diff options
Diffstat (limited to 'arch')
488 files changed, 7993 insertions, 4012 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 129df498a8e1..98db63496bab 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -1282,6 +1282,9 @@ config ARCH_SPLIT_ARG64 config ARCH_HAS_ELFCORE_COMPAT bool +config ARCH_HAS_PARANOID_L1D_FLUSH + bool + source "kernel/gcov/Kconfig" source "scripts/gcc-plugins/Kconfig" diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 77d3280dc678..6c50877841df 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -14,7 +14,6 @@ config ALPHA select PCI_SYSCALL if PCI select HAVE_AOUT select HAVE_ASM_MODVERSIONS - select HAVE_IDE select HAVE_PCSPKR_PLATFORM select HAVE_PERF_EVENTS select NEED_DMA_MAP_STATE @@ -532,7 +531,7 @@ config SMP will run faster if you say N here. See also the SMP-HOWTO available at - <http://www.tldp.org/docs.html#howto>. + <https://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. diff --git a/arch/alpha/boot/bootp.c b/arch/alpha/boot/bootp.c index 00266e6e1b71..b4faba2432d5 100644 --- a/arch/alpha/boot/bootp.c +++ b/arch/alpha/boot/bootp.c @@ -23,7 +23,7 @@ #include "ksize.h" extern unsigned long switch_to_osf_pal(unsigned long nr, - struct pcb_struct * pcb_va, struct pcb_struct * pcb_pa, + struct pcb_struct *pcb_va, struct pcb_struct *pcb_pa, unsigned long *vptb); extern void move_stack(unsigned long new_stack); diff --git a/arch/alpha/boot/bootpz.c b/arch/alpha/boot/bootpz.c index 43af71835adf..90a2b341e9c0 100644 --- a/arch/alpha/boot/bootpz.c +++ b/arch/alpha/boot/bootpz.c @@ -200,7 +200,7 @@ extern char _end; START_ADDR KSEG address of the entry point of kernel code. ZERO_PGE KSEG address of page full of zeroes, but - upon entry to kerne cvan be expected + upon entry to kernel, it can be expected to hold the parameter list and possible INTRD information. diff --git a/arch/alpha/boot/misc.c b/arch/alpha/boot/misc.c index d65192202703..325d4dd4f904 100644 --- a/arch/alpha/boot/misc.c +++ b/arch/alpha/boot/misc.c @@ -30,7 +30,7 @@ extern long srm_printk(const char *, ...) __attribute__ ((format (printf, 1, 2))); /* - * gzip delarations + * gzip declarations */ #define OF(args) args #define STATIC static diff --git a/arch/alpha/configs/defconfig b/arch/alpha/configs/defconfig index dd2dd9f0861f..7f1ca30b115b 100644 --- a/arch/alpha/configs/defconfig +++ b/arch/alpha/configs/defconfig @@ -70,3 +70,4 @@ CONFIG_DEBUG_INFO=y CONFIG_ALPHA_LEGACY_START_ADDRESS=y CONFIG_MATHEMU=y CONFIG_CRYPTO_HMAC=y +CONFIG_DEVTMPFS=y diff --git a/arch/alpha/include/asm/compiler.h b/arch/alpha/include/asm/compiler.h index 5159ba259d65..ae645959018a 100644 --- a/arch/alpha/include/asm/compiler.h +++ b/arch/alpha/include/asm/compiler.h @@ -4,15 +4,4 @@ #include <uapi/asm/compiler.h> -/* Some idiots over in <linux/compiler.h> thought inline should imply - always_inline. This breaks stuff. We'll include this file whenever - we run into such problems. */ - -#include <linux/compiler.h> -#undef inline -#undef __inline__ -#undef __inline -#undef __always_inline -#define __always_inline inline __attribute__((always_inline)) - #endif /* __ALPHA_COMPILER_H */ diff --git a/arch/alpha/include/asm/syscall.h b/arch/alpha/include/asm/syscall.h index 11c688c1d7ec..f21babaeed85 100644 --- a/arch/alpha/include/asm/syscall.h +++ b/arch/alpha/include/asm/syscall.h @@ -9,4 +9,10 @@ static inline int syscall_get_arch(struct task_struct *task) return AUDIT_ARCH_ALPHA; } +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->r0; +} + #endif /* _ASM_ALPHA_SYSCALL_H */ diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h index 6b3daba60987..1dd9baf4a6c2 100644 --- a/arch/alpha/include/uapi/asm/socket.h +++ b/arch/alpha/include/uapi/asm/socket.h @@ -129,6 +129,8 @@ #define SO_NETNS_COOKIE 71 +#define SO_BUF_LOCK 72 + #if !defined(__KERNEL__) #if __BITS_PER_LONG == 64 diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index bbdb1a9a5fd8..8bbeebb73cf0 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -834,7 +834,7 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, return -EFAULT; state = ¤t_thread_info()->ieee_state; - /* Update softare trap enable bits. */ + /* Update software trap enable bits. */ *state = (*state & ~IEEE_SW_MASK) | (swcr & IEEE_SW_MASK); /* Update the real fpcr. */ @@ -854,7 +854,7 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, state = ¤t_thread_info()->ieee_state; exc &= IEEE_STATUS_MASK; - /* Update softare trap enable bits. */ + /* Update software trap enable bits. */ swcr = (*state & IEEE_SW_MASK) | exc; *state |= exc; diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c index e7a59d927d78..efcf7321701b 100644 --- a/arch/alpha/kernel/perf_event.c +++ b/arch/alpha/kernel/perf_event.c @@ -574,7 +574,7 @@ static void alpha_pmu_start(struct perf_event *event, int flags) * Check that CPU performance counters are supported. * - currently support EV67 and later CPUs. * - actually some later revisions of the EV6 have the same PMC model as the - * EV67 but we don't do suffiently deep CPU detection to detect them. + * EV67 but we don't do sufficiently deep CPU detection to detect them. * Bad luck to the very few people who might have one, I guess. */ static int supported_cpu(void) diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index ef0c08ed0481..a5123ea426ce 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -256,7 +256,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, childstack->r26 = (unsigned long) ret_from_kernel_thread; childstack->r9 = usp; /* function */ childstack->r10 = kthread_arg; - childregs->hae = alpha_mv.hae_cache, + childregs->hae = alpha_mv.hae_cache; childti->pcb.usp = 0; return 0; } diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index 7d56c217b235..b4fbbba30aa2 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -319,18 +319,19 @@ setup_memory(void *kernel_end) i, cluster->usage, cluster->start_pfn, cluster->start_pfn + cluster->numpages); - /* Bit 0 is console/PALcode reserved. Bit 1 is - non-volatile memory -- we might want to mark - this for later. */ - if (cluster->usage & 3) - continue; - end = cluster->start_pfn + cluster->numpages; if (end > max_low_pfn) max_low_pfn = end; memblock_add(PFN_PHYS(cluster->start_pfn), cluster->numpages << PAGE_SHIFT); + + /* Bit 0 is console/PALcode reserved. Bit 1 is + non-volatile memory -- we might want to mark + this for later. */ + if (cluster->usage & 3) + memblock_reserve(PFN_PHYS(cluster->start_pfn), + cluster->numpages << PAGE_SHIFT); } /* diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 4b2575f936d4..cb64e4797d2a 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -582,7 +582,7 @@ void smp_send_stop(void) { cpumask_t to_whom; - cpumask_copy(&to_whom, cpu_possible_mask); + cpumask_copy(&to_whom, cpu_online_mask); cpumask_clear_cpu(smp_processor_id(), &to_whom); #ifdef DEBUG_IPI_MSG if (hard_smp_processor_id() != boot_cpu_id) diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c index fc03471a0b0f..90635ef5dafa 100644 --- a/arch/alpha/kernel/srmcons.c +++ b/arch/alpha/kernel/srmcons.c @@ -204,9 +204,9 @@ srmcons_init(void) struct tty_driver *driver; int err; - driver = alloc_tty_driver(MAX_SRM_CONSOLE_DEVICES); - if (!driver) - return -ENOMEM; + driver = tty_alloc_driver(MAX_SRM_CONSOLE_DEVICES, 0); + if (IS_ERR(driver)) + return PTR_ERR(driver); tty_port_init(&srmcons_singleton.port); @@ -221,7 +221,7 @@ srmcons_init(void) tty_port_link_device(&srmcons_singleton.port, driver, 0); err = tty_register_driver(driver); if (err) { - put_tty_driver(driver); + tty_driver_kref_put(driver); tty_port_destroy(&srmcons_singleton.port); return err; } diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c index 53adf43dcd44..96fd6ff3fe81 100644 --- a/arch/alpha/kernel/sys_nautilus.c +++ b/arch/alpha/kernel/sys_nautilus.c @@ -212,7 +212,7 @@ nautilus_init_pci(void) /* Use default IO. */ pci_add_resource(&bridge->windows, &ioport_resource); - /* Irongate PCI memory aperture, calculate requred size before + /* Irongate PCI memory aperture, calculate required size before setting it up. */ pci_add_resource(&bridge->windows, &irongate_mem); diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index e9e3de18793b..e805106409f7 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -730,7 +730,7 @@ do_entUnaUser(void __user * va, unsigned long opcode, long error; /* Check the UAC bits to decide what the user wants us to do - with the unaliged access. */ + with the unaligned access. */ if (!(current_thread_info()->status & TS_UAC_NOPRINT)) { if (__ratelimit(&ratelimit)) { diff --git a/arch/alpha/math-emu/math.c b/arch/alpha/math-emu/math.c index d568cd9a3e43..f7cef66af88d 100644 --- a/arch/alpha/math-emu/math.c +++ b/arch/alpha/math-emu/math.c @@ -65,7 +65,7 @@ static long (*save_emul) (unsigned long pc); long do_alpha_fp_emul_imprecise(struct pt_regs *, unsigned long); long do_alpha_fp_emul(unsigned long); -int init_module(void) +static int alpha_fp_emul_init_module(void) { save_emul_imprecise = alpha_fp_emul_imprecise; save_emul = alpha_fp_emul; @@ -73,12 +73,14 @@ int init_module(void) alpha_fp_emul = do_alpha_fp_emul; return 0; } +module_init(alpha_fp_emul_init_module); -void cleanup_module(void) +static void alpha_fp_emul_cleanup_module(void) { alpha_fp_emul_imprecise = save_emul_imprecise; alpha_fp_emul = save_emul; } +module_exit(alpha_fp_emul_cleanup_module); #undef alpha_fp_emul_imprecise #define alpha_fp_emul_imprecise do_alpha_fp_emul_imprecise @@ -401,3 +403,5 @@ alpha_fp_emul_imprecise (struct pt_regs *regs, unsigned long write_mask) egress: return si_code; } + +EXPORT_SYMBOL(__udiv_qrnnd); diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index d8f51eb8963b..b5bf68e74732 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -409,7 +409,7 @@ choice help Depending on the configuration, CPU can contain DSP registers (ACC0_GLO, ACC0_GHI, DSP_BFLY0, DSP_CTRL, DSP_FFT_CTRL). - Bellow is options describing how to handle these registers in + Below are options describing how to handle these registers in interrupt entry / exit and in context switch. config ARC_DSP_NONE diff --git a/arch/arc/include/asm/checksum.h b/arch/arc/include/asm/checksum.h index 69debd77cd04..0b485800a392 100644 --- a/arch/arc/include/asm/checksum.h +++ b/arch/arc/include/asm/checksum.h @@ -24,7 +24,7 @@ */ static inline __sum16 csum_fold(__wsum s) { - unsigned r = s << 16 | s >> 16; /* ror */ + unsigned int r = s << 16 | s >> 16; /* ror */ s = ~s; s -= r; return s >> 16; diff --git a/arch/arc/include/asm/perf_event.h b/arch/arc/include/asm/perf_event.h index 30b9ae511ea9..e1971d34ef30 100644 --- a/arch/arc/include/asm/perf_event.h +++ b/arch/arc/include/asm/perf_event.h @@ -123,7 +123,7 @@ static const char * const arc_pmu_ev_hw_map[] = { #define C(_x) PERF_COUNT_HW_CACHE_##_x #define CACHE_OP_UNSUPPORTED 0xffff -static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { +static const unsigned int arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(L1D)] = { [C(OP_READ)] = { [C(RESULT_ACCESS)] = PERF_COUNT_ARC_LDC, diff --git a/arch/arc/kernel/fpu.c b/arch/arc/kernel/fpu.c index c67c0f0f5f77..ec640219d989 100644 --- a/arch/arc/kernel/fpu.c +++ b/arch/arc/kernel/fpu.c @@ -57,23 +57,26 @@ void fpu_save_restore(struct task_struct *prev, struct task_struct *next) void fpu_init_task(struct pt_regs *regs) { + const unsigned int fwe = 0x80000000; + /* default rounding mode */ write_aux_reg(ARC_REG_FPU_CTRL, 0x100); - /* set "Write enable" to allow explicit write to exception flags */ - write_aux_reg(ARC_REG_FPU_STATUS, 0x80000000); + /* Initialize to zero: setting requires FWE be set */ + write_aux_reg(ARC_REG_FPU_STATUS, fwe); } void fpu_save_restore(struct task_struct *prev, struct task_struct *next) { struct arc_fpu *save = &prev->thread.fpu; struct arc_fpu *restore = &next->thread.fpu; + const unsigned int fwe = 0x80000000; save->ctrl = read_aux_reg(ARC_REG_FPU_CTRL); save->status = read_aux_reg(ARC_REG_FPU_STATUS); write_aux_reg(ARC_REG_FPU_CTRL, restore->ctrl); - write_aux_reg(ARC_REG_FPU_STATUS, restore->status); + write_aux_reg(ARC_REG_FPU_STATUS, (fwe | restore->status)); } #endif diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index abf9398cc333..f9fdb557c263 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -352,7 +352,7 @@ static void idu_cascade_isr(struct irq_desc *desc) irq_hw_number_t idu_hwirq = core_hwirq - FIRST_EXT_IRQ; chained_irq_enter(core_chip, desc); - generic_handle_irq(irq_find_mapping(idu_domain, idu_hwirq)); + generic_handle_domain_irq(idu_domain, idu_hwirq); chained_irq_exit(core_chip, desc); } diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c index 47bab67f8649..9e28058cdba8 100644 --- a/arch/arc/kernel/unwind.c +++ b/arch/arc/kernel/unwind.c @@ -260,7 +260,7 @@ static void init_unwind_hdr(struct unwind_table *table, { const u8 *ptr; unsigned long tableSize = table->size, hdrSize; - unsigned n; + unsigned int n; const u32 *fde; struct { u8 version; @@ -462,7 +462,7 @@ static uleb128_t get_uleb128(const u8 **pcur, const u8 *end) { const u8 *cur = *pcur; uleb128_t value; - unsigned shift; + unsigned int shift; for (shift = 0, value = 0; cur < end; shift += 7) { if (shift + 7 > 8 * sizeof(value) @@ -483,7 +483,7 @@ static sleb128_t get_sleb128(const u8 **pcur, const u8 *end) { const u8 *cur = *pcur; sleb128_t value; - unsigned shift; + unsigned int shift; for (shift = 0, value = 0; cur < end; shift += 7) { if (shift + 7 > 8 * sizeof(value) @@ -609,7 +609,7 @@ static unsigned long read_pointer(const u8 **pLoc, const void *end, static signed fde_pointer_type(const u32 *cie) { const u8 *ptr = (const u8 *)(cie + 2); - unsigned version = *ptr; + unsigned int version = *ptr; if (*++ptr) { const char *aug; @@ -904,7 +904,7 @@ int arc_unwind(struct unwind_frame_info *frame) const u8 *ptr = NULL, *end = NULL; unsigned long pc = UNW_PC(frame) - frame->call_frame; unsigned long startLoc = 0, endLoc = 0, cfa; - unsigned i; + unsigned int i; signed ptrType = -1; uleb128_t retAddrReg = 0; const struct unwind_table *table; diff --git a/arch/arc/kernel/vmlinux.lds.S b/arch/arc/kernel/vmlinux.lds.S index e2146a8da195..529ae50f9fe2 100644 --- a/arch/arc/kernel/vmlinux.lds.S +++ b/arch/arc/kernel/vmlinux.lds.S @@ -88,6 +88,8 @@ SECTIONS CPUIDLE_TEXT LOCK_TEXT KPROBES_TEXT + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT *(.fixup) *(.gnu.warning) } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3ea1c417339f..2fb7012c3246 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -95,7 +95,6 @@ config ARM select HAVE_FUNCTION_TRACER if !XIP_KERNEL select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) - select HAVE_IDE if PCI || ISA || PCMCIA select HAVE_IRQ_TIME_ACCOUNTING select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZ4 @@ -361,7 +360,6 @@ config ARCH_FOOTBRIDGE bool "FootBridge" select CPU_SA110 select FOOTBRIDGE - select HAVE_IDE select NEED_MACH_IO_H if !MMU select NEED_MACH_MEMORY_H help @@ -395,7 +393,7 @@ config ARCH_IXP4XX select IXP4XX_IRQ select IXP4XX_TIMER # With the new PCI driver this is not needed - select NEED_MACH_IO_H if PCI_IXP4XX_LEGACY + select NEED_MACH_IO_H if IXP4XX_PCI_LEGACY select USB_EHCI_BIG_ENDIAN_DESC select USB_EHCI_BIG_ENDIAN_MMIO help @@ -430,7 +428,6 @@ config ARCH_PXA select GENERIC_IRQ_MULTI_HANDLER select GPIO_PXA select GPIOLIB - select HAVE_IDE select IRQ_DOMAIN select PLAT_PXA select SPARSE_IRQ @@ -446,7 +443,6 @@ config ARCH_RPC select ARM_HAS_SG_CHAIN select CPU_SA110 select FIQ - select HAVE_IDE select HAVE_PATA_PLATFORM select ISA_DMA_API select LEGACY_TIMER_TICK @@ -469,7 +465,6 @@ config ARCH_SA1100 select CPU_SA1100 select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB - select HAVE_IDE select IRQ_DOMAIN select ISA select NEED_MACH_MEMORY_H @@ -505,7 +500,6 @@ config ARCH_OMAP1 select GENERIC_IRQ_CHIP select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB - select HAVE_IDE select HAVE_LEGACY_CLK select IRQ_DOMAIN select NEED_MACH_IO_H if PCCARD diff --git a/arch/arm/boot/dts/am437x-l4.dtsi b/arch/arm/boot/dts/am437x-l4.dtsi index 40ef3973f2a9..ba58e6b0da1d 100644 --- a/arch/arm/boot/dts/am437x-l4.dtsi +++ b/arch/arm/boot/dts/am437x-l4.dtsi @@ -1595,7 +1595,7 @@ compatible = "ti,am4372-d_can", "ti,am3352-d_can"; reg = <0x0 0x2000>; clocks = <&dcan1_fck>; - clock-name = "fck"; + clock-names = "fck"; syscon-raminit = <&scm_conf 0x644 1>; interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index aae0af10a5b1..2aa75abf85a9 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -582,7 +582,7 @@ status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins>; - clock-frequency = <400000>; + clock-frequency = <100000>; tps65218: tps65218@24 { reg = <0x24>; diff --git a/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts index 33e413ca07e4..9b4cf5ebe6d5 100644 --- a/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts +++ b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts @@ -4,6 +4,7 @@ #include "aspeed-g5.dtsi" #include <dt-bindings/gpio/aspeed-gpio.h> #include <dt-bindings/i2c/i2c.h> +#include <dt-bindings/interrupt-controller/irq.h> /{ model = "ASRock E3C246D4I BMC"; @@ -73,7 +74,8 @@ &vuart { status = "okay"; - aspeed,sirq-active-high; + aspeed,lpc-io-reg = <0x2f8>; + aspeed,lpc-interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; }; &mac0 { diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts index d26a9e16ff7c..aa24cac8e5be 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts @@ -406,14 +406,14 @@ reg = <0x69>; }; - power-supply@6a { + power-supply@6b { compatible = "ibm,cffps"; - reg = <0x6a>; + reg = <0x6b>; }; - power-supply@6b { + power-supply@6d { compatible = "ibm,cffps"; - reg = <0x6b>; + reg = <0x6d>; }; }; @@ -2832,6 +2832,7 @@ &emmc { status = "okay"; + clk-phase-mmc-hs200 = <180>, <180>; }; &fsim0 { diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts index 941c0489479a..481d0ee1f85f 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts @@ -280,10 +280,7 @@ /*W0-W7*/ "","","","","","","","", /*X0-X7*/ "","","","","","","","", /*Y0-Y7*/ "","","","","","","","", - /*Z0-Z7*/ "","","","","","","","", - /*AA0-AA7*/ "","","","","","","","", - /*AB0-AB7*/ "","","","","","","","", - /*AC0-AC7*/ "","","","","","","",""; + /*Z0-Z7*/ "","","","","","","",""; pin_mclr_vpp { gpio-hog; diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts index e863ec088970..e33153dcaea8 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts @@ -136,10 +136,7 @@ /*W0-W7*/ "","","","","","","","", /*X0-X7*/ "","","","","","","","", /*Y0-Y7*/ "","","","","","","","", - /*Z0-Z7*/ "","","","","","","","", - /*AA0-AA7*/ "","","","","","","","", - /*AB0-AB7*/ "","","","","","","","", - /*AC0-AC7*/ "","","","","","","",""; + /*Z0-Z7*/ "","","","","","","",""; }; &fmc { @@ -189,6 +186,7 @@ &emmc { status = "okay"; + clk-phase-mmc-hs200 = <36>, <270>; }; &fsim0 { diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi index 98ccc81ca6d9..8e41c8b7bd70 100644 --- a/arch/arm/boot/dts/imx35.dtsi +++ b/arch/arm/boot/dts/imx35.dtsi @@ -189,7 +189,7 @@ status = "disabled"; }; - fec: fec@50038000 { + fec: ethernet@50038000 { compatible = "fsl,imx35-fec", "fsl,imx27-fec"; reg = <0x50038000 0x4000>; clocks = <&clks 46>, <&clks 8>; diff --git a/arch/arm/boot/dts/imx53-m53menlo.dts b/arch/arm/boot/dts/imx53-m53menlo.dts index f98691ae4415..d3082b9774e4 100644 --- a/arch/arm/boot/dts/imx53-m53menlo.dts +++ b/arch/arm/boot/dts/imx53-m53menlo.dts @@ -388,13 +388,13 @@ pinctrl_power_button: powerbutgrp { fsl,pins = < - MX53_PAD_SD2_DATA2__GPIO1_13 0x1e4 + MX53_PAD_SD2_DATA0__GPIO1_15 0x1e4 >; }; pinctrl_power_out: poweroutgrp { fsl,pins = < - MX53_PAD_SD2_DATA0__GPIO1_15 0x1e4 + MX53_PAD_SD2_DATA2__GPIO1_13 0x1e4 >; }; diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts index 5a5fa6190a52..37d0cffea99c 100644 --- a/arch/arm/boot/dts/imx53-ppd.dts +++ b/arch/arm/boot/dts/imx53-ppd.dts @@ -70,6 +70,12 @@ clock-frequency = <11289600>; }; + achc_24M: achc-clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; + }; + sgtlsound: sound { compatible = "fsl,imx53-cpuvo-sgtl5000", "fsl,imx-audio-sgtl5000"; @@ -314,16 +320,13 @@ &gpio4 12 GPIO_ACTIVE_LOW>; status = "okay"; - spidev0: spi@0 { - compatible = "ge,achc"; - reg = <0>; - spi-max-frequency = <1000000>; - }; - - spidev1: spi@1 { - compatible = "ge,achc"; - reg = <1>; - spi-max-frequency = <1000000>; + spidev0: spi@1 { + compatible = "ge,achc", "nxp,kinetis-k20"; + reg = <1>, <0>; + vdd-supply = <®_3v3>; + vdda-supply = <®_3v3>; + clocks = <&achc_24M>; + reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>; }; gpioxra0: gpio@2 { diff --git a/arch/arm/boot/dts/imx6q-novena.dts b/arch/arm/boot/dts/imx6q-novena.dts index 52e3567d1859..225cf6b7a7a4 100644 --- a/arch/arm/boot/dts/imx6q-novena.dts +++ b/arch/arm/boot/dts/imx6q-novena.dts @@ -222,20 +222,30 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet_novena>; phy-mode = "rgmii"; + phy-handle = <ðphy>; phy-reset-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>; - rxc-skew-ps = <3000>; - rxdv-skew-ps = <0>; - txc-skew-ps = <3000>; - txen-skew-ps = <0>; - rxd0-skew-ps = <0>; - rxd1-skew-ps = <0>; - rxd2-skew-ps = <0>; - rxd3-skew-ps = <0>; - txd0-skew-ps = <3000>; - txd1-skew-ps = <3000>; - txd2-skew-ps = <3000>; - txd3-skew-ps = <3000>; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy { + compatible = "ethernet-phy-ieee802.3-c22"; + rxc-skew-ps = <3000>; + rxdv-skew-ps = <0>; + txc-skew-ps = <3000>; + txen-skew-ps = <0>; + rxd0-skew-ps = <0>; + rxd1-skew-ps = <0>; + rxd2-skew-ps = <0>; + rxd3-skew-ps = <0>; + txd0-skew-ps = <3000>; + txd1-skew-ps = <3000>; + txd2-skew-ps = <3000>; + txd3-skew-ps = <3000>; + }; + }; }; &hdmi { diff --git a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi index ead7ba27e105..563bf9d44fe0 100644 --- a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi @@ -316,12 +316,22 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; phy-mode = "rgmii"; + phy-handle = <ðphy>; phy-reset-gpios = <&gpio7 18 GPIO_ACTIVE_LOW>; - txd0-skew-ps = <0>; - txd1-skew-ps = <0>; - txd2-skew-ps = <0>; - txd3-skew-ps = <0>; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy { + compatible = "ethernet-phy-ieee802.3-c22"; + txd0-skew-ps = <0>; + txd1-skew-ps = <0>; + txd2-skew-ps = <0>; + txd3-skew-ps = <0>; + }; + }; }; &gpmi { diff --git a/arch/arm/boot/dts/imx6qdl-nit6xlite.dtsi b/arch/arm/boot/dts/imx6qdl-nit6xlite.dtsi index d526f01a2c52..ac34709e9741 100644 --- a/arch/arm/boot/dts/imx6qdl-nit6xlite.dtsi +++ b/arch/arm/boot/dts/imx6qdl-nit6xlite.dtsi @@ -190,23 +190,33 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; phy-mode = "rgmii"; + phy-handle = <ðphy>; phy-reset-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; - txen-skew-ps = <0>; - txc-skew-ps = <3000>; - rxdv-skew-ps = <0>; - rxc-skew-ps = <3000>; - rxd0-skew-ps = <0>; - rxd1-skew-ps = <0>; - rxd2-skew-ps = <0>; - rxd3-skew-ps = <0>; - txd0-skew-ps = <0>; - txd1-skew-ps = <0>; - txd2-skew-ps = <0>; - txd3-skew-ps = <0>; interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>, <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>; fsl,err006687-workaround-present; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy { + compatible = "ethernet-phy-ieee802.3-c22"; + txen-skew-ps = <0>; + txc-skew-ps = <3000>; + rxdv-skew-ps = <0>; + rxc-skew-ps = <3000>; + rxd0-skew-ps = <0>; + rxd1-skew-ps = <0>; + rxd2-skew-ps = <0>; + rxd3-skew-ps = <0>; + txd0-skew-ps = <0>; + txd1-skew-ps = <0>; + txd2-skew-ps = <0>; + txd3-skew-ps = <0>; + }; + }; }; &hdmi { diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi index a0917823c244..c96f4d7e1e0d 100644 --- a/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi +++ b/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi @@ -332,23 +332,33 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; phy-mode = "rgmii"; + phy-handle = <ðphy>; phy-reset-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; - txen-skew-ps = <0>; - txc-skew-ps = <3000>; - rxdv-skew-ps = <0>; - rxc-skew-ps = <3000>; - rxd0-skew-ps = <0>; - rxd1-skew-ps = <0>; - rxd2-skew-ps = <0>; - rxd3-skew-ps = <0>; - txd0-skew-ps = <0>; - txd1-skew-ps = <0>; - txd2-skew-ps = <0>; - txd3-skew-ps = <0>; interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>, <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>; fsl,err006687-workaround-present; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy { + compatible = "ethernet-phy-ieee802.3-c22"; + txen-skew-ps = <0>; + txc-skew-ps = <3000>; + rxdv-skew-ps = <0>; + rxc-skew-ps = <3000>; + rxd0-skew-ps = <0>; + rxd1-skew-ps = <0>; + rxd2-skew-ps = <0>; + rxd3-skew-ps = <0>; + txd0-skew-ps = <0>; + txd1-skew-ps = <0>; + txd2-skew-ps = <0>; + txd3-skew-ps = <0>; + }; + }; }; &hdmi { diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi index 1243677b5f97..49da30d7510c 100644 --- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi @@ -265,23 +265,33 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; phy-mode = "rgmii"; + phy-handle = <ðphy>; phy-reset-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; - txen-skew-ps = <0>; - txc-skew-ps = <3000>; - rxdv-skew-ps = <0>; - rxc-skew-ps = <3000>; - rxd0-skew-ps = <0>; - rxd1-skew-ps = <0>; - rxd2-skew-ps = <0>; - rxd3-skew-ps = <0>; - txd0-skew-ps = <0>; - txd1-skew-ps = <0>; - txd2-skew-ps = <0>; - txd3-skew-ps = <0>; interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>, <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>; fsl,err006687-workaround-present; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy { + compatible = "ethernet-phy-ieee802.3-c22"; + txen-skew-ps = <0>; + txc-skew-ps = <3000>; + rxdv-skew-ps = <0>; + rxc-skew-ps = <3000>; + rxd0-skew-ps = <0>; + rxd1-skew-ps = <0>; + rxd2-skew-ps = <0>; + rxd3-skew-ps = <0>; + txd0-skew-ps = <0>; + txd1-skew-ps = <0>; + txd2-skew-ps = <0>; + txd3-skew-ps = <0>; + }; + }; }; &hdmi { diff --git a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi index fdc3aa9d544d..eb9a0b104f1c 100644 --- a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi @@ -324,20 +324,30 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; phy-mode = "rgmii"; + phy-handle = <ðphy>; phy-reset-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>; - txen-skew-ps = <0>; - txc-skew-ps = <3000>; - rxdv-skew-ps = <0>; - rxc-skew-ps = <3000>; - rxd0-skew-ps = <0>; - rxd1-skew-ps = <0>; - rxd2-skew-ps = <0>; - rxd3-skew-ps = <0>; - txd0-skew-ps = <0>; - txd1-skew-ps = <0>; - txd2-skew-ps = <0>; - txd3-skew-ps = <0>; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy { + compatible = "ethernet-phy-ieee802.3-c22"; + txen-skew-ps = <0>; + txc-skew-ps = <3000>; + rxdv-skew-ps = <0>; + rxc-skew-ps = <3000>; + rxd0-skew-ps = <0>; + rxd1-skew-ps = <0>; + rxd2-skew-ps = <0>; + rxd3-skew-ps = <0>; + txd0-skew-ps = <0>; + txd1-skew-ps = <0>; + txd2-skew-ps = <0>; + txd3-skew-ps = <0>; + }; + }; }; &hdmi { diff --git a/arch/arm/boot/dts/imx6qdl-sr-som.dtsi b/arch/arm/boot/dts/imx6qdl-sr-som.dtsi index 0ad8ccde0cf8..f86efd0ccc40 100644 --- a/arch/arm/boot/dts/imx6qdl-sr-som.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sr-som.dtsi @@ -54,7 +54,13 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_microsom_enet_ar8035>; phy-mode = "rgmii-id"; - phy-reset-duration = <2>; + + /* + * The PHY seems to require a long-enough reset duration to avoid + * some rare issues where the PHY gets stuck in an inconsistent and + * non-functional state at boot-up. 10ms proved to be fine . + */ + phy-reset-duration = <10>; phy-reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi index a0545431b3dc..9f1e38282bee 100644 --- a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi +++ b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi @@ -43,6 +43,7 @@ assigned-clock-rates = <0>, <198000000>; cap-power-off-card; keep-power-in-suspend; + max-frequency = <25000000>; mmc-pwrseq = <&wifi_pwrseq>; no-1-8-v; non-removable; diff --git a/arch/arm/boot/dts/imx7-mba7.dtsi b/arch/arm/boot/dts/imx7-mba7.dtsi index c6d1c63f7905..5e6bef230dc7 100644 --- a/arch/arm/boot/dts/imx7-mba7.dtsi +++ b/arch/arm/boot/dts/imx7-mba7.dtsi @@ -216,7 +216,6 @@ phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>; phy-reset-duration = <1>; - phy-reset-delay = <1>; phy-supply = <®_fec1_pwdn>; phy-handle = <ðphy1_0>; fsl,magic-packet; diff --git a/arch/arm/boot/dts/imx7d-mba7.dts b/arch/arm/boot/dts/imx7d-mba7.dts index 23856a8d4b8c..36ef6a3cdb0b 100644 --- a/arch/arm/boot/dts/imx7d-mba7.dts +++ b/arch/arm/boot/dts/imx7d-mba7.dts @@ -23,7 +23,6 @@ phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>; phy-reset-duration = <1>; - phy-reset-delay = <1>; phy-supply = <®_fec2_pwdn>; phy-handle = <ðphy2_0>; fsl,magic-packet; diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi index 45435bb88c89..373984c130e0 100644 --- a/arch/arm/boot/dts/omap5-board-common.dtsi +++ b/arch/arm/boot/dts/omap5-board-common.dtsi @@ -30,14 +30,6 @@ regulator-max-microvolt = <5000000>; }; - vdds_1v8_main: fixedregulator-vdds_1v8_main { - compatible = "regulator-fixed"; - regulator-name = "vdds_1v8_main"; - vin-supply = <&smps7_reg>; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; - }; - vmmcsd_fixed: fixedregulator-mmcsd { compatible = "regulator-fixed"; regulator-name = "vmmcsd_fixed"; @@ -487,6 +479,7 @@ regulator-boot-on; }; + vdds_1v8_main: smps7_reg: smps7 { /* VDDS_1v8_OMAP over VDDS_1v8_MAIN */ regulator-name = "smps7"; diff --git a/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts index dace8ffeb991..0a4ffd10c484 100644 --- a/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts +++ b/arch/arm/boot/dts/qcom-apq8060-dragonboard.dts @@ -581,7 +581,7 @@ * EBI2. This has a 25MHz chrystal next to it, so no * clocking is needed. */ - ethernet-ebi2@2,0 { + ethernet@2,0 { compatible = "smsc,lan9221", "smsc,lan9115"; reg = <2 0x0 0x100>; /* @@ -598,8 +598,6 @@ phy-mode = "mii"; reg-io-width = <2>; smsc,force-external-phy; - /* IRQ on edge falling = active low */ - smsc,irq-active-low; smsc,irq-push-pull; /* diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi index c9b906432341..1815361fe73c 100644 --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi @@ -755,14 +755,14 @@ status = "disabled"; }; - vica: intc@10140000 { + vica: interrupt-controller@10140000 { compatible = "arm,versatile-vic"; interrupt-controller; #interrupt-cells = <1>; reg = <0x10140000 0x20>; }; - vicb: intc@10140020 { + vicb: interrupt-controller@10140020 { compatible = "arm,versatile-vic"; interrupt-controller; #interrupt-cells = <1>; diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi index c5ea08fec535..6cf1c8b4c6e2 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi @@ -37,7 +37,7 @@ poll-interval = <20>; /* - * The EXTi IRQ line 3 is shared with touchscreen and ethernet, + * The EXTi IRQ line 3 is shared with ethernet, * so mark this as polled GPIO key. */ button-0 { @@ -47,6 +47,16 @@ }; /* + * The EXTi IRQ line 6 is shared with touchscreen, + * so mark this as polled GPIO key. + */ + button-1 { + label = "TA2-GPIO-B"; + linux,code = <KEY_B>; + gpios = <&gpiod 6 GPIO_ACTIVE_LOW>; + }; + + /* * The EXTi IRQ line 0 is shared with PMIC, * so mark this as polled GPIO key. */ @@ -60,13 +70,6 @@ gpio-keys { compatible = "gpio-keys"; - button-1 { - label = "TA2-GPIO-B"; - linux,code = <KEY_B>; - gpios = <&gpiod 6 GPIO_ACTIVE_LOW>; - wakeup-source; - }; - button-3 { label = "TA4-GPIO-D"; linux,code = <KEY_D>; @@ -82,6 +85,7 @@ label = "green:led5"; gpios = <&gpioc 6 GPIO_ACTIVE_HIGH>; default-state = "off"; + status = "disabled"; }; led-1 { @@ -185,8 +189,8 @@ touchscreen@38 { compatible = "edt,edt-ft5406"; reg = <0x38>; - interrupt-parent = <&gpiog>; - interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO E */ + interrupt-parent = <&gpioc>; + interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* GPIO E */ }; }; diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi index 2af0a6752674..8c41f819f776 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi @@ -12,6 +12,8 @@ aliases { ethernet0 = ðernet0; ethernet1 = &ksz8851; + rtc0 = &hwrtc; + rtc1 = &rtc; }; memory@c0000000 { @@ -138,6 +140,7 @@ reset-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>; reset-assert-us = <500>; reset-deassert-us = <500>; + smsc,disable-energy-detect; interrupt-parent = <&gpioi>; interrupts = <11 IRQ_TYPE_LEVEL_LOW>; }; @@ -248,7 +251,7 @@ /delete-property/dmas; /delete-property/dma-names; - rtc@32 { + hwrtc: rtc@32 { compatible = "microcrystal,rv8803"; reg = <0x32>; }; diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts index 37bd41ff8dff..151c0220047d 100644 --- a/arch/arm/boot/dts/versatile-ab.dts +++ b/arch/arm/boot/dts/versatile-ab.dts @@ -195,16 +195,15 @@ #size-cells = <1>; ranges; - vic: intc@10140000 { + vic: interrupt-controller@10140000 { compatible = "arm,versatile-vic"; interrupt-controller; #interrupt-cells = <1>; reg = <0x10140000 0x1000>; - clear-mask = <0xffffffff>; valid-mask = <0xffffffff>; }; - sic: intc@10003000 { + sic: interrupt-controller@10003000 { compatible = "arm,versatile-sic"; interrupt-controller; #interrupt-cells = <1>; diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts index 06a0fdf24026..e7e751a858d8 100644 --- a/arch/arm/boot/dts/versatile-pb.dts +++ b/arch/arm/boot/dts/versatile-pb.dts @@ -7,7 +7,7 @@ amba { /* The Versatile PB is using more SIC IRQ lines than the AB */ - sic: intc@10003000 { + sic: interrupt-controller@10003000 { clear-mask = <0xffffffff>; /* * Valid interrupt lines mask according to diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index e45f4e4e06b6..24d21ba63030 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -834,14 +834,13 @@ static int locomo_bus_probe(struct device *dev) return ret; } -static int locomo_bus_remove(struct device *dev) +static void locomo_bus_remove(struct device *dev) { struct locomo_dev *ldev = LOCOMO_DEV(dev); struct locomo_driver *drv = LOCOMO_DRV(dev->driver); if (drv->remove) drv->remove(ldev); - return 0; } struct bus_type locomo_bus_type = { diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index ff5e0d04cb89..5367f03beb46 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -196,14 +196,6 @@ static int sa1111_map_irq(struct sa1111 *sachip, irq_hw_number_t hwirq) return irq_create_mapping(sachip->irqdomain, hwirq); } -static void sa1111_handle_irqdomain(struct irq_domain *irqdomain, int irq) -{ - struct irq_desc *d = irq_to_desc(irq_linear_revmap(irqdomain, irq)); - - if (d) - generic_handle_irq_desc(d); -} - /* * SA1111 interrupt support. Since clearing an IRQ while there are * active IRQs causes the interrupt output to pulse, the upper levels @@ -234,11 +226,11 @@ static void sa1111_irq_handler(struct irq_desc *desc) for (i = 0; stat0; i++, stat0 >>= 1) if (stat0 & 1) - sa1111_handle_irqdomain(irqdomain, i); + generic_handle_domain_irq(irqdomain, i); for (i = 32; stat1; i++, stat1 >>= 1) if (stat1 & 1) - sa1111_handle_irqdomain(irqdomain, i); + generic_handle_domain_irq(irqdomain, i); /* For level-based interrupts */ desc->irq_data.chip->irq_unmask(&desc->irq_data); @@ -1364,15 +1356,13 @@ static int sa1111_bus_probe(struct device *dev) return ret; } -static int sa1111_bus_remove(struct device *dev) +static void sa1111_bus_remove(struct device *dev) { struct sa1111_dev *sadev = to_sa1111_device(dev); struct sa1111_driver *drv = SA1111_DRV(dev->driver); if (drv->remove) drv->remove(sadev); - - return 0; } struct bus_type sa1111_bus_type = { diff --git a/arch/arm/configs/integrator_defconfig b/arch/arm/configs/integrator_defconfig index b06e537d5149..4dfe321a79f6 100644 --- a/arch/arm/configs/integrator_defconfig +++ b/arch/arm/configs/integrator_defconfig @@ -57,10 +57,7 @@ CONFIG_DRM=y CONFIG_DRM_DISPLAY_CONNECTOR=y CONFIG_DRM_SIMPLE_BRIDGE=y CONFIG_DRM_PL111=y -CONFIG_FB_MODE_HELPERS=y -CONFIG_FB_MATROX=y -CONFIG_FB_MATROX_MILLENIUM=y -CONFIG_FB_MATROX_MYSTIQUE=y +CONFIG_FB=y CONFIG_BACKLIGHT_CLASS_DEVICE=y # CONFIG_VGA_CONSOLE is not set CONFIG_LOGO=y diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 52a0400fdd92..d9abaae118dd 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -821,7 +821,7 @@ CONFIG_USB_ISP1760=y CONFIG_USB_HSIC_USB3503=y CONFIG_AB8500_USB=y CONFIG_KEYSTONE_USB_PHY=m -CONFIG_NOP_USB_XCEIV=m +CONFIG_NOP_USB_XCEIV=y CONFIG_AM335X_PHY_USB=m CONFIG_TWL6030_USB=m CONFIG_USB_GPIO_VBUS=y diff --git a/arch/arm/configs/nhk8815_defconfig b/arch/arm/configs/nhk8815_defconfig index 3f35761dc9ff..23595fc5a29a 100644 --- a/arch/arm/configs/nhk8815_defconfig +++ b/arch/arm/configs/nhk8815_defconfig @@ -15,8 +15,6 @@ CONFIG_SLAB=y CONFIG_ARCH_NOMADIK=y CONFIG_MACH_NOMADIK_8815NHK=y CONFIG_AEABI=y -CONFIG_ZBOOT_ROM_TEXT=0x0 -CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set @@ -52,9 +50,9 @@ CONFIG_MTD_BLOCK=y CONFIG_MTD_ONENAND=y CONFIG_MTD_ONENAND_VERIFY_WRITE=y CONFIG_MTD_ONENAND_GENERIC=y -CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC=y CONFIG_MTD_RAW_NAND=y CONFIG_MTD_NAND_FSMC=y +CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_CRYPTOLOOP=y CONFIG_BLK_DEV_RAM=y @@ -97,6 +95,7 @@ CONFIG_REGULATOR=y CONFIG_DRM=y CONFIG_DRM_PANEL_TPO_TPG110=y CONFIG_DRM_PL111=y +CONFIG_FB=y CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_PWM=y CONFIG_FRAMEBUFFER_CONSOLE=y @@ -136,9 +135,8 @@ CONFIG_NLS_ISO8859_15=y CONFIG_CRYPTO_MD5=y CONFIG_CRYPTO_SHA1=y CONFIG_CRYPTO_DES=y +# CONFIG_DEBUG_BUGVERBOSE is not set CONFIG_DEBUG_INFO=y -# CONFIG_ENABLE_MUST_CHECK is not set CONFIG_DEBUG_FS=y # CONFIG_SCHED_DEBUG is not set # CONFIG_DEBUG_PREEMPT is not set -# CONFIG_DEBUG_BUGVERBOSE is not set diff --git a/arch/arm/configs/realview_defconfig b/arch/arm/configs/realview_defconfig index 483c400dd391..4c01e313099f 100644 --- a/arch/arm/configs/realview_defconfig +++ b/arch/arm/configs/realview_defconfig @@ -64,11 +64,9 @@ CONFIG_DRM_PANEL_SIMPLE=y CONFIG_DRM_DISPLAY_CONNECTOR=y CONFIG_DRM_SIMPLE_BRIDGE=y CONFIG_DRM_PL111=y -CONFIG_FB_MODE_HELPERS=y +CONFIG_FB=y CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_LOGO=y -# CONFIG_LOGO_LINUX_MONO is not set -# CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_SOUND=y CONFIG_SND=y # CONFIG_SND_DRIVERS is not set diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig index 66c8b0980a0a..d9a27e4e0914 100644 --- a/arch/arm/configs/shmobile_defconfig +++ b/arch/arm/configs/shmobile_defconfig @@ -135,6 +135,7 @@ CONFIG_DRM_SII902X=y CONFIG_DRM_SIMPLE_BRIDGE=y CONFIG_DRM_I2C_ADV7511=y CONFIG_DRM_I2C_ADV7511_AUDIO=y +CONFIG_FB=y CONFIG_FB_SH_MOBILE_LCDC=y CONFIG_BACKLIGHT_PWM=y CONFIG_BACKLIGHT_AS3711=y diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index dbb1ef601762..3b30913d7d8d 100644 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -61,6 +61,10 @@ CONFIG_INPUT_TOUCHSCREEN=y CONFIG_TOUCHSCREEN_ATMEL_MXT=y CONFIG_TOUCHSCREEN_BU21013=y CONFIG_TOUCHSCREEN_CY8CTMA140=y +CONFIG_TOUCHSCREEN_CYTTSP_CORE=y +CONFIG_TOUCHSCREEN_CYTTSP_SPI=y +CONFIG_TOUCHSCREEN_MMS114=y +CONFIG_TOUCHSCREEN_ZINITIX=y CONFIG_INPUT_MISC=y CONFIG_INPUT_AB8500_PONKEY=y CONFIG_INPUT_GPIO_VIBRA=y @@ -100,6 +104,7 @@ CONFIG_DRM_PANEL_SAMSUNG_S6E63M0_DSI=y CONFIG_DRM_PANEL_SONY_ACX424AKP=y CONFIG_DRM_LIMA=y CONFIG_DRM_MCDE=y +CONFIG_FB=y CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_KTD253=y CONFIG_BACKLIGHT_GPIO=y diff --git a/arch/arm/configs/versatile_defconfig b/arch/arm/configs/versatile_defconfig index e7ecfb365e91..b703f4757021 100644 --- a/arch/arm/configs/versatile_defconfig +++ b/arch/arm/configs/versatile_defconfig @@ -60,7 +60,7 @@ CONFIG_DRM_PANEL_SIMPLE=y CONFIG_DRM_DISPLAY_CONNECTOR=y CONFIG_DRM_SIMPLE_BRIDGE=y CONFIG_DRM_PL111=y -CONFIG_FB_MODE_HELPERS=y +CONFIG_FB=y CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_LOGO=y CONFIG_SOUND=y @@ -88,8 +88,6 @@ CONFIG_NFSD=y CONFIG_NFSD_V3=y CONFIG_NLS_CODEPAGE_850=m CONFIG_NLS_ISO8859_1=m -CONFIG_FONTS=y -CONFIG_FONT_ACORN_8x8=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y CONFIG_DEBUG_KERNEL=y diff --git a/arch/arm/configs/vexpress_defconfig b/arch/arm/configs/vexpress_defconfig index 4479369540f2..b5e246dd23f4 100644 --- a/arch/arm/configs/vexpress_defconfig +++ b/arch/arm/configs/vexpress_defconfig @@ -11,9 +11,6 @@ CONFIG_CPUSETS=y # CONFIG_NET_NS is not set CONFIG_BLK_DEV_INITRD=y CONFIG_PROFILING=y -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -# CONFIG_BLK_DEV_BSG is not set CONFIG_ARCH_VEXPRESS=y CONFIG_ARCH_VEXPRESS_DCSCB=y CONFIG_ARCH_VEXPRESS_TC2_PM=y @@ -23,14 +20,17 @@ CONFIG_MCPM=y CONFIG_VMSPLIT_2G=y CONFIG_NR_CPUS=8 CONFIG_ARM_PSCI=y -CONFIG_CMA=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="console=ttyAMA0" CONFIG_CPU_IDLE=y CONFIG_VFP=y CONFIG_NEON=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_BLK_DEV_BSG is not set # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_CMA=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -43,7 +43,6 @@ CONFIG_IP_PNP_BOOTP=y CONFIG_NET_9P=y CONFIG_NET_9P_VIRTIO=y CONFIG_DEVTMPFS=y -CONFIG_DMA_CMA=y CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_BLOCK=y @@ -59,7 +58,6 @@ CONFIG_VIRTIO_BLK=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_VIRTIO=y CONFIG_ATA=y -# CONFIG_SATA_PMP is not set CONFIG_NETDEVICES=y CONFIG_VIRTIO_NET=y CONFIG_SMC91X=y @@ -81,11 +79,9 @@ CONFIG_DRM=y CONFIG_DRM_PANEL_SIMPLE=y CONFIG_DRM_SII902X=y CONFIG_DRM_PL111=y -CONFIG_FB_MODE_HELPERS=y +CONFIG_FB=y CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_LOGO=y -# CONFIG_LOGO_LINUX_MONO is not set -# CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_SOUND=y CONFIG_SND=y # CONFIG_SND_DRIVERS is not set @@ -136,10 +132,11 @@ CONFIG_ROOT_NFS=y CONFIG_9P_FS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y +# CONFIG_CRYPTO_HW is not set +CONFIG_DMA_CMA=y CONFIG_DEBUG_INFO=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y CONFIG_DETECT_HUNG_TASK=y # CONFIG_SCHED_DEBUG is not set CONFIG_DEBUG_USER=y -# CONFIG_CRYPTO_HW is not set diff --git a/arch/arm/crypto/curve25519-glue.c b/arch/arm/crypto/curve25519-glue.c index 31eb75b6002f..9bdafd57888c 100644 --- a/arch/arm/crypto/curve25519-glue.c +++ b/arch/arm/crypto/curve25519-glue.c @@ -112,7 +112,7 @@ static struct kpp_alg curve25519_alg = { .max_size = curve25519_max_size, }; -static int __init mod_init(void) +static int __init arm_curve25519_init(void) { if (elf_hwcap & HWCAP_NEON) { static_branch_enable(&have_neon); @@ -122,14 +122,14 @@ static int __init mod_init(void) return 0; } -static void __exit mod_exit(void) +static void __exit arm_curve25519_exit(void) { if (IS_REACHABLE(CONFIG_CRYPTO_KPP) && elf_hwcap & HWCAP_NEON) crypto_unregister_kpp(&curve25519_alg); } -module_init(mod_init); -module_exit(mod_exit); +module_init(arm_curve25519_init); +module_exit(arm_curve25519_exit); MODULE_ALIAS_CRYPTO("curve25519"); MODULE_ALIAS_CRYPTO("curve25519-neon"); diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h index 9de7ab2ce05d..a6f3b179e8a9 100644 --- a/arch/arm/include/asm/efi.h +++ b/arch/arm/include/asm/efi.h @@ -17,6 +17,7 @@ #ifdef CONFIG_EFI void efi_init(void); +extern void efifb_setup_from_dmi(struct screen_info *si, const char *opt); int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md); int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); @@ -52,10 +53,6 @@ void efi_virtmap_unload(void); struct screen_info *alloc_screen_info(void); void free_screen_info(struct screen_info *si); -static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt) -{ -} - /* * A reasonable upper bound for the uncompressed kernel size is 32 MBytes, * so we will reserve that amount of memory. We have no easy way to tell what diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index cfc9dfd70aad..f673e13e0f94 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -160,10 +160,11 @@ extern unsigned long vectors_base; /* * Physical start and end address of the kernel sections. These addresses are - * 2MB-aligned to match the section mappings placed over the kernel. + * 2MB-aligned to match the section mappings placed over the kernel. We use + * u64 so that LPAE mappings beyond the 32bit limit will work out as well. */ -extern u32 kernel_sec_start; -extern u32 kernel_sec_end; +extern u64 kernel_sec_start; +extern u64 kernel_sec_end; /* * Physical vs virtual RAM address space conversion. These are diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 9eb0b4dbcc12..29070eb8df7d 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -49,7 +49,8 @@ /* * This needs to be assigned at runtime when the linker symbols are - * resolved. + * resolved. These are unsigned 64bit really, but in this assembly code + * We store them as 32bit. */ .pushsection .data .align 2 @@ -57,8 +58,10 @@ .globl kernel_sec_end kernel_sec_start: .long 0 + .long 0 kernel_sec_end: .long 0 + .long 0 .popsection .macro pgtbl, rd, phys @@ -250,7 +253,11 @@ __create_page_tables: add r0, r4, #KERNEL_OFFSET >> (SECTION_SHIFT - PMD_ORDER) ldr r6, =(_end - 1) adr_l r5, kernel_sec_start @ _pa(kernel_sec_start) - str r8, [r5] @ Save physical start of kernel +#ifdef CONFIG_CPU_ENDIAN_BE8 + str r8, [r5, #4] @ Save physical start of kernel (BE) +#else + str r8, [r5] @ Save physical start of kernel (LE) +#endif orr r3, r8, r7 @ Add the MMU flags add r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ORDER) 1: str r3, [r0], #1 << PMD_ORDER @@ -259,7 +266,11 @@ __create_page_tables: bls 1b eor r3, r3, r7 @ Remove the MMU flags adr_l r5, kernel_sec_end @ _pa(kernel_sec_end) - str r3, [r5] @ Save physical end of kernel +#ifdef CONFIG_CPU_ENDIAN_BE8 + str r3, [r5, #4] @ Save physical end of kernel (BE) +#else + str r3, [r5] @ Save physical end of kernel (LE) +#endif #ifdef CONFIG_XIP_KERNEL /* diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index de11030748d0..1d3aef84287d 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -9,7 +9,6 @@ menuconfig ARCH_DAVINCI select PM_GENERIC_DOMAINS_OF if PM && OF select REGMAP_MMIO select RESET_CONTROLLER - select HAVE_IDE select PINCTRL_SINGLE if ARCH_DAVINCI diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index f0a073a71401..13f3068e9845 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -68,7 +68,6 @@ void imx_set_cpu_arg(int cpu, u32 arg); void v7_secondary_startup(void); void imx_scu_map_io(void); void imx_smp_prepare(void); -void imx_gpcv2_set_core1_pdn_pup_by_software(bool pdn); #else static inline void imx_scu_map_io(void) {} static inline void imx_smp_prepare(void) {} @@ -81,6 +80,7 @@ void imx_gpc_mask_all(void); void imx_gpc_restore_all(void); void imx_gpc_hwirq_mask(unsigned int hwirq); void imx_gpc_hwirq_unmask(unsigned int hwirq); +void imx_gpcv2_set_core1_pdn_pup_by_software(bool pdn); void imx_anatop_init(void); void imx_anatop_pre_suspend(void); void imx_anatop_post_resume(void); diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c index 0dfd0ae7a63d..af12668d0bf5 100644 --- a/arch/arm/mach-imx/mmdc.c +++ b/arch/arm/mach-imx/mmdc.c @@ -103,6 +103,7 @@ struct mmdc_pmu { struct perf_event *mmdc_events[MMDC_NUM_COUNTERS]; struct hlist_node node; struct fsl_mmdc_devtype_data *devtype_data; + struct clk *mmdc_ipg_clk; }; /* @@ -462,11 +463,14 @@ static int imx_mmdc_remove(struct platform_device *pdev) cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node); perf_pmu_unregister(&pmu_mmdc->pmu); + iounmap(pmu_mmdc->mmdc_base); + clk_disable_unprepare(pmu_mmdc->mmdc_ipg_clk); kfree(pmu_mmdc); return 0; } -static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_base) +static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_base, + struct clk *mmdc_ipg_clk) { struct mmdc_pmu *pmu_mmdc; char *name; @@ -494,6 +498,7 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b } mmdc_num = mmdc_pmu_init(pmu_mmdc, mmdc_base, &pdev->dev); + pmu_mmdc->mmdc_ipg_clk = mmdc_ipg_clk; if (mmdc_num == 0) name = "mmdc"; else @@ -529,7 +534,7 @@ pmu_free: #else #define imx_mmdc_remove NULL -#define imx_mmdc_perf_init(pdev, mmdc_base) 0 +#define imx_mmdc_perf_init(pdev, mmdc_base, mmdc_ipg_clk) 0 #endif static int imx_mmdc_probe(struct platform_device *pdev) @@ -567,7 +572,13 @@ static int imx_mmdc_probe(struct platform_device *pdev) val &= ~(1 << BP_MMDC_MAPSR_PSD); writel_relaxed(val, reg); - return imx_mmdc_perf_init(pdev, mmdc_base); + err = imx_mmdc_perf_init(pdev, mmdc_base, mmdc_ipg_clk); + if (err) { + iounmap(mmdc_base); + clk_disable_unprepare(mmdc_ipg_clk); + } + + return err; } int imx_mmdc_get_ddr_type(void) diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig index bf14d65120b9..34a1c7742088 100644 --- a/arch/arm/mach-ixp4xx/Kconfig +++ b/arch/arm/mach-ixp4xx/Kconfig @@ -91,6 +91,7 @@ config MACH_IXDP465 config MACH_GORAMO_MLR bool "GORAMO Multi Link Router" + depends on IXP4XX_PCI_LEGACY help Say 'Y' here if you want your kernel to support GORAMO MultiLink router. diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index b5eadd70d903..cdc720f54daa 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -268,9 +268,23 @@ static struct platform_device ixp46x_i2c_controller = { .resource = ixp46x_i2c_resources }; +static struct resource ixp46x_ptp_resources[] = { + DEFINE_RES_MEM(IXP4XX_TIMESYNC_BASE_PHYS, SZ_4K), + DEFINE_RES_IRQ_NAMED(IRQ_IXP4XX_GPIO8, "master"), + DEFINE_RES_IRQ_NAMED(IRQ_IXP4XX_GPIO7, "slave"), +}; + +static struct platform_device ixp46x_ptp = { + .name = "ptp-ixp46x", + .id = -1, + .resource = ixp46x_ptp_resources, + .num_resources = ARRAY_SIZE(ixp46x_ptp_resources), +}; + static struct platform_device *ixp46x_devices[] __initdata = { &ixp46x_hwrandom_device, &ixp46x_i2c_controller, + &ixp46x_ptp, }; unsigned long ixp4xx_exp_bus_size; diff --git a/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h b/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h index abb07f105515..74e63d4531aa 100644 --- a/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h +++ b/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h @@ -218,30 +218,30 @@ /* * PCI Control/Status Registers */ -#define IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x))) - -#define PCI_NP_AD IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET) -#define PCI_NP_CBE IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET) -#define PCI_NP_WDATA IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET) -#define PCI_NP_RDATA IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET) -#define PCI_CRP_AD_CBE IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET) -#define PCI_CRP_WDATA IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET) -#define PCI_CRP_RDATA IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET) -#define PCI_CSR IXP4XX_PCI_CSR(PCI_CSR_OFFSET) -#define PCI_ISR IXP4XX_PCI_CSR(PCI_ISR_OFFSET) -#define PCI_INTEN IXP4XX_PCI_CSR(PCI_INTEN_OFFSET) -#define PCI_DMACTRL IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET) -#define PCI_AHBMEMBASE IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET) -#define PCI_AHBIOBASE IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET) -#define PCI_PCIMEMBASE IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET) -#define PCI_AHBDOORBELL IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET) -#define PCI_PCIDOORBELL IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET) -#define PCI_ATPDMA0_AHBADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET) -#define PCI_ATPDMA0_PCIADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET) -#define PCI_ATPDMA0_LENADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET) -#define PCI_ATPDMA1_AHBADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET) -#define PCI_ATPDMA1_PCIADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET) -#define PCI_ATPDMA1_LENADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET) +#define _IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x))) + +#define PCI_NP_AD _IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET) +#define PCI_NP_CBE _IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET) +#define PCI_NP_WDATA _IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET) +#define PCI_NP_RDATA _IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET) +#define PCI_CRP_AD_CBE _IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET) +#define PCI_CRP_WDATA _IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET) +#define PCI_CRP_RDATA _IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET) +#define PCI_CSR _IXP4XX_PCI_CSR(PCI_CSR_OFFSET) +#define PCI_ISR _IXP4XX_PCI_CSR(PCI_ISR_OFFSET) +#define PCI_INTEN _IXP4XX_PCI_CSR(PCI_INTEN_OFFSET) +#define PCI_DMACTRL _IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET) +#define PCI_AHBMEMBASE _IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET) +#define PCI_AHBIOBASE _IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET) +#define PCI_PCIMEMBASE _IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET) +#define PCI_AHBDOORBELL _IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET) +#define PCI_PCIDOORBELL _IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET) +#define PCI_ATPDMA0_AHBADDR _IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET) +#define PCI_ATPDMA0_PCIADDR _IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET) +#define PCI_ATPDMA0_LENADDR _IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET) +#define PCI_ATPDMA1_AHBADDR _IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET) +#define PCI_ATPDMA1_PCIADDR _IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET) +#define PCI_ATPDMA1_LENADDR _IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET) /* * PCI register values and bit definitions diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 65934b2924fb..12b26e04686f 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -3776,6 +3776,7 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh) struct omap_hwmod_ocp_if *oi; struct clockdomain *clkdm; struct clk_hw_omap *clk; + struct clk_hw *hw; if (!oh) return NULL; @@ -3792,7 +3793,14 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh) c = oi->_clk; } - clk = to_clk_hw_omap(__clk_get_hw(c)); + hw = __clk_get_hw(c); + if (!hw) + return NULL; + + clk = to_clk_hw_omap(hw); + if (!clk) + return NULL; + clkdm = clk->clkdm; if (!clkdm) return NULL; diff --git a/arch/arm/mach-pxa/pxa_cplds_irqs.c b/arch/arm/mach-pxa/pxa_cplds_irqs.c index bddfc7cd5d40..eda5a47d7fbb 100644 --- a/arch/arm/mach-pxa/pxa_cplds_irqs.c +++ b/arch/arm/mach-pxa/pxa_cplds_irqs.c @@ -39,10 +39,8 @@ static irqreturn_t cplds_irq_handler(int in_irq, void *d) do { pending = readl(fpga->base + FPGA_IRQ_SET_CLR) & fpga->irq_mask; - for_each_set_bit(bit, &pending, CPLDS_NB_IRQ) { - generic_handle_irq(irq_find_mapping(fpga->irqdomain, - bit)); - } + for_each_set_bit(bit, &pending, CPLDS_NB_IRQ) + generic_handle_domain_irq(fpga->irqdomain, bit); } while (pending); return IRQ_HANDLED; diff --git a/arch/arm/mach-rpc/ecard.c b/arch/arm/mach-rpc/ecard.c index 827b50f1c73e..53813f9464a2 100644 --- a/arch/arm/mach-rpc/ecard.c +++ b/arch/arm/mach-rpc/ecard.c @@ -1052,7 +1052,7 @@ static int ecard_drv_probe(struct device *dev) return ret; } -static int ecard_drv_remove(struct device *dev) +static void ecard_drv_remove(struct device *dev) { struct expansion_card *ec = ECARD_DEV(dev); struct ecard_driver *drv = ECARD_DRV(dev->driver); @@ -1067,8 +1067,6 @@ static int ecard_drv_remove(struct device *dev) ec->ops = &ecard_default_ops; barrier(); ec->irq_data = NULL; - - return 0; } /* diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c index d23970bd638d..f70fb9c4b0cb 100644 --- a/arch/arm/mach-rpc/riscpc.c +++ b/arch/arm/mach-rpc/riscpc.c @@ -49,6 +49,7 @@ static int __init parse_tag_acorn(const struct tag *tag) fallthrough; /* ??? */ case 256: vram_size += PAGE_SIZE * 256; + break; default: break; } diff --git a/arch/arm/mach-s3c/irq-s3c24xx.c b/arch/arm/mach-s3c/irq-s3c24xx.c index 0c631c14a817..3edc5f614eef 100644 --- a/arch/arm/mach-s3c/irq-s3c24xx.c +++ b/arch/arm/mach-s3c/irq-s3c24xx.c @@ -298,7 +298,7 @@ static void s3c_irq_demux(struct irq_desc *desc) struct s3c_irq_data *irq_data = irq_desc_get_chip_data(desc); struct s3c_irq_intc *intc = irq_data->intc; struct s3c_irq_intc *sub_intc = irq_data->sub_intc; - unsigned int n, offset, irq; + unsigned int n, offset; unsigned long src, msk; /* we're using individual domains for the non-dt case @@ -318,8 +318,7 @@ static void s3c_irq_demux(struct irq_desc *desc) while (src) { n = __ffs(src); src &= ~(1 << n); - irq = irq_find_mapping(sub_intc->domain, offset + n); - generic_handle_irq(irq); + generic_handle_domain_irq(sub_intc->domain, offset + n); } chained_irq_exit(chip, desc); diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c index b5c990a7a5af..18d37f90cdfe 100644 --- a/arch/arm/mach-tegra/board-paz00.c +++ b/arch/arm/mach-tegra/board-paz00.c @@ -36,7 +36,7 @@ static struct gpiod_lookup_table wifi_gpio_lookup = { void __init tegra_paz00_wifikill_init(void) { - platform_device_add_properties(&wifi_rfkill_device, wifi_rfkill_prop); + device_create_managed_software_node(&wifi_rfkill_device.dev, wifi_rfkill_prop, NULL); gpiod_add_lookup_table(&wifi_gpio_lookup); platform_device_register(&wifi_rfkill_device); } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 7583bda5ea7d..a4e006005107 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1609,6 +1609,13 @@ static void __init early_paging_init(const struct machine_desc *mdesc) return; /* + * Offset the kernel section physical offsets so that the kernel + * mapping will work out later on. + */ + kernel_sec_start += offset; + kernel_sec_end += offset; + + /* * Get the address of the remap function in the 1:1 identity * mapping setup by the early page table assembly code. We * must get this prior to the pv update. The following barrier @@ -1716,7 +1723,7 @@ void __init paging_init(const struct machine_desc *mdesc) { void *zero_page; - pr_debug("physical kernel sections: 0x%08x-0x%08x\n", + pr_debug("physical kernel sections: 0x%08llx-0x%08llx\n", kernel_sec_start, kernel_sec_end); prepare_page_table(); diff --git a/arch/arm/mm/pv-fixup-asm.S b/arch/arm/mm/pv-fixup-asm.S index 5c5e1952000a..f8e11f7c7880 100644 --- a/arch/arm/mm/pv-fixup-asm.S +++ b/arch/arm/mm/pv-fixup-asm.S @@ -29,7 +29,7 @@ ENTRY(lpae_pgtables_remap_asm) ldr r6, =(_end - 1) add r7, r2, #0x1000 add r6, r7, r6, lsr #SECTION_SHIFT - L2_ORDER - add r7, r7, #PAGE_OFFSET >> (SECTION_SHIFT - L2_ORDER) + add r7, r7, #KERNEL_OFFSET >> (SECTION_SHIFT - L2_ORDER) 1: ldrd r4, r5, [r7] adds r4, r4, r0 adc r5, r5, r1 diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 897634d0a67c..a951276f0547 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -1602,6 +1602,9 @@ exit: rn = arm_bpf_get_reg32(src_lo, tmp2[1], ctx); emit_ldx_r(dst, rn, off, ctx, BPF_SIZE(code)); break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + break; /* ST: *(size *)(dst + off) = imm */ case BPF_ST | BPF_MEM | BPF_W: case BPF_ST | BPF_MEM | BPF_H: diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e07e7de9ac49..62c3c1d2190f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -156,6 +156,7 @@ config ARM64 select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT + select HAVE_ARCH_PFN_VALID select HAVE_ARCH_PREL32_RELOCATIONS select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET select HAVE_ARCH_SECCOMP_FILTER @@ -1605,7 +1606,8 @@ config ARM64_BTI_KERNEL depends on CC_HAS_BRANCH_PROT_PAC_RET_BTI # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697 depends on !CC_IS_GCC || GCC_VERSION >= 100100 - depends on !(CC_IS_CLANG && GCOV_KERNEL) + # https://github.com/llvm/llvm-project/commit/a88c722e687e6780dcd6a58718350dc76fcc4cc9 + depends on !CC_IS_CLANG || CLANG_VERSION >= 120000 depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS) help Build the kernel with Branch Target Identification annotations @@ -1799,11 +1801,11 @@ config RANDOMIZE_BASE If unsure, say N. config RANDOMIZE_MODULE_REGION_FULL - bool "Randomize the module region over a 4 GB range" + bool "Randomize the module region over a 2 GB range" depends on RANDOMIZE_BASE default y help - Randomizes the location of the module region inside a 4 GB window + Randomizes the location of the module region inside a 2 GB window covering the core kernel. This way, it is less likely for modules to leak information about the location of core kernel data structures but it does imply that function calls between modules and the core @@ -1811,7 +1813,10 @@ config RANDOMIZE_MODULE_REGION_FULL When this option is not set, the module region will be randomized over a limited range that contains the [_stext, _etext] interval of the - core kernel, so branch relocations are always in range. + core kernel, so branch relocations are almost always in range unless + ARM64_MODULE_PLTS is enabled and the region is exhausted. In this + particular case of region exhaustion, modules might be able to fall + back to a larger 2GB area. config CC_HAVE_STACKPROTECTOR_SYSREG def_bool $(cc-option,-mstack-protector-guard=sysreg -mstack-protector-guard-reg=sp_el0 -mstack-protector-guard-offset=0) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 7bc37d0a1b68..1110d386f3b4 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -21,19 +21,11 @@ LDFLAGS_vmlinux += -shared -Bsymbolic -z notext \ endif ifeq ($(CONFIG_ARM64_ERRATUM_843419),y) - ifneq ($(CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843419),y) -$(warning ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum) - else + ifeq ($(CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843419),y) LDFLAGS_vmlinux += --fix-cortex-a53-843419 endif endif -ifeq ($(CONFIG_ARM64_USE_LSE_ATOMICS), y) - ifneq ($(CONFIG_ARM64_LSE_ATOMICS), y) -$(warning LSE atomics not supported by binutils) - endif -endif - cc_has_k_constraint := $(call try-run,echo \ 'int main(void) { \ asm volatile("and w0, w0, %w0" :: "K" (4294967295)); \ @@ -176,10 +168,23 @@ vdso_install: archprepare: $(Q)$(MAKE) $(build)=arch/arm64/tools kapi +ifeq ($(CONFIG_ARM64_ERRATUM_843419),y) + ifneq ($(CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843419),y) + @echo "warning: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum" >&2 + endif +endif +ifeq ($(CONFIG_ARM64_USE_LSE_ATOMICS),y) + ifneq ($(CONFIG_ARM64_LSE_ATOMICS),y) + @echo "warning: LSE atomics not supported by binutils" >&2 + endif +endif + # We use MRPROPER_FILES and CLEAN_FILES now archclean: $(Q)$(MAKE) $(clean)=$(boot) + $(Q)$(MAKE) $(clean)=arch/arm64/kernel/vdso + $(Q)$(MAKE) $(clean)=arch/arm64/kernel/vdso32 ifeq ($(KBUILD_EXTMOD),) # We need to generate vdso-offsets.h before compiling certain files in kernel/. diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts index dd764b720fb0..f6a79c8080d1 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts @@ -54,6 +54,7 @@ &mscc_felix_port0 { label = "swp0"; + managed = "in-band-status"; phy-handle = <&phy0>; phy-mode = "sgmii"; status = "okay"; @@ -61,6 +62,7 @@ &mscc_felix_port1 { label = "swp1"; + managed = "in-band-status"; phy-handle = <&phy1>; phy-mode = "sgmii"; status = "okay"; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index b2e3e5d2a108..343ecf0e8973 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -66,7 +66,7 @@ }; }; - sysclk: clock-sysclk { + sysclk: sysclk { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <100000000>; diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index e7648c3b8390..1608a48495b6 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -920,7 +920,7 @@ }; fec1: ethernet@30be0000 { - compatible = "fsl,imx8mm-fec", "fsl,imx6sx-fec"; + compatible = "fsl,imx8mm-fec", "fsl,imx8mq-fec", "fsl,imx6sx-fec"; reg = <0x30be0000 0x10000>; interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index d4231e061403..e6de293865b0 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -923,7 +923,7 @@ }; fec1: ethernet@30be0000 { - compatible = "fsl,imx8mn-fec", "fsl,imx6sx-fec"; + compatible = "fsl,imx8mn-fec", "fsl,imx8mq-fec", "fsl,imx6sx-fec"; reg = <0x30be0000 0x10000>; interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 9f7c7f587d38..f4eaab3ecf03 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -579,7 +579,7 @@ }; flexcan1: can@308c0000 { - compatible = "fsl,imx8mp-flexcan", "fsl,imx6q-flexcan"; + compatible = "fsl,imx8mp-flexcan"; reg = <0x308c0000 0x10000>; interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk IMX8MP_CLK_IPG_ROOT>, @@ -594,7 +594,7 @@ }; flexcan2: can@308d0000 { - compatible = "fsl,imx8mp-flexcan", "fsl,imx6q-flexcan"; + compatible = "fsl,imx8mp-flexcan"; reg = <0x308d0000 0x10000>; interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk IMX8MP_CLK_IPG_ROOT>, @@ -821,9 +821,9 @@ eqos: ethernet@30bf0000 { compatible = "nxp,imx8mp-dwmac-eqos", "snps,dwmac-5.10a"; reg = <0x30bf0000 0x10000>; - interrupts = <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "eth_wake_irq", "macirq"; + interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "macirq", "eth_wake_irq"; clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>, <&clk IMX8MP_CLK_QOS_ENET_ROOT>, <&clk IMX8MP_CLK_ENET_QOS_TIMER>, diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp-ss-conn.dtsi index f5f58959f65c..46da21af3702 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp-ss-conn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp-ss-conn.dtsi @@ -17,9 +17,9 @@ }; &fec1 { - compatible = "fsl,imx8qxp-fec", "fsl,imx6sx-fec"; + compatible = "fsl,imx8qxp-fec", "fsl,imx8qm-fec", "fsl,imx6sx-fec"; }; &fec2 { - compatible = "fsl,imx8qxp-fec", "fsl,imx6sx-fec"; + compatible = "fsl,imx8qxp-fec", "fsl,imx8qm-fec", "fsl,imx6sx-fec"; }; diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts index ce2bcddf396f..a05b1ab2dd12 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -19,6 +19,8 @@ aliases { spi0 = &spi0; ethernet1 = ð1; + mmc0 = &sdhci0; + mmc1 = &sdhci1; }; chosen { @@ -119,6 +121,7 @@ pinctrl-names = "default"; pinctrl-0 = <&i2c1_pins>; clock-frequency = <100000>; + /delete-property/ mrvl,i2c-fast-mode; status = "okay"; rtc@6f { diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi index ad07fff40544..787ebcec121d 100644 --- a/arch/arm64/boot/dts/microchip/sparx5.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi @@ -471,8 +471,9 @@ <0x6 0x10004000 0x7fc000>, <0x6 0x11010000 0xaf0000>; reg-names = "cpu", "dev", "gcb"; - interrupt-names = "xtr"; - interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "xtr", "fdma"; + interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; resets = <&reset 0>; reset-names = "switch"; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index b7d532841390..5ba7a4519b95 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -948,6 +948,10 @@ <&bpmp TEGRA194_CLK_XUSB_SS>, <&bpmp TEGRA194_CLK_XUSB_FS>; clock-names = "dev", "ss", "ss_src", "fs_src"; + interconnects = <&mc TEGRA194_MEMORY_CLIENT_XUSB_DEVR &emc>, + <&mc TEGRA194_MEMORY_CLIENT_XUSB_DEVW &emc>; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_XUSB_DEV>; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_XUSBB>, <&bpmp TEGRA194_POWER_DOMAIN_XUSBA>; power-domain-names = "dev", "ss"; @@ -977,6 +981,10 @@ "xusb_ss", "xusb_ss_src", "xusb_hs_src", "xusb_fs_src", "pll_u_480m", "clk_m", "pll_e"; + interconnects = <&mc TEGRA194_MEMORY_CLIENT_XUSB_HOSTR &emc>, + <&mc TEGRA194_MEMORY_CLIENT_XUSB_HOSTW &emc>; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_XUSB_HOST>; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_XUSBC>, <&bpmp TEGRA194_POWER_DOMAIN_XUSBA>; @@ -1832,7 +1840,11 @@ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE1R &emc>, <&mc TEGRA194_MEMORY_CLIENT_PCIE1W &emc>; - interconnect-names = "read", "write"; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE1>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE1 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; pcie@14120000 { @@ -1882,7 +1894,11 @@ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE2AR &emc>, <&mc TEGRA194_MEMORY_CLIENT_PCIE2AW &emc>; - interconnect-names = "read", "write"; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE2>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE2 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; pcie@14140000 { @@ -1932,7 +1948,11 @@ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE3R &emc>, <&mc TEGRA194_MEMORY_CLIENT_PCIE3W &emc>; - interconnect-names = "read", "write"; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE3>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE3 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; pcie@14160000 { @@ -1982,7 +2002,11 @@ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE4R &emc>, <&mc TEGRA194_MEMORY_CLIENT_PCIE4W &emc>; - interconnect-names = "read", "write"; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE4>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE4 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; pcie@14180000 { @@ -2032,7 +2056,11 @@ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE0R &emc>, <&mc TEGRA194_MEMORY_CLIENT_PCIE0W &emc>; - interconnect-names = "read", "write"; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE0>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE0 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; pcie@141a0000 { @@ -2086,7 +2114,11 @@ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE5R &emc>, <&mc TEGRA194_MEMORY_CLIENT_PCIE5W &emc>; - interconnect-names = "read", "write"; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE5>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE5 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; pcie_ep@14160000 { @@ -2119,6 +2151,14 @@ nvidia,aspm-cmrt-us = <60>; nvidia,aspm-pwr-on-t-us = <20>; nvidia,aspm-l0s-entrance-latency-us = <3>; + + interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE4R &emc>, + <&mc TEGRA194_MEMORY_CLIENT_PCIE4W &emc>; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE4>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE4 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; pcie_ep@14180000 { @@ -2151,6 +2191,14 @@ nvidia,aspm-cmrt-us = <60>; nvidia,aspm-pwr-on-t-us = <20>; nvidia,aspm-l0s-entrance-latency-us = <3>; + + interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE0R &emc>, + <&mc TEGRA194_MEMORY_CLIENT_PCIE0W &emc>; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE0>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE0 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; pcie_ep@141a0000 { @@ -2186,6 +2234,14 @@ nvidia,aspm-cmrt-us = <60>; nvidia,aspm-pwr-on-t-us = <20>; nvidia,aspm-l0s-entrance-latency-us = <3>; + + interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE5R &emc>, + <&mc TEGRA194_MEMORY_CLIENT_PCIE5W &emc>; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_PCIE5>; + iommu-map = <0x0 &smmu TEGRA194_SID_PCIE5 0x1000>; + iommu-map-mask = <0x0>; + dma-coherent; }; sram@40000000 { @@ -2469,6 +2525,11 @@ * for 8x and 11.025x sample rate streams. */ assigned-clock-rates = <258000000>; + + interconnects = <&mc TEGRA194_MEMORY_CLIENT_APEDMAR &emc>, + <&mc TEGRA194_MEMORY_CLIENT_APEDMAW &emc>; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_APE>; }; tcu: tcu { diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi index 068692350e00..51e17094d7b1 100644 --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi @@ -1063,7 +1063,7 @@ status = "okay"; extcon = <&usb2_id>; - usb@7600000 { + dwc3@7600000 { extcon = <&usb2_id>; dr_mode = "otg"; maximum-speed = "high-speed"; @@ -1074,7 +1074,7 @@ status = "okay"; extcon = <&usb3_id>; - usb@6a00000 { + dwc3@6a00000 { extcon = <&usb3_id>; dr_mode = "otg"; }; diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi index 95d6cb8cd4c0..f39bc10cc5bd 100644 --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi @@ -443,7 +443,7 @@ resets = <&gcc GCC_USB0_BCR>; status = "disabled"; - dwc_0: usb@8a00000 { + dwc_0: dwc3@8a00000 { compatible = "snps,dwc3"; reg = <0x8a00000 0xcd00>; interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>; @@ -484,7 +484,7 @@ resets = <&gcc GCC_USB1_BCR>; status = "disabled"; - dwc_1: usb@8c00000 { + dwc_1: dwc3@8c00000 { compatible = "snps,dwc3"; reg = <0x8c00000 0xcd00>; interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/msm8992-bullhead-rev-101.dts b/arch/arm64/boot/dts/qcom/msm8992-bullhead-rev-101.dts index 23cdcc9f7c72..1ccca83292ac 100644 --- a/arch/arm64/boot/dts/qcom/msm8992-bullhead-rev-101.dts +++ b/arch/arm64/boot/dts/qcom/msm8992-bullhead-rev-101.dts @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2015, LGE Inc. All rights reserved. * Copyright (c) 2016, The Linux Foundation. All rights reserved. + * Copyright (c) 2021, Petr Vorel <petr.vorel@gmail.com> */ /dts-v1/; @@ -9,6 +10,9 @@ #include "pm8994.dtsi" #include "pmi8994.dtsi" +/* cont_splash_mem has different memory mapping */ +/delete-node/ &cont_splash_mem; + / { model = "LG Nexus 5X"; compatible = "lg,bullhead", "qcom,msm8992"; @@ -17,6 +21,9 @@ qcom,board-id = <0xb64 0>; qcom,pmic-id = <0x10009 0x1000A 0x0 0x0>; + /* Bullhead firmware doesn't support PSCI */ + /delete-node/ psci; + aliases { serial0 = &blsp1_uart2; }; @@ -38,6 +45,11 @@ ftrace-size = <0x10000>; pmsg-size = <0x20000>; }; + + cont_splash_mem: memory@3400000 { + reg = <0 0x03400000 0 0x1200000>; + no-map; + }; }; }; diff --git a/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts b/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts index ffe1a9bd8f70..c096b7758aa0 100644 --- a/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts +++ b/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts @@ -1,12 +1,16 @@ // SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2015, Huawei Inc. All rights reserved. * Copyright (c) 2016, The Linux Foundation. All rights reserved. + * Copyright (c) 2021, Petr Vorel <petr.vorel@gmail.com> */ /dts-v1/; #include "msm8994.dtsi" +/* Angler's firmware does not report where the memory is allocated */ +/delete-node/ &cont_splash_mem; + / { model = "Huawei Nexus 6P"; compatible = "huawei,angler", "qcom,msm8994"; diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index 0e1bc4669d7e..78c55ca10ba9 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -2566,7 +2566,7 @@ power-domains = <&gcc USB30_GDSC>; status = "disabled"; - usb@6a00000 { + dwc3@6a00000 { compatible = "snps,dwc3"; reg = <0x06a00000 0xcc00>; interrupts = <0 131 IRQ_TYPE_LEVEL_HIGH>; @@ -2873,7 +2873,7 @@ qcom,select-utmi-as-pipe-clk; status = "disabled"; - usb@7600000 { + dwc3@7600000 { compatible = "snps,dwc3"; reg = <0x07600000 0xcc00>; interrupts = <0 138 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi index 6f294f9c0cdf..e9d3ce29937c 100644 --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi @@ -1964,7 +1964,7 @@ resets = <&gcc GCC_USB_30_BCR>; - usb3_dwc3: usb@a800000 { + usb3_dwc3: dwc3@a800000 { compatible = "snps,dwc3"; reg = <0x0a800000 0xcd00>; interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi index f8a55307b855..a80c578484ba 100644 --- a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi +++ b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi @@ -337,7 +337,7 @@ &usb3 { status = "okay"; - usb@7580000 { + dwc3@7580000 { dr_mode = "host"; }; }; diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi index 9c4be020d568..339790ba585d 100644 --- a/arch/arm64/boot/dts/qcom/qcs404.dtsi +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi @@ -544,7 +544,7 @@ assigned-clock-rates = <19200000>, <200000000>; status = "disabled"; - usb@7580000 { + dwc3@7580000 { compatible = "snps,dwc3"; reg = <0x07580000 0xcd00>; interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; @@ -573,7 +573,7 @@ assigned-clock-rates = <19200000>, <133333333>; status = "disabled"; - usb@78c0000 { + dwc3@78c0000 { compatible = "snps,dwc3"; reg = <0x078c0000 0xcc00>; interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 77ae7561d436..781625d9344c 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -255,21 +255,6 @@ #sound-dai-cells = <0>; }; - panel: panel { - /* Compatible will be filled in per-board */ - power-supply = <&pp3300_dx_edp>; - backlight = <&backlight>; - hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>; - - ports { - port { - panel_in_edp: endpoint { - remote-endpoint = <&sn65dsi86_out>; - }; - }; - }; - }; - pwmleds { compatible = "pwm-leds"; keyboard_backlight: keyboard-backlight { @@ -666,6 +651,21 @@ edp_brij_i2c: &i2c2 { }; }; }; + + aux-bus { + panel: panel { + /* Compatible will be filled in per-board */ + power-supply = <&pp3300_dx_edp>; + backlight = <&backlight>; + hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>; + + port { + panel_in_edp: endpoint { + remote-endpoint = <&sn65dsi86_out>; + }; + }; + }; + }; }; }; diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index a5d58eb92896..e7f0e5cde424 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -786,6 +786,8 @@ <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -838,6 +840,8 @@ <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -890,6 +894,8 @@ <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -924,6 +930,8 @@ <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -976,6 +984,8 @@ <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -1010,6 +1020,8 @@ <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -1075,6 +1087,8 @@ <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -1127,6 +1141,8 @@ <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -1161,6 +1177,8 @@ <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -1213,6 +1231,8 @@ <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -1247,6 +1267,8 @@ <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -1299,6 +1321,8 @@ <&aggre2_noc MASTER_QUP_1 0 &mc_virt SLAVE_EBI1 0>; interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; status = "disabled"; }; @@ -2756,7 +2780,7 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3 0>; interconnect-names = "usb-ddr", "apps-usb"; - usb_1_dwc3: usb@a600000 { + usb_1_dwc3: dwc3@a600000 { compatible = "snps,dwc3"; reg = <0 0x0a600000 0 0xe000>; interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts index 3900cfc09562..44326d816396 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts @@ -276,6 +276,45 @@ status = "okay"; }; +&usb_1 { + status = "okay"; +}; + +&usb_1_dwc3 { + dr_mode = "host"; +}; + +&usb_1_hsphy { + status = "okay"; + + vdda-pll-supply = <&vreg_l10c_0p8>; + vdda33-supply = <&vreg_l2b_3p0>; + vdda18-supply = <&vreg_l1c_1p8>; +}; + +&usb_1_qmpphy { + status = "okay"; + + vdda-phy-supply = <&vreg_l6b_1p2>; + vdda-pll-supply = <&vreg_l1b_0p8>; +}; + +&usb_2 { + status = "okay"; +}; + +&usb_2_dwc3 { + dr_mode = "peripheral"; +}; + +&usb_2_hsphy { + status = "okay"; + + vdda-pll-supply = <&vreg_l10c_0p8>; + vdda33-supply = <&vreg_l2b_3p0>; + vdda18-supply = <&vreg_l1c_1p8>; +}; + /* PINCTRL - additions to nodes defined in sc7280.dtsi */ &qup_uart5_default { diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index a8c274ad74c4..903f56ae1185 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -200,7 +200,7 @@ &BIG_CPU_SLEEP_1 &CLUSTER_SLEEP_0>; next-level-cache = <&L2_700>; - qcom,freq-domain = <&cpufreq_hw 1>; + qcom,freq-domain = <&cpufreq_hw 2>; #cooling-cells = <2>; L2_700: l2-cache { compatible = "cache"; @@ -1035,6 +1035,125 @@ }; }; + usb_1_hsphy: phy@88e3000 { + compatible = "qcom,sc7280-usb-hs-phy", + "qcom,usb-snps-hs-7nm-phy"; + reg = <0 0x088e3000 0 0x400>; + status = "disabled"; + #phy-cells = <0>; + + clocks = <&rpmhcc RPMH_CXO_CLK>; + clock-names = "ref"; + + resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>; + }; + + usb_2_hsphy: phy@88e4000 { + compatible = "qcom,sc7280-usb-hs-phy", + "qcom,usb-snps-hs-7nm-phy"; + reg = <0 0x088e4000 0 0x400>; + status = "disabled"; + #phy-cells = <0>; + + clocks = <&rpmhcc RPMH_CXO_CLK>; + clock-names = "ref"; + + resets = <&gcc GCC_QUSB2PHY_SEC_BCR>; + }; + + usb_1_qmpphy: phy-wrapper@88e9000 { + compatible = "qcom,sc7280-qmp-usb3-dp-phy", + "qcom,sm8250-qmp-usb3-dp-phy"; + reg = <0 0x088e9000 0 0x200>, + <0 0x088e8000 0 0x40>, + <0 0x088ea000 0 0x200>; + status = "disabled"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>, + <&rpmhcc RPMH_CXO_CLK>, + <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>; + clock-names = "aux", "ref_clk_src", "com_aux"; + + resets = <&gcc GCC_USB3_DP_PHY_PRIM_BCR>, + <&gcc GCC_USB3_PHY_PRIM_BCR>; + reset-names = "phy", "common"; + + usb_1_ssphy: usb3-phy@88e9200 { + reg = <0 0x088e9200 0 0x200>, + <0 0x088e9400 0 0x200>, + <0 0x088e9c00 0 0x400>, + <0 0x088e9600 0 0x200>, + <0 0x088e9800 0 0x200>, + <0 0x088e9a00 0 0x100>; + #clock-cells = <0>; + #phy-cells = <0>; + clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>; + clock-names = "pipe0"; + clock-output-names = "usb3_phy_pipe_clk_src"; + }; + + dp_phy: dp-phy@88ea200 { + reg = <0 0x088ea200 0 0x200>, + <0 0x088ea400 0 0x200>, + <0 0x088eac00 0 0x400>, + <0 0x088ea600 0 0x200>, + <0 0x088ea800 0 0x200>, + <0 0x088eaa00 0 0x100>; + #phy-cells = <0>; + #clock-cells = <1>; + clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>; + clock-names = "pipe0"; + clock-output-names = "usb3_phy_pipe_clk_src"; + }; + }; + + usb_2: usb@8cf8800 { + compatible = "qcom,sc7280-dwc3", "qcom,dwc3"; + reg = <0 0x08cf8800 0 0x400>; + status = "disabled"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + dma-ranges; + + clocks = <&gcc GCC_CFG_NOC_USB3_SEC_AXI_CLK>, + <&gcc GCC_USB30_SEC_MASTER_CLK>, + <&gcc GCC_AGGRE_USB3_SEC_AXI_CLK>, + <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>, + <&gcc GCC_USB30_SEC_SLEEP_CLK>; + clock-names = "cfg_noc", "core", "iface","mock_utmi", + "sleep"; + + assigned-clocks = <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>, + <&gcc GCC_USB30_SEC_MASTER_CLK>; + assigned-clock-rates = <19200000>, <200000000>; + + interrupts-extended = <&intc GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>, + <&pdc 13 IRQ_TYPE_EDGE_RISING>, + <&pdc 12 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "hs_phy_irq", + "dm_hs_phy_irq", "dp_hs_phy_irq"; + + power-domains = <&gcc GCC_USB30_SEC_GDSC>; + + resets = <&gcc GCC_USB30_SEC_BCR>; + + usb_2_dwc3: usb@8c00000 { + compatible = "snps,dwc3"; + reg = <0 0x08c00000 0 0xe000>; + interrupts = <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>; + iommus = <&apps_smmu 0xa0 0x0>; + snps,dis_u2_susphy_quirk; + snps,dis_enblslpm_quirk; + phys = <&usb_2_hsphy>; + phy-names = "usb2-phy"; + maximum-speed = "high-speed"; + }; + }; + dc_noc: interconnect@90e0000 { reg = <0 0x090e0000 0 0x5080>; compatible = "qcom,sc7280-dc-noc"; @@ -1063,6 +1182,51 @@ qcom,bcm-voters = <&apps_bcm_voter>; }; + usb_1: usb@a6f8800 { + compatible = "qcom,sc7280-dwc3", "qcom,dwc3"; + reg = <0 0x0a6f8800 0 0x400>; + status = "disabled"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + dma-ranges; + + clocks = <&gcc GCC_CFG_NOC_USB3_PRIM_AXI_CLK>, + <&gcc GCC_USB30_PRIM_MASTER_CLK>, + <&gcc GCC_AGGRE_USB3_PRIM_AXI_CLK>, + <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>, + <&gcc GCC_USB30_PRIM_SLEEP_CLK>; + clock-names = "cfg_noc", "core", "iface", "mock_utmi", + "sleep"; + + assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>, + <&gcc GCC_USB30_PRIM_MASTER_CLK>; + assigned-clock-rates = <19200000>, <200000000>; + + interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>, + <&pdc 14 IRQ_TYPE_EDGE_BOTH>, + <&pdc 15 IRQ_TYPE_EDGE_BOTH>, + <&pdc 17 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "hs_phy_irq", "dp_hs_phy_irq", + "dm_hs_phy_irq", "ss_phy_irq"; + + power-domains = <&gcc GCC_USB30_PRIM_GDSC>; + + resets = <&gcc GCC_USB30_PRIM_BCR>; + + usb_1_dwc3: usb@a600000 { + compatible = "snps,dwc3"; + reg = <0 0x0a600000 0 0xe000>; + interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>; + iommus = <&apps_smmu 0xe0 0x0>; + snps,dis_u2_susphy_quirk; + snps,dis_enblslpm_quirk; + phys = <&usb_1_hsphy>, <&usb_1_ssphy>; + phy-names = "usb2-phy", "usb3-phy"; + maximum-speed = "super-speed"; + }; + }; + videocc: clock-controller@aaf0000 { compatible = "qcom,sc7280-videocc"; reg = <0 0xaaf0000 0 0x10000>; diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi index 4d052e39b348..eb6b1d15293d 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi @@ -69,7 +69,7 @@ }; rmtfs_upper_guard: memory@f5d01000 { no-map; - reg = <0 0xf5d01000 0 0x2000>; + reg = <0 0xf5d01000 0 0x1000>; }; /* @@ -78,7 +78,7 @@ */ removed_region: memory@88f00000 { no-map; - reg = <0 0x88f00000 0 0x200000>; + reg = <0 0x88f00000 0 0x1c00000>; }; ramoops: ramoops@ac300000 { diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 1796ae8372be..0a86fe71a66d 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -3781,7 +3781,7 @@ <&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_0 0>; interconnect-names = "usb-ddr", "apps-usb"; - usb_1_dwc3: usb@a600000 { + usb_1_dwc3: dwc3@a600000 { compatible = "snps,dwc3"; reg = <0 0x0a600000 0 0xcd00>; interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>; @@ -3829,7 +3829,7 @@ <&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_1 0>; interconnect-names = "usb-ddr", "apps-usb"; - usb_2_dwc3: usb@a800000 { + usb_2_dwc3: dwc3@a800000 { compatible = "snps,dwc3"; reg = <0 0x0a800000 0 0xcd00>; interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts index c2a709a384e9..d7591a4621a2 100644 --- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts +++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts @@ -700,7 +700,7 @@ left_spkr: wsa8810-left{ compatible = "sdw10217211000"; reg = <0 3>; - powerdown-gpios = <&wcdgpio 2 GPIO_ACTIVE_HIGH>; + powerdown-gpios = <&wcdgpio 1 GPIO_ACTIVE_HIGH>; #thermal-sensor-cells = <0>; sound-name-prefix = "SpkrLeft"; #sound-dai-cells = <0>; @@ -708,7 +708,7 @@ right_spkr: wsa8810-right{ compatible = "sdw10217211000"; - powerdown-gpios = <&wcdgpio 3 GPIO_ACTIVE_HIGH>; + powerdown-gpios = <&wcdgpio 2 GPIO_ACTIVE_HIGH>; reg = <0 4>; #thermal-sensor-cells = <0>; sound-name-prefix = "SpkrRight"; diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi index 612dda0fef43..eef9d79157e9 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -2344,7 +2344,7 @@ resets = <&gcc GCC_USB30_PRIM_BCR>; - usb_1_dwc3: usb@a600000 { + usb_1_dwc3: dwc3@a600000 { compatible = "snps,dwc3"; reg = <0 0x0a600000 0 0xcd00>; interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi index 734c8adeceba..01482d227506 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi @@ -82,10 +82,10 @@ <GIC_SPI 384 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "eri", "rxi", "txi", "bri", "dri", "tei"; - clocks = <&cpg CPG_MOD R9A07G044_CLK_SCIF0>; + clocks = <&cpg CPG_MOD R9A07G044_SCIF0_CLK_PCK>; clock-names = "fck"; power-domains = <&cpg>; - resets = <&cpg R9A07G044_CLK_SCIF0>; + resets = <&cpg R9A07G044_SCIF0_RST_SYSTEM_N>; status = "disabled"; }; diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig index b8eb0453123d..55f19450091b 100644 --- a/arch/arm64/crypto/Kconfig +++ b/arch/arm64/crypto/Kconfig @@ -51,7 +51,7 @@ config CRYPTO_SM4_ARM64_CE tristate "SM4 symmetric cipher (ARMv8.2 Crypto Extensions)" depends on KERNEL_MODE_NEON select CRYPTO_ALGAPI - select CRYPTO_SM4 + select CRYPTO_LIB_SM4 config CRYPTO_GHASH_ARM64_CE tristate "GHASH/AES-GCM using ARMv8 Crypto Extensions" diff --git a/arch/arm64/crypto/sm4-ce-glue.c b/arch/arm64/crypto/sm4-ce-glue.c index 2754c875d39c..9c93cfc4841b 100644 --- a/arch/arm64/crypto/sm4-ce-glue.c +++ b/arch/arm64/crypto/sm4-ce-glue.c @@ -17,12 +17,20 @@ MODULE_LICENSE("GPL v2"); asmlinkage void sm4_ce_do_crypt(const u32 *rk, void *out, const void *in); +static int sm4_ce_setkey(struct crypto_tfm *tfm, const u8 *key, + unsigned int key_len) +{ + struct sm4_ctx *ctx = crypto_tfm_ctx(tfm); + + return sm4_expandkey(ctx, key, key_len); +} + static void sm4_ce_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { - const struct crypto_sm4_ctx *ctx = crypto_tfm_ctx(tfm); + const struct sm4_ctx *ctx = crypto_tfm_ctx(tfm); if (!crypto_simd_usable()) { - crypto_sm4_encrypt(tfm, out, in); + sm4_crypt_block(ctx->rkey_enc, out, in); } else { kernel_neon_begin(); sm4_ce_do_crypt(ctx->rkey_enc, out, in); @@ -32,10 +40,10 @@ static void sm4_ce_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) static void sm4_ce_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { - const struct crypto_sm4_ctx *ctx = crypto_tfm_ctx(tfm); + const struct sm4_ctx *ctx = crypto_tfm_ctx(tfm); if (!crypto_simd_usable()) { - crypto_sm4_decrypt(tfm, out, in); + sm4_crypt_block(ctx->rkey_dec, out, in); } else { kernel_neon_begin(); sm4_ce_do_crypt(ctx->rkey_dec, out, in); @@ -49,12 +57,12 @@ static struct crypto_alg sm4_ce_alg = { .cra_priority = 200, .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = SM4_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct crypto_sm4_ctx), + .cra_ctxsize = sizeof(struct sm4_ctx), .cra_module = THIS_MODULE, .cra_u.cipher = { .cia_min_keysize = SM4_KEY_SIZE, .cia_max_keysize = SM4_KEY_SIZE, - .cia_setkey = crypto_sm4_set_key, + .cia_setkey = sm4_ce_setkey, .cia_encrypt = sm4_ce_encrypt, .cia_decrypt = sm4_ce_decrypt } diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index bd68e1b7f29f..7535dc7cc5aa 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -50,6 +50,9 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr); void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size); #define acpi_os_ioremap acpi_os_ioremap +void __iomem *acpi_os_memmap(acpi_physical_address phys, acpi_size size); +#define acpi_os_memmap acpi_os_memmap + typedef u64 phys_cpuid_t; #define PHYS_CPUID_INVALID INVALID_HWID diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h index a9c0716e7440..a074459f8f2f 100644 --- a/arch/arm64/include/asm/cache.h +++ b/arch/arm64/include/asm/cache.h @@ -47,7 +47,7 @@ * cache before the transfer is done, causing old data to be seen by * the CPU. */ -#define ARCH_DMA_MINALIGN L1_CACHE_BYTES +#define ARCH_DMA_MINALIGN (128) #ifdef CONFIG_KASAN_SW_TAGS #define ARCH_SLAB_MINALIGN (1ULL << KASAN_SHADOW_SCALE_SHIFT) diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 23a9fb73c04f..79c1a750e357 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -5,6 +5,9 @@ #ifndef __ASM_COMPAT_H #define __ASM_COMPAT_H +#define compat_mode_t compat_mode_t +typedef u16 compat_mode_t; + #include <asm-generic/compat.h> #ifdef CONFIG_COMPAT @@ -27,13 +30,9 @@ typedef u16 __compat_uid_t; typedef u16 __compat_gid_t; typedef u16 __compat_uid16_t; typedef u16 __compat_gid16_t; -typedef u32 __compat_uid32_t; -typedef u32 __compat_gid32_t; -typedef u16 compat_mode_t; typedef u32 compat_dev_t; typedef s32 compat_nlink_t; typedef u16 compat_ipc_pid_t; -typedef u32 compat_caddr_t; typedef __kernel_fsid_t compat_fsid_t; struct compat_stat { @@ -103,13 +102,6 @@ struct compat_statfs { #define COMPAT_RLIM_INFINITY 0xffffffff -typedef u32 compat_old_sigset_t; - -#define _COMPAT_NSIG 64 -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - #define COMPAT_OFF_T_MAX 0x7fffffff #define compat_user_stack_pointer() (user_stack_pointer(task_pt_regs(current))) diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h index 1bed37eb013a..d3e1825337be 100644 --- a/arch/arm64/include/asm/efi.h +++ b/arch/arm64/include/asm/efi.h @@ -14,6 +14,7 @@ #ifdef CONFIG_EFI extern void efi_init(void); +extern void efifb_setup_from_dmi(struct screen_info *si, const char *opt); #else #define efi_init() #endif @@ -85,10 +86,6 @@ static inline void free_screen_info(struct screen_info *si) { } -static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt) -{ -} - #define EFI_ALLOC_ALIGN SZ_64K /* diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h index 21fa330f498d..b83fb24954b7 100644 --- a/arch/arm64/include/asm/el2_setup.h +++ b/arch/arm64/include/asm/el2_setup.h @@ -33,8 +33,7 @@ * EL2. */ .macro __init_el2_timers - mrs x0, cnthctl_el2 - orr x0, x0, #3 // Enable EL1 physical timers + mov x0, #3 // Enable EL1 physical timers msr cnthctl_el2, x0 msr cntvoff_el2, xzr // Clear virtual offset .endm diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h index 993a27ea6f54..f98c91bbd7c1 100644 --- a/arch/arm64/include/asm/page.h +++ b/arch/arm64/include/asm/page.h @@ -41,6 +41,7 @@ void tag_clear_highpage(struct page *to); typedef struct page *pgtable_t; +int pfn_valid(unsigned long pfn); int pfn_is_map_memory(unsigned long pfn); #include <asm/memory.h> diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index e58bca832dff..41b332c054ab 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -320,7 +320,17 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) static inline unsigned long regs_return_value(struct pt_regs *regs) { - return regs->regs[0]; + unsigned long val = regs->regs[0]; + + /* + * Audit currently uses regs_return_value() instead of + * syscall_get_return_value(). Apply the same sign-extension here until + * audit is updated to use syscall_get_return_value(). + */ + if (compat_user_mode(regs)) + val = sign_extend64(val, 31); + + return val; } static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc) diff --git a/arch/arm64/include/asm/smp_plat.h b/arch/arm64/include/asm/smp_plat.h index 99ad77df8f52..97ddc6c203b7 100644 --- a/arch/arm64/include/asm/smp_plat.h +++ b/arch/arm64/include/asm/smp_plat.h @@ -10,6 +10,7 @@ #include <linux/cpumask.h> +#include <asm/smp.h> #include <asm/types.h> struct mpidr_hash { diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h index 1801399204d7..8aebc00c1718 100644 --- a/arch/arm64/include/asm/stacktrace.h +++ b/arch/arm64/include/asm/stacktrace.h @@ -35,7 +35,7 @@ struct stack_info { * accounting information necessary for robust unwinding. * * @fp: The fp value in the frame record (or the real fp) - * @pc: The fp value in the frame record (or the real lr) + * @pc: The lr value in the frame record (or the real lr) * * @stacks_done: Stacks which have been entirely unwound, for which it is no * longer valid to unwind to. diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h index cfc0672013f6..03e20895453a 100644 --- a/arch/arm64/include/asm/syscall.h +++ b/arch/arm64/include/asm/syscall.h @@ -29,22 +29,23 @@ static inline void syscall_rollback(struct task_struct *task, regs->regs[0] = regs->orig_x0; } - -static inline long syscall_get_error(struct task_struct *task, - struct pt_regs *regs) +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) { - unsigned long error = regs->regs[0]; + unsigned long val = regs->regs[0]; if (is_compat_thread(task_thread_info(task))) - error = sign_extend64(error, 31); + val = sign_extend64(val, 31); - return IS_ERR_VALUE(error) ? error : 0; + return val; } -static inline long syscall_get_return_value(struct task_struct *task, - struct pt_regs *regs) +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) { - return regs->regs[0]; + unsigned long error = syscall_get_return_value(task, regs); + + return IS_ERR_VALUE(error) ? error : 0; } static inline void syscall_set_return_value(struct task_struct *task, diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index cce308586fcc..3f1490bfb938 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -17,7 +17,7 @@ CFLAGS_syscall.o += -fno-stack-protector # It's not safe to invoke KCOV when portions of the kernel environment aren't # available or are out-of-sync with HW state. Since `noinstr` doesn't always # inhibit KCOV instrumentation, disable it for the entire compilation unit. -KCOV_INSTRUMENT_entry.o := n +KCOV_INSTRUMENT_entry-common.o := n KCOV_INSTRUMENT_idle.o := n # Object file lists. diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c index f3851724fe35..1c9c2f7a1c04 100644 --- a/arch/arm64/kernel/acpi.c +++ b/arch/arm64/kernel/acpi.c @@ -273,7 +273,8 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr) return __pgprot(PROT_DEVICE_nGnRnE); } -void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) +static void __iomem *__acpi_os_ioremap(acpi_physical_address phys, + acpi_size size, bool memory) { efi_memory_desc_t *md, *region = NULL; pgprot_t prot; @@ -299,9 +300,11 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) * It is fine for AML to remap regions that are not represented in the * EFI memory map at all, as it only describes normal memory, and MMIO * regions that require a virtual mapping to make them accessible to - * the EFI runtime services. + * the EFI runtime services. Determine the region default + * attributes by checking the requested memory semantics. */ - prot = __pgprot(PROT_DEVICE_nGnRnE); + prot = memory ? __pgprot(PROT_NORMAL_NC) : + __pgprot(PROT_DEVICE_nGnRnE); if (region) { switch (region->type) { case EFI_LOADER_CODE: @@ -361,6 +364,16 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) return __ioremap(phys, size, prot); } +void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) +{ + return __acpi_os_ioremap(phys, size, false); +} + +void __iomem *acpi_os_memmap(acpi_physical_address phys, acpi_size size) +{ + return __acpi_os_ioremap(phys, size, true); +} + /* * Claim Synchronous External Aborts as a firmware first notification. * diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 125d5c9471ac..0ead8bfedf20 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -81,6 +81,7 @@ #include <asm/mmu_context.h> #include <asm/mte.h> #include <asm/processor.h> +#include <asm/smp.h> #include <asm/sysreg.h> #include <asm/traps.h> #include <asm/virt.h> diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c index 12ce14a98b7c..db8b2e2d02c2 100644 --- a/arch/arm64/kernel/entry-common.c +++ b/arch/arm64/kernel/entry-common.c @@ -604,7 +604,7 @@ asmlinkage void noinstr el0t_64_fiq_handler(struct pt_regs *regs) __el0_fiq_handler_common(regs); } -static void __el0_error_handler_common(struct pt_regs *regs) +static void noinstr __el0_error_handler_common(struct pt_regs *regs) { unsigned long esr = read_sysreg(esr_el1); diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c index cfa2cfde3019..418b2bba1521 100644 --- a/arch/arm64/kernel/kaslr.c +++ b/arch/arm64/kernel/kaslr.c @@ -162,7 +162,9 @@ u64 __init kaslr_early_init(void) * a PAGE_SIZE multiple in the range [_etext - MODULES_VSIZE, * _stext) . This guarantees that the resulting region still * covers [_stext, _etext], and that all relative branches can - * be resolved without veneers. + * be resolved without veneers unless this region is exhausted + * and we fall back to a larger 2GB window in module_alloc() + * when ARM64_MODULE_PLTS is enabled. */ module_range = MODULES_VSIZE - (u64)(_etext - _stext); module_alloc_base = (u64)_etext + offset - MODULES_VSIZE; diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c index 69b3fde8759e..36f51b0e438a 100644 --- a/arch/arm64/kernel/mte.c +++ b/arch/arm64/kernel/mte.c @@ -193,18 +193,6 @@ void mte_check_tfsr_el1(void) } #endif -static void update_gcr_el1_excl(u64 excl) -{ - - /* - * Note that the mask controlled by the user via prctl() is an - * include while GCR_EL1 accepts an exclude mask. - * No need for ISB since this only affects EL0 currently, implicit - * with ERET. - */ - sysreg_clear_set_s(SYS_GCR_EL1, SYS_GCR_EL1_EXCL_MASK, excl); -} - static void set_gcr_el1_excl(u64 excl) { current->thread.gcr_user_excl = excl; @@ -265,7 +253,8 @@ void mte_suspend_exit(void) if (!system_supports_mte()) return; - update_gcr_el1_excl(gcr_kernel_excl); + sysreg_clear_set_s(SYS_GCR_EL1, SYS_GCR_EL1_EXCL_MASK, gcr_kernel_excl); + isb(); } long set_mte_ctrl(struct task_struct *task, unsigned long arg) diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 499b6b2f9757..b381a1ee9ea7 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -1862,7 +1862,7 @@ void syscall_trace_exit(struct pt_regs *regs) audit_syscall_exit(regs); if (flags & _TIF_SYSCALL_TRACEPOINT) - trace_sys_exit(regs, regs_return_value(regs)); + trace_sys_exit(regs, syscall_get_return_value(current, regs)); if (flags & (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP)) tracehook_report_syscall(regs, PTRACE_SYSCALL_EXIT); diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index d3721e01441b..1a0e2b56378b 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -29,6 +29,7 @@ #include <asm/unistd.h> #include <asm/fpsimd.h> #include <asm/ptrace.h> +#include <asm/syscall.h> #include <asm/signal32.h> #include <asm/traps.h> #include <asm/vdso.h> @@ -890,7 +891,7 @@ static void do_signal(struct pt_regs *regs) retval == -ERESTART_RESTARTBLOCK || (retval == -ERESTARTSYS && !(ksig.ka.sa.sa_flags & SA_RESTART)))) { - regs->regs[0] = -EINTR; + syscall_set_return_value(current, regs, -EINTR, 0); regs->pc = continue_addr; } diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S index d3d37f932b97..487381164ff6 100644 --- a/arch/arm64/kernel/smccc-call.S +++ b/arch/arm64/kernel/smccc-call.S @@ -32,20 +32,23 @@ SYM_FUNC_END(__arm_smccc_sve_check) EXPORT_SYMBOL(__arm_smccc_sve_check) .macro SMCCC instr + stp x29, x30, [sp, #-16]! + mov x29, sp alternative_if ARM64_SVE bl __arm_smccc_sve_check alternative_else_nop_endif \instr #0 - ldr x4, [sp] + ldr x4, [sp, #16] stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS] stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS] - ldr x4, [sp, #8] + ldr x4, [sp, #24] cbz x4, 1f /* no quirk structure */ ldr x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS] cmp x9, #ARM_SMCCC_QUIRK_QCOM_A6 b.ne 1f str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS] -1: ret +1: ldp x29, x30, [sp], #16 + ret .endm /* diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index b83c8d911930..8982a2b78acf 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -218,7 +218,7 @@ void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl) #ifdef CONFIG_STACKTRACE -noinline void arch_stack_walk(stack_trace_consume_fn consume_entry, +noinline notrace void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie, struct task_struct *task, struct pt_regs *regs) { diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c index 263d6c1a525f..50a0f1a38e84 100644 --- a/arch/arm64/kernel/syscall.c +++ b/arch/arm64/kernel/syscall.c @@ -54,10 +54,7 @@ static void invoke_syscall(struct pt_regs *regs, unsigned int scno, ret = do_ni_syscall(regs, scno); } - if (is_compat_task()) - ret = lower_32_bits(ret); - - regs->regs[0] = ret; + syscall_set_return_value(current, regs, 0, ret); /* * Ultimately, this value will get limited by KSTACK_OFFSET_MAX(), @@ -115,7 +112,7 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr, * syscall. do_notify_resume() will send a signal to userspace * before the syscall is restarted. */ - regs->regs[0] = -ERESTARTNOINTR; + syscall_set_return_value(current, regs, -ERESTARTNOINTR, 0); return; } @@ -136,7 +133,7 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr, * anyway. */ if (scno == NO_SYSCALL) - regs->regs[0] = -ENOSYS; + syscall_set_return_value(current, regs, -ENOSYS, 0); scno = syscall_trace_enter(regs); if (scno == NO_SYSCALL) goto trace_exit; diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index e9a2b8f27792..0ca72f5cda41 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -94,10 +94,14 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm, kvm->arch.return_nisv_io_abort_to_user = true; break; case KVM_CAP_ARM_MTE: - if (!system_supports_mte() || kvm->created_vcpus) - return -EINVAL; - r = 0; - kvm->arch.mte_enabled = true; + mutex_lock(&kvm->lock); + if (!system_supports_mte() || kvm->created_vcpus) { + r = -EINVAL; + } else { + r = 0; + kvm->arch.mte_enabled = true; + } + mutex_unlock(&kvm->lock); break; default: r = -EINVAL; diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c index d938ce95d3bd..a6ce991b1467 100644 --- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c +++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c @@ -193,7 +193,7 @@ static bool range_is_memory(u64 start, u64 end) { struct kvm_mem_range r1, r2; - if (!find_mem_range(start, &r1) || !find_mem_range(end, &r2)) + if (!find_mem_range(start, &r1) || !find_mem_range(end - 1, &r2)) return false; if (r1.start != r2.start) return false; diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 3155c9e778f0..0625bf2353c2 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -947,7 +947,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, vma_shift = get_vma_page_shift(vma, hva); } - shared = (vma->vm_flags & VM_PFNMAP); + shared = (vma->vm_flags & VM_SHARED); switch (vma_shift) { #ifndef __PAGETABLE_PMD_FOLDED diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S index 95cd62d67371..2cf999e41d30 100644 --- a/arch/arm64/lib/copy_from_user.S +++ b/arch/arm64/lib/copy_from_user.S @@ -29,7 +29,7 @@ .endm .macro ldrh1 reg, ptr, val - user_ldst 9998f, ldtrh, \reg, \ptr, \val + user_ldst 9997f, ldtrh, \reg, \ptr, \val .endm .macro strh1 reg, ptr, val @@ -37,7 +37,7 @@ .endm .macro ldr1 reg, ptr, val - user_ldst 9998f, ldtr, \reg, \ptr, \val + user_ldst 9997f, ldtr, \reg, \ptr, \val .endm .macro str1 reg, ptr, val @@ -45,7 +45,7 @@ .endm .macro ldp1 reg1, reg2, ptr, val - user_ldp 9998f, \reg1, \reg2, \ptr, \val + user_ldp 9997f, \reg1, \reg2, \ptr, \val .endm .macro stp1 reg1, reg2, ptr, val @@ -53,8 +53,10 @@ .endm end .req x5 +srcin .req x15 SYM_FUNC_START(__arch_copy_from_user) add end, x0, x2 + mov srcin, x1 #include "copy_template.S" mov x0, #0 // Nothing to copy ret @@ -63,6 +65,11 @@ EXPORT_SYMBOL(__arch_copy_from_user) .section .fixup,"ax" .align 2 +9997: cmp dst, dstin + b.ne 9998f + // Before being absolutely sure we couldn't copy anything, try harder +USER(9998f, ldtrb tmp1w, [srcin]) + strb tmp1w, [dst], #1 9998: sub x0, end, dst // bytes not copied ret .previous diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S index 1f61cd0df062..dbea3799c3ef 100644 --- a/arch/arm64/lib/copy_in_user.S +++ b/arch/arm64/lib/copy_in_user.S @@ -30,33 +30,34 @@ .endm .macro ldrh1 reg, ptr, val - user_ldst 9998f, ldtrh, \reg, \ptr, \val + user_ldst 9997f, ldtrh, \reg, \ptr, \val .endm .macro strh1 reg, ptr, val - user_ldst 9998f, sttrh, \reg, \ptr, \val + user_ldst 9997f, sttrh, \reg, \ptr, \val .endm .macro ldr1 reg, ptr, val - user_ldst 9998f, ldtr, \reg, \ptr, \val + user_ldst 9997f, ldtr, \reg, \ptr, \val .endm .macro str1 reg, ptr, val - user_ldst 9998f, sttr, \reg, \ptr, \val + user_ldst 9997f, sttr, \reg, \ptr, \val .endm .macro ldp1 reg1, reg2, ptr, val - user_ldp 9998f, \reg1, \reg2, \ptr, \val + user_ldp 9997f, \reg1, \reg2, \ptr, \val .endm .macro stp1 reg1, reg2, ptr, val - user_stp 9998f, \reg1, \reg2, \ptr, \val + user_stp 9997f, \reg1, \reg2, \ptr, \val .endm end .req x5 - +srcin .req x15 SYM_FUNC_START(__arch_copy_in_user) add end, x0, x2 + mov srcin, x1 #include "copy_template.S" mov x0, #0 ret @@ -65,6 +66,12 @@ EXPORT_SYMBOL(__arch_copy_in_user) .section .fixup,"ax" .align 2 +9997: cmp dst, dstin + b.ne 9998f + // Before being absolutely sure we couldn't copy anything, try harder +USER(9998f, ldtrb tmp1w, [srcin]) +USER(9998f, sttrb tmp1w, [dst]) + add dst, dst, #1 9998: sub x0, end, dst // bytes not copied ret .previous diff --git a/arch/arm64/lib/copy_to_user.S b/arch/arm64/lib/copy_to_user.S index 043da90f5dd7..9f380eecf653 100644 --- a/arch/arm64/lib/copy_to_user.S +++ b/arch/arm64/lib/copy_to_user.S @@ -32,7 +32,7 @@ .endm .macro strh1 reg, ptr, val - user_ldst 9998f, sttrh, \reg, \ptr, \val + user_ldst 9997f, sttrh, \reg, \ptr, \val .endm .macro ldr1 reg, ptr, val @@ -40,7 +40,7 @@ .endm .macro str1 reg, ptr, val - user_ldst 9998f, sttr, \reg, \ptr, \val + user_ldst 9997f, sttr, \reg, \ptr, \val .endm .macro ldp1 reg1, reg2, ptr, val @@ -48,12 +48,14 @@ .endm .macro stp1 reg1, reg2, ptr, val - user_stp 9998f, \reg1, \reg2, \ptr, \val + user_stp 9997f, \reg1, \reg2, \ptr, \val .endm end .req x5 +srcin .req x15 SYM_FUNC_START(__arch_copy_to_user) add end, x0, x2 + mov srcin, x1 #include "copy_template.S" mov x0, #0 ret @@ -62,6 +64,12 @@ EXPORT_SYMBOL(__arch_copy_to_user) .section .fixup,"ax" .align 2 +9997: cmp dst, dstin + b.ne 9998f + // Before being absolutely sure we couldn't copy anything, try harder + ldrb tmp1w, [srcin] +USER(9998f, sttrb tmp1w, [dst]) + add dst, dst, #1 9998: sub x0, end, dst // bytes not copied ret .previous diff --git a/arch/arm64/lib/strlen.S b/arch/arm64/lib/strlen.S index 35fbdb7d6e1a..1648790e91b3 100644 --- a/arch/arm64/lib/strlen.S +++ b/arch/arm64/lib/strlen.S @@ -8,6 +8,7 @@ #include <linux/linkage.h> #include <asm/assembler.h> +#include <asm/mte-def.h> /* Assumptions: * @@ -42,7 +43,16 @@ #define REP8_7f 0x7f7f7f7f7f7f7f7f #define REP8_80 0x8080808080808080 +/* + * When KASAN_HW_TAGS is in use, memory is checked at MTE_GRANULE_SIZE + * (16-byte) granularity, and we must ensure that no access straddles this + * alignment boundary. + */ +#ifdef CONFIG_KASAN_HW_TAGS +#define MIN_PAGE_SIZE MTE_GRANULE_SIZE +#else #define MIN_PAGE_SIZE 4096 +#endif /* Since strings are short on average, we check the first 16 bytes of the string for a NUL character. In order to do an unaligned ldp diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 8490ed2917ff..1fdb7bb7c198 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -219,6 +219,43 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) free_area_init(max_zone_pfns); } +int pfn_valid(unsigned long pfn) +{ + phys_addr_t addr = PFN_PHYS(pfn); + struct mem_section *ms; + + /* + * Ensure the upper PAGE_SHIFT bits are clear in the + * pfn. Else it might lead to false positives when + * some of the upper bits are set, but the lower bits + * match a valid pfn. + */ + if (PHYS_PFN(addr) != pfn) + return 0; + + if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS) + return 0; + + ms = __pfn_to_section(pfn); + if (!valid_section(ms)) + return 0; + + /* + * ZONE_DEVICE memory does not have the memblock entries. + * memblock_is_map_memory() check for ZONE_DEVICE based + * addresses will always fail. Even the normal hotplugged + * memory will never have MEMBLOCK_NOMAP flag set in their + * memblock entries. Skip memblock search for all non early + * memory sections covering all of hotplug memory including + * both normal and ZONE_DEVICE based. + */ + if (!early_section(ms)) + return pfn_section_valid(ms, pfn); + + return memblock_is_memory(addr); +} +EXPORT_SYMBOL(pfn_valid); + int pfn_is_map_memory(unsigned long pfn) { phys_addr_t addr = PFN_PHYS(pfn); diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index d74586508448..9ff0de1b2b93 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -1339,7 +1339,6 @@ void *__init fixmap_remap_fdt(phys_addr_t dt_phys, int *size, pgprot_t prot) return dt_virt; } -#if CONFIG_PGTABLE_LEVELS > 3 int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot) { pud_t new_pud = pfn_pud(__phys_to_pfn(phys), mk_pud_sect_prot(prot)); @@ -1354,16 +1353,6 @@ int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot) return 1; } -int pud_clear_huge(pud_t *pudp) -{ - if (!pud_sect(READ_ONCE(*pudp))) - return 0; - pud_clear(pudp); - return 1; -} -#endif - -#if CONFIG_PGTABLE_LEVELS > 2 int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot) { pmd_t new_pmd = pfn_pmd(__phys_to_pfn(phys), mk_pmd_sect_prot(prot)); @@ -1378,6 +1367,14 @@ int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot) return 1; } +int pud_clear_huge(pud_t *pudp) +{ + if (!pud_sect(READ_ONCE(*pudp))) + return 0; + pud_clear(pudp); + return 1; +} + int pmd_clear_huge(pmd_t *pmdp) { if (!pmd_sect(READ_ONCE(*pmdp))) @@ -1385,7 +1382,6 @@ int pmd_clear_huge(pmd_t *pmdp) pmd_clear(pmdp); return 1; } -#endif int pmd_free_pte_page(pmd_t *pmdp, unsigned long addr) { diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index dccf98a37283..41c23f474ea6 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -823,6 +823,19 @@ emit_cond_jmp: return ret; break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + /* + * Nothing required here. + * + * In case of arm64, we rely on the firmware mitigation of + * Speculative Store Bypass as controlled via the ssbd kernel + * parameter. Whenever the mitigation is enabled, it works + * for all of the kernel code with no need to provide any + * additional instructions. + */ + break; + /* ST: *(size *)(dst + off) = imm */ case BPF_ST | BPF_MEM | BPF_W: case BPF_ST | BPF_MEM | BPF_H: diff --git a/arch/h8300/Kconfig.cpu b/arch/h8300/Kconfig.cpu index b5e14d513e62..c30baa0499fc 100644 --- a/arch/h8300/Kconfig.cpu +++ b/arch/h8300/Kconfig.cpu @@ -44,7 +44,6 @@ config H8300_H8MAX bool "H8MAX" select H83069 select RAMKERNEL - select HAVE_IDE help H8MAX Evaluation Board Support More Information. (Japanese Only) diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index cf425c2c63af..4993c7ac7ff6 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -25,7 +25,6 @@ config IA64 select HAVE_ASM_MODVERSIONS select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_EXIT_THREAD - select HAVE_IDE select HAVE_KPROBES select HAVE_KRETPROBES select HAVE_FTRACE_MCOUNT_RECORD diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 96989ad46f66..d632a1d576f9 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -23,7 +23,6 @@ config M68K select HAVE_DEBUG_BUGVERBOSE select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED select HAVE_FUTEX_CMPXCHG if MMU && FUTEX - select HAVE_IDE select HAVE_MOD_ARCH_SPECIFIC select HAVE_UID16 select MMU_GATHER_NO_RANGE if MMU diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 29e946394fdb..277d61a09463 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -26,6 +26,7 @@ config COLDFIRE bool "Coldfire CPU family support" select ARCH_HAVE_CUSTOM_GPIO_H select CPU_HAS_NO_BITFIELDS + select CPU_HAS_NO_CAS select CPU_HAS_NO_MULDIV64 select GENERIC_CSUM select GPIOLIB @@ -39,6 +40,7 @@ config M68000 bool depends on !MMU select CPU_HAS_NO_BITFIELDS + select CPU_HAS_NO_CAS select CPU_HAS_NO_MULDIV64 select CPU_HAS_NO_UNALIGNED select GENERIC_CSUM @@ -54,6 +56,7 @@ config M68000 config MCPU32 bool select CPU_HAS_NO_BITFIELDS + select CPU_HAS_NO_CAS select CPU_HAS_NO_UNALIGNED select CPU_NO_EFFICIENT_FFS help @@ -383,7 +386,7 @@ config ADVANCED config RMW_INSNS bool "Use read-modify-write instructions" - depends on ADVANCED + depends on ADVANCED && !CPU_HAS_NO_CAS help This allows to use certain instructions that work with indivisible read-modify-write bus cycles. While this is faster than the @@ -450,6 +453,9 @@ config M68K_L2_CACHE config CPU_HAS_NO_BITFIELDS bool +config CPU_HAS_NO_CAS + bool + config CPU_HAS_NO_MULDIV64 bool diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine index d964c1f27399..6a07a6817885 100644 --- a/arch/m68k/Kconfig.machine +++ b/arch/m68k/Kconfig.machine @@ -33,6 +33,7 @@ config MAC depends on MMU select MMU_MOTOROLA if MMU select HAVE_ARCH_NVRAM_OPS + select HAVE_PATA_PLATFORM select LEGACY_TIMER_TICK help This option enables support for the Apple Macintosh series of diff --git a/arch/m68k/coldfire/m525x.c b/arch/m68k/coldfire/m525x.c index 2c4d2ca2f20d..485375112e28 100644 --- a/arch/m68k/coldfire/m525x.c +++ b/arch/m68k/coldfire/m525x.c @@ -26,7 +26,7 @@ DEFINE_CLK(pll, "pll.0", MCF_CLK); DEFINE_CLK(sys, "sys.0", MCF_BUSCLK); static struct clk_lookup m525x_clk_lookup[] = { - CLKDEV_INIT(NULL, "pll.0", &pll), + CLKDEV_INIT(NULL, "pll.0", &clk_pll), CLKDEV_INIT(NULL, "sys.0", &clk_sys), CLKDEV_INIT("mcftmr.0", NULL, &clk_sys), CLKDEV_INIT("mcftmr.1", NULL, &clk_sys), diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index 0a2cacf7be08..5f536286f5fc 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -84,6 +84,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -323,7 +324,6 @@ CONFIG_CDROM_PKTCDVD=m CONFIG_ATA_OVER_ETH=m CONFIG_DUMMY_IRQ=m CONFIG_RAID_ATTRS=m -CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_ST=m CONFIG_BLK_DEV_SR=y @@ -502,6 +502,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -616,6 +617,7 @@ CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m +CONFIG_GLOB_SELFTEST=m CONFIG_STRING_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -624,7 +626,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -636,6 +637,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index 4dc6dcfaf28a..d9568644051a 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -80,6 +80,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -458,6 +459,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -580,7 +582,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -592,6 +593,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index 23d910a692ab..dbf1960c6669 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -87,6 +87,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -324,7 +325,6 @@ CONFIG_CDROM_PKTCDVD=m CONFIG_ATA_OVER_ETH=m CONFIG_DUMMY_IRQ=m CONFIG_RAID_ATTRS=m -CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_ST=m CONFIG_BLK_DEV_SR=y @@ -480,6 +480,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -594,6 +595,7 @@ CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m +CONFIG_GLOB_SELFTEST=m CONFIG_STRING_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -602,7 +604,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -614,6 +615,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index 2c3f42833846..7620db3e33e7 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -77,6 +77,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -451,6 +452,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -573,7 +575,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -585,6 +586,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index 5b1898d4b249..113a02d47ebb 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -79,6 +79,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -460,6 +461,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -582,7 +584,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -594,6 +595,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index 9606ccd8dafa..a8e006e8da66 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -78,6 +78,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -315,7 +316,6 @@ CONFIG_CDROM_PKTCDVD=m CONFIG_ATA_OVER_ETH=m CONFIG_DUMMY_IRQ=m CONFIG_RAID_ATTRS=m -CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_ST=m CONFIG_BLK_DEV_SR=y @@ -482,6 +482,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -596,6 +597,7 @@ CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m +CONFIG_GLOB_SELFTEST=m CONFIG_STRING_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -604,7 +606,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -616,6 +617,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index 3175ba5007e1..b6655907a1f3 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -98,6 +98,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -344,7 +345,6 @@ CONFIG_CDROM_PKTCDVD=m CONFIG_ATA_OVER_ETH=m CONFIG_DUMMY_IRQ=m CONFIG_RAID_ATTRS=m -CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_ST=m CONFIG_BLK_DEV_SR=y @@ -567,6 +567,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -681,6 +682,7 @@ CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m +CONFIG_GLOB_SELFTEST=m CONFIG_STRING_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -689,7 +691,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -701,6 +702,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index 793085f00c99..563ba47db8c6 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -76,6 +76,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -450,6 +451,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -572,7 +574,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -584,6 +585,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index 56fbac7943b2..9f1b44de4706 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -77,6 +77,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -451,6 +452,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -573,7 +575,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -585,6 +586,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index 0e15431b65e2..1993433d0840 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -78,6 +78,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -314,7 +315,6 @@ CONFIG_CDROM_PKTCDVD=m CONFIG_ATA_OVER_ETH=m CONFIG_DUMMY_IRQ=m CONFIG_RAID_ATTRS=m -CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_ST=m CONFIG_BLK_DEV_SR=y @@ -469,6 +469,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -583,6 +584,7 @@ CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m +CONFIG_GLOB_SELFTEST=m CONFIG_STRING_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -591,7 +593,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -603,6 +604,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/stmark2_defconfig b/arch/m68k/configs/stmark2_defconfig index d92306472fce..8898ae321779 100644 --- a/arch/m68k/configs/stmark2_defconfig +++ b/arch/m68k/configs/stmark2_defconfig @@ -22,7 +22,6 @@ CONFIG_RAMSIZE=0x8000000 CONFIG_VECTORBASE=0x40000000 CONFIG_KERNELBASE=0x40001000 # CONFIG_BLK_DEV_BSG is not set -CONFIG_BLK_CMDLINE_PARSER=y CONFIG_BINFMT_FLAT=y CONFIG_BINFMT_ZFLAT=y CONFIG_BINFMT_MISC=y diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index 3490a05f29b8..56dbc63cef5b 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -74,6 +74,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -453,6 +454,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -574,7 +576,6 @@ CONFIG_TEST_LOCKUP=m CONFIG_WW_MUTEX_SELFTEST=m CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -586,6 +587,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index 4e92c8c332fc..6bd1bba81ac3 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -74,6 +74,7 @@ CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m CONFIG_IPV6_GRE=m CONFIG_NETFILTER=y +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_ZONES=y # CONFIG_NF_CONNTRACK_PROCFS is not set @@ -452,6 +453,7 @@ CONFIG_ROOT_NFS=y CONFIG_NFSD=m CONFIG_NFSD_V3=y CONFIG_CIFS=m +# CONFIG_CIFS_STATS2 is not set # CONFIG_CIFS_DEBUG is not set CONFIG_CODA_FS=m CONFIG_NLS_CODEPAGE_437=y @@ -574,7 +576,6 @@ CONFIG_WW_MUTEX_SELFTEST=m CONFIG_EARLY_PRINTK=y CONFIG_KUNIT=m CONFIG_KUNIT_ALL_TESTS=m -CONFIG_TEST_LIST_SORT=m CONFIG_TEST_MIN_HEAP=m CONFIG_TEST_SORT=m CONFIG_TEST_DIV64=m @@ -586,6 +587,7 @@ CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_STRSCPY=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/emu/nfcon.c b/arch/m68k/emu/nfcon.c index 92636c89d65b..557d60867f98 100644 --- a/arch/m68k/emu/nfcon.c +++ b/arch/m68k/emu/nfcon.c @@ -120,35 +120,37 @@ early_param("debug", nf_debug_setup); static int __init nfcon_init(void) { + struct tty_driver *driver; int res; stderr_id = nf_get_id("NF_STDERR"); if (!stderr_id) return -ENODEV; - nfcon_tty_driver = alloc_tty_driver(1); - if (!nfcon_tty_driver) - return -ENOMEM; + driver = tty_alloc_driver(1, TTY_DRIVER_REAL_RAW); + if (IS_ERR(driver)) + return PTR_ERR(driver); tty_port_init(&nfcon_tty_port); - nfcon_tty_driver->driver_name = "nfcon"; - nfcon_tty_driver->name = "nfcon"; - nfcon_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM; - nfcon_tty_driver->subtype = SYSTEM_TYPE_TTY; - nfcon_tty_driver->init_termios = tty_std_termios; - nfcon_tty_driver->flags = TTY_DRIVER_REAL_RAW; + driver->driver_name = "nfcon"; + driver->name = "nfcon"; + driver->type = TTY_DRIVER_TYPE_SYSTEM; + driver->subtype = SYSTEM_TYPE_TTY; + driver->init_termios = tty_std_termios; - tty_set_operations(nfcon_tty_driver, &nfcon_tty_ops); - tty_port_link_device(&nfcon_tty_port, nfcon_tty_driver, 0); - res = tty_register_driver(nfcon_tty_driver); + tty_set_operations(driver, &nfcon_tty_ops); + tty_port_link_device(&nfcon_tty_port, driver, 0); + res = tty_register_driver(driver); if (res) { pr_err("failed to register nfcon tty driver\n"); - put_tty_driver(nfcon_tty_driver); + tty_driver_kref_put(driver); tty_port_destroy(&nfcon_tty_port); return res; } + nfcon_tty_driver = driver; + if (!(nf_console.flags & CON_ENABLED)) register_console(&nf_console); @@ -159,7 +161,7 @@ static void __exit nfcon_exit(void) { unregister_console(&nf_console); tty_unregister_driver(nfcon_tty_driver); - put_tty_driver(nfcon_tty_driver); + tty_driver_kref_put(nfcon_tty_driver); tty_port_destroy(&nfcon_tty_port); } diff --git a/arch/m68k/emu/nfeth.c b/arch/m68k/emu/nfeth.c index d2875e32abfc..79e55421cfb1 100644 --- a/arch/m68k/emu/nfeth.c +++ b/arch/m68k/emu/nfeth.c @@ -254,8 +254,8 @@ static void __exit nfeth_cleanup(void) for (i = 0; i < MAX_UNIT; i++) { if (nfeth_dev[i]) { - unregister_netdev(nfeth_dev[0]); - free_netdev(nfeth_dev[0]); + unregister_netdev(nfeth_dev[i]); + free_netdev(nfeth_dev[i]); } } free_irq(nfEtherIRQ, nfeth_interrupt); diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h index 8637bf8a2f65..cfba83d230fd 100644 --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -48,7 +48,7 @@ static inline int arch_atomic_##op##_return(int i, atomic_t *v) \ " casl %2,%1,%0\n" \ " jne 1b" \ : "+m" (*v), "=&d" (t), "=&d" (tmp) \ - : "g" (i), "2" (arch_atomic_read(v))); \ + : "di" (i), "2" (arch_atomic_read(v))); \ return t; \ } @@ -63,7 +63,7 @@ static inline int arch_atomic_fetch_##op(int i, atomic_t *v) \ " casl %2,%1,%0\n" \ " jne 1b" \ : "+m" (*v), "=&d" (t), "=&d" (tmp) \ - : "g" (i), "2" (arch_atomic_read(v))); \ + : "di" (i), "2" (arch_atomic_read(v))); \ return tmp; \ } diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index cee6087cd686..6dfb27d531dd 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -71,7 +71,6 @@ config MIPS select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS select HAVE_GENERIC_VDSO - select HAVE_IDE select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_IRQ_TIME_ACCOUNTING diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 4e942b7ef022..653befc1b176 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -321,7 +321,7 @@ KBUILD_LDFLAGS += -m $(ld-emul) ifdef CONFIG_MIPS CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ - egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ + egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \ sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') endif diff --git a/arch/mips/ath25/ar2315.c b/arch/mips/ath25/ar2315.c index 9dbed7b5ea76..76e43a73ba1b 100644 --- a/arch/mips/ath25/ar2315.c +++ b/arch/mips/ath25/ar2315.c @@ -69,24 +69,24 @@ static void ar2315_misc_irq_handler(struct irq_desc *desc) { u32 pending = ar2315_rst_reg_read(AR2315_ISR) & ar2315_rst_reg_read(AR2315_IMR); - unsigned nr, misc_irq = 0; + unsigned nr; + int ret = 0; if (pending) { struct irq_domain *domain = irq_desc_get_handler_data(desc); nr = __ffs(pending); - misc_irq = irq_find_mapping(domain, nr); - } - if (misc_irq) { if (nr == AR2315_MISC_IRQ_GPIO) ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_GPIO); else if (nr == AR2315_MISC_IRQ_WATCHDOG) ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_WD); - generic_handle_irq(misc_irq); - } else { - spurious_interrupt(); + + ret = generic_handle_domain_irq(domain, nr); } + + if (!pending || ret) + spurious_interrupt(); } static void ar2315_misc_irq_unmask(struct irq_data *d) diff --git a/arch/mips/ath25/ar5312.c b/arch/mips/ath25/ar5312.c index 23c879f4b734..822b639dbd1e 100644 --- a/arch/mips/ath25/ar5312.c +++ b/arch/mips/ath25/ar5312.c @@ -73,22 +73,21 @@ static void ar5312_misc_irq_handler(struct irq_desc *desc) { u32 pending = ar5312_rst_reg_read(AR5312_ISR) & ar5312_rst_reg_read(AR5312_IMR); - unsigned nr, misc_irq = 0; + unsigned nr; + int ret = 0; if (pending) { struct irq_domain *domain = irq_desc_get_handler_data(desc); nr = __ffs(pending); - misc_irq = irq_find_mapping(domain, nr); - } - if (misc_irq) { - generic_handle_irq(misc_irq); + ret = generic_handle_domain_irq(domain, nr); if (nr == AR5312_MISC_IRQ_TIMER) ar5312_rst_reg_read(AR5312_TIMER); - } else { - spurious_interrupt(); } + + if (!pending || ret) + spurious_interrupt(); } /* Enable the specified AR5312_MISC_IRQ interrupt */ diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h index 65975712a22d..53f015a1b0a7 100644 --- a/arch/mips/include/asm/compat.h +++ b/arch/mips/include/asm/compat.h @@ -9,20 +9,25 @@ #include <asm/page.h> #include <asm/ptrace.h> +typedef s32 __compat_uid_t; +typedef s32 __compat_gid_t; +typedef __compat_uid_t __compat_uid32_t; +typedef __compat_gid_t __compat_gid32_t; +#define __compat_uid32_t __compat_uid32_t +#define __compat_gid32_t __compat_gid32_t + +#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */ +#define _COMPAT_NSIG_BPW 32 +typedef u32 compat_sigset_word; + #include <asm-generic/compat.h> #define COMPAT_USER_HZ 100 #define COMPAT_UTS_MACHINE "mips\0\0\0" -typedef s32 __compat_uid_t; -typedef s32 __compat_gid_t; -typedef __compat_uid_t __compat_uid32_t; -typedef __compat_gid_t __compat_gid32_t; -typedef u32 compat_mode_t; typedef u32 compat_dev_t; typedef u32 compat_nlink_t; typedef s32 compat_ipc_pid_t; -typedef s32 compat_caddr_t; typedef struct { s32 val[2]; } compat_fsid_t; @@ -89,13 +94,6 @@ struct compat_statfs { #define COMPAT_RLIM_INFINITY 0x7fffffffUL -typedef u32 compat_old_sigset_t; /* at least 32 bits */ - -#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */ -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - #define COMPAT_OFF_T_MAX 0x7fffffff static inline void __user *arch_compat_alloc_user_space(long len) diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index 08f9dd6903b7..86310d6e1035 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -76,7 +76,7 @@ static inline int __enable_fpu(enum fpu_mode mode) /* we only have a 32-bit FPU */ return SIGFPE; #endif - fallthrough; + /* fallthrough */ case FPU_32BIT: if (cpu_has_fre) { /* clear FRE */ diff --git a/arch/mips/include/asm/mach-rc32434/rb.h b/arch/mips/include/asm/mach-rc32434/rb.h index d502673a4f6c..34d179ca020b 100644 --- a/arch/mips/include/asm/mach-rc32434/rb.h +++ b/arch/mips/include/asm/mach-rc32434/rb.h @@ -7,8 +7,6 @@ #ifndef __ASM_RC32434_RB_H #define __ASM_RC32434_RB_H -#include <linux/genhd.h> - #define REGBASE 0x18000000 #define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(REGBASE)) #define UART0BASE 0x58000 diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h index 4b2567d6b2df..c7925d0e9874 100644 --- a/arch/mips/include/asm/pgalloc.h +++ b/arch/mips/include/asm/pgalloc.h @@ -58,15 +58,20 @@ do { \ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) { - pmd_t *pmd = NULL; + pmd_t *pmd; struct page *pg; - pg = alloc_pages(GFP_KERNEL | __GFP_ACCOUNT, PMD_ORDER); - if (pg) { - pgtable_pmd_page_ctor(pg); - pmd = (pmd_t *)page_address(pg); - pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table); + pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER); + if (!pg) + return NULL; + + if (!pgtable_pmd_page_ctor(pg)) { + __free_pages(pg, PMD_ORDER); + return NULL; } + + pmd = (pmd_t *)page_address(pg); + pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table); return pmd; } diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h index cdf404a831b2..1eaf6a1ca561 100644 --- a/arch/mips/include/uapi/asm/socket.h +++ b/arch/mips/include/uapi/asm/socket.h @@ -140,6 +140,8 @@ #define SO_NETNS_COOKIE 71 +#define SO_BUF_LOCK 72 + #if !defined(__KERNEL__) #if __BITS_PER_LONG == 64 diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index acfbdc01b0ac..b732495f138a 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -300,7 +300,7 @@ static void ltq_hw_irq_handler(struct irq_desc *desc) */ irq = __fls(irq); hwirq = irq + MIPS_CPU_IRQ_CASCADE + (INT_NUM_IM_OFFSET * module); - generic_handle_irq(irq_linear_revmap(ltq_domain, hwirq)); + generic_handle_domain_irq(ltq_domain, hwirq); /* if this is a EBU irq, we need to ack it or get a deadlock */ if (irq == LTQ_ICU_EBU_IRQ && !module && LTQ_EBU_PCC_ISTAT != 0) diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index cd4afcdf3725..9adad24c2e65 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -1383,6 +1383,7 @@ static void build_r4000_tlb_refill_handler(void) switch (boot_cpu_type()) { default: if (sizeof(long) == 4) { + fallthrough; case CPU_LOONGSON2EF: /* Loongson2 ebase is different than r4k, we have more space */ if ((p - tlb_handler) > 64) @@ -2169,6 +2170,7 @@ static void build_r4000_tlb_load_handler(void) default: if (cpu_has_mips_r2_exec_hazard) { uasm_i_ehb(&p); + fallthrough; case CPU_CAVIUM_OCTEON: case CPU_CAVIUM_OCTEON_PLUS: diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c index ee7471984fe7..4ffbcc58c6f6 100644 --- a/arch/mips/mti-malta/malta-platform.c +++ b/arch/mips/mti-malta/malta-platform.c @@ -48,7 +48,8 @@ static struct plat_serial8250_port uart8250_data[] = { .mapbase = 0x1f000900, /* The CBUS UART */ .irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2, .uartclk = 3686400, /* Twice the usual clk! */ - .iotype = UPIO_MEM32, + .iotype = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) ? + UPIO_MEM32BE : UPIO_MEM32, .flags = CBUS_UART_FLAGS, .regshift = 3, }, diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c index 939dd06764bc..3a73e9375712 100644 --- a/arch/mips/net/ebpf_jit.c +++ b/arch/mips/net/ebpf_jit.c @@ -1355,6 +1355,9 @@ jeq_common: } break; + case BPF_ST | BPF_NOSPEC: /* speculation barrier */ + break; + case BPF_ST | BPF_B | BPF_MEM: case BPF_ST | BPF_H | BPF_MEM: case BPF_ST | BPF_W | BPF_MEM: diff --git a/arch/mips/pci/pci-ar2315.c b/arch/mips/pci/pci-ar2315.c index c1a655aee599..9a4bfb4e63e3 100644 --- a/arch/mips/pci/pci-ar2315.c +++ b/arch/mips/pci/pci-ar2315.c @@ -337,14 +337,12 @@ static void ar2315_pci_irq_handler(struct irq_desc *desc) struct ar2315_pci_ctrl *apc = irq_desc_get_handler_data(desc); u32 pending = ar2315_pci_reg_read(apc, AR2315_PCI_ISR) & ar2315_pci_reg_read(apc, AR2315_PCI_IMR); - unsigned pci_irq = 0; + int ret = 0; if (pending) - pci_irq = irq_find_mapping(apc->domain, __ffs(pending)); + ret = generic_handle_domain_irq(apc->domain, __ffs(pending)); - if (pci_irq) - generic_handle_irq(pci_irq); - else + if (!pending || ret) spurious_interrupt(); } diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c index c48e23cf5b5e..d3c947fa2969 100644 --- a/arch/mips/pci/pci-rt3883.c +++ b/arch/mips/pci/pci-rt3883.c @@ -140,10 +140,9 @@ static void rt3883_pci_irq_handler(struct irq_desc *desc) } while (pending) { - unsigned irq, bit = __ffs(pending); + unsigned bit = __ffs(pending); - irq = irq_find_mapping(rpc->irq_domain, bit); - generic_handle_irq(irq); + generic_handle_domain_irq(rpc->irq_domain, bit); pending &= ~BIT(bit); } diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c index 220ca0cd7945..fa353bc13947 100644 --- a/arch/mips/ralink/irq.c +++ b/arch/mips/ralink/irq.c @@ -100,7 +100,7 @@ static void ralink_intc_irq_handler(struct irq_desc *desc) if (pending) { struct irq_domain *domain = irq_desc_get_handler_data(desc); - generic_handle_irq(irq_find_mapping(domain, __ffs(pending))); + generic_handle_domain_irq(domain, __ffs(pending)); } else { spurious_interrupt(); } diff --git a/arch/mips/sgi-ip22/ip22-gio.c b/arch/mips/sgi-ip22/ip22-gio.c index de0768a49ee8..dfc52f661ad0 100644 --- a/arch/mips/sgi-ip22/ip22-gio.c +++ b/arch/mips/sgi-ip22/ip22-gio.c @@ -143,14 +143,13 @@ static int gio_device_probe(struct device *dev) return error; } -static int gio_device_remove(struct device *dev) +static void gio_device_remove(struct device *dev) { struct gio_device *gio_dev = to_gio_device(dev); struct gio_driver *drv = to_gio_driver(dev->driver); if (dev->driver && drv->remove) drv->remove(gio_dev); - return 0; } static void gio_device_shutdown(struct device *dev) diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 95c1bff1ab9f..a0dd3bd2b81b 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -190,7 +190,7 @@ static void ip27_do_irq_mask0(struct irq_desc *desc) unsigned long *mask = per_cpu(irq_enable_mask, cpu); struct irq_domain *domain; u64 pend0; - int irq; + int ret; /* copied from Irix intpend0() */ pend0 = LOCAL_HUB_L(PI_INT_PEND0); @@ -216,10 +216,8 @@ static void ip27_do_irq_mask0(struct irq_desc *desc) #endif { domain = irq_desc_get_handler_data(desc); - irq = irq_linear_revmap(domain, __ffs(pend0)); - if (irq) - generic_handle_irq(irq); - else + ret = generic_handle_domain_irq(domain, __ffs(pend0)); + if (ret) spurious_interrupt(); } @@ -232,7 +230,7 @@ static void ip27_do_irq_mask1(struct irq_desc *desc) unsigned long *mask = per_cpu(irq_enable_mask, cpu); struct irq_domain *domain; u64 pend1; - int irq; + int ret; /* copied from Irix intpend0() */ pend1 = LOCAL_HUB_L(PI_INT_PEND1); @@ -242,10 +240,8 @@ static void ip27_do_irq_mask1(struct irq_desc *desc) return; domain = irq_desc_get_handler_data(desc); - irq = irq_linear_revmap(domain, __ffs(pend1) + 64); - if (irq) - generic_handle_irq(irq); - else + ret = generic_handle_domain_irq(domain, __ffs(pend1) + 64); + if (ret) spurious_interrupt(); LOCAL_HUB_L(PI_INT_PEND1); diff --git a/arch/mips/sgi-ip30/ip30-irq.c b/arch/mips/sgi-ip30/ip30-irq.c index ba87704073c8..423c32cb66ed 100644 --- a/arch/mips/sgi-ip30/ip30-irq.c +++ b/arch/mips/sgi-ip30/ip30-irq.c @@ -99,7 +99,7 @@ static void ip30_normal_irq(struct irq_desc *desc) int cpu = smp_processor_id(); struct irq_domain *domain; u64 pend, mask; - int irq; + int ret; pend = heart_read(&heart_regs->isr); mask = (heart_read(&heart_regs->imr[cpu]) & @@ -130,10 +130,8 @@ static void ip30_normal_irq(struct irq_desc *desc) #endif { domain = irq_desc_get_handler_data(desc); - irq = irq_linear_revmap(domain, __ffs(pend)); - if (irq) - generic_handle_irq(irq); - else + ret = generic_handle_domain_irq(domain, __ffs(pend)); + if (ret) spurious_interrupt(); } } diff --git a/arch/nds32/mm/mmap.c b/arch/nds32/mm/mmap.c index c206b31ce07a..1bdf5e7d1b43 100644 --- a/arch/nds32/mm/mmap.c +++ b/arch/nds32/mm/mmap.c @@ -59,7 +59,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/nios2/kernel/irq.c b/arch/nios2/kernel/irq.c index c6a1a9f6ac42..6b7890e5f7af 100644 --- a/arch/nios2/kernel/irq.c +++ b/arch/nios2/kernel/irq.c @@ -19,11 +19,9 @@ static u32 ienable; asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) { struct pt_regs *oldregs = set_irq_regs(regs); - int irq; irq_enter(); - irq = irq_find_mapping(NULL, hwirq); - generic_handle_irq(irq); + generic_handle_domain_irq(NULL, hwirq); irq_exit(); set_irq_regs(oldregs); diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index bde9907bc5b2..4f8c1fbf8f2f 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -3,7 +3,6 @@ config PARISC def_bool y select ARCH_32BIT_OFF_T if !64BIT select ARCH_MIGHT_HAVE_PC_PARPORT - select HAVE_IDE select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_SYSCALL_TRACEPOINTS diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h index 1a609d38f667..b5d90e82b65d 100644 --- a/arch/parisc/include/asm/compat.h +++ b/arch/parisc/include/asm/compat.h @@ -8,6 +8,9 @@ #include <linux/sched.h> #include <linux/thread_info.h> +#define compat_mode_t compat_mode_t +typedef u16 compat_mode_t; + #include <asm-generic/compat.h> #define COMPAT_USER_HZ 100 @@ -15,13 +18,9 @@ typedef u32 __compat_uid_t; typedef u32 __compat_gid_t; -typedef u32 __compat_uid32_t; -typedef u32 __compat_gid32_t; -typedef u16 compat_mode_t; typedef u32 compat_dev_t; typedef u16 compat_nlink_t; typedef u16 compat_ipc_pid_t; -typedef u32 compat_caddr_t; struct compat_stat { compat_dev_t st_dev; /* dev_t is 32 bits on parisc */ @@ -96,13 +95,6 @@ struct compat_sigcontext { #define COMPAT_RLIM_INFINITY 0xffffffff -typedef u32 compat_old_sigset_t; /* at least 32 bits */ - -#define _COMPAT_NSIG 64 -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - #define COMPAT_OFF_T_MAX 0x7fffffff struct compat_ipc64_perm { diff --git a/arch/parisc/include/asm/string.h b/arch/parisc/include/asm/string.h index 4a0c9dbd62fd..f6e1132f4e35 100644 --- a/arch/parisc/include/asm/string.h +++ b/arch/parisc/include/asm/string.h @@ -8,19 +8,4 @@ extern void * memset(void *, int, size_t); #define __HAVE_ARCH_MEMCPY void * memcpy(void * dest,const void *src,size_t count); -#define __HAVE_ARCH_STRLEN -extern size_t strlen(const char *s); - -#define __HAVE_ARCH_STRCPY -extern char *strcpy(char *dest, const char *src); - -#define __HAVE_ARCH_STRNCPY -extern char *strncpy(char *dest, const char *src, size_t count); - -#define __HAVE_ARCH_STRCAT -extern char *strcat(char *dest, const char *src); - -#define __HAVE_ARCH_MEMSET -extern void *memset(void *, int, size_t); - #endif diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h index 5b5351cdcb33..8baaad52d799 100644 --- a/arch/parisc/include/uapi/asm/socket.h +++ b/arch/parisc/include/uapi/asm/socket.h @@ -121,6 +121,8 @@ #define SO_NETNS_COOKIE 0x4045 +#define SO_BUF_LOCK 0x4046 + #if !defined(__KERNEL__) #if __BITS_PER_LONG == 64 diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index 80fa0650736b..776d624a7207 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -133,14 +133,13 @@ static int parisc_driver_probe(struct device *dev) return rc; } -static int __exit parisc_driver_remove(struct device *dev) +static void __exit parisc_driver_remove(struct device *dev) { struct parisc_device *pa_dev = to_parisc_device(dev); struct parisc_driver *pa_drv = to_parisc_driver(dev->driver); + if (pa_drv->remove) pa_drv->remove(pa_dev); - - return 0; } diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c index 8ed409ecec93..e8a6a751dfd8 100644 --- a/arch/parisc/kernel/parisc_ksyms.c +++ b/arch/parisc/kernel/parisc_ksyms.c @@ -17,10 +17,6 @@ #include <linux/string.h> EXPORT_SYMBOL(memset); -EXPORT_SYMBOL(strlen); -EXPORT_SYMBOL(strcpy); -EXPORT_SYMBOL(strncpy); -EXPORT_SYMBOL(strcat); #include <linux/atomic.h> EXPORT_SYMBOL(__xchg8); diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c index 39ccad063533..2661cdd256ae 100644 --- a/arch/parisc/kernel/pdc_cons.c +++ b/arch/parisc/kernel/pdc_cons.c @@ -138,6 +138,7 @@ static struct tty_driver *pdc_console_tty_driver; static int __init pdc_console_tty_driver_init(void) { + struct tty_driver *driver; int err; /* Check if the console driver is still registered. @@ -160,31 +161,32 @@ static int __init pdc_console_tty_driver_init(void) printk(KERN_INFO "The PDC console driver is still registered, removing CON_BOOT flag\n"); pdc_cons.flags &= ~CON_BOOT; - pdc_console_tty_driver = alloc_tty_driver(1); - - if (!pdc_console_tty_driver) - return -ENOMEM; + driver = tty_alloc_driver(1, TTY_DRIVER_REAL_RAW | + TTY_DRIVER_RESET_TERMIOS); + if (IS_ERR(driver)) + return PTR_ERR(driver); tty_port_init(&tty_port); - pdc_console_tty_driver->driver_name = "pdc_cons"; - pdc_console_tty_driver->name = "ttyB"; - pdc_console_tty_driver->major = MUX_MAJOR; - pdc_console_tty_driver->minor_start = 0; - pdc_console_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM; - pdc_console_tty_driver->init_termios = tty_std_termios; - pdc_console_tty_driver->flags = TTY_DRIVER_REAL_RAW | - TTY_DRIVER_RESET_TERMIOS; - tty_set_operations(pdc_console_tty_driver, &pdc_console_tty_ops); - tty_port_link_device(&tty_port, pdc_console_tty_driver, 0); - - err = tty_register_driver(pdc_console_tty_driver); + driver->driver_name = "pdc_cons"; + driver->name = "ttyB"; + driver->major = MUX_MAJOR; + driver->minor_start = 0; + driver->type = TTY_DRIVER_TYPE_SYSTEM; + driver->init_termios = tty_std_termios; + tty_set_operations(driver, &pdc_console_tty_ops); + tty_port_link_device(&tty_port, driver, 0); + + err = tty_register_driver(driver); if (err) { printk(KERN_ERR "Unable to register the PDC console TTY driver\n"); tty_port_destroy(&tty_port); + tty_driver_kref_put(driver); return err; } + pdc_console_tty_driver = driver; + return 0; } device_initcall(pdc_console_tty_driver_init); diff --git a/arch/parisc/lib/Makefile b/arch/parisc/lib/Makefile index 2d7a9974dbae..7b197667faf6 100644 --- a/arch/parisc/lib/Makefile +++ b/arch/parisc/lib/Makefile @@ -3,7 +3,7 @@ # Makefile for parisc-specific library files # -lib-y := lusercopy.o bitops.o checksum.o io.o memcpy.o \ - ucmpdi2.o delay.o string.o +lib-y := lusercopy.o bitops.o checksum.o io.o memset.o memcpy.o \ + ucmpdi2.o delay.o obj-y := iomap.o diff --git a/arch/parisc/lib/memset.c b/arch/parisc/lib/memset.c new file mode 100644 index 000000000000..133e4809859a --- /dev/null +++ b/arch/parisc/lib/memset.c @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#include <linux/types.h> +#include <asm/string.h> + +#define OPSIZ (BITS_PER_LONG/8) +typedef unsigned long op_t; + +void * +memset (void *dstpp, int sc, size_t len) +{ + unsigned int c = sc; + long int dstp = (long int) dstpp; + + if (len >= 8) + { + size_t xlen; + op_t cccc; + + cccc = (unsigned char) c; + cccc |= cccc << 8; + cccc |= cccc << 16; + if (OPSIZ > 4) + /* Do the shift in two steps to avoid warning if long has 32 bits. */ + cccc |= (cccc << 16) << 16; + + /* There are at least some bytes to set. + No need to test for LEN == 0 in this alignment loop. */ + while (dstp % OPSIZ != 0) + { + ((unsigned char *) dstp)[0] = c; + dstp += 1; + len -= 1; + } + + /* Write 8 `op_t' per iteration until less than 8 `op_t' remain. */ + xlen = len / (OPSIZ * 8); + while (xlen > 0) + { + ((op_t *) dstp)[0] = cccc; + ((op_t *) dstp)[1] = cccc; + ((op_t *) dstp)[2] = cccc; + ((op_t *) dstp)[3] = cccc; + ((op_t *) dstp)[4] = cccc; + ((op_t *) dstp)[5] = cccc; + ((op_t *) dstp)[6] = cccc; + ((op_t *) dstp)[7] = cccc; + dstp += 8 * OPSIZ; + xlen -= 1; + } + len %= OPSIZ * 8; + + /* Write 1 `op_t' per iteration until less than OPSIZ bytes remain. */ + xlen = len / OPSIZ; + while (xlen > 0) + { + ((op_t *) dstp)[0] = cccc; + dstp += OPSIZ; + xlen -= 1; + } + len %= OPSIZ; + } + + /* Write the last few bytes. */ + while (len > 0) + { + ((unsigned char *) dstp)[0] = c; + dstp += 1; + len -= 1; + } + + return dstpp; +} diff --git a/arch/parisc/lib/string.S b/arch/parisc/lib/string.S deleted file mode 100644 index 4a64264427a6..000000000000 --- a/arch/parisc/lib/string.S +++ /dev/null @@ -1,136 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * PA-RISC assembly string functions - * - * Copyright (C) 2019 Helge Deller <deller@gmx.de> - */ - -#include <asm/assembly.h> -#include <linux/linkage.h> - - .section .text.hot - .level PA_ASM_LEVEL - - t0 = r20 - t1 = r21 - t2 = r22 - -ENTRY_CFI(strlen, frame=0,no_calls) - or,COND(<>) arg0,r0,ret0 - b,l,n .Lstrlen_null_ptr,r0 - depwi 0,31,2,ret0 - cmpb,COND(<>) arg0,ret0,.Lstrlen_not_aligned - ldw,ma 4(ret0),t0 - cmpib,tr 0,r0,.Lstrlen_loop - uxor,nbz r0,t0,r0 -.Lstrlen_not_aligned: - uaddcm arg0,ret0,t1 - shladd t1,3,r0,t1 - mtsar t1 - depwi -1,%sar,32,t0 - uxor,nbz r0,t0,r0 -.Lstrlen_loop: - b,l,n .Lstrlen_end_loop,r0 - ldw,ma 4(ret0),t0 - cmpib,tr 0,r0,.Lstrlen_loop - uxor,nbz r0,t0,r0 -.Lstrlen_end_loop: - extrw,u,<> t0,7,8,r0 - addib,tr,n -3,ret0,.Lstrlen_out - extrw,u,<> t0,15,8,r0 - addib,tr,n -2,ret0,.Lstrlen_out - extrw,u,<> t0,23,8,r0 - addi -1,ret0,ret0 -.Lstrlen_out: - bv r0(rp) - uaddcm ret0,arg0,ret0 -.Lstrlen_null_ptr: - bv,n r0(rp) -ENDPROC_CFI(strlen) - - -ENTRY_CFI(strcpy, frame=0,no_calls) - ldb 0(arg1),t0 - stb t0,0(arg0) - ldo 0(arg0),ret0 - ldo 1(arg1),t1 - cmpb,= r0,t0,2f - ldo 1(arg0),t2 -1: ldb 0(t1),arg1 - stb arg1,0(t2) - ldo 1(t1),t1 - cmpb,<> r0,arg1,1b - ldo 1(t2),t2 -2: bv,n r0(rp) -ENDPROC_CFI(strcpy) - - -ENTRY_CFI(strncpy, frame=0,no_calls) - ldb 0(arg1),t0 - stb t0,0(arg0) - ldo 1(arg1),t1 - ldo 0(arg0),ret0 - cmpb,= r0,t0,2f - ldo 1(arg0),arg1 -1: ldo -1(arg2),arg2 - cmpb,COND(=),n r0,arg2,2f - ldb 0(t1),arg0 - stb arg0,0(arg1) - ldo 1(t1),t1 - cmpb,<> r0,arg0,1b - ldo 1(arg1),arg1 -2: bv,n r0(rp) -ENDPROC_CFI(strncpy) - - -ENTRY_CFI(strcat, frame=0,no_calls) - ldb 0(arg0),t0 - cmpb,= t0,r0,2f - ldo 0(arg0),ret0 - ldo 1(arg0),arg0 -1: ldb 0(arg0),t1 - cmpb,<>,n r0,t1,1b - ldo 1(arg0),arg0 -2: ldb 0(arg1),t2 - stb t2,0(arg0) - ldo 1(arg0),arg0 - ldb 0(arg1),t0 - cmpb,<> r0,t0,2b - ldo 1(arg1),arg1 - bv,n r0(rp) -ENDPROC_CFI(strcat) - - -ENTRY_CFI(memset, frame=0,no_calls) - copy arg0,ret0 - cmpb,COND(=) r0,arg0,4f - copy arg0,t2 - cmpb,COND(=) r0,arg2,4f - ldo -1(arg2),arg3 - subi -1,arg3,t0 - subi 0,t0,t1 - cmpiclr,COND(>=) 0,t1,arg2 - ldo -1(t1),arg2 - extru arg2,31,2,arg0 -2: stb arg1,0(t2) - ldo 1(t2),t2 - addib,>= -1,arg0,2b - ldo -1(arg3),arg3 - cmpiclr,COND(<=) 4,arg2,r0 - b,l,n 4f,r0 -#ifdef CONFIG_64BIT - depd,* r0,63,2,arg2 -#else - depw r0,31,2,arg2 -#endif - ldo 1(t2),t2 -3: stb arg1,-1(t2) - stb arg1,0(t2) - stb arg1,1(t2) - stb arg1,2(t2) - addib,COND(>) -4,arg2,3b - ldo 4(t2),t2 -4: bv,n r0(rp) -ENDPROC_CFI(memset) - - .end diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d01e3401581d..663766fbf505 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -220,7 +220,6 @@ config PPC select HAVE_HARDLOCKUP_DETECTOR_ARCH if PPC_BOOK3S_64 && SMP select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH select HAVE_HW_BREAKPOINT if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx) - select HAVE_IDE select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_IRQ_TIME_ACCOUNTING diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h index 64201125a287..d4b145b279f6 100644 --- a/arch/powerpc/include/asm/book3s/32/kup.h +++ b/arch/powerpc/include/asm/book3s/32/kup.h @@ -4,6 +4,8 @@ #include <asm/bug.h> #include <asm/book3s/32/mmu-hash.h> +#include <asm/mmu.h> +#include <asm/synch.h> #ifndef __ASSEMBLY__ @@ -28,6 +30,15 @@ static inline void kuep_lock(void) return; update_user_segments(mfsr(0) | SR_NX); + /* + * This isync() shouldn't be necessary as the kernel is not excepted to + * run any instruction in userspace soon after the update of segments, + * but hash based cores (at least G3) seem to exhibit a random + * behaviour when the 'isync' is not there. 603 cores don't have this + * behaviour so don't do the 'isync' as it saves several CPU cycles. + */ + if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) + isync(); /* Context sync required after mtsr() */ } static inline void kuep_unlock(void) @@ -36,6 +47,15 @@ static inline void kuep_unlock(void) return; update_user_segments(mfsr(0) & ~SR_NX); + /* + * This isync() shouldn't be necessary as a 'rfi' will soon be executed + * to return to userspace, but hash based cores (at least G3) seem to + * exhibit a random behaviour when the 'isync' is not there. 603 cores + * don't have this behaviour so don't do the 'isync' as it saves several + * CPU cycles. + */ + if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) + isync(); /* Context sync required after mtsr() */ } #ifdef CONFIG_PPC_KUAP diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h index 9191fc29e6ed..e33dcf134cdd 100644 --- a/arch/powerpc/include/asm/compat.h +++ b/arch/powerpc/include/asm/compat.h @@ -19,13 +19,9 @@ typedef u32 __compat_uid_t; typedef u32 __compat_gid_t; -typedef u32 __compat_uid32_t; -typedef u32 __compat_gid32_t; -typedef u32 compat_mode_t; typedef u32 compat_dev_t; typedef s16 compat_nlink_t; typedef u16 compat_ipc_pid_t; -typedef u32 compat_caddr_t; typedef __kernel_fsid_t compat_fsid_t; struct compat_stat { @@ -85,13 +81,6 @@ struct compat_statfs { #define COMPAT_RLIM_INFINITY 0xffffffff -typedef u32 compat_old_sigset_t; - -#define _COMPAT_NSIG 64 -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - #define COMPAT_OFF_T_MAX 0x7fffffff static inline void __user *arch_compat_alloc_user_space(long len) diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index d4bdf7d274ac..6b800d3e2681 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -583,6 +583,9 @@ DECLARE_INTERRUPT_HANDLER_NMI(hmi_exception_realmode); DECLARE_INTERRUPT_HANDLER_ASYNC(TAUException); +/* irq.c */ +DECLARE_INTERRUPT_HANDLER_ASYNC(do_IRQ); + void __noreturn unrecoverable_exception(struct pt_regs *regs); void replay_system_reset(void); diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index 4982f3711fc3..2b3278534bc1 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -52,7 +52,7 @@ extern void *mcheckirq_ctx[NR_CPUS]; extern void *hardirq_ctx[NR_CPUS]; extern void *softirq_ctx[NR_CPUS]; -extern void do_IRQ(struct pt_regs *regs); +void __do_IRQ(struct pt_regs *regs); extern void __init init_IRQ(void); extern void __do_irq(struct pt_regs *regs); diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 3e5d470a6155..14422e851494 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -70,6 +70,22 @@ struct pt_regs unsigned long __pad[4]; /* Maintain 16 byte interrupt stack alignment */ }; #endif +#if defined(CONFIG_PPC32) && defined(CONFIG_BOOKE) + struct { /* Must be a multiple of 16 bytes */ + unsigned long mas0; + unsigned long mas1; + unsigned long mas2; + unsigned long mas3; + unsigned long mas6; + unsigned long mas7; + unsigned long srr0; + unsigned long srr1; + unsigned long csrr0; + unsigned long csrr1; + unsigned long dsrr0; + unsigned long dsrr1; + }; +#endif }; #endif diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index a47eefa09bcb..5bee245d832b 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -309,24 +309,21 @@ int main(void) STACK_PT_REGS_OFFSET(STACK_REGS_IAMR, iamr); #endif -#if defined(CONFIG_PPC32) -#if defined(CONFIG_BOOKE) || defined(CONFIG_40x) - DEFINE(EXC_LVL_SIZE, STACK_EXC_LVL_FRAME_SIZE); - DEFINE(MAS0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0)); +#if defined(CONFIG_PPC32) && defined(CONFIG_BOOKE) + STACK_PT_REGS_OFFSET(MAS0, mas0); /* we overload MMUCR for 44x on MAS0 since they are mutually exclusive */ - DEFINE(MMUCR, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0)); - DEFINE(MAS1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas1)); - DEFINE(MAS2, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas2)); - DEFINE(MAS3, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas3)); - DEFINE(MAS6, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas6)); - DEFINE(MAS7, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas7)); - DEFINE(_SRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr0)); - DEFINE(_SRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr1)); - DEFINE(_CSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr0)); - DEFINE(_CSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr1)); - DEFINE(_DSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr0)); - DEFINE(_DSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr1)); -#endif + STACK_PT_REGS_OFFSET(MMUCR, mas0); + STACK_PT_REGS_OFFSET(MAS1, mas1); + STACK_PT_REGS_OFFSET(MAS2, mas2); + STACK_PT_REGS_OFFSET(MAS3, mas3); + STACK_PT_REGS_OFFSET(MAS6, mas6); + STACK_PT_REGS_OFFSET(MAS7, mas7); + STACK_PT_REGS_OFFSET(_SRR0, srr0); + STACK_PT_REGS_OFFSET(_SRR1, srr1); + STACK_PT_REGS_OFFSET(_CSRR0, csrr0); + STACK_PT_REGS_OFFSET(_CSRR1, csrr1); + STACK_PT_REGS_OFFSET(_DSRR0, dsrr0); + STACK_PT_REGS_OFFSET(_DSRR1, dsrr1); #endif /* About the CPU features table */ diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 4aec59a77d4c..37859e62a8dc 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -812,7 +812,6 @@ __start_interrupts: * syscall register convention is in Documentation/powerpc/syscall64-abi.rst */ EXC_VIRT_BEGIN(system_call_vectored, 0x3000, 0x1000) -1: /* SCV 0 */ mr r9,r13 GET_PACA(r13) @@ -842,10 +841,12 @@ EXC_VIRT_BEGIN(system_call_vectored, 0x3000, 0x1000) b system_call_vectored_sigill #endif .endr -2: EXC_VIRT_END(system_call_vectored, 0x3000, 0x1000) -SOFT_MASK_TABLE(1b, 2b) // Treat scv vectors as soft-masked, see comment above. +// Treat scv vectors as soft-masked, see comment above. +// Use absolute values rather than labels here, so they don't get relocated, +// because this code runs unrelocated. +SOFT_MASK_TABLE(0xc000000000003000, 0xc000000000004000) #ifdef CONFIG_RELOCATABLE TRAMP_VIRT_BEGIN(system_call_vectored_tramp) diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S index 764edd860ed4..68e5c0a7e99d 100644 --- a/arch/powerpc/kernel/head_book3s_32.S +++ b/arch/powerpc/kernel/head_book3s_32.S @@ -300,7 +300,7 @@ ALT_MMU_FTR_SECTION_END_IFSET(MMU_FTR_HPTE_TABLE) EXCEPTION_PROLOG_1 EXCEPTION_PROLOG_2 INTERRUPT_DATA_STORAGE DataAccess handle_dar_dsisr=1 prepare_transfer_to_handler - lwz r5, _DSISR(r11) + lwz r5, _DSISR(r1) andis. r0, r5, DSISR_DABRMATCH@h bne- 1f bl do_page_fault diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h index 87b806e8eded..e5503420b6c6 100644 --- a/arch/powerpc/kernel/head_booke.h +++ b/arch/powerpc/kernel/head_booke.h @@ -168,20 +168,18 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV) /* only on e500mc */ #define DBG_STACK_BASE dbgirq_ctx -#define EXC_LVL_FRAME_OVERHEAD (THREAD_SIZE - INT_FRAME_SIZE - EXC_LVL_SIZE) - #ifdef CONFIG_SMP #define BOOKE_LOAD_EXC_LEVEL_STACK(level) \ mfspr r8,SPRN_PIR; \ slwi r8,r8,2; \ addis r8,r8,level##_STACK_BASE@ha; \ lwz r8,level##_STACK_BASE@l(r8); \ - addi r8,r8,EXC_LVL_FRAME_OVERHEAD; + addi r8,r8,THREAD_SIZE - INT_FRAME_SIZE; #else #define BOOKE_LOAD_EXC_LEVEL_STACK(level) \ lis r8,level##_STACK_BASE@ha; \ lwz r8,level##_STACK_BASE@l(r8); \ - addi r8,r8,EXC_LVL_FRAME_OVERHEAD; + addi r8,r8,THREAD_SIZE - INT_FRAME_SIZE; #endif /* @@ -208,7 +206,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV) mtmsr r11; \ mfspr r11,SPRN_SPRG_THREAD; /* if from user, start at top of */\ lwz r11, TASK_STACK - THREAD(r11); /* this thread's kernel stack */\ - addi r11,r11,EXC_LVL_FRAME_OVERHEAD; /* allocate stack frame */\ + addi r11,r11,THREAD_SIZE - INT_FRAME_SIZE; /* allocate stack frame */\ beq 1f; \ /* COMING FROM USER MODE */ \ stw r9,_CCR(r11); /* save CR */\ @@ -516,24 +514,5 @@ label: bl kernel_fp_unavailable_exception; \ b interrupt_return -#else /* __ASSEMBLY__ */ -struct exception_regs { - unsigned long mas0; - unsigned long mas1; - unsigned long mas2; - unsigned long mas3; - unsigned long mas6; - unsigned long mas7; - unsigned long srr0; - unsigned long srr1; - unsigned long csrr0; - unsigned long csrr1; - unsigned long dsrr0; - unsigned long dsrr1; -}; - -/* ensure this structure is always sized to a multiple of the stack alignment */ -#define STACK_EXC_LVL_FRAME_SIZE ALIGN(sizeof (struct exception_regs), 16) - #endif /* __ASSEMBLY__ */ #endif /* __HEAD_BOOKE_H__ */ diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 91e63eac4e8f..551b653228c4 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -750,7 +750,7 @@ void __do_irq(struct pt_regs *regs) trace_irq_exit(regs); } -DEFINE_INTERRUPT_HANDLER_ASYNC(do_IRQ) +void __do_IRQ(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); void *cursp, *irqsp, *sirqsp; @@ -774,6 +774,11 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(do_IRQ) set_irq_regs(old_regs); } +DEFINE_INTERRUPT_HANDLER_ASYNC(do_IRQ) +{ + __do_IRQ(regs); +} + static void *__init alloc_vm_stack(void) { return __vmalloc_node(THREAD_SIZE, THREAD_ALIGN, THREADINFO_GFP, diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index cbc28d1a2e1b..7a7cd6bda53e 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -292,7 +292,8 @@ int kprobe_handler(struct pt_regs *regs) if (user_mode(regs)) return 0; - if (!(regs->msr & MSR_IR) || !(regs->msr & MSR_DR)) + if (!IS_ENABLED(CONFIG_BOOKE) && + (!(regs->msr & MSR_IR) || !(regs->msr & MSR_DR))) return 0; /* diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 5ff0e55d0db1..defecb3b1b15 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -1167,7 +1167,7 @@ static int __init topology_init(void) * CPU. For instance, the boot cpu might never be valid * for hotplugging. */ - if (smp_ops->cpu_offline_self) + if (smp_ops && smp_ops->cpu_offline_self) c->hotpluggable = 1; #endif diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index e45ce427bffb..c487ba5a6e11 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -586,7 +586,7 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt) #if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC) if (atomic_read(&ppc_n_lost_interrupts) != 0) - do_IRQ(regs); + __do_IRQ(regs); #endif old_regs = set_irq_regs(regs); diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index dfbce527c98e..d56254f05e17 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1104,7 +1104,7 @@ DEFINE_INTERRUPT_HANDLER(RunModeException) _exception(SIGTRAP, regs, TRAP_UNK, 0); } -DEFINE_INTERRUPT_HANDLER(single_step_exception) +static void __single_step_exception(struct pt_regs *regs) { clear_single_step(regs); clear_br_trace(regs); @@ -1121,6 +1121,11 @@ DEFINE_INTERRUPT_HANDLER(single_step_exception) _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip); } +DEFINE_INTERRUPT_HANDLER(single_step_exception) +{ + __single_step_exception(regs); +} + /* * After we have successfully emulated an instruction, we have to * check if the instruction was being single-stepped, and if so, @@ -1130,7 +1135,7 @@ DEFINE_INTERRUPT_HANDLER(single_step_exception) static void emulate_single_step(struct pt_regs *regs) { if (single_stepping(regs)) - single_step_exception(regs); + __single_step_exception(regs); } static inline int __parse_fpscr(unsigned long fpscr) diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile index 2813e3f98db6..3c5baaa6f1e7 100644 --- a/arch/powerpc/kernel/vdso64/Makefile +++ b/arch/powerpc/kernel/vdso64/Makefile @@ -27,6 +27,13 @@ KASAN_SANITIZE := n ccflags-y := -shared -fno-common -fno-builtin -nostdlib \ -Wl,-soname=linux-vdso64.so.1 -Wl,--hash-style=both + +# Go prior to 1.16.x assumes r30 is not clobbered by any VDSO code. That used to be true +# by accident when the VDSO was hand-written asm code, but may not be now that the VDSO is +# compiler generated. To avoid breaking Go tell GCC not to use r30. Impact on code +# generation is minimal, it will just use r29 instead. +ccflags-y += $(call cc-option, -ffixed-r30) + asflags-y := -D__VDSO64__ -s targets += vdso64.lds diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 1d1fcc290fca..085fb8ecbf68 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -2697,8 +2697,10 @@ static int kvmppc_core_vcpu_create_hv(struct kvm_vcpu *vcpu) HFSCR_DSCR | HFSCR_VECVSX | HFSCR_FP | HFSCR_PREFIX; if (cpu_has_feature(CPU_FTR_HVMODE)) { vcpu->arch.hfscr &= mfspr(SPRN_HFSCR); +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM if (cpu_has_feature(CPU_FTR_P9_TM_HV_ASSIST)) vcpu->arch.hfscr |= HFSCR_TM; +#endif } if (cpu_has_feature(CPU_FTR_TM_COMP)) vcpu->arch.hfscr |= HFSCR_TM; diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c index 8543ad538b0c..898f942eb198 100644 --- a/arch/powerpc/kvm/book3s_hv_nested.c +++ b/arch/powerpc/kvm/book3s_hv_nested.c @@ -302,6 +302,9 @@ long kvmhv_enter_nested_guest(struct kvm_vcpu *vcpu) if (vcpu->kvm->arch.l1_ptcr == 0) return H_NOT_AVAILABLE; + if (MSR_TM_TRANSACTIONAL(vcpu->arch.shregs.msr)) + return H_BAD_MODE; + /* copy parameters in */ hv_ptr = kvmppc_get_gpr(vcpu, 4); regs_ptr = kvmppc_get_gpr(vcpu, 5); @@ -322,6 +325,23 @@ long kvmhv_enter_nested_guest(struct kvm_vcpu *vcpu) if (l2_hv.vcpu_token >= NR_CPUS) return H_PARAMETER; + /* + * L1 must have set up a suspended state to enter the L2 in a + * transactional state, and only in that case. These have to be + * filtered out here to prevent causing a TM Bad Thing in the + * host HRFID. We could synthesize a TM Bad Thing back to the L1 + * here but there doesn't seem like much point. + */ + if (MSR_TM_SUSPENDED(vcpu->arch.shregs.msr)) { + if (!MSR_TM_ACTIVE(l2_regs.msr)) + return H_BAD_MODE; + } else { + if (l2_regs.msr & MSR_TS_MASK) + return H_BAD_MODE; + if (WARN_ON_ONCE(vcpu->arch.shregs.msr & MSR_TS_MASK)) + return H_BAD_MODE; + } + /* translate lpid */ l2 = kvmhv_get_nested(vcpu->kvm, l2_hv.lpid, true); if (!l2) diff --git a/arch/powerpc/kvm/book3s_hv_p9_entry.c b/arch/powerpc/kvm/book3s_hv_p9_entry.c index 83f592eadcd2..961b3d70483c 100644 --- a/arch/powerpc/kvm/book3s_hv_p9_entry.c +++ b/arch/powerpc/kvm/book3s_hv_p9_entry.c @@ -317,6 +317,9 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc */ mtspr(SPRN_HDEC, hdec); +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM +tm_return_to_guest: +#endif mtspr(SPRN_DAR, vcpu->arch.shregs.dar); mtspr(SPRN_DSISR, vcpu->arch.shregs.dsisr); mtspr(SPRN_SRR0, vcpu->arch.shregs.srr0); @@ -415,11 +418,23 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc * is in real suspend mode and is trying to transition to * transactional mode. */ - if (local_paca->kvm_hstate.fake_suspend && + if (!local_paca->kvm_hstate.fake_suspend && (vcpu->arch.shregs.msr & MSR_TS_S)) { if (kvmhv_p9_tm_emulation_early(vcpu)) { - /* Prevent it being handled again. */ - trap = 0; + /* + * Go straight back into the guest with the + * new NIP/MSR as set by TM emulation. + */ + mtspr(SPRN_HSRR0, vcpu->arch.regs.nip); + mtspr(SPRN_HSRR1, vcpu->arch.shregs.msr); + + /* + * tm_return_to_guest re-loads SRR0/1, DAR, + * DSISR after RI is cleared, in case they had + * been clobbered by a MCE. + */ + __mtmsrd(0, 1); /* clear RI */ + goto tm_return_to_guest; } } #endif @@ -499,6 +514,10 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc * If we are in real mode, only switch MMU on after the MMU is * switched to host, to avoid the P9_RADIX_PREFETCH_BUG. */ + if (IS_ENABLED(CONFIG_PPC_TRANSACTIONAL_MEM) && + vcpu->arch.shregs.msr & MSR_TS_MASK) + msr |= MSR_TS_S; + __mtmsrd(msr, 0); end_timing(vcpu); diff --git a/arch/powerpc/kvm/book3s_rtas.c b/arch/powerpc/kvm/book3s_rtas.c index c5e677508d3b..0f847f1e5ddd 100644 --- a/arch/powerpc/kvm/book3s_rtas.c +++ b/arch/powerpc/kvm/book3s_rtas.c @@ -242,6 +242,17 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu) * value so we can restore it on the way out. */ orig_rets = args.rets; + if (be32_to_cpu(args.nargs) >= ARRAY_SIZE(args.args)) { + /* + * Don't overflow our args array: ensure there is room for + * at least rets[0] (even if the call specifies 0 nret). + * + * Each handler must then check for the correct nargs and nret + * values, but they may always return failure in rets[0]. + */ + rc = -EINVAL; + goto fail; + } args.rets = &args.args[be32_to_cpu(args.nargs)]; mutex_lock(&vcpu->kvm->arch.rtas_token_lock); @@ -269,9 +280,17 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu) fail: /* * We only get here if the guest has called RTAS with a bogus - * args pointer. That means we can't get to the args, and so we - * can't fail the RTAS call. So fail right out to userspace, - * which should kill the guest. + * args pointer or nargs/nret values that would overflow the + * array. That means we can't get to the args, and so we can't + * fail the RTAS call. So fail right out to userspace, which + * should kill the guest. + * + * SLOF should actually pass the hcall return value from the + * rtas handler call in r3, so enter_rtas could be modified to + * return a failure indication in r3 and we could return such + * errors to the guest rather than failing to host userspace. + * However old guests that don't test for failure could then + * continue silently after errors, so for now we won't do this. */ return rc; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index be33b5321a76..b4e6f70b97b9 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -2048,9 +2048,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp, { struct kvm_enable_cap cap; r = -EFAULT; - vcpu_load(vcpu); if (copy_from_user(&cap, argp, sizeof(cap))) goto out; + vcpu_load(vcpu); r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap); vcpu_put(vcpu); break; @@ -2074,9 +2074,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp, case KVM_DIRTY_TLB: { struct kvm_dirty_tlb dirty; r = -EFAULT; - vcpu_load(vcpu); if (copy_from_user(&dirty, argp, sizeof(dirty))) goto out; + vcpu_load(vcpu); r = kvm_vcpu_ioctl_dirty_tlb(vcpu, &dirty); vcpu_put(vcpu); break; diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c index 60780e089118..0df9fe29dd56 100644 --- a/arch/powerpc/mm/nohash/8xx.c +++ b/arch/powerpc/mm/nohash/8xx.c @@ -240,3 +240,13 @@ void __init setup_kuap(bool disabled) mtspr(SPRN_MD_AP, MD_APG_KUAP); } #endif + +int pud_clear_huge(pud_t *pud) +{ + return 0; +} + +int pmd_clear_huge(pmd_t *pmd) +{ + return 0; +} diff --git a/arch/powerpc/mm/pageattr.c b/arch/powerpc/mm/pageattr.c index 0876216ceee6..edea388e9d3f 100644 --- a/arch/powerpc/mm/pageattr.c +++ b/arch/powerpc/mm/pageattr.c @@ -18,16 +18,12 @@ /* * Updates the attributes of a page in three steps: * - * 1. invalidate the page table entry - * 2. flush the TLB - * 3. install the new entry with the updated attributes - * - * Invalidating the pte means there are situations where this will not work - * when in theory it should. - * For example: - * - removing write from page whilst it is being executed - * - setting a page read-only whilst it is being read by another CPU + * 1. take the page_table_lock + * 2. install the new entry with the updated attributes + * 3. flush the TLB * + * This sequence is safe against concurrent updates, and also allows updating the + * attributes of a page currently being executed or accessed. */ static int change_page_attr(pte_t *ptep, unsigned long addr, void *data) { @@ -36,9 +32,7 @@ static int change_page_attr(pte_t *ptep, unsigned long addr, void *data) spin_lock(&init_mm.page_table_lock); - /* invalidate the PTE so it's safe to modify */ - pte = ptep_get_and_clear(&init_mm, addr, ptep); - flush_tlb_kernel_range(addr, addr + PAGE_SIZE); + pte = ptep_get(ptep); /* modify the PTE bits as desired, then apply */ switch (action) { @@ -59,11 +53,14 @@ static int change_page_attr(pte_t *ptep, unsigned long addr, void *data) break; } - set_pte_at(&init_mm, addr, ptep, pte); + pte_update(&init_mm, addr, ptep, ~0UL, pte_val(pte), 0); /* See ptesync comment in radix__set_pte_at() */ if (radix_enabled()) asm volatile("ptesync": : :"memory"); + + flush_tlb_kernel_range(addr, addr + PAGE_SIZE); + spin_unlock(&init_mm.page_table_lock); return 0; diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c index 34bb1583fc0c..beb12cbc8c29 100644 --- a/arch/powerpc/net/bpf_jit_comp32.c +++ b/arch/powerpc/net/bpf_jit_comp32.c @@ -738,6 +738,12 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context * break; /* + * BPF_ST NOSPEC (speculation barrier) + */ + case BPF_ST | BPF_NOSPEC: + break; + + /* * BPF_ST(X) */ case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src */ diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index de8595880fee..b87a63dba9c8 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -628,6 +628,12 @@ emit_clear: break; /* + * BPF_ST NOSPEC (speculation barrier) + */ + case BPF_ST | BPF_NOSPEC: + break; + + /* * BPF_ST(X) */ case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src */ diff --git a/arch/powerpc/platforms/4xx/uic.c b/arch/powerpc/platforms/4xx/uic.c index 36fb66ce54cf..89e2587b1a59 100644 --- a/arch/powerpc/platforms/4xx/uic.c +++ b/arch/powerpc/platforms/4xx/uic.c @@ -198,7 +198,6 @@ static void uic_irq_cascade(struct irq_desc *desc) struct uic *uic = irq_desc_get_handler_data(desc); u32 msr; int src; - int subvirq; raw_spin_lock(&desc->lock); if (irqd_is_level_type(idata)) @@ -213,8 +212,7 @@ static void uic_irq_cascade(struct irq_desc *desc) src = 32 - ffs(msr); - subvirq = irq_linear_revmap(uic->irqhost, src); - generic_handle_irq(subvirq); + generic_handle_domain_irq(uic->irqhost, src); uic_irq_ret: raw_spin_lock(&desc->lock); diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c index b2981634f1f8..ea46870e5d6e 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c @@ -81,11 +81,10 @@ static struct irq_chip cpld_pic = { .irq_unmask = cpld_unmask_irq, }; -static int +static unsigned int cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp, u8 __iomem *maskp) { - int cpld_irq; u8 status = in_8(statusp); u8 mask = in_8(maskp); @@ -93,28 +92,26 @@ cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp, status |= (ignore | mask); if (status == 0xff) - return 0; - - cpld_irq = ffz(status) + offset; + return ~0; - return irq_linear_revmap(cpld_pic_host, cpld_irq); + return ffz(status) + offset; } static void cpld_pic_cascade(struct irq_desc *desc) { - unsigned int irq; + unsigned int hwirq; - irq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status, + hwirq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status, &cpld_regs->pci_mask); - if (irq) { - generic_handle_irq(irq); + if (hwirq != ~0) { + generic_handle_domain_irq(cpld_pic_host, hwirq); return; } - irq = cpld_pic_get_irq(8, MISC_IGNORE, &cpld_regs->misc_status, + hwirq = cpld_pic_get_irq(8, MISC_IGNORE, &cpld_regs->misc_status, &cpld_regs->misc_mask); - if (irq) { - generic_handle_irq(irq); + if (hwirq != ~0) { + generic_handle_domain_irq(cpld_pic_host, hwirq); return; } } diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index efb8bdecbcc7..110c444f4bc7 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -78,7 +78,7 @@ static struct irq_chip media5200_irq_chip = { static void media5200_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); - int sub_virq, val; + int val; u32 status, enable; /* Mask off the cascaded IRQ */ @@ -92,11 +92,10 @@ static void media5200_irq_cascade(struct irq_desc *desc) enable = in_be32(media5200_irq.regs + MEDIA5200_IRQ_STATUS); val = ffs((status & enable) >> MEDIA5200_IRQ_SHIFT); if (val) { - sub_virq = irq_linear_revmap(media5200_irq.irqhost, val - 1); - /* pr_debug("%s: virq=%i s=%.8x e=%.8x hwirq=%i subvirq=%i\n", - * __func__, virq, status, enable, val - 1, sub_virq); + generic_handle_domain_irq(media5200_irq.irqhost, val - 1); + /* pr_debug("%s: virq=%i s=%.8x e=%.8x hwirq=%i\n", + * __func__, virq, status, enable, val - 1); */ - generic_handle_irq(sub_virq); } /* Processing done; can reenable the cascade now */ diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index 3823df235f25..f862b48b4824 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -190,14 +190,11 @@ static struct irq_chip mpc52xx_gpt_irq_chip = { static void mpc52xx_gpt_irq_cascade(struct irq_desc *desc) { struct mpc52xx_gpt_priv *gpt = irq_desc_get_handler_data(desc); - int sub_virq; u32 status; status = in_be32(&gpt->regs->status) & MPC52xx_GPT_STATUS_IRQMASK; - if (status) { - sub_virq = irq_linear_revmap(gpt->irqhost, 0); - generic_handle_irq(sub_virq); - } + if (status) + generic_handle_domain_irq(gpt->irqhost, 0); } static int mpc52xx_gpt_irq_map(struct irq_domain *h, unsigned int virq, diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c index f82f75a6085c..285bfe19b798 100644 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c @@ -91,10 +91,8 @@ static void pq2ads_pci_irq_demux(struct irq_desc *desc) break; for (bit = 0; pend != 0; ++bit, pend <<= 1) { - if (pend & 0x80000000) { - int virq = irq_linear_revmap(priv->host, bit); - generic_handle_irq(virq); - } + if (pend & 0x80000000) + generic_handle_domain_irq(priv->host, bit); } } } diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 6794145603de..a208997ade88 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -98,7 +98,7 @@ config PPC_BOOK3S_64 select PPC_HAVE_PMU_SUPPORT select HAVE_ARCH_TRANSPARENT_HUGEPAGE select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION - select ARCH_ENABLE_PMD_SPLIT_PTLOCK + select ARCH_ENABLE_SPLIT_PMD_PTLOCK select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_SUPPORTS_HUGETLBFS select ARCH_SUPPORTS_NUMA_BALANCING diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index c0ab62ba6f16..0873a7a20271 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -106,13 +106,9 @@ static void iic_ioexc_cascade(struct irq_desc *desc) out_be64(&node_iic->iic_is, ack); /* handle them */ for (cascade = 63; cascade >= 0; cascade--) - if (bits & (0x8000000000000000UL >> cascade)) { - unsigned int cirq = - irq_linear_revmap(iic_host, + if (bits & (0x8000000000000000UL >> cascade)) + generic_handle_domain_irq(iic_host, base | cascade); - if (cirq) - generic_handle_irq(cirq); - } /* post-ack level interrupts */ ack = bits & ~IIC_ISR_EDGE_MASK; if (ack) diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index 210785f59271..8af75867cb42 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -190,16 +190,11 @@ static void spider_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct spider_pic *pic = irq_desc_get_handler_data(desc); - unsigned int cs, virq; + unsigned int cs; cs = in_be32(pic->regs + TIR_CS) >> 24; - if (cs == SPIDER_IRQ_INVALID) - virq = 0; - else - virq = irq_linear_revmap(pic->host, cs); - - if (virq) - generic_handle_irq(virq); + if (cs != SPIDER_IRQ_INVALID) + generic_handle_domain_irq(pic->host, cs); chip->irq_eoi(&desc->irq_data); } diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index a1b7f79a8a15..15396333a90b 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -108,7 +108,6 @@ static const struct irq_domain_ops hlwd_irq_domain_ops = { static unsigned int __hlwd_pic_get_irq(struct irq_domain *h) { void __iomem *io_base = h->host_data; - int irq; u32 irq_status; irq_status = in_be32(io_base + HW_BROADWAY_ICR) & @@ -116,23 +115,22 @@ static unsigned int __hlwd_pic_get_irq(struct irq_domain *h) if (irq_status == 0) return 0; /* no more IRQs pending */ - irq = __ffs(irq_status); - return irq_linear_revmap(h, irq); + return __ffs(irq_status); } static void hlwd_pic_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct irq_domain *irq_domain = irq_desc_get_handler_data(desc); - unsigned int virq; + unsigned int hwirq; raw_spin_lock(&desc->lock); chip->irq_mask(&desc->irq_data); /* IRQ_LEVEL */ raw_spin_unlock(&desc->lock); - virq = __hlwd_pic_get_irq(irq_domain); - if (virq) - generic_handle_irq(virq); + hwirq = __hlwd_pic_get_irq(irq_domain); + if (hwirq) + generic_handle_domain_irq(irq_domain, hwirq); else pr_err("spurious interrupt!\n"); @@ -190,7 +188,8 @@ static struct irq_domain *hlwd_pic_init(struct device_node *np) unsigned int hlwd_pic_get_irq(void) { - return __hlwd_pic_get_irq(hlwd_irq_host); + unsigned int hwirq = __hlwd_pic_get_irq(hlwd_irq_host); + return hwirq ? irq_linear_revmap(hlwd_irq_host, hwirq) : 0; } /* diff --git a/arch/powerpc/platforms/pasemi/idle.c b/arch/powerpc/platforms/pasemi/idle.c index 9b88e3cded7d..534b0317fc15 100644 --- a/arch/powerpc/platforms/pasemi/idle.c +++ b/arch/powerpc/platforms/pasemi/idle.c @@ -42,6 +42,7 @@ static int pasemi_system_reset_exception(struct pt_regs *regs) switch (regs->msr & SRR1_WAKEMASK) { case SRR1_WAKEDEC: set_dec(1); + break; case SRR1_WAKEEE: /* * Handle these when interrupts get re-enabled and we take diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index bdfea6d6ab69..3256a316e884 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -146,6 +146,7 @@ static inline void psurge_clr_ipi(int cpu) switch(psurge_type) { case PSURGE_DUAL: out_8(psurge_sec_intr, ~0); + break; case PSURGE_NONE: break; default: diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index c164419e254d..d55652b5f6fa 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -46,18 +46,15 @@ void opal_handle_events(void) e = READ_ONCE(last_outstanding_events) & opal_event_irqchip.mask; again: while (e) { - int virq, hwirq; + int hwirq; hwirq = fls64(e) - 1; e &= ~BIT_ULL(hwirq); local_irq_disable(); - virq = irq_find_mapping(opal_event_irqchip.domain, hwirq); - if (virq) { - irq_enter(); - generic_handle_irq(virq); - irq_exit(); - } + irq_enter(); + generic_handle_domain_irq(opal_event_irqchip.domain, hwirq); + irq_exit(); local_irq_enable(); cond_resched(); diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c index 1a5665875165..cc5774c64fae 100644 --- a/arch/powerpc/platforms/ps3/system-bus.c +++ b/arch/powerpc/platforms/ps3/system-bus.c @@ -381,7 +381,7 @@ static int ps3_system_bus_probe(struct device *_dev) return result; } -static int ps3_system_bus_remove(struct device *_dev) +static void ps3_system_bus_remove(struct device *_dev) { struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); struct ps3_system_bus_driver *drv; @@ -399,7 +399,6 @@ static int ps3_system_bus_remove(struct device *_dev) __func__, __LINE__, drv->core.name); pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, dev_name(&dev->core)); - return 0; } static void ps3_system_bus_shutdown(struct device *_dev) diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c index c6c79ef55e13..7ee3ed7d6cc2 100644 --- a/arch/powerpc/platforms/pseries/ibmebus.c +++ b/arch/powerpc/platforms/pseries/ibmebus.c @@ -366,14 +366,13 @@ static int ibmebus_bus_device_probe(struct device *dev) return error; } -static int ibmebus_bus_device_remove(struct device *dev) +static void ibmebus_bus_device_remove(struct device *dev) { struct platform_device *of_dev = to_platform_device(dev); struct platform_driver *drv = to_platform_driver(dev->driver); if (dev->driver && drv->remove) drv->remove(of_dev); - return 0; } static void ibmebus_bus_device_shutdown(struct device *dev) diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 631a0d57b6cd..0dfaa6ab44cc 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -77,7 +77,7 @@ #include "../../../../drivers/pci/pci.h" DEFINE_STATIC_KEY_FALSE(shared_processor); -EXPORT_SYMBOL_GPL(shared_processor); +EXPORT_SYMBOL(shared_processor); int CMO_PrPSP = -1; int CMO_SecPSP = -1; @@ -539,9 +539,10 @@ static void init_cpu_char_feature_flags(struct h_cpu_char_result *result) * H_CPU_BEHAV_FAVOUR_SECURITY_H could be set only if * H_CPU_BEHAV_FAVOUR_SECURITY is. */ - if (!(result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY)) + if (!(result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY)) { security_ftr_clear(SEC_FTR_FAVOUR_SECURITY); - else if (result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY_H) + pseries_security_flavor = 0; + } else if (result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY_H) pseries_security_flavor = 1; else pseries_security_flavor = 2; diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c index e00f3725ec96..58283cecbd52 100644 --- a/arch/powerpc/platforms/pseries/vio.c +++ b/arch/powerpc/platforms/pseries/vio.c @@ -1257,7 +1257,7 @@ static int vio_bus_probe(struct device *dev) } /* convert from struct device to struct vio_dev and pass to driver. */ -static int vio_bus_remove(struct device *dev) +static void vio_bus_remove(struct device *dev) { struct vio_dev *viodev = to_vio_dev(dev); struct vio_driver *viodrv = to_vio_driver(dev->driver); @@ -1276,7 +1276,6 @@ static int vio_bus_remove(struct device *dev) vio_cmo_bus_remove(viodev); put_device(devptr); - return 0; } static void vio_bus_shutdown(struct device *dev) diff --git a/arch/powerpc/sysdev/fsl_mpic_err.c b/arch/powerpc/sysdev/fsl_mpic_err.c index 5fa5fa215541..9a98bb212922 100644 --- a/arch/powerpc/sysdev/fsl_mpic_err.c +++ b/arch/powerpc/sysdev/fsl_mpic_err.c @@ -99,7 +99,6 @@ static irqreturn_t fsl_error_int_handler(int irq, void *data) struct mpic *mpic = (struct mpic *) data; u32 eisr, eimr; int errint; - unsigned int cascade_irq; eisr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EISR); eimr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EIMR); @@ -108,13 +107,11 @@ static irqreturn_t fsl_error_int_handler(int irq, void *data) return IRQ_NONE; while (eisr) { + int ret; errint = __builtin_clz(eisr); - cascade_irq = irq_linear_revmap(mpic->irqhost, - mpic->err_int_vecs[errint]); - WARN_ON(!cascade_irq); - if (cascade_irq) { - generic_handle_irq(cascade_irq); - } else { + ret = generic_handle_domain_irq(mpic->irqhost, + mpic->err_int_vecs[errint]); + if (WARN_ON(ret)) { eimr |= 1 << (31 - errint); mpic_fsl_err_write(mpic->err_regs, eimr); } diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 808e7118abfc..e6b06c3f8197 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -266,7 +266,6 @@ out_free: static irqreturn_t fsl_msi_cascade(int irq, void *data) { - unsigned int cascade_irq; struct fsl_msi *msi_data; int msir_index = -1; u32 msir_value = 0; @@ -279,9 +278,6 @@ static irqreturn_t fsl_msi_cascade(int irq, void *data) msir_index = cascade_data->index; - if (msir_index >= NR_MSI_REG_MAX) - cascade_irq = 0; - switch (msi_data->feature & FSL_PIC_IP_MASK) { case FSL_PIC_IP_MPIC: msir_value = fsl_msi_read(msi_data->msi_regs, @@ -305,15 +301,15 @@ static irqreturn_t fsl_msi_cascade(int irq, void *data) } while (msir_value) { + int err; intr_index = ffs(msir_value) - 1; - cascade_irq = irq_linear_revmap(msi_data->irqhost, + err = generic_handle_domain_irq(msi_data->irqhost, msi_hwirq(msi_data, msir_index, intr_index + have_shift)); - if (cascade_irq) { - generic_handle_irq(cascade_irq); + if (!err) ret = IRQ_HANDLED; - } + have_shift += intr_index + 1; msir_value = msir_value >> (intr_index + 1); } diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index dbdbbc2f1dc5..8183ca343675 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -67,6 +67,7 @@ static struct irq_domain *xive_irq_domain; static struct xive_ipi_desc { unsigned int irq; char name[16]; + atomic_t started; } *xive_ipis; /* @@ -1120,7 +1121,7 @@ static const struct irq_domain_ops xive_ipi_irq_domain_ops = { .alloc = xive_ipi_irq_domain_alloc, }; -static int __init xive_request_ipi(void) +static int __init xive_init_ipis(void) { struct fwnode_handle *fwnode; struct irq_domain *ipi_domain; @@ -1144,10 +1145,6 @@ static int __init xive_request_ipi(void) struct xive_ipi_desc *xid = &xive_ipis[node]; struct xive_ipi_alloc_info info = { node }; - /* Skip nodes without CPUs */ - if (cpumask_empty(cpumask_of_node(node))) - continue; - /* * Map one IPI interrupt per node for all cpus of that node. * Since the HW interrupt number doesn't have any meaning, @@ -1159,11 +1156,6 @@ static int __init xive_request_ipi(void) xid->irq = ret; snprintf(xid->name, sizeof(xid->name), "IPI-%d", node); - - ret = request_irq(xid->irq, xive_muxed_ipi_action, - IRQF_PERCPU | IRQF_NO_THREAD, xid->name, NULL); - - WARN(ret < 0, "Failed to request IPI %d: %d\n", xid->irq, ret); } return ret; @@ -1178,6 +1170,22 @@ out: return ret; } +static int xive_request_ipi(unsigned int cpu) +{ + struct xive_ipi_desc *xid = &xive_ipis[early_cpu_to_node(cpu)]; + int ret; + + if (atomic_inc_return(&xid->started) > 1) + return 0; + + ret = request_irq(xid->irq, xive_muxed_ipi_action, + IRQF_PERCPU | IRQF_NO_THREAD, + xid->name, NULL); + + WARN(ret < 0, "Failed to request IPI %d: %d\n", xid->irq, ret); + return ret; +} + static int xive_setup_cpu_ipi(unsigned int cpu) { unsigned int xive_ipi_irq = xive_ipi_cpu_to_irq(cpu); @@ -1192,6 +1200,9 @@ static int xive_setup_cpu_ipi(unsigned int cpu) if (xc->hw_ipi != XIVE_BAD_IRQ) return 0; + /* Register the IPI */ + xive_request_ipi(cpu); + /* Grab an IPI from the backend, this will populate xc->hw_ipi */ if (xive_ops->get_ipi(cpu, xc)) return -EIO; @@ -1231,6 +1242,8 @@ static void xive_cleanup_cpu_ipi(unsigned int cpu, struct xive_cpu *xc) if (xc->hw_ipi == XIVE_BAD_IRQ) return; + /* TODO: clear IPI mapping */ + /* Mask the IPI */ xive_do_source_set_mask(&xc->ipi_data, true); @@ -1253,7 +1266,7 @@ void __init xive_smp_probe(void) smp_ops->cause_ipi = xive_cause_ipi; /* Register the IPI */ - xive_request_ipi(); + xive_init_ipis(); /* Allocate and setup IPI for the boot CPU */ xive_setup_cpu_ipi(smp_processor_id()); diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 8fcceb8eda07..4f7b70ae7c31 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -492,10 +492,16 @@ config CC_HAVE_STACKPROTECTOR_TLS config STACKPROTECTOR_PER_TASK def_bool y + depends on !GCC_PLUGIN_RANDSTRUCT depends on STACKPROTECTOR && CC_HAVE_STACKPROTECTOR_TLS +config PHYS_RAM_BASE_FIXED + bool "Explicitly specified physical RAM address" + default n + config PHYS_RAM_BASE hex "Platform Physical RAM address" + depends on PHYS_RAM_BASE_FIXED default "0x80000000" help This is the physical address of RAM in the system. It has to be @@ -508,6 +514,7 @@ config XIP_KERNEL # This prevents XIP from being enabled by all{yes,mod}config, which # fail to build since XIP doesn't support large kernels. depends on !COMPILE_TEST + select PHYS_RAM_BASE_FIXED help Execute-In-Place allows the kernel to run from non-volatile storage directly addressable by the CPU, such as NOR flash. This saves RAM diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts index ec79944065c9..baea7d204639 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts @@ -14,6 +14,10 @@ model = "Microchip PolarFire-SoC Icicle Kit"; compatible = "microchip,mpfs-icicle-kit"; + aliases { + ethernet0 = &emac1; + }; + chosen { stdout-path = &serial0; }; diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index b9819570a7d1..9d2fbbc1f777 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -317,7 +317,7 @@ reg = <0x0 0x20112000 0x0 0x2000>; interrupt-parent = <&plic>; interrupts = <70 71 72 73>; - mac-address = [00 00 00 00 00 00]; + local-mac-address = [00 00 00 00 00 00]; clocks = <&clkcfg 5>, <&clkcfg 2>; status = "disabled"; clock-names = "pclk", "hclk"; diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts index b1c3c596578f..2e4ea84f27e7 100644 --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts @@ -24,7 +24,7 @@ memory@80000000 { device_type = "memory"; - reg = <0x0 0x80000000 0x2 0x00000000>; + reg = <0x0 0x80000000 0x4 0x00000000>; }; soc { diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig index 1f2be234b11c..bc68231a8fb7 100644 --- a/arch/riscv/configs/defconfig +++ b/arch/riscv/configs/defconfig @@ -132,7 +132,6 @@ CONFIG_DEBUG_PLIST=y CONFIG_DEBUG_SG=y # CONFIG_RCU_TRACE is not set CONFIG_RCU_EQS_DEBUG=y -CONFIG_DEBUG_BLOCK_EXT_DEVT=y # CONFIG_FTRACE is not set # CONFIG_RUNTIME_TESTING_MENU is not set CONFIG_MEMTEST=y diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig index 8dd02b842fef..434ef5b64599 100644 --- a/arch/riscv/configs/rv32_defconfig +++ b/arch/riscv/configs/rv32_defconfig @@ -127,7 +127,6 @@ CONFIG_DEBUG_PLIST=y CONFIG_DEBUG_SG=y # CONFIG_RCU_TRACE is not set CONFIG_RCU_EQS_DEBUG=y -CONFIG_DEBUG_BLOCK_EXT_DEVT=y # CONFIG_FTRACE is not set # CONFIG_RUNTIME_TESTING_MENU is not set CONFIG_MEMTEST=y diff --git a/arch/riscv/include/asm/efi.h b/arch/riscv/include/asm/efi.h index 6d98cd999680..49b398fe99f1 100644 --- a/arch/riscv/include/asm/efi.h +++ b/arch/riscv/include/asm/efi.h @@ -13,6 +13,7 @@ #ifdef CONFIG_EFI extern void efi_init(void); +extern void efifb_setup_from_dmi(struct screen_info *si, const char *opt); #else #define efi_init() #endif @@ -27,10 +28,10 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); #define ARCH_EFI_IRQ_FLAGS_MASK (SR_IE | SR_SPIE) -/* Load initrd at enough distance from DRAM start */ +/* Load initrd anywhere in system RAM */ static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr) { - return image_addr + SZ_256M; + return ULONG_MAX; } #define alloc_screen_info(x...) (&screen_info) @@ -39,10 +40,6 @@ static inline void free_screen_info(struct screen_info *si) { } -static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt) -{ -} - void efi_virtmap_load(void); void efi_virtmap_unload(void); diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h index cca8764aed83..b0ca5058e7ae 100644 --- a/arch/riscv/include/asm/page.h +++ b/arch/riscv/include/asm/page.h @@ -103,6 +103,7 @@ struct kernel_mapping { }; extern struct kernel_mapping kernel_map; +extern phys_addr_t phys_ram_base; #ifdef CONFIG_64BIT #define is_kernel_mapping(x) \ @@ -113,9 +114,9 @@ extern struct kernel_mapping kernel_map; #define linear_mapping_pa_to_va(x) ((void *)((unsigned long)(x) + kernel_map.va_pa_offset)) #define kernel_mapping_pa_to_va(y) ({ \ unsigned long _y = y; \ - (_y >= CONFIG_PHYS_RAM_BASE) ? \ - (void *)((unsigned long)(_y) + kernel_map.va_kernel_pa_offset + XIP_OFFSET) : \ - (void *)((unsigned long)(_y) + kernel_map.va_kernel_xip_pa_offset); \ + (IS_ENABLED(CONFIG_XIP_KERNEL) && _y < phys_ram_base) ? \ + (void *)((unsigned long)(_y) + kernel_map.va_kernel_xip_pa_offset) : \ + (void *)((unsigned long)(_y) + kernel_map.va_kernel_pa_offset + XIP_OFFSET); \ }) #define __pa_to_va_nodebug(x) linear_mapping_pa_to_va(x) diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile index d3081e4d9600..3397ddac1a30 100644 --- a/arch/riscv/kernel/Makefile +++ b/arch/riscv/kernel/Makefile @@ -11,7 +11,7 @@ endif CFLAGS_syscall_table.o += $(call cc-option,-Wno-override-init,) ifdef CONFIG_KEXEC -AFLAGS_kexec_relocate.o := -mcmodel=medany -mno-relax +AFLAGS_kexec_relocate.o := -mcmodel=medany $(call cc-option,-mno-relax) endif extra-y += head.o diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c index 1a85305720e8..9c0511119bad 100644 --- a/arch/riscv/kernel/ptrace.c +++ b/arch/riscv/kernel/ptrace.c @@ -10,6 +10,7 @@ #include <asm/ptrace.h> #include <asm/syscall.h> #include <asm/thread_info.h> +#include <asm/switch_to.h> #include <linux/audit.h> #include <linux/ptrace.h> #include <linux/elf.h> @@ -56,6 +57,9 @@ static int riscv_fpr_get(struct task_struct *target, { struct __riscv_d_ext_state *fstate = &target->thread.fstate; + if (target == current) + fstate_save(current, task_pt_regs(current)); + membuf_write(&to, fstate, offsetof(struct __riscv_d_ext_state, fcsr)); membuf_store(&to, fstate->fcsr); return membuf_zero(&to, 4); // explicitly pad diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 18bd0e4bc36c..120b2f6f71bc 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -229,8 +229,8 @@ static void __init init_resources(void) } /* Clean-up any unused pre-allocated resources */ - mem_res_sz = (num_resources - res_idx + 1) * sizeof(*mem_res); - memblock_free(__pa(mem_res), mem_res_sz); + if (res_idx >= 0) + memblock_free(__pa(mem_res), (res_idx + 1) * sizeof(*mem_res)); return; error: diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c index ff467b98c3e3..315db3d0229b 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -27,7 +27,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, fp = frame_pointer(regs); sp = user_stack_pointer(regs); pc = instruction_pointer(regs); - } else if (task == current) { + } else if (task == NULL || task == current) { fp = (unsigned long)__builtin_frame_address(1); sp = (unsigned long)__builtin_frame_address(0); pc = (unsigned long)__builtin_return_address(0); @@ -132,8 +132,12 @@ unsigned long get_wchan(struct task_struct *task) { unsigned long pc = 0; - if (likely(task && task != current && !task_is_running(task))) + if (likely(task && task != current && !task_is_running(task))) { + if (!try_get_task_stack(task)) + return 0; walk_stackframe(task, NULL, save_wchan, &pc); + put_task_stack(task); + } return pc; } diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S index bceb0629e440..63bc691cff91 100644 --- a/arch/riscv/lib/uaccess.S +++ b/arch/riscv/lib/uaccess.S @@ -30,23 +30,23 @@ ENTRY(__asm_copy_from_user) * t0 - end of uncopied dst */ add t0, a0, a2 - bgtu a0, t0, 5f /* * Use byte copy only if too small. + * SZREG holds 4 for RV32 and 8 for RV64 */ - li a3, 8*SZREG /* size must be larger than size in word_copy */ + li a3, 9*SZREG /* size must be larger than size in word_copy */ bltu a2, a3, .Lbyte_copy_tail /* - * Copy first bytes until dst is align to word boundary. + * Copy first bytes until dst is aligned to word boundary. * a0 - start of dst * t1 - start of aligned dst */ addi t1, a0, SZREG-1 andi t1, t1, ~(SZREG-1) /* dst is already aligned, skip */ - beq a0, t1, .Lskip_first_bytes + beq a0, t1, .Lskip_align_dst 1: /* a5 - one byte for copying data */ fixup lb a5, 0(a1), 10f @@ -55,7 +55,7 @@ ENTRY(__asm_copy_from_user) addi a0, a0, 1 /* dst */ bltu a0, t1, 1b /* t1 - start of aligned dst */ -.Lskip_first_bytes: +.Lskip_align_dst: /* * Now dst is aligned. * Use shift-copy if src is misaligned. @@ -72,10 +72,9 @@ ENTRY(__asm_copy_from_user) * * a0 - start of aligned dst * a1 - start of aligned src - * a3 - a1 & mask:(SZREG-1) * t0 - end of aligned dst */ - addi t0, t0, -(8*SZREG-1) /* not to over run */ + addi t0, t0, -(8*SZREG) /* not to over run */ 2: fixup REG_L a4, 0(a1), 10f fixup REG_L a5, SZREG(a1), 10f @@ -97,7 +96,7 @@ ENTRY(__asm_copy_from_user) addi a1, a1, 8*SZREG bltu a0, t0, 2b - addi t0, t0, 8*SZREG-1 /* revert to original value */ + addi t0, t0, 8*SZREG /* revert to original value */ j .Lbyte_copy_tail .Lshift_copy: @@ -107,7 +106,7 @@ ENTRY(__asm_copy_from_user) * For misaligned copy we still perform aligned word copy, but * we need to use the value fetched from the previous iteration and * do some shifts. - * This is safe because reading less than a word size. + * This is safe because reading is less than a word size. * * a0 - start of aligned dst * a1 - start of src @@ -117,7 +116,7 @@ ENTRY(__asm_copy_from_user) */ /* calculating aligned word boundary for dst */ andi t1, t0, ~(SZREG-1) - /* Converting unaligned src to aligned arc */ + /* Converting unaligned src to aligned src */ andi a1, a1, ~(SZREG-1) /* @@ -125,11 +124,11 @@ ENTRY(__asm_copy_from_user) * t3 - prev shift * t4 - current shift */ - slli t3, a3, LGREG + slli t3, a3, 3 /* converting bytes in a3 to bits */ li a5, SZREG*8 sub t4, a5, t3 - /* Load the first word to combine with seceond word */ + /* Load the first word to combine with second word */ fixup REG_L a5, 0(a1), 10f 3: @@ -161,7 +160,7 @@ ENTRY(__asm_copy_from_user) * a1 - start of remaining src * t0 - end of remaining dst */ - bgeu a0, t0, 5f + bgeu a0, t0, .Lout_copy_user /* check if end of copy */ 4: fixup lb a5, 0(a1), 10f addi a1, a1, 1 /* src */ @@ -169,7 +168,7 @@ ENTRY(__asm_copy_from_user) addi a0, a0, 1 /* dst */ bltu a0, t0, 4b /* t0 - end of dst */ -5: +.Lout_copy_user: /* Disable access to user memory */ csrc CSR_STATUS, t6 li a0, 0 diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 269fc648ef3d..7cb4f391d106 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -36,6 +36,9 @@ EXPORT_SYMBOL(kernel_map); #define kernel_map (*(struct kernel_mapping *)XIP_FIXUP(&kernel_map)) #endif +phys_addr_t phys_ram_base __ro_after_init; +EXPORT_SYMBOL(phys_ram_base); + #ifdef CONFIG_XIP_KERNEL extern char _xiprom[], _exiprom[]; #endif @@ -127,10 +130,17 @@ void __init mem_init(void) } /* - * The default maximal physical memory size is -PAGE_OFFSET, - * limit the memory size via mem. + * The default maximal physical memory size is -PAGE_OFFSET for 32-bit kernel, + * whereas for 64-bit kernel, the end of the virtual address space is occupied + * by the modules/BPF/kernel mappings which reduces the available size of the + * linear mapping. + * Limit the memory size via mem. */ +#ifdef CONFIG_64BIT +static phys_addr_t memory_limit = -PAGE_OFFSET - SZ_4G; +#else static phys_addr_t memory_limit = -PAGE_OFFSET; +#endif static int __init early_mem(char *p) { @@ -152,8 +162,8 @@ static void __init setup_bootmem(void) { phys_addr_t vmlinux_end = __pa_symbol(&_end); phys_addr_t vmlinux_start = __pa_symbol(&_start); - phys_addr_t max_mapped_addr = __pa(~(ulong)0); - phys_addr_t dram_end; + phys_addr_t __maybe_unused max_mapped_addr; + phys_addr_t phys_ram_end; #ifdef CONFIG_XIP_KERNEL vmlinux_start = __pa_symbol(&_sdata); @@ -174,18 +184,28 @@ static void __init setup_bootmem(void) #endif memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start); - dram_end = memblock_end_of_DRAM(); + + phys_ram_end = memblock_end_of_DRAM(); +#ifndef CONFIG_64BIT +#ifndef CONFIG_XIP_KERNEL + phys_ram_base = memblock_start_of_DRAM(); +#endif /* * memblock allocator is not aware of the fact that last 4K bytes of * the addressable memory can not be mapped because of IS_ERR_VALUE * macro. Make sure that last 4k bytes are not usable by memblock - * if end of dram is equal to maximum addressable memory. + * if end of dram is equal to maximum addressable memory. For 64-bit + * kernel, this problem can't happen here as the end of the virtual + * address space is occupied by the kernel mapping then this check must + * be done as soon as the kernel mapping base address is determined. */ - if (max_mapped_addr == (dram_end - 1)) + max_mapped_addr = __pa(~(ulong)0); + if (max_mapped_addr == (phys_ram_end - 1)) memblock_set_current_limit(max_mapped_addr - 4096); +#endif - min_low_pfn = PFN_UP(memblock_start_of_DRAM()); - max_low_pfn = max_pfn = PFN_DOWN(dram_end); + min_low_pfn = PFN_UP(phys_ram_base); + max_low_pfn = max_pfn = PFN_DOWN(phys_ram_end); dma32_phys_limit = min(4UL * SZ_1G, (unsigned long)PFN_PHYS(max_low_pfn)); set_max_mapnr(max_low_pfn - ARCH_PFN_OFFSET); @@ -544,6 +564,7 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa) kernel_map.xiprom = (uintptr_t)CONFIG_XIP_PHYS_ADDR; kernel_map.xiprom_sz = (uintptr_t)(&_exiprom) - (uintptr_t)(&_xiprom); + phys_ram_base = CONFIG_PHYS_RAM_BASE; kernel_map.phys_addr = (uintptr_t)CONFIG_PHYS_RAM_BASE; kernel_map.size = (uintptr_t)(&_end) - (uintptr_t)(&_sdata); @@ -570,6 +591,14 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa) BUG_ON((PAGE_OFFSET % PGDIR_SIZE) != 0); BUG_ON((kernel_map.phys_addr % map_size) != 0); +#ifdef CONFIG_64BIT + /* + * The last 4K bytes of the addressable memory can not be mapped because + * of IS_ERR_VALUE macro. + */ + BUG_ON((kernel_map.virt_addr + kernel_map.size) > ADDRESS_SPACE_END - SZ_4K); +#endif + pt_ops.alloc_pte = alloc_pte_early; pt_ops.get_pte_virt = get_pte_virt_early; #ifndef __PAGETABLE_PMD_FOLDED @@ -709,6 +738,8 @@ static void __init setup_vm_final(void) if (start <= __pa(PAGE_OFFSET) && __pa(PAGE_OFFSET) < end) start = __pa(PAGE_OFFSET); + if (end >= __pa(PAGE_OFFSET) + memory_limit) + end = __pa(PAGE_OFFSET) + memory_limit; map_size = best_map_size(start, end - start); for (pa = start; pa < end; pa += map_size) { diff --git a/arch/riscv/net/bpf_jit_comp32.c b/arch/riscv/net/bpf_jit_comp32.c index 81de865f4c7c..e6497424cbf6 100644 --- a/arch/riscv/net/bpf_jit_comp32.c +++ b/arch/riscv/net/bpf_jit_comp32.c @@ -1251,6 +1251,10 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx, return -1; break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + break; + case BPF_ST | BPF_MEM | BPF_B: case BPF_ST | BPF_MEM | BPF_H: case BPF_ST | BPF_MEM | BPF_W: diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index 87e3bf5b9086..3af4131c22c7 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -939,6 +939,10 @@ out_be: emit_ld(rd, 0, RV_REG_T1, ctx); break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + break; + /* ST: *(size *)(dst + off) = imm */ case BPF_ST | BPF_MEM | BPF_B: emit_imm(RV_REG_T1, imm, ctx); diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index a0e2130f0100..92c0a1b4c528 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -138,6 +138,8 @@ config S390 select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN select HAVE_ARCH_KASAN_VMALLOC + select HAVE_ARCH_KCSAN + select HAVE_ARCH_KFENCE select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_SOFT_DIRTY diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 1e3172877982..17dc4f1ac4fa 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -142,7 +142,8 @@ all: bzImage KBUILD_IMAGE := $(boot)/bzImage install: - $(Q)$(MAKE) $(build)=$(boot) $@ + sh -x $(srctree)/$(boot)/install.sh $(KERNELRELEASE) $(KBUILD_IMAGE) \ + System.map "$(INSTALL_PATH)" bzImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile index 41a64b8dce25..0ba646899131 100644 --- a/arch/s390/boot/Makefile +++ b/arch/s390/boot/Makefile @@ -7,6 +7,7 @@ KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n KASAN_SANITIZE := n +KCSAN_SANITIZE := n KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) @@ -36,7 +37,7 @@ CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char obj-y := head.o als.o startup.o mem_detect.o ipl_parm.o ipl_report.o obj-y += string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o -obj-y += version.o pgm_check_info.o ctype.o text_dma.o +obj-y += version.o pgm_check_info.o ctype.o obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o obj-$(CONFIG_RELOCATABLE) += machine_kexec_reloc.o obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o @@ -69,7 +70,3 @@ $(obj)/compressed/vmlinux: $(obj)/startup.a FORCE $(obj)/startup.a: $(OBJECTS) FORCE $(call if_changed,ar) - -install: - sh -x $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ - System.map "$(INSTALL_PATH)" diff --git a/arch/s390/boot/boot.h b/arch/s390/boot/boot.h index ae04e1c93764..641ce0fc5c3e 100644 --- a/arch/s390/boot/boot.h +++ b/arch/s390/boot/boot.h @@ -2,14 +2,9 @@ #ifndef BOOT_BOOT_H #define BOOT_BOOT_H +#include <asm/extable.h> #include <linux/types.h> -#define BOOT_STACK_OFFSET 0x8000 - -#ifndef __ASSEMBLY__ - -#include <linux/compiler.h> - void startup_kernel(void); unsigned long detect_memory(void); bool is_ipl_block_dump(void); @@ -18,17 +13,22 @@ void setup_boot_command_line(void); void parse_boot_command_line(void); void verify_facilities(void); void print_missing_facilities(void); +void sclp_early_setup_buffer(void); void print_pgm_check_info(void); unsigned long get_random_base(unsigned long safe_addr); void __printf(1, 2) decompressor_printk(const char *fmt, ...); +/* Symbols defined by linker scripts */ extern const char kernel_version[]; extern unsigned long memory_limit; extern unsigned long vmalloc_size; extern int vmalloc_size_set; extern int kaslr_enabled; +extern char __boot_data_start[], __boot_data_end[]; +extern char __boot_data_preserved_start[], __boot_data_preserved_end[]; +extern char _decompressor_syms_start[], _decompressor_syms_end[]; +extern char _stack_start[], _stack_end[]; unsigned long read_ipl_report(unsigned long safe_offset); -#endif /* __ASSEMBLY__ */ #endif /* BOOT_BOOT_H */ diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index 660c799d875d..3b860061e84d 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -9,8 +9,10 @@ KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n KASAN_SANITIZE := n +KCSAN_SANITIZE := n obj-y := $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) info.o +obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o obj-all := $(obj-y) piggy.o syms.o targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 diff --git a/arch/s390/boot/compressed/clz_ctz.c b/arch/s390/boot/compressed/clz_ctz.c new file mode 100644 index 000000000000..c3ebf248596b --- /dev/null +++ b/arch/s390/boot/compressed/clz_ctz.c @@ -0,0 +1,2 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "../../../../lib/clz_ctz.c" diff --git a/arch/s390/boot/compressed/decompressor.c b/arch/s390/boot/compressed/decompressor.c index 37a4a8d33c6c..e27c2140d620 100644 --- a/arch/s390/boot/compressed/decompressor.c +++ b/arch/s390/boot/compressed/decompressor.c @@ -23,11 +23,6 @@ #define memmove memmove #define memzero(s, n) memset((s), 0, (n)) -/* Symbols defined by linker scripts */ -extern char _end[]; -extern unsigned char _compressed_start[]; -extern unsigned char _compressed_end[]; - #ifdef CONFIG_KERNEL_BZIP2 #define BOOT_HEAP_SIZE 0x400000 #elif CONFIG_KERNEL_ZSTD diff --git a/arch/s390/boot/compressed/decompressor.h b/arch/s390/boot/compressed/decompressor.h index 41f0ad97a4db..a59f75c5b049 100644 --- a/arch/s390/boot/compressed/decompressor.h +++ b/arch/s390/boot/compressed/decompressor.h @@ -26,7 +26,12 @@ struct vmlinux_info { unsigned long rela_dyn_end; }; +/* Symbols defined by linker scripts */ +extern char _end[]; +extern unsigned char _compressed_start[]; +extern unsigned char _compressed_end[]; extern char _vmlinux_info[]; + #define vmlinux (*(struct vmlinux_info *)_vmlinux_info) #endif /* BOOT_COMPRESSED_DECOMPRESSOR_H */ diff --git a/arch/s390/boot/compressed/vmlinux.lds.S b/arch/s390/boot/compressed/vmlinux.lds.S index 27a09c1c78f6..918e05137d4c 100644 --- a/arch/s390/boot/compressed/vmlinux.lds.S +++ b/arch/s390/boot/compressed/vmlinux.lds.S @@ -1,6 +1,9 @@ /* SPDX-License-Identifier: GPL-2.0 */ #include <asm-generic/vmlinux.lds.h> #include <asm/vmlinux.lds.h> +#include <asm/thread_info.h> +#include <asm/page.h> +#include <asm/sclp.h> OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") OUTPUT_ARCH(s390:64-bit) @@ -34,27 +37,6 @@ SECTIONS *(.data.*) _edata = . ; } - /* - * .dma section for code, data, ex_table that need to stay below 2 GB, - * even when the kernel is relocate: above 2 GB. - */ - . = ALIGN(PAGE_SIZE); - _sdma = .; - .dma.text : { - _stext_dma = .; - *(.dma.text) - . = ALIGN(PAGE_SIZE); - _etext_dma = .; - } - . = ALIGN(16); - .dma.ex_table : { - _start_dma_ex_table = .; - KEEP(*(.dma.ex_table)) - _stop_dma_ex_table = .; - } - .dma.data : { *(.dma.data) } - . = ALIGN(PAGE_SIZE); - _edma = .; BOOT_DATA BOOT_DATA_PRESERVED @@ -69,6 +51,17 @@ SECTIONS *(.bss) *(.bss.*) *(COMMON) + /* + * Stacks for the decompressor + */ + . = ALIGN(PAGE_SIZE); + _dump_info_stack_start = .; + . += PAGE_SIZE; + _dump_info_stack_end = .; + . = ALIGN(PAGE_SIZE); + _stack_start = .; + . += BOOT_STACK_SIZE; + _stack_end = .; _ebss = .; } diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S index 51693cfb65c2..40f4cff538b8 100644 --- a/arch/s390/boot/head.S +++ b/arch/s390/boot/head.S @@ -25,13 +25,15 @@ #include <linux/init.h> #include <linux/linkage.h> #include <asm/asm-offsets.h> -#include <asm/thread_info.h> #include <asm/page.h> #include <asm/ptrace.h> -#include "boot.h" +#include <asm/sclp.h> #define ARCH_OFFSET 4 +#define EP_OFFSET 0x10008 +#define EP_STRING "S390EP" + __HEAD #define IPL_BS 0x730 @@ -275,11 +277,11 @@ iplstart: .Lcpuid:.fill 8,1,0 # -# startup-code at 0x10000, running in absolute addressing mode +# normal startup-code, running in absolute addressing mode # this is called either by the ipl loader or directly by PSW restart # or linload or SALIPL # - .org 0x10000 + .org STARTUP_NORMAL_OFFSET SYM_CODE_START(startup) j startup_normal .org EP_OFFSET @@ -292,9 +294,9 @@ SYM_CODE_START(startup) .ascii EP_STRING .byte 0x00,0x01 # -# kdump startup-code at 0x10010, running in 64 bit absolute addressing mode +# kdump startup-code, running in 64 bit absolute addressing mode # - .org 0x10010 + .org STARTUP_KDUMP_OFFSET j startup_kdump SYM_CODE_END(startup) SYM_CODE_START_LOCAL(startup_normal) @@ -315,18 +317,16 @@ SYM_CODE_START_LOCAL(startup_normal) xc 0x300(256),0x300 xc 0xe00(256),0xe00 xc 0xf00(256),0xf00 - lctlg %c0,%c15,.Lctl-.LPG0(%r13) # load control registers stcke __LC_BOOT_CLOCK mvc __LC_LAST_UPDATE_CLOCK(8),__LC_BOOT_CLOCK+1 spt 6f-.LPG0(%r13) mvc __LC_LAST_UPDATE_TIMER(8),6f-.LPG0(%r13) - l %r15,.Lstack-.LPG0(%r13) + larl %r15,_stack_end-STACK_FRAME_OVERHEAD + brasl %r14,sclp_early_setup_buffer brasl %r14,verify_facilities brasl %r14,startup_kernel SYM_CODE_END(startup_normal) -.Lstack: - .long BOOT_STACK_OFFSET + BOOT_STACK_SIZE - STACK_FRAME_OVERHEAD .align 8 6: .long 0x7fffffff,0xffffffff .Lext_new_psw: @@ -335,35 +335,6 @@ SYM_CODE_END(startup_normal) .quad 0x0000000180000000,startup_pgm_check_handler .Lio_new_psw: .quad 0x0002000180000000,0x1f0 # disabled wait -.Lctl: .quad 0x04040000 # cr0: AFP registers & secondary space - .quad 0 # cr1: primary space segment table - .quad .Lduct # cr2: dispatchable unit control table - .quad 0 # cr3: instruction authorization - .quad 0xffff # cr4: instruction authorization - .quad .Lduct # cr5: primary-aste origin - .quad 0 # cr6: I/O interrupts - .quad 0 # cr7: secondary space segment table - .quad 0x0000000000008000 # cr8: access registers translation - .quad 0 # cr9: tracing off - .quad 0 # cr10: tracing off - .quad 0 # cr11: tracing off - .quad 0 # cr12: tracing off - .quad 0 # cr13: home space segment table - .quad 0xc0000000 # cr14: machine check handling off - .quad .Llinkage_stack # cr15: linkage stack operations - - .section .dma.data,"aw",@progbits -.Lduct: .long 0,.Laste,.Laste,0,.Lduald,0,0,0 - .long 0,0,0,0,0,0,0,0 -.Llinkage_stack: - .long 0,0,0x89000000,0,0,0,0x8a000000,0 - .align 64 -.Laste: .quad 0,0xffffffffffffffff,0,0,0,0,0,0 - .align 128 -.Lduald:.rept 8 - .long 0x80000000,0,0,0 # invalid access-list entries - .endr - .previous #include "head_kdump.S" @@ -386,15 +357,13 @@ SYM_CODE_START_LOCAL(startup_pgm_check_handler) oi __LC_RETURN_PSW+1,0x2 # set wait state bit larl %r9,.Lold_psw_disabled_wait stg %r9,__LC_PGM_NEW_PSW+8 - l %r15,.Ldump_info_stack-.Lold_psw_disabled_wait(%r9) + larl %r15,_dump_info_stack_end-STACK_FRAME_OVERHEAD brasl %r14,print_pgm_check_info .Lold_psw_disabled_wait: la %r8,4095 lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r8) lpswe __LC_RETURN_PSW # disabled wait SYM_CODE_END(startup_pgm_check_handler) -.Ldump_info_stack: - .long 0x5000 + PAGE_SIZE - STACK_FRAME_OVERHEAD # # params at 10400 (setup.h) @@ -415,7 +384,4 @@ SYM_DATA_START(parmarea) .org PARMAREA+__PARMAREA_SIZE SYM_DATA_END(parmarea) - .org EARLY_SCCB_OFFSET - .fill 4096 - .org HEAD_END diff --git a/arch/s390/boot/ipl_report.c b/arch/s390/boot/ipl_report.c index 0b4965573656..9b14045065b6 100644 --- a/arch/s390/boot/ipl_report.c +++ b/arch/s390/boot/ipl_report.c @@ -54,9 +54,9 @@ static unsigned long find_bootdata_space(struct ipl_rb_components *comps, * not overlap with any component or any certificate. */ repeat: - if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && INITRD_START && INITRD_SIZE && - intersects(INITRD_START, INITRD_SIZE, safe_addr, size)) - safe_addr = INITRD_START + INITRD_SIZE; + if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && initrd_data.start && initrd_data.size && + intersects(initrd_data.start, initrd_data.size, safe_addr, size)) + safe_addr = initrd_data.start + initrd_data.size; for_each_rb_entry(comp, comps) if (intersects(safe_addr, size, comp->addr, comp->len)) { safe_addr = comp->addr + comp->len; diff --git a/arch/s390/boot/kaslr.c b/arch/s390/boot/kaslr.c index 0dd48fbdbaa4..d8984462071f 100644 --- a/arch/s390/boot/kaslr.c +++ b/arch/s390/boot/kaslr.c @@ -186,9 +186,9 @@ unsigned long get_random_base(unsigned long safe_addr) */ memory_limit -= kasan_estimate_memory_needs(memory_limit); - if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && INITRD_START && INITRD_SIZE) { - if (safe_addr < INITRD_START + INITRD_SIZE) - safe_addr = INITRD_START + INITRD_SIZE; + if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && initrd_data.start && initrd_data.size) { + if (safe_addr < initrd_data.start + initrd_data.size) + safe_addr = initrd_data.start + initrd_data.size; } safe_addr = ALIGN(safe_addr, THREAD_SIZE); diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c index 4e17adbde495..2f949cd9076b 100644 --- a/arch/s390/boot/mem_detect.c +++ b/arch/s390/boot/mem_detect.c @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/errno.h> #include <linux/init.h> +#include <asm/setup.h> +#include <asm/processor.h> #include <asm/sclp.h> #include <asm/sections.h> #include <asm/mem_detect.h> @@ -24,9 +26,9 @@ static void *mem_detect_alloc_extended(void) { unsigned long offset = ALIGN(mem_safe_offset(), sizeof(u64)); - if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && INITRD_START && INITRD_SIZE && - INITRD_START < offset + ENTRIES_EXTENDED_MAX) - offset = ALIGN(INITRD_START + INITRD_SIZE, sizeof(u64)); + if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && initrd_data.start && initrd_data.size && + initrd_data.start < offset + ENTRIES_EXTENDED_MAX) + offset = ALIGN(initrd_data.start + initrd_data.size, sizeof(u64)); return (void *)offset; } diff --git a/arch/s390/boot/pgm_check_info.c b/arch/s390/boot/pgm_check_info.c index 3a46abed2549..209f6ae5a197 100644 --- a/arch/s390/boot/pgm_check_info.c +++ b/arch/s390/boot/pgm_check_info.c @@ -29,7 +29,6 @@ static char *symstart(char *p) return p + 1; } -extern char _decompressor_syms_start[], _decompressor_syms_end[]; static noinline char *findsym(unsigned long ip, unsigned short *off, unsigned short *len) { /* symbol entries are in a form "10000 c4 startup\0" */ @@ -126,8 +125,8 @@ out: static noinline void print_stacktrace(void) { - struct stack_info boot_stack = { STACK_TYPE_TASK, BOOT_STACK_OFFSET, - BOOT_STACK_OFFSET + BOOT_STACK_SIZE }; + struct stack_info boot_stack = { STACK_TYPE_TASK, (unsigned long)_stack_start, + (unsigned long)_stack_end }; unsigned long sp = S390_lowcore.gpregs_save_area[15]; bool first = true; diff --git a/arch/s390/boot/sclp_early_core.c b/arch/s390/boot/sclp_early_core.c index 5a19fd7020b5..6f30646afbd0 100644 --- a/arch/s390/boot/sclp_early_core.c +++ b/arch/s390/boot/sclp_early_core.c @@ -1,2 +1,11 @@ // SPDX-License-Identifier: GPL-2.0 +#include "boot.h" #include "../../../drivers/s390/char/sclp_early_core.c" + +/* SCLP early buffer must stay page-aligned and below 2GB */ +static char __sclp_early_sccb[EXT_SCCB_READ_SCP] __aligned(PAGE_SIZE); + +void sclp_early_setup_buffer(void) +{ + sclp_early_set_buffer(&__sclp_early_sccb); +} diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c index d0cf21641e3a..6dc8d0a53864 100644 --- a/arch/s390/boot/startup.c +++ b/arch/s390/boot/startup.c @@ -12,9 +12,8 @@ #include <asm/uv.h> #include "compressed/decompressor.h" #include "boot.h" +#include "uv.h" -extern char __boot_data_start[], __boot_data_end[]; -extern char __boot_data_preserved_start[], __boot_data_preserved_end[]; unsigned long __bootdata_preserved(__kaslr_offset); unsigned long __bootdata_preserved(VMALLOC_START); unsigned long __bootdata_preserved(VMALLOC_END); @@ -24,44 +23,11 @@ unsigned long __bootdata_preserved(MODULES_VADDR); unsigned long __bootdata_preserved(MODULES_END); unsigned long __bootdata(ident_map_size); int __bootdata(is_full_image) = 1; +struct initrd_data __bootdata(initrd_data); u64 __bootdata_preserved(stfle_fac_list[16]); u64 __bootdata_preserved(alt_stfle_fac_list[16]); - -/* - * Some code and data needs to stay below 2 GB, even when the kernel would be - * relocated above 2 GB, because it has to use 31 bit addresses. - * Such code and data is part of the .dma section, and its location is passed - * over to the decompressed / relocated kernel via the .boot.preserved.data - * section. - */ -extern char _sdma[], _edma[]; -extern char _stext_dma[], _etext_dma[]; -extern struct exception_table_entry _start_dma_ex_table[]; -extern struct exception_table_entry _stop_dma_ex_table[]; -unsigned long __bootdata_preserved(__sdma) = __pa(&_sdma); -unsigned long __bootdata_preserved(__edma) = __pa(&_edma); -unsigned long __bootdata_preserved(__stext_dma) = __pa(&_stext_dma); -unsigned long __bootdata_preserved(__etext_dma) = __pa(&_etext_dma); -struct exception_table_entry * - __bootdata_preserved(__start_dma_ex_table) = _start_dma_ex_table; -struct exception_table_entry * - __bootdata_preserved(__stop_dma_ex_table) = _stop_dma_ex_table; - -int _diag210_dma(struct diag210 *addr); -int _diag26c_dma(void *req, void *resp, enum diag26c_sc subcode); -int _diag14_dma(unsigned long rx, unsigned long ry1, unsigned long subcode); -void _diag0c_dma(struct hypfs_diag0c_entry *entry); -void _diag308_reset_dma(void); -struct diag_ops __bootdata_preserved(diag_dma_ops) = { - .diag210 = _diag210_dma, - .diag26c = _diag26c_dma, - .diag14 = _diag14_dma, - .diag0c = _diag0c_dma, - .diag308_reset = _diag308_reset_dma -}; -static struct diag210 _diag210_tmp_dma __section(".dma.data"); -struct diag210 *__bootdata_preserved(__diag210_tmp_dma) = &_diag210_tmp_dma; +struct oldmem_data __bootdata_preserved(oldmem_data); void error(char *x) { @@ -91,12 +57,12 @@ static void rescue_initrd(unsigned long addr) { if (!IS_ENABLED(CONFIG_BLK_DEV_INITRD)) return; - if (!INITRD_START || !INITRD_SIZE) + if (!initrd_data.start || !initrd_data.size) return; - if (addr <= INITRD_START) + if (addr <= initrd_data.start) return; - memmove((void *)addr, (void *)INITRD_START, INITRD_SIZE); - INITRD_START = addr; + memmove((void *)addr, (void *)initrd_data.start, initrd_data.size); + initrd_data.start = addr; } static void copy_bootdata(void) @@ -169,9 +135,9 @@ static void setup_ident_map_size(unsigned long max_physmem_end) ident_map_size = min(ident_map_size, 1UL << MAX_PHYSMEM_BITS); #ifdef CONFIG_CRASH_DUMP - if (OLDMEM_BASE) { + if (oldmem_data.start) { kaslr_enabled = 0; - ident_map_size = min(ident_map_size, OLDMEM_SIZE); + ident_map_size = min(ident_map_size, oldmem_data.size); } else if (ipl_block_valid && is_ipl_block_dump()) { kaslr_enabled = 0; if (!sclp_early_get_hsa_size(&hsa_size) && hsa_size) @@ -282,12 +248,28 @@ static void setup_vmalloc_size(void) vmalloc_size = max(size, vmalloc_size); } +static void offset_vmlinux_info(unsigned long offset) +{ + vmlinux.default_lma += offset; + *(unsigned long *)(&vmlinux.entry) += offset; + vmlinux.bootdata_off += offset; + vmlinux.bootdata_preserved_off += offset; + vmlinux.rela_dyn_start += offset; + vmlinux.rela_dyn_end += offset; + vmlinux.dynsym_start += offset; +} + void startup_kernel(void) { unsigned long random_lma; unsigned long safe_addr; void *img; + initrd_data.start = parmarea.initrd_start; + initrd_data.size = parmarea.initrd_size; + oldmem_data.start = parmarea.oldmem_base; + oldmem_data.size = parmarea.oldmem_size; + setup_lpp(); store_ipl_parmblock(); safe_addr = mem_safe_offset(); @@ -297,23 +279,17 @@ void startup_kernel(void) sclp_early_read_info(); setup_boot_command_line(); parse_boot_command_line(); + sanitize_prot_virt_host(); setup_ident_map_size(detect_memory()); setup_vmalloc_size(); setup_kernel_memory_layout(); - random_lma = __kaslr_offset = 0; if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && kaslr_enabled) { random_lma = get_random_base(safe_addr); if (random_lma) { __kaslr_offset = random_lma - vmlinux.default_lma; img = (void *)vmlinux.default_lma; - vmlinux.default_lma += __kaslr_offset; - vmlinux.entry += __kaslr_offset; - vmlinux.bootdata_off += __kaslr_offset; - vmlinux.bootdata_preserved_off += __kaslr_offset; - vmlinux.rela_dyn_start += __kaslr_offset; - vmlinux.rela_dyn_end += __kaslr_offset; - vmlinux.dynsym_start += __kaslr_offset; + offset_vmlinux_info(__kaslr_offset); } } diff --git a/arch/s390/boot/uv.c b/arch/s390/boot/uv.c index f6b0c4f43c99..e6be155ab2e5 100644 --- a/arch/s390/boot/uv.c +++ b/arch/s390/boot/uv.c @@ -1,8 +1,12 @@ // SPDX-License-Identifier: GPL-2.0 #include <asm/uv.h> +#include <asm/boot_data.h> #include <asm/facility.h> #include <asm/sections.h> +#include "boot.h" +#include "uv.h" + /* will be used in arch/s390/kernel/uv.c */ #ifdef CONFIG_PROTECTED_VIRTUALIZATION_GUEST int __bootdata_preserved(prot_virt_guest); @@ -47,26 +51,34 @@ void uv_query_info(void) } #if IS_ENABLED(CONFIG_KVM) -static bool has_uv_sec_stor_limit(void) +void adjust_to_uv_max(unsigned long *vmax) { - /* - * keep these conditions in line with setup_uv() - */ - if (!is_prot_virt_host()) - return false; + if (is_prot_virt_host() && uv_info.max_sec_stor_addr) + *vmax = min_t(unsigned long, *vmax, uv_info.max_sec_stor_addr); +} +static int is_prot_virt_host_capable(void) +{ + /* disable if no prot_virt=1 given on command-line */ + if (!is_prot_virt_host()) + return 0; + /* disable if protected guest virtualization is enabled */ if (is_prot_virt_guest()) - return false; - + return 0; + /* disable if no hardware support */ if (!test_facility(158)) - return false; - - return !!uv_info.max_sec_stor_addr; + return 0; + /* disable if kdump */ + if (oldmem_data.start) + return 0; + /* disable if stand-alone dump */ + if (ipl_block_valid && is_ipl_block_dump()) + return 0; + return 1; } -void adjust_to_uv_max(unsigned long *vmax) +void sanitize_prot_virt_host(void) { - if (has_uv_sec_stor_limit()) - *vmax = min_t(unsigned long, *vmax, uv_info.max_sec_stor_addr); + prot_virt_host = is_prot_virt_host_capable(); } #endif diff --git a/arch/s390/boot/uv.h b/arch/s390/boot/uv.h new file mode 100644 index 000000000000..690ce019af5a --- /dev/null +++ b/arch/s390/boot/uv.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef BOOT_UV_H +#define BOOT_UV_H + +#if IS_ENABLED(CONFIG_KVM) +void adjust_to_uv_max(unsigned long *vmax); +void sanitize_prot_virt_host(void); +#else +static inline void adjust_to_uv_max(unsigned long *vmax) {} +static inline void sanitize_prot_virt_host(void) {} +#endif + +#if defined(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) || IS_ENABLED(CONFIG_KVM) +void uv_query_info(void); +#else +static inline void uv_query_info(void) {} +#endif + +#endif /* BOOT_UV_H */ diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index 86afcc6b56bf..11ffc7c37ada 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -5,6 +5,10 @@ CONFIG_WATCH_QUEUE=y CONFIG_AUDIT=y CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_BPF_SYSCALL=y +CONFIG_BPF_JIT=y +CONFIG_BPF_JIT_ALWAYS_ON=y +CONFIG_BPF_LSM=y CONFIG_PREEMPT=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y @@ -28,14 +32,13 @@ CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_CGROUP_PERF=y CONFIG_CGROUP_BPF=y +CONFIG_CGROUP_MISC=y CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CHECKPOINT_RESTORE=y CONFIG_SCHED_AUTOGROUP=y CONFIG_EXPERT=y # CONFIG_SYSFS_SYSCALL is not set -CONFIG_BPF_LSM=y -CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set CONFIG_PROFILING=y @@ -71,11 +74,11 @@ CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y CONFIG_MODULE_SIG_SHA256=y -CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y CONFIG_BLK_WBT=y CONFIG_BLK_CGROUP_IOLATENCY=y CONFIG_BLK_CGROUP_IOCOST=y +CONFIG_BLK_CGROUP_IOPRIO=y CONFIG_BLK_INLINE_ENCRYPTION=y CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y CONFIG_PARTITION_ADVANCED=y @@ -95,6 +98,7 @@ CONFIG_CLEANCACHE=y CONFIG_FRONTSWAP=y CONFIG_CMA_DEBUG=y CONFIG_CMA_DEBUGFS=y +CONFIG_CMA_SYSFS=y CONFIG_CMA_AREAS=7 CONFIG_MEM_SOFT_DIRTY=y CONFIG_ZSWAP=y @@ -158,6 +162,7 @@ CONFIG_IPV6_RPL_LWTUNNEL=y CONFIG_MPTCP=y CONFIG_NETFILTER=y CONFIG_BRIDGE_NETFILTER=m +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_SECMARK=y CONFIG_NF_CONNTRACK_EVENTS=y @@ -280,6 +285,7 @@ CONFIG_IP_VS_FTP=m CONFIG_IP_VS_PE_SIP=m CONFIG_NFT_FIB_IPV4=m CONFIG_NF_TABLES_ARP=y +CONFIG_NF_LOG_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -327,7 +333,7 @@ CONFIG_L2TP_DEBUGFS=m CONFIG_L2TP_V3=y CONFIG_L2TP_IP=m CONFIG_L2TP_ETH=m -CONFIG_BRIDGE=m +CONFIG_BRIDGE=y CONFIG_BRIDGE_MRP=y CONFIG_VLAN_8021Q=m CONFIG_VLAN_8021Q_GVRP=y @@ -384,12 +390,11 @@ CONFIG_VSOCKETS=m CONFIG_VIRTIO_VSOCKETS=m CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y -CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m CONFIG_PCI=y -CONFIG_PCI_IOV=y # CONFIG_PCIEASPM is not set CONFIG_PCI_DEBUG=y +CONFIG_PCI_IOV=y CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_S390=y CONFIG_DEVTMPFS=y @@ -436,7 +441,7 @@ CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m CONFIG_MD_CLUSTER=m CONFIG_BCACHE=m -CONFIG_BLK_DEV_DM=m +CONFIG_BLK_DEV_DM=y CONFIG_DM_UNSTRIPED=m CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m @@ -453,11 +458,13 @@ CONFIG_DM_MULTIPATH_ST=m CONFIG_DM_MULTIPATH_HST=m CONFIG_DM_MULTIPATH_IOA=m CONFIG_DM_DELAY=m +CONFIG_DM_INIT=y CONFIG_DM_UEVENT=y CONFIG_DM_FLAKEY=m CONFIG_DM_VERITY=m CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG=y CONFIG_DM_SWITCH=m +CONFIG_DM_INTEGRITY=m CONFIG_NETDEVICES=y CONFIG_BONDING=m CONFIG_DUMMY=m @@ -495,6 +502,7 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_GOOGLE is not set # CONFIG_NET_VENDOR_HUAWEI is not set # CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MICROSOFT is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m CONFIG_MLX5_CORE=m @@ -551,7 +559,6 @@ CONFIG_INPUT_EVDEV=y CONFIG_LEGACY_PTY_COUNT=0 CONFIG_VIRTIO_CONSOLE=m CONFIG_HW_RANDOM_VIRTIO=m -CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m CONFIG_TN3270_FS=y CONFIG_PPS=m @@ -574,7 +581,6 @@ CONFIG_SYNC_FILE=y CONFIG_VFIO=m CONFIG_VFIO_PCI=m CONFIG_VFIO_MDEV=m -CONFIG_VFIO_MDEV_DEVICE=m CONFIG_VIRTIO_PCI=m CONFIG_VIRTIO_BALLOON=m CONFIG_VIRTIO_INPUT=y @@ -619,6 +625,7 @@ CONFIG_FUSE_FS=y CONFIG_CUSE=m CONFIG_VIRTIO_FS=m CONFIG_OVERLAY_FS=m +CONFIG_NETFS_STATS=y CONFIG_FSCACHE=m CONFIG_CACHEFILES=m CONFIG_ISO9660_FS=y @@ -654,7 +661,6 @@ CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y CONFIG_CIFS=m -CONFIG_CIFS_STATS2=y CONFIG_CIFS_WEAK_PW_HASH=y CONFIG_CIFS_UPCALL=y CONFIG_CIFS_XATTR=y @@ -682,6 +688,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_DISABLE=y CONFIG_SECURITY_LOCKDOWN_LSM=y CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y +CONFIG_SECURITY_LANDLOCK=y CONFIG_INTEGRITY_SIGNATURE=y CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y CONFIG_IMA=y @@ -696,6 +703,7 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_DH=m CONFIG_CRYPTO_ECDH=m +CONFIG_CRYPTO_ECDSA=m CONFIG_CRYPTO_ECRDSA=m CONFIG_CRYPTO_SM2=m CONFIG_CRYPTO_CURVE25519=m @@ -843,7 +851,6 @@ CONFIG_FAULT_INJECTION_DEBUG_FS=y CONFIG_FAIL_FUNCTION=y CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y CONFIG_LKDTM=m -CONFIG_TEST_LIST_SORT=y CONFIG_TEST_MIN_HEAP=y CONFIG_TEST_SORT=y CONFIG_KPROBES_SANITY_TEST=y @@ -853,3 +860,4 @@ CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y CONFIG_TEST_BITOPS=m CONFIG_TEST_BPF=m +CONFIG_TEST_LIVEPATCH=m diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index 71b49ea5b058..e1642d2cba59 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -4,6 +4,10 @@ CONFIG_WATCH_QUEUE=y CONFIG_AUDIT=y CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_BPF_SYSCALL=y +CONFIG_BPF_JIT=y +CONFIG_BPF_JIT_ALWAYS_ON=y +CONFIG_BPF_LSM=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_TASKSTATS=y @@ -26,14 +30,13 @@ CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_CGROUP_PERF=y CONFIG_CGROUP_BPF=y +CONFIG_CGROUP_MISC=y CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CHECKPOINT_RESTORE=y CONFIG_SCHED_AUTOGROUP=y CONFIG_EXPERT=y # CONFIG_SYSFS_SYSCALL is not set -CONFIG_BPF_LSM=y -CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set CONFIG_PROFILING=y @@ -70,6 +73,7 @@ CONFIG_BLK_DEV_THROTTLING=y CONFIG_BLK_WBT=y CONFIG_BLK_CGROUP_IOLATENCY=y CONFIG_BLK_CGROUP_IOCOST=y +CONFIG_BLK_CGROUP_IOPRIO=y CONFIG_BLK_INLINE_ENCRYPTION=y CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y CONFIG_PARTITION_ADVANCED=y @@ -87,6 +91,7 @@ CONFIG_KSM=y CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_CLEANCACHE=y CONFIG_FRONTSWAP=y +CONFIG_CMA_SYSFS=y CONFIG_CMA_AREAS=7 CONFIG_MEM_SOFT_DIRTY=y CONFIG_ZSWAP=y @@ -149,6 +154,7 @@ CONFIG_IPV6_RPL_LWTUNNEL=y CONFIG_MPTCP=y CONFIG_NETFILTER=y CONFIG_BRIDGE_NETFILTER=m +CONFIG_NETFILTER_NETLINK_HOOK=m CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_SECMARK=y CONFIG_NF_CONNTRACK_EVENTS=y @@ -271,6 +277,7 @@ CONFIG_IP_VS_FTP=m CONFIG_IP_VS_PE_SIP=m CONFIG_NFT_FIB_IPV4=m CONFIG_NF_TABLES_ARP=y +CONFIG_NF_LOG_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -317,7 +324,7 @@ CONFIG_L2TP_DEBUGFS=m CONFIG_L2TP_V3=y CONFIG_L2TP_IP=m CONFIG_L2TP_ETH=m -CONFIG_BRIDGE=m +CONFIG_BRIDGE=y CONFIG_BRIDGE_MRP=y CONFIG_VLAN_8021Q=m CONFIG_VLAN_8021Q_GVRP=y @@ -374,11 +381,10 @@ CONFIG_VSOCKETS=m CONFIG_VIRTIO_VSOCKETS=m CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y -CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m CONFIG_PCI=y -CONFIG_PCI_IOV=y # CONFIG_PCIEASPM is not set +CONFIG_PCI_IOV=y CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_S390=y CONFIG_UEVENT_HELPER=y @@ -427,7 +433,7 @@ CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m CONFIG_MD_CLUSTER=m CONFIG_BCACHE=m -CONFIG_BLK_DEV_DM=m +CONFIG_BLK_DEV_DM=y CONFIG_DM_UNSTRIPED=m CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m @@ -444,6 +450,7 @@ CONFIG_DM_MULTIPATH_ST=m CONFIG_DM_MULTIPATH_HST=m CONFIG_DM_MULTIPATH_IOA=m CONFIG_DM_DELAY=m +CONFIG_DM_INIT=y CONFIG_DM_UEVENT=y CONFIG_DM_FLAKEY=m CONFIG_DM_VERITY=m @@ -487,6 +494,7 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_GOOGLE is not set # CONFIG_NET_VENDOR_HUAWEI is not set # CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MICROSOFT is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m CONFIG_MLX5_CORE=m @@ -543,7 +551,6 @@ CONFIG_INPUT_EVDEV=y CONFIG_LEGACY_PTY_COUNT=0 CONFIG_VIRTIO_CONSOLE=m CONFIG_HW_RANDOM_VIRTIO=m -CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m CONFIG_TN3270_FS=y # CONFIG_PTP_1588_CLOCK is not set @@ -566,7 +573,6 @@ CONFIG_SYNC_FILE=y CONFIG_VFIO=m CONFIG_VFIO_PCI=m CONFIG_VFIO_MDEV=m -CONFIG_VFIO_MDEV_DEVICE=m CONFIG_VIRTIO_PCI=m CONFIG_VIRTIO_BALLOON=m CONFIG_VIRTIO_INPUT=y @@ -607,6 +613,7 @@ CONFIG_FUSE_FS=y CONFIG_CUSE=m CONFIG_VIRTIO_FS=m CONFIG_OVERLAY_FS=m +CONFIG_NETFS_STATS=y CONFIG_FSCACHE=m CONFIG_CACHEFILES=m CONFIG_ISO9660_FS=y @@ -642,7 +649,6 @@ CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y CONFIG_CIFS=m -CONFIG_CIFS_STATS2=y CONFIG_CIFS_WEAK_PW_HASH=y CONFIG_CIFS_UPCALL=y CONFIG_CIFS_XATTR=y @@ -669,6 +675,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_DISABLE=y CONFIG_SECURITY_LOCKDOWN_LSM=y CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y +CONFIG_SECURITY_LANDLOCK=y CONFIG_INTEGRITY_SIGNATURE=y CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y CONFIG_IMA=y @@ -684,6 +691,7 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_DH=m CONFIG_CRYPTO_ECDH=m +CONFIG_CRYPTO_ECDSA=m CONFIG_CRYPTO_ECRDSA=m CONFIG_CRYPTO_SM2=m CONFIG_CRYPTO_CURVE25519=m @@ -754,6 +762,7 @@ CONFIG_CRC8=m CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_PRINTK_TIME=y +CONFIG_DYNAMIC_DEBUG=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_INFO_DWARF4=y CONFIG_GDB_SCRIPTS=y @@ -781,3 +790,4 @@ CONFIG_LKDTM=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y CONFIG_TEST_BPF=m +CONFIG_TEST_LIVEPATCH=m diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig index 76123a4b26ab..d576aaab27c9 100644 --- a/arch/s390/configs/zfcpdump_defconfig +++ b/arch/s390/configs/zfcpdump_defconfig @@ -29,9 +29,9 @@ CONFIG_PARTITION_ADVANCED=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set # CONFIG_COMPACTION is not set # CONFIG_MIGRATION is not set -# CONFIG_BOUNCE is not set CONFIG_NET=y # CONFIG_IUCV is not set +# CONFIG_PCPU_DEV_REFCNT is not set # CONFIG_ETHTOOL_NETLINK is not set CONFIG_DEVTMPFS=y CONFIG_BLK_DEV_RAM=y @@ -51,7 +51,6 @@ CONFIG_ZFCP=y # CONFIG_SERIO is not set # CONFIG_HVC_IUCV is not set # CONFIG_HW_RANDOM_S390 is not set -CONFIG_RAW_DRIVER=y # CONFIG_HMC_DRV is not set # CONFIG_S390_TAPE is not set # CONFIG_VMCP is not set diff --git a/arch/s390/hypfs/hypfs_diag0c.c b/arch/s390/hypfs/hypfs_diag0c.c index 6c43d2ba2079..9a2786079e3a 100644 --- a/arch/s390/hypfs/hypfs_diag0c.c +++ b/arch/s390/hypfs/hypfs_diag0c.c @@ -21,7 +21,7 @@ static void diag0c_fn(void *data) { diag_stat_inc(DIAG_STAT_X00C); - diag_dma_ops.diag0c(((void **) data)[smp_processor_id()]); + diag_amode31_ops.diag0c(((void **)data)[smp_processor_id()]); } /* @@ -33,12 +33,12 @@ static void *diag0c_store(unsigned int *count) unsigned int cpu_count, cpu, i; void **cpu_vec; - get_online_cpus(); + cpus_read_lock(); cpu_count = num_online_cpus(); cpu_vec = kmalloc_array(num_possible_cpus(), sizeof(*cpu_vec), GFP_KERNEL); if (!cpu_vec) - goto fail_put_online_cpus; + goto fail_unlock_cpus; /* Note: Diag 0c needs 8 byte alignment and real storage */ diag0c_data = kzalloc(struct_size(diag0c_data, entry, cpu_count), GFP_KERNEL | GFP_DMA); @@ -54,13 +54,13 @@ static void *diag0c_store(unsigned int *count) on_each_cpu(diag0c_fn, cpu_vec, 1); *count = cpu_count; kfree(cpu_vec); - put_online_cpus(); + cpus_read_unlock(); return diag0c_data; fail_kfree_cpu_vec: kfree(cpu_vec); -fail_put_online_cpus: - put_online_cpus(); +fail_unlock_cpus: + cpus_read_unlock(); return ERR_PTR(-ENOMEM); } diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h index 20f169b6db4e..36dbf5043fc0 100644 --- a/arch/s390/include/asm/ccwgroup.h +++ b/arch/s390/include/asm/ccwgroup.h @@ -53,8 +53,6 @@ extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver); extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver); int ccwgroup_create_dev(struct device *root, struct ccwgroup_driver *gdrv, int num_devices, const char *buf); -struct ccwgroup_device *get_ccwgroupdev_by_busid(struct ccwgroup_driver *gdrv, - char *bus_id); extern int ccwgroup_set_online(struct ccwgroup_device *gdev); extern int ccwgroup_set_offline(struct ccwgroup_device *gdev); diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index f58c92f28701..1effac6a0152 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -5,7 +5,6 @@ #ifndef _ASM_S390_CIO_H_ #define _ASM_S390_CIO_H_ -#include <linux/spinlock.h> #include <linux/bitops.h> #include <linux/genalloc.h> #include <asm/types.h> diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h index ea5b9c34b7be..8d49505b4a43 100644 --- a/arch/s390/include/asm/compat.h +++ b/arch/s390/include/asm/compat.h @@ -9,6 +9,9 @@ #include <linux/sched/task_stack.h> #include <linux/thread_info.h> +#define compat_mode_t compat_mode_t +typedef u16 compat_mode_t; + #include <asm-generic/compat.h> #define __TYPE_IS_PTR(t) (!__builtin_types_compatible_p( \ @@ -55,13 +58,9 @@ typedef u16 __compat_uid_t; typedef u16 __compat_gid_t; -typedef u32 __compat_uid32_t; -typedef u32 __compat_gid32_t; -typedef u16 compat_mode_t; typedef u16 compat_dev_t; typedef u16 compat_nlink_t; typedef u16 compat_ipc_pid_t; -typedef u32 compat_caddr_t; typedef __kernel_fsid_t compat_fsid_t; typedef struct { @@ -155,13 +154,6 @@ struct compat_statfs64 { #define COMPAT_RLIM_INFINITY 0xffffffff -typedef u32 compat_old_sigset_t; /* at least 32 bits */ - -#define _COMPAT_NSIG 64 -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - #define COMPAT_OFF_T_MAX 0x7fffffff /* diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h index c0f3bfeddcbe..646b12981f20 100644 --- a/arch/s390/include/asm/cpacf.h +++ b/arch/s390/include/asm/cpacf.h @@ -173,17 +173,16 @@ typedef struct { unsigned char bytes[16]; } cpacf_mask_t; */ static __always_inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask) { - register unsigned long r0 asm("0") = 0; /* query function */ - register unsigned long r1 asm("1") = (unsigned long) mask; - asm volatile( - " spm 0\n" /* pckmo doesn't change the cc */ + " lghi 0,0\n" /* query function */ + " lgr 1,%[mask]\n" + " spm 0\n" /* pckmo doesn't change the cc */ /* Parameter regs are ignored, but must be nonzero and unique */ "0: .insn rrf,%[opc] << 16,2,4,6,0\n" " brc 1,0b\n" /* handle partial completion */ : "=m" (*mask) - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (opcode) - : "cc"); + : [mask] "d" ((unsigned long)mask), [opc] "i" (opcode) + : "cc", "0", "1"); } static __always_inline int __cpacf_check_opcode(unsigned int opcode) @@ -249,20 +248,22 @@ static __always_inline int cpacf_query_func(unsigned int opcode, unsigned int fu static inline int cpacf_km(unsigned long func, void *param, u8 *dest, const u8 *src, long src_len) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - register unsigned long r2 asm("2") = (unsigned long) src; - register unsigned long r3 asm("3") = (unsigned long) src_len; - register unsigned long r4 asm("4") = (unsigned long) dest; + union register_pair d, s; + d.even = (unsigned long)dest; + s.even = (unsigned long)src; + s.odd = (unsigned long)src_len; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" " brc 1,0b\n" /* handle partial completion */ - : [src] "+a" (r2), [len] "+d" (r3), [dst] "+a" (r4) - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KM) - : "cc", "memory"); + : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [opc] "i" (CPACF_KM) + : "cc", "memory", "0", "1"); - return src_len - r3; + return src_len - s.odd; } /** @@ -279,20 +280,22 @@ static inline int cpacf_km(unsigned long func, void *param, static inline int cpacf_kmc(unsigned long func, void *param, u8 *dest, const u8 *src, long src_len) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - register unsigned long r2 asm("2") = (unsigned long) src; - register unsigned long r3 asm("3") = (unsigned long) src_len; - register unsigned long r4 asm("4") = (unsigned long) dest; + union register_pair d, s; + d.even = (unsigned long)dest; + s.even = (unsigned long)src; + s.odd = (unsigned long)src_len; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" " brc 1,0b\n" /* handle partial completion */ - : [src] "+a" (r2), [len] "+d" (r3), [dst] "+a" (r4) - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMC) - : "cc", "memory"); + : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [opc] "i" (CPACF_KMC) + : "cc", "memory", "0", "1"); - return src_len - r3; + return src_len - s.odd; } /** @@ -306,17 +309,19 @@ static inline int cpacf_kmc(unsigned long func, void *param, static inline void cpacf_kimd(unsigned long func, void *param, const u8 *src, long src_len) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - register unsigned long r2 asm("2") = (unsigned long) src; - register unsigned long r3 asm("3") = (unsigned long) src_len; + union register_pair s; + s.even = (unsigned long)src; + s.odd = (unsigned long)src_len; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,0,%[src]\n" " brc 1,0b\n" /* handle partial completion */ - : [src] "+a" (r2), [len] "+d" (r3) - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KIMD) - : "cc", "memory"); + : [src] "+&d" (s.pair) + : [fc] "d" (func), [pba] "d" ((unsigned long)(param)), + [opc] "i" (CPACF_KIMD) + : "cc", "memory", "0", "1"); } /** @@ -329,17 +334,19 @@ static inline void cpacf_kimd(unsigned long func, void *param, static inline void cpacf_klmd(unsigned long func, void *param, const u8 *src, long src_len) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - register unsigned long r2 asm("2") = (unsigned long) src; - register unsigned long r3 asm("3") = (unsigned long) src_len; + union register_pair s; + s.even = (unsigned long)src; + s.odd = (unsigned long)src_len; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,0,%[src]\n" " brc 1,0b\n" /* handle partial completion */ - : [src] "+a" (r2), [len] "+d" (r3) - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KLMD) - : "cc", "memory"); + : [src] "+&d" (s.pair) + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [opc] "i" (CPACF_KLMD) + : "cc", "memory", "0", "1"); } /** @@ -355,19 +362,21 @@ static inline void cpacf_klmd(unsigned long func, void *param, static inline int cpacf_kmac(unsigned long func, void *param, const u8 *src, long src_len) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - register unsigned long r2 asm("2") = (unsigned long) src; - register unsigned long r3 asm("3") = (unsigned long) src_len; + union register_pair s; + s.even = (unsigned long)src; + s.odd = (unsigned long)src_len; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,0,%[src]\n" " brc 1,0b\n" /* handle partial completion */ - : [src] "+a" (r2), [len] "+d" (r3) - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMAC) - : "cc", "memory"); + : [src] "+&d" (s.pair) + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [opc] "i" (CPACF_KMAC) + : "cc", "memory", "0", "1"); - return src_len - r3; + return src_len - s.odd; } /** @@ -385,22 +394,24 @@ static inline int cpacf_kmac(unsigned long func, void *param, static inline int cpacf_kmctr(unsigned long func, void *param, u8 *dest, const u8 *src, long src_len, u8 *counter) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - register unsigned long r2 asm("2") = (unsigned long) src; - register unsigned long r3 asm("3") = (unsigned long) src_len; - register unsigned long r4 asm("4") = (unsigned long) dest; - register unsigned long r6 asm("6") = (unsigned long) counter; + union register_pair d, s, c; + d.even = (unsigned long)dest; + s.even = (unsigned long)src; + s.odd = (unsigned long)src_len; + c.even = (unsigned long)counter; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n" " brc 1,0b\n" /* handle partial completion */ - : [src] "+a" (r2), [len] "+d" (r3), - [dst] "+a" (r4), [ctr] "+a" (r6) - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMCTR) - : "cc", "memory"); + : [src] "+&d" (s.pair), [dst] "+&d" (d.pair), + [ctr] "+&d" (c.pair) + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [opc] "i" (CPACF_KMCTR) + : "cc", "memory", "0", "1"); - return src_len - r3; + return src_len - s.odd; } /** @@ -417,20 +428,21 @@ static inline void cpacf_prno(unsigned long func, void *param, u8 *dest, unsigned long dest_len, const u8 *seed, unsigned long seed_len) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - register unsigned long r2 asm("2") = (unsigned long) dest; - register unsigned long r3 asm("3") = (unsigned long) dest_len; - register unsigned long r4 asm("4") = (unsigned long) seed; - register unsigned long r5 asm("5") = (unsigned long) seed_len; + union register_pair d, s; + d.even = (unsigned long)dest; + d.odd = (unsigned long)dest_len; + s.even = (unsigned long)seed; + s.odd = (unsigned long)seed_len; asm volatile ( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,%[dst],%[seed]\n" " brc 1,0b\n" /* handle partial completion */ - : [dst] "+a" (r2), [dlen] "+d" (r3) - : [fc] "d" (r0), [pba] "a" (r1), - [seed] "a" (r4), [slen] "d" (r5), [opc] "i" (CPACF_PRNO) - : "cc", "memory"); + : [dst] "+&d" (d.pair) + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [seed] "d" (s.pair), [opc] "i" (CPACF_PRNO) + : "cc", "memory", "0", "1"); } /** @@ -443,19 +455,19 @@ static inline void cpacf_prno(unsigned long func, void *param, static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len, u8 *cbuf, unsigned long cbuf_len) { - register unsigned long r0 asm("0") = (unsigned long) CPACF_PRNO_TRNG; - register unsigned long r2 asm("2") = (unsigned long) ucbuf; - register unsigned long r3 asm("3") = (unsigned long) ucbuf_len; - register unsigned long r4 asm("4") = (unsigned long) cbuf; - register unsigned long r5 asm("5") = (unsigned long) cbuf_len; + union register_pair u, c; + u.even = (unsigned long)ucbuf; + u.odd = (unsigned long)ucbuf_len; + c.even = (unsigned long)cbuf; + c.odd = (unsigned long)cbuf_len; asm volatile ( + " lghi 0,%[fc]\n" "0: .insn rre,%[opc] << 16,%[ucbuf],%[cbuf]\n" " brc 1,0b\n" /* handle partial completion */ - : [ucbuf] "+a" (r2), [ucbuflen] "+d" (r3), - [cbuf] "+a" (r4), [cbuflen] "+d" (r5) - : [fc] "d" (r0), [opc] "i" (CPACF_PRNO) - : "cc", "memory"); + : [ucbuf] "+&d" (u.pair), [cbuf] "+&d" (c.pair) + : [fc] "K" (CPACF_PRNO_TRNG), [opc] "i" (CPACF_PRNO) + : "cc", "memory", "0"); } /** @@ -466,15 +478,15 @@ static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len, */ static inline void cpacf_pcc(unsigned long func, void *param) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,0,0\n" /* PCC opcode */ " brc 1,0b\n" /* handle partial completion */ : - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_PCC) - : "cc", "memory"); + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [opc] "i" (CPACF_PCC) + : "cc", "memory", "0", "1"); } /** @@ -487,14 +499,14 @@ static inline void cpacf_pcc(unsigned long func, void *param) */ static inline void cpacf_pckmo(long func, void *param) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" " .insn rre,%[opc] << 16,0,0\n" /* PCKMO opcode */ : - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_PCKMO) - : "cc", "memory"); + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [opc] "i" (CPACF_PCKMO) + : "cc", "memory", "0", "1"); } /** @@ -512,21 +524,23 @@ static inline void cpacf_kma(unsigned long func, void *param, u8 *dest, const u8 *src, unsigned long src_len, const u8 *aad, unsigned long aad_len) { - register unsigned long r0 asm("0") = (unsigned long) func; - register unsigned long r1 asm("1") = (unsigned long) param; - register unsigned long r2 asm("2") = (unsigned long) src; - register unsigned long r3 asm("3") = (unsigned long) src_len; - register unsigned long r4 asm("4") = (unsigned long) aad; - register unsigned long r5 asm("5") = (unsigned long) aad_len; - register unsigned long r6 asm("6") = (unsigned long) dest; + union register_pair d, s, a; + d.even = (unsigned long)dest; + s.even = (unsigned long)src; + s.odd = (unsigned long)src_len; + a.even = (unsigned long)aad; + a.odd = (unsigned long)aad_len; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[pba]\n" "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[aad],0\n" " brc 1,0b\n" /* handle partial completion */ - : [dst] "+a" (r6), [src] "+a" (r2), [slen] "+d" (r3), - [aad] "+a" (r4), [alen] "+d" (r5) - : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMA) - : "cc", "memory"); + : [dst] "+&d" (d.pair), [src] "+&d" (s.pair), + [aad] "+&d" (a.pair) + : [fc] "d" (func), [pba] "d" ((unsigned long)param), + [opc] "i" (CPACF_KMA) + : "cc", "memory", "0", "1"); } #endif /* _ASM_S390_CPACF_H */ diff --git a/arch/s390/include/asm/cpufeature.h b/arch/s390/include/asm/cpufeature.h index 1d007c6ede95..14cfd48d598e 100644 --- a/arch/s390/include/asm/cpufeature.h +++ b/arch/s390/include/asm/cpufeature.h @@ -23,7 +23,7 @@ #define MAX_ELF_HWCAP_FEATURES (8 * sizeof(elf_hwcap)) #define MAX_CPU_FEATURES MAX_ELF_HWCAP_FEATURES -#define cpu_feature(feat) ilog2(HWCAP_S390_ ## feat) +#define cpu_feature(feat) ilog2(HWCAP_ ## feat) int cpu_have_feature(unsigned int nr); diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h index adc0179fa34e..04dc65f8901d 100644 --- a/arch/s390/include/asm/ctl_reg.h +++ b/arch/s390/include/asm/ctl_reg.h @@ -111,6 +111,23 @@ union ctlreg2 { }; }; +union ctlreg5 { + unsigned long val; + struct { + unsigned long : 33; + unsigned long pasteo: 25; + unsigned long : 6; + }; +}; + +union ctlreg15 { + unsigned long val; + struct { + unsigned long lsea : 61; + unsigned long : 3; + }; +}; + #define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit) #define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit) diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h index c1b82bcc017c..19a55e1e3a0c 100644 --- a/arch/s390/include/asm/debug.h +++ b/arch/s390/include/asm/debug.h @@ -13,6 +13,7 @@ #include <linux/time.h> #include <linux/refcount.h> #include <linux/fs.h> +#include <linux/init.h> #define DEBUG_MAX_LEVEL 6 /* debug levels range from 0 to 6 */ #define DEBUG_OFF_LEVEL -1 /* level where debug is switched off */ @@ -391,38 +392,99 @@ int debug_register_view(debug_info_t *id, struct debug_view *view); int debug_unregister_view(debug_info_t *id, struct debug_view *view); +#ifndef MODULE + +/* + * Note: Initial page and area numbers must be fixed to allow static + * initialization. This enables very early tracing. Changes to these values + * must be reflected in __DEFINE_STATIC_AREA. + */ +#define EARLY_PAGES 8 +#define EARLY_AREAS 1 + +#define VNAME(var, suffix) __##var##_##suffix + /* - define the debug levels: - - 0 No debugging output to console or syslog - - 1 Log internal errors to syslog, ignore check conditions - - 2 Log internal errors and check conditions to syslog - - 3 Log internal errors to console, log check conditions to syslog - - 4 Log internal errors and check conditions to console - - 5 panic on internal errors, log check conditions to console - - 6 panic on both, internal errors and check conditions + * Define static areas for early trace data. During boot debug_register_static() + * will replace these with dynamically allocated areas to allow custom page and + * area sizes, and dynamic resizing. */ +#define __DEFINE_STATIC_AREA(var) \ +static char VNAME(var, data)[EARLY_PAGES][PAGE_SIZE] __initdata; \ +static debug_entry_t *VNAME(var, pages)[EARLY_PAGES] __initdata = { \ + (debug_entry_t *)VNAME(var, data)[0], \ + (debug_entry_t *)VNAME(var, data)[1], \ + (debug_entry_t *)VNAME(var, data)[2], \ + (debug_entry_t *)VNAME(var, data)[3], \ + (debug_entry_t *)VNAME(var, data)[4], \ + (debug_entry_t *)VNAME(var, data)[5], \ + (debug_entry_t *)VNAME(var, data)[6], \ + (debug_entry_t *)VNAME(var, data)[7], \ +}; \ +static debug_entry_t **VNAME(var, areas)[EARLY_AREAS] __initdata = { \ + (debug_entry_t **)VNAME(var, pages), \ +}; \ +static int VNAME(var, active_pages)[EARLY_AREAS] __initdata; \ +static int VNAME(var, active_entries)[EARLY_AREAS] __initdata + +#define __DEBUG_INFO_INIT(var, _name, _buf_size) { \ + .next = NULL, \ + .prev = NULL, \ + .ref_count = REFCOUNT_INIT(1), \ + .lock = __SPIN_LOCK_UNLOCKED(var.lock), \ + .level = DEBUG_DEFAULT_LEVEL, \ + .nr_areas = EARLY_AREAS, \ + .pages_per_area = EARLY_PAGES, \ + .buf_size = (_buf_size), \ + .entry_size = sizeof(debug_entry_t) + (_buf_size), \ + .areas = VNAME(var, areas), \ + .active_area = 0, \ + .active_pages = VNAME(var, active_pages), \ + .active_entries = VNAME(var, active_entries), \ + .debugfs_root_entry = NULL, \ + .debugfs_entries = { NULL }, \ + .views = { NULL }, \ + .name = (_name), \ + .mode = 0600, \ +} + +#define __REGISTER_STATIC_DEBUG_INFO(var, name, pages, areas, view) \ +static int __init VNAME(var, reg)(void) \ +{ \ + debug_register_static(&var, (pages), (areas)); \ + debug_register_view(&var, (view)); \ + return 0; \ +} \ +arch_initcall(VNAME(var, reg)) + +/** + * DEFINE_STATIC_DEBUG_INFO - Define static debug_info_t + * + * @var: Name of debug_info_t variable + * @name: Name of debug log (e.g. used for debugfs entry) + * @pages_per_area: Number of pages per area + * @nr_areas: Number of debug areas + * @buf_size: Size of data area in each debug entry + * @view: Pointer to debug view struct + * + * Define a static debug_info_t for early tracing. The associated debugfs log + * is automatically registered with the specified debug view. + * + * Important: Users of this macro must not call any of the + * debug_register/_unregister() functions for this debug_info_t! + * + * Note: Tracing will start with a fixed number of initial pages and areas. + * The debug area will be changed to use the specified numbers during + * arch_initcall. + */ +#define DEFINE_STATIC_DEBUG_INFO(var, name, pages, nr_areas, buf_size, view) \ +__DEFINE_STATIC_AREA(var); \ +static debug_info_t __refdata var = \ + __DEBUG_INFO_INIT(var, (name), (buf_size)); \ +__REGISTER_STATIC_DEBUG_INFO(var, name, pages, nr_areas, view) + +void debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas); -#ifndef DEBUG_LEVEL -#define DEBUG_LEVEL 4 -#endif - -#define INTERNAL_ERRMSG(x,y...) "E" __FILE__ "%d: " x, __LINE__, y -#define INTERNAL_WRNMSG(x,y...) "W" __FILE__ "%d: " x, __LINE__, y -#define INTERNAL_INFMSG(x,y...) "I" __FILE__ "%d: " x, __LINE__, y -#define INTERNAL_DEBMSG(x,y...) "D" __FILE__ "%d: " x, __LINE__, y - -#if DEBUG_LEVEL > 0 -#define PRINT_DEBUG(x...) printk(KERN_DEBUG PRINTK_HEADER x) -#define PRINT_INFO(x...) printk(KERN_INFO PRINTK_HEADER x) -#define PRINT_WARN(x...) printk(KERN_WARNING PRINTK_HEADER x) -#define PRINT_ERR(x...) printk(KERN_ERR PRINTK_HEADER x) -#define PRINT_FATAL(x...) panic(PRINTK_HEADER x) -#else -#define PRINT_DEBUG(x...) printk(KERN_DEBUG PRINTK_HEADER x) -#define PRINT_INFO(x...) printk(KERN_DEBUG PRINTK_HEADER x) -#define PRINT_WARN(x...) printk(KERN_DEBUG PRINTK_HEADER x) -#define PRINT_ERR(x...) printk(KERN_DEBUG PRINTK_HEADER x) -#define PRINT_FATAL(x...) printk(KERN_DEBUG PRINTK_HEADER x) -#endif /* DASD_DEBUG */ +#endif /* MODULE */ #endif /* DEBUG_H */ diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h index ca8f85b53a90..b3a8cb4daed6 100644 --- a/arch/s390/include/asm/diag.h +++ b/arch/s390/include/asm/diag.h @@ -309,6 +309,10 @@ int diag26c(void *req, void *resp, enum diag26c_sc subcode); struct hypfs_diag0c_entry; +/* + * This structure must contain only pointers/references into + * the AMODE31 text section. + */ struct diag_ops { int (*diag210)(struct diag210 *addr); int (*diag26c)(void *req, void *resp, enum diag26c_sc subcode); @@ -317,6 +321,13 @@ struct diag_ops { void (*diag308_reset)(void); }; -extern struct diag_ops diag_dma_ops; -extern struct diag210 *__diag210_tmp_dma; +extern struct diag_ops diag_amode31_ops; +extern struct diag210 *__diag210_tmp_amode31; + +int _diag210_amode31(struct diag210 *addr); +int _diag26c_amode31(void *req, void *resp, enum diag26c_sc subcode); +int _diag14_amode31(unsigned long rx, unsigned long ry1, unsigned long subcode); +void _diag0c_amode31(struct hypfs_diag0c_entry *entry); +void _diag308_reset_amode31(void); + #endif /* _ASM_S390_DIAG_H */ diff --git a/arch/s390/include/asm/eadm.h b/arch/s390/include/asm/eadm.h index bb63b2afdf6f..445fe4c8184a 100644 --- a/arch/s390/include/asm/eadm.h +++ b/arch/s390/include/asm/eadm.h @@ -105,7 +105,7 @@ enum scm_event {SCM_CHANGE, SCM_AVAIL}; struct scm_driver { struct device_driver drv; int (*probe) (struct scm_device *scmdev); - int (*remove) (struct scm_device *scmdev); + void (*remove) (struct scm_device *scmdev); void (*notify) (struct scm_device *scmdev, enum scm_event event); void (*handler) (struct scm_device *scmdev, void *data, blk_status_t error); diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index bd00c94620d3..70a30ae258b7 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -91,29 +91,57 @@ /* Keep this the last entry. */ #define R_390_NUM 61 -/* Bits present in AT_HWCAP. */ -#define HWCAP_S390_ESAN3 1 -#define HWCAP_S390_ZARCH 2 -#define HWCAP_S390_STFLE 4 -#define HWCAP_S390_MSA 8 -#define HWCAP_S390_LDISP 16 -#define HWCAP_S390_EIMM 32 -#define HWCAP_S390_DFP 64 -#define HWCAP_S390_HPAGE 128 -#define HWCAP_S390_ETF3EH 256 -#define HWCAP_S390_HIGH_GPRS 512 -#define HWCAP_S390_TE 1024 -#define HWCAP_S390_VXRS 2048 -#define HWCAP_S390_VXRS_BCD 4096 -#define HWCAP_S390_VXRS_EXT 8192 -#define HWCAP_S390_GS 16384 -#define HWCAP_S390_VXRS_EXT2 32768 -#define HWCAP_S390_VXRS_PDE 65536 -#define HWCAP_S390_SORT 131072 -#define HWCAP_S390_DFLT 262144 +enum { + HWCAP_NR_ESAN3 = 0, + HWCAP_NR_ZARCH = 1, + HWCAP_NR_STFLE = 2, + HWCAP_NR_MSA = 3, + HWCAP_NR_LDISP = 4, + HWCAP_NR_EIMM = 5, + HWCAP_NR_DFP = 6, + HWCAP_NR_HPAGE = 7, + HWCAP_NR_ETF3EH = 8, + HWCAP_NR_HIGH_GPRS = 9, + HWCAP_NR_TE = 10, + HWCAP_NR_VXRS = 11, + HWCAP_NR_VXRS_BCD = 12, + HWCAP_NR_VXRS_EXT = 13, + HWCAP_NR_GS = 14, + HWCAP_NR_VXRS_EXT2 = 15, + HWCAP_NR_VXRS_PDE = 16, + HWCAP_NR_SORT = 17, + HWCAP_NR_DFLT = 18, + HWCAP_NR_VXRS_PDE2 = 19, + HWCAP_NR_NNPA = 20, + HWCAP_NR_PCI_MIO = 21, + HWCAP_NR_SIE = 22, + HWCAP_NR_MAX +}; -/* Internal bits, not exposed via elf */ -#define HWCAP_INT_SIE 1UL +/* Bits present in AT_HWCAP. */ +#define HWCAP_ESAN3 BIT(HWCAP_NR_ESAN3) +#define HWCAP_ZARCH BIT(HWCAP_NR_ZARCH) +#define HWCAP_STFLE BIT(HWCAP_NR_STFLE) +#define HWCAP_MSA BIT(HWCAP_NR_MSA) +#define HWCAP_LDISP BIT(HWCAP_NR_LDISP) +#define HWCAP_EIMM BIT(HWCAP_NR_EIMM) +#define HWCAP_DFP BIT(HWCAP_NR_DFP) +#define HWCAP_HPAGE BIT(HWCAP_NR_HPAGE) +#define HWCAP_ETF3EH BIT(HWCAP_NR_ETF3EH) +#define HWCAP_HIGH_GPRS BIT(HWCAP_NR_HIGH_GPRS) +#define HWCAP_TE BIT(HWCAP_NR_TE) +#define HWCAP_VXRS BIT(HWCAP_NR_VXRS) +#define HWCAP_VXRS_BCD BIT(HWCAP_NR_VXRS_BCD) +#define HWCAP_VXRS_EXT BIT(HWCAP_NR_VXRS_EXT) +#define HWCAP_GS BIT(HWCAP_NR_GS) +#define HWCAP_VXRS_EXT2 BIT(HWCAP_NR_VXRS_EXT2) +#define HWCAP_VXRS_PDE BIT(HWCAP_NR_VXRS_PDE) +#define HWCAP_SORT BIT(HWCAP_NR_SORT) +#define HWCAP_DFLT BIT(HWCAP_NR_DFLT) +#define HWCAP_VXRS_PDE2 BIT(HWCAP_NR_VXRS_PDE2) +#define HWCAP_NNPA BIT(HWCAP_NR_NNPA) +#define HWCAP_PCI_MIO BIT(HWCAP_NR_PCI_MIO) +#define HWCAP_SIE BIT(HWCAP_NR_SIE) /* * These are used to set parameters in the core dumps. @@ -209,10 +237,6 @@ struct arch_elf_state { extern unsigned long elf_hwcap; #define ELF_HWCAP (elf_hwcap) -/* Internal hardware capabilities, not exposed via elf */ - -extern unsigned long int_hwcap; - /* This yields a string that ld.so will use to load implementation specific libraries for optimization. This is more specific in intent than poking at uname or /proc/cpuinfo. diff --git a/arch/s390/include/asm/extable.h b/arch/s390/include/asm/extable.h index 3beb294fd553..16dc57dd90b3 100644 --- a/arch/s390/include/asm/extable.h +++ b/arch/s390/include/asm/extable.h @@ -28,8 +28,8 @@ struct exception_table_entry long handler; }; -extern struct exception_table_entry *__start_dma_ex_table; -extern struct exception_table_entry *__stop_dma_ex_table; +extern struct exception_table_entry *__start_amode31_ex_table; +extern struct exception_table_entry *__stop_amode31_ex_table; const struct exception_table_entry *s390_search_extables(unsigned long addr); diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index 695c61989f97..e8b460f39c58 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -18,7 +18,7 @@ void ftrace_caller(void); extern char ftrace_graph_caller_end; -extern unsigned long ftrace_plt; +extern void *ftrace_func; struct dyn_arch_ftrace { }; @@ -30,10 +30,11 @@ struct dyn_arch_ftrace { }; struct module; struct dyn_ftrace; -/* - * Either -mhotpatch or -mnop-mcount is used - no explicit init is required - */ -static inline int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec) { return 0; } + +bool ftrace_need_init_nop(void); +#define ftrace_need_init_nop ftrace_need_init_nop + +int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec); #define ftrace_init_nop ftrace_init_nop static inline unsigned long ftrace_call_adjust(unsigned long addr) @@ -41,42 +42,6 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr) return addr; } -struct ftrace_insn { - u16 opc; - s32 disp; -} __packed; - -static inline void ftrace_generate_nop_insn(struct ftrace_insn *insn) -{ -#ifdef CONFIG_FUNCTION_TRACER - /* brcl 0,0 */ - insn->opc = 0xc004; - insn->disp = 0; -#endif -} - -static inline int is_ftrace_nop(struct ftrace_insn *insn) -{ -#ifdef CONFIG_FUNCTION_TRACER - if (insn->disp == 0) - return 1; -#endif - return 0; -} - -static inline void ftrace_generate_call_insn(struct ftrace_insn *insn, - unsigned long ip) -{ -#ifdef CONFIG_FUNCTION_TRACER - unsigned long target; - - /* brasl r0,ftrace_caller */ - target = is_module_addr((void *) ip) ? ftrace_plt : FTRACE_ADDR; - insn->opc = 0xc005; - insn->disp = (target - ip) / 2; -#endif -} - /* * Even though the system call numbers are identical for s390/s390x a * different system call table is used for compat tasks. This may lead diff --git a/arch/s390/include/asm/ftrace.lds.h b/arch/s390/include/asm/ftrace.lds.h new file mode 100644 index 000000000000..968adfd41240 --- /dev/null +++ b/arch/s390/include/asm/ftrace.lds.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef DIV_ROUND_UP +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) +#endif + +#define SIZEOF_MCOUNT_LOC_ENTRY 8 +#define SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE 24 +#define FTRACE_HOTPATCH_TRAMPOLINES_SIZE(n) \ + DIV_ROUND_UP(SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE * (n), \ + SIZEOF_MCOUNT_LOC_ENTRY) + +#ifdef CONFIG_FUNCTION_TRACER +#define FTRACE_HOTPATCH_TRAMPOLINES_TEXT \ + . = ALIGN(8); \ + __ftrace_hotpatch_trampolines_start = .; \ + . = . + FTRACE_HOTPATCH_TRAMPOLINES_SIZE(__stop_mcount_loc - \ + __start_mcount_loc); \ + __ftrace_hotpatch_trampolines_end = .; +#else +#define FTRACE_HOTPATCH_TRAMPOLINES_TEXT +#endif diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h index a9e2c7295b35..3f8ee257f9aa 100644 --- a/arch/s390/include/asm/ipl.h +++ b/arch/s390/include/asm/ipl.h @@ -12,6 +12,7 @@ #include <asm/types.h> #include <asm/cio.h> #include <asm/setup.h> +#include <asm/page.h> #include <uapi/asm/ipl.h> struct ipl_parameter_block { diff --git a/arch/s390/include/asm/kfence.h b/arch/s390/include/asm/kfence.h new file mode 100644 index 000000000000..d55ba878378b --- /dev/null +++ b/arch/s390/include/asm/kfence.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _ASM_S390_KFENCE_H +#define _ASM_S390_KFENCE_H + +#include <linux/mm.h> +#include <linux/kfence.h> +#include <asm/set_memory.h> +#include <asm/page.h> + +void __kernel_map_pages(struct page *page, int numpages, int enable); + +static __always_inline bool arch_kfence_init_pool(void) +{ + return true; +} + +#define arch_kfence_test_address(addr) ((addr) & PAGE_MASK) + +/* + * Do not split kfence pool to 4k mapping with arch_kfence_init_pool(), + * but earlier where page table allocations still happen with memblock. + * Reason is that arch_kfence_init_pool() gets called when the system + * is still in a limbo state - disabling and enabling bottom halves is + * not yet allowed, but that is what our page_table_alloc() would do. + */ +static __always_inline void kfence_split_mapping(void) +{ +#ifdef CONFIG_KFENCE + unsigned long pool_pages = KFENCE_POOL_SIZE >> PAGE_SHIFT; + + set_memory_4k((unsigned long)__kfence_pool, pool_pages); +#endif +} + +static inline bool kfence_protect_page(unsigned long addr, bool protect) +{ + __kernel_map_pages(virt_to_page(addr), 1, !protect); + return true; +} + +#endif /* _ASM_S390_KFENCE_H */ diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 9b4473f76e56..161a9e12bfb8 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -445,15 +445,15 @@ struct kvm_vcpu_stat { u64 instruction_sigp_init_cpu_reset; u64 instruction_sigp_cpu_reset; u64 instruction_sigp_unknown; - u64 diagnose_10; - u64 diagnose_44; - u64 diagnose_9c; - u64 diagnose_9c_ignored; - u64 diagnose_9c_forward; - u64 diagnose_258; - u64 diagnose_308; - u64 diagnose_500; - u64 diagnose_other; + u64 instruction_diagnose_10; + u64 instruction_diagnose_44; + u64 instruction_diagnose_9c; + u64 diag_9c_ignored; + u64 diag_9c_forward; + u64 instruction_diagnose_258; + u64 instruction_diagnose_308; + u64 instruction_diagnose_500; + u64 instruction_diagnose_other; u64 pfault_sync; }; diff --git a/arch/s390/include/asm/kvm_para.h b/arch/s390/include/asm/kvm_para.h index cbc7c3a68e4d..df73a052760c 100644 --- a/arch/s390/include/asm/kvm_para.h +++ b/arch/s390/include/asm/kvm_para.h @@ -24,162 +24,79 @@ #include <uapi/asm/kvm_para.h> #include <asm/diag.h> -static inline long __kvm_hypercall0(unsigned long nr) -{ - register unsigned long __nr asm("1") = nr; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr): "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall0(unsigned long nr) -{ - diag_stat_inc(DIAG_STAT_X500); - return __kvm_hypercall0(nr); -} - -static inline long __kvm_hypercall1(unsigned long nr, unsigned long p1) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1) : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall1(unsigned long nr, unsigned long p1) -{ - diag_stat_inc(DIAG_STAT_X500); - return __kvm_hypercall1(nr, p1); -} - -static inline long __kvm_hypercall2(unsigned long nr, unsigned long p1, - unsigned long p2) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2) - : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall2(unsigned long nr, unsigned long p1, - unsigned long p2) -{ - diag_stat_inc(DIAG_STAT_X500); - return __kvm_hypercall2(nr, p1, p2); -} - -static inline long __kvm_hypercall3(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register unsigned long __p3 asm("4") = p3; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2), - "d" (__p3) : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall3(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3) -{ - diag_stat_inc(DIAG_STAT_X500); - return __kvm_hypercall3(nr, p1, p2, p3); -} - -static inline long __kvm_hypercall4(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register unsigned long __p3 asm("4") = p3; - register unsigned long __p4 asm("5") = p4; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2), - "d" (__p3), "d" (__p4) : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall4(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4) -{ - diag_stat_inc(DIAG_STAT_X500); - return __kvm_hypercall4(nr, p1, p2, p3, p4); -} - -static inline long __kvm_hypercall5(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register unsigned long __p3 asm("4") = p3; - register unsigned long __p4 asm("5") = p4; - register unsigned long __p5 asm("6") = p5; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2), - "d" (__p3), "d" (__p4), "d" (__p5) : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall5(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5) -{ - diag_stat_inc(DIAG_STAT_X500); - return __kvm_hypercall5(nr, p1, p2, p3, p4, p5); -} - -static inline long __kvm_hypercall6(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, - unsigned long p6) -{ - register unsigned long __nr asm("1") = nr; - register unsigned long __p1 asm("2") = p1; - register unsigned long __p2 asm("3") = p2; - register unsigned long __p3 asm("4") = p3; - register unsigned long __p4 asm("5") = p4; - register unsigned long __p5 asm("6") = p5; - register unsigned long __p6 asm("7") = p6; - register long __rc asm("2"); - - asm volatile ("diag 2,4,0x500\n" - : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2), - "d" (__p3), "d" (__p4), "d" (__p5), "d" (__p6) - : "memory", "cc"); - return __rc; -} - -static inline long kvm_hypercall6(unsigned long nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, - unsigned long p6) -{ - diag_stat_inc(DIAG_STAT_X500); - return __kvm_hypercall6(nr, p1, p2, p3, p4, p5, p6); -} +#define HYPERCALL_FMT_0 +#define HYPERCALL_FMT_1 , "0" (r2) +#define HYPERCALL_FMT_2 , "d" (r3) HYPERCALL_FMT_1 +#define HYPERCALL_FMT_3 , "d" (r4) HYPERCALL_FMT_2 +#define HYPERCALL_FMT_4 , "d" (r5) HYPERCALL_FMT_3 +#define HYPERCALL_FMT_5 , "d" (r6) HYPERCALL_FMT_4 +#define HYPERCALL_FMT_6 , "d" (r7) HYPERCALL_FMT_5 + +#define HYPERCALL_PARM_0 +#define HYPERCALL_PARM_1 , unsigned long arg1 +#define HYPERCALL_PARM_2 HYPERCALL_PARM_1, unsigned long arg2 +#define HYPERCALL_PARM_3 HYPERCALL_PARM_2, unsigned long arg3 +#define HYPERCALL_PARM_4 HYPERCALL_PARM_3, unsigned long arg4 +#define HYPERCALL_PARM_5 HYPERCALL_PARM_4, unsigned long arg5 +#define HYPERCALL_PARM_6 HYPERCALL_PARM_5, unsigned long arg6 + +#define HYPERCALL_REGS_0 +#define HYPERCALL_REGS_1 \ + register unsigned long r2 asm("2") = arg1 +#define HYPERCALL_REGS_2 \ + HYPERCALL_REGS_1; \ + register unsigned long r3 asm("3") = arg2 +#define HYPERCALL_REGS_3 \ + HYPERCALL_REGS_2; \ + register unsigned long r4 asm("4") = arg3 +#define HYPERCALL_REGS_4 \ + HYPERCALL_REGS_3; \ + register unsigned long r5 asm("5") = arg4 +#define HYPERCALL_REGS_5 \ + HYPERCALL_REGS_4; \ + register unsigned long r6 asm("6") = arg5 +#define HYPERCALL_REGS_6 \ + HYPERCALL_REGS_5; \ + register unsigned long r7 asm("7") = arg6 + +#define HYPERCALL_ARGS_0 +#define HYPERCALL_ARGS_1 , arg1 +#define HYPERCALL_ARGS_2 HYPERCALL_ARGS_1, arg2 +#define HYPERCALL_ARGS_3 HYPERCALL_ARGS_2, arg3 +#define HYPERCALL_ARGS_4 HYPERCALL_ARGS_3, arg4 +#define HYPERCALL_ARGS_5 HYPERCALL_ARGS_4, arg5 +#define HYPERCALL_ARGS_6 HYPERCALL_ARGS_5, arg6 + +#define GENERATE_KVM_HYPERCALL_FUNC(args) \ +static inline \ +long __kvm_hypercall##args(unsigned long nr HYPERCALL_PARM_##args) \ +{ \ + register unsigned long __nr asm("1") = nr; \ + register long __rc asm("2"); \ + HYPERCALL_REGS_##args; \ + \ + asm volatile ( \ + " diag 2,4,0x500\n" \ + : "=d" (__rc) \ + : "d" (__nr) HYPERCALL_FMT_##args \ + : "memory", "cc"); \ + return __rc; \ +} \ + \ +static inline \ +long kvm_hypercall##args(unsigned long nr HYPERCALL_PARM_##args) \ +{ \ + diag_stat_inc(DIAG_STAT_X500); \ + return __kvm_hypercall##args(nr HYPERCALL_ARGS_##args); \ +} + +GENERATE_KVM_HYPERCALL_FUNC(0) +GENERATE_KVM_HYPERCALL_FUNC(1) +GENERATE_KVM_HYPERCALL_FUNC(2) +GENERATE_KVM_HYPERCALL_FUNC(3) +GENERATE_KVM_HYPERCALL_FUNC(4) +GENERATE_KVM_HYPERCALL_FUNC(5) +GENERATE_KVM_HYPERCALL_FUNC(6) /* kvm on s390 is always paravirtualization enabled */ static inline int kvm_para_available(void) diff --git a/arch/s390/include/asm/linkage.h b/arch/s390/include/asm/linkage.h index 24e8fed150cf..1ffea75b8ebc 100644 --- a/arch/s390/include/asm/linkage.h +++ b/arch/s390/include/asm/linkage.h @@ -22,7 +22,7 @@ #define EX_TABLE(_fault, _target) \ __EX_TABLE(__ex_table, _fault, _target) -#define EX_TABLE_DMA(_fault, _target) \ - __EX_TABLE(.dma.ex_table, _fault, _target) +#define EX_TABLE_AMODE31(_fault, _target) \ + __EX_TABLE(.amode31.ex_table, _fault, _target) #endif diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index 47bde5a20a41..11213c8bfca5 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -124,7 +124,8 @@ struct lowcore { /* Restart function and parameter. */ __u64 restart_fn; /* 0x0370 */ __u64 restart_data; /* 0x0378 */ - __u64 restart_source; /* 0x0380 */ + __u32 restart_source; /* 0x0380 */ + __u32 restart_flags; /* 0x0384 */ /* Address space pointer. */ __u64 kernel_asce; /* 0x0388 */ diff --git a/arch/s390/include/asm/module.h b/arch/s390/include/asm/module.h index e0a6d29846e2..9f1eea15872c 100644 --- a/arch/s390/include/asm/module.h +++ b/arch/s390/include/asm/module.h @@ -8,16 +8,14 @@ * This file contains the s390 architecture specific module code. */ -struct mod_arch_syminfo -{ +struct mod_arch_syminfo { unsigned long got_offset; unsigned long plt_offset; int got_initialized; int plt_initialized; }; -struct mod_arch_specific -{ +struct mod_arch_specific { /* Starting offset of got in the module core memory. */ unsigned long got_offset; /* Starting offset of plt in the module core memory. */ @@ -30,6 +28,14 @@ struct mod_arch_specific int nsyms; /* Additional symbol information (got and plt offsets). */ struct mod_arch_syminfo *syminfo; +#ifdef CONFIG_FUNCTION_TRACER + /* Start of memory reserved for ftrace hotpatch trampolines. */ + struct ftrace_hotpatch_trampoline *trampolines_start; + /* End of memory reserved for ftrace hotpatch trampolines. */ + struct ftrace_hotpatch_trampoline *trampolines_end; + /* Next unused ftrace hotpatch trampoline slot. */ + struct ftrace_hotpatch_trampoline *next_trampoline; +#endif /* CONFIG_FUNCTION_TRACER */ }; #endif /* _ASM_S390_MODULE_H */ diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index 3ba945c6b9dc..d98d17a36c7b 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -144,9 +144,6 @@ struct page; void arch_free_page(struct page *page, int order); void arch_alloc_page(struct page *page, int order); void arch_set_page_dat(struct page *page, int order); -void arch_set_page_nodat(struct page *page, int order); -int arch_test_page_nodat(struct page *page); -void arch_set_page_states(int make_stable); static inline int devmem_is_allowed(unsigned long pfn) { diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 5509b224c2ec..e4803ec51110 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -216,9 +216,10 @@ void zpci_remove_reserved_devices(void); int clp_setup_writeback_mio(void); int clp_scan_pci_devices(void); int clp_query_pci_fn(struct zpci_dev *zdev); -int clp_enable_fh(struct zpci_dev *, u8); -int clp_disable_fh(struct zpci_dev *); +int clp_enable_fh(struct zpci_dev *zdev, u32 *fh, u8 nr_dma_as); +int clp_disable_fh(struct zpci_dev *zdev, u32 *fh); int clp_get_state(u32 fid, enum zpci_state *state); +int clp_refresh_fh(u32 fid, u32 *fh); /* UID */ void update_uid_checking(bool new); @@ -271,6 +272,8 @@ struct zpci_dev *get_zdev_by_fid(u32); /* DMA */ int zpci_dma_init(void); void zpci_dma_exit(void); +int zpci_dma_init_device(struct zpci_dev *zdev); +int zpci_dma_exit_device(struct zpci_dev *zdev); /* IRQ */ int __init zpci_irq_init(void); diff --git a/arch/s390/include/asm/pci_dma.h b/arch/s390/include/asm/pci_dma.h index f62cd3ed2d44..3b8e89d4578a 100644 --- a/arch/s390/include/asm/pci_dma.h +++ b/arch/s390/include/asm/pci_dma.h @@ -182,8 +182,6 @@ static inline unsigned long *get_st_pto(unsigned long entry) } /* Prototypes */ -int zpci_dma_init_device(struct zpci_dev *); -void zpci_dma_exit_device(struct zpci_dev *); void dma_free_seg_table(unsigned long); unsigned long *dma_alloc_cpu_table(void); void dma_cleanup_tables(unsigned long *); diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index dcac7b2df72c..b61426c9ef17 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -67,15 +67,15 @@ extern unsigned long zero_page_mask; /* TODO: s390 cannot support io_remap_pfn_range... */ #define pte_ERROR(e) \ - printk("%s:%d: bad pte %p.\n", __FILE__, __LINE__, (void *) pte_val(e)) + pr_err("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e)) #define pmd_ERROR(e) \ - printk("%s:%d: bad pmd %p.\n", __FILE__, __LINE__, (void *) pmd_val(e)) + pr_err("%s:%d: bad pmd %016lx.\n", __FILE__, __LINE__, pmd_val(e)) #define pud_ERROR(e) \ - printk("%s:%d: bad pud %p.\n", __FILE__, __LINE__, (void *) pud_val(e)) + pr_err("%s:%d: bad pud %016lx.\n", __FILE__, __LINE__, pud_val(e)) #define p4d_ERROR(e) \ - printk("%s:%d: bad p4d %p.\n", __FILE__, __LINE__, (void *) p4d_val(e)) + pr_err("%s:%d: bad p4d %016lx.\n", __FILE__, __LINE__, p4d_val(e)) #define pgd_ERROR(e) \ - printk("%s:%d: bad pgd %p.\n", __FILE__, __LINE__, (void *) pgd_val(e)) + pr_err("%s:%d: bad pgd %016lx.\n", __FILE__, __LINE__, pgd_val(e)) /* * The vmalloc and module area will always be on the topmost area of the diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index ddc7858bbce4..879b8e3f609c 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -26,6 +26,8 @@ #define _CIF_MCCK_GUEST BIT(CIF_MCCK_GUEST) #define _CIF_DEDICATED_CPU BIT(CIF_DEDICATED_CPU) +#define RESTART_FLAG_CTLREGS _AC(1 << 0, U) + #ifndef __ASSEMBLY__ #include <linux/cpumask.h> diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index cb4f73c7228d..25b5dc34db75 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -291,16 +291,15 @@ struct qdio_ssqd_desc { typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, int, int, unsigned long); -/* qdio errors reported to the upper-layer program */ +/* qdio errors reported through the queue handlers: */ #define QDIO_ERROR_ACTIVATE 0x0001 #define QDIO_ERROR_GET_BUF_STATE 0x0002 #define QDIO_ERROR_SET_BUF_STATE 0x0004 + +/* extra info for completed SBALs: */ #define QDIO_ERROR_SLSB_STATE 0x0100 #define QDIO_ERROR_SLSB_PENDING 0x0200 -#define QDIO_ERROR_FATAL 0x00ff -#define QDIO_ERROR_TEMPORARY 0xff00 - /* for qdio_cleanup */ #define QDIO_FLAG_CLEANUP_USING_CLEAR 0x01 #define QDIO_FLAG_CLEANUP_USING_HALT 0x02 @@ -312,8 +311,6 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, * @qib_param_field_format: format for qib_parm_field * @qib_param_field: pointer to 128 bytes or NULL, if no param field * @qib_rflags: rflags to set - * @input_slib_elements: pointer to no_input_qs * 128 words of data or NULL - * @output_slib_elements: pointer to no_output_qs * 128 words of data or NULL * @no_input_qs: number of input queues * @no_output_qs: number of output queues * @input_handler: handler to be called for input queues @@ -330,27 +327,18 @@ struct qdio_initialize { unsigned int qib_param_field_format; unsigned char *qib_param_field; unsigned char qib_rflags; - unsigned long *input_slib_elements; - unsigned long *output_slib_elements; unsigned int no_input_qs; unsigned int no_output_qs; qdio_handler_t *input_handler; qdio_handler_t *output_handler; void (*irq_poll)(struct ccw_device *cdev, unsigned long data); - unsigned int scan_threshold; unsigned long int_parm; struct qdio_buffer ***input_sbal_addr_array; struct qdio_buffer ***output_sbal_addr_array; }; -#define QDIO_STATE_INACTIVE 0x00000002 /* after qdio_cleanup */ -#define QDIO_STATE_ESTABLISHED 0x00000004 /* after qdio_establish */ -#define QDIO_STATE_ACTIVE 0x00000008 /* after qdio_activate */ -#define QDIO_STATE_STOPPED 0x00000010 /* after queues went down */ - #define QDIO_FLAG_SYNC_INPUT 0x01 #define QDIO_FLAG_SYNC_OUTPUT 0x02 -#define QDIO_FLAG_PCI_OUT 0x10 int qdio_alloc_buffers(struct qdio_buffer **buf, unsigned int count); void qdio_free_buffers(struct qdio_buffer **buf, unsigned int count); @@ -367,7 +355,6 @@ extern int do_QDIO(struct ccw_device *cdev, unsigned int callflags, int q_nr, unsigned int bufnr, unsigned int count, struct qaob *aob); extern int qdio_start_irq(struct ccw_device *cdev); extern int qdio_stop_irq(struct ccw_device *cdev); -extern int qdio_get_next_buffers(struct ccw_device *, int, int *, int *); extern int qdio_inspect_queue(struct ccw_device *cdev, unsigned int nr, bool is_input, unsigned int *bufnr, unsigned int *error); diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index 5763769a39b6..e3ae937bef1c 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -8,8 +8,6 @@ #define _ASM_S390_SCLP_H #include <linux/types.h> -#include <asm/chpid.h> -#include <asm/cpu.h> #define SCLP_CHP_INFO_MASK_SIZE 32 #define EARLY_SCCB_SIZE PAGE_SIZE @@ -19,6 +17,10 @@ /* 24 + 16 * SCLP_MAX_CORES */ #define EXT_SCCB_READ_CPU (3 * PAGE_SIZE) +#ifndef __ASSEMBLY__ +#include <asm/chpid.h> +#include <asm/cpu.h> + struct sclp_chp_info { u8 recognized[SCLP_CHP_INFO_MASK_SIZE]; u8 standby[SCLP_CHP_INFO_MASK_SIZE]; @@ -113,6 +115,9 @@ struct zpci_report_error_header { u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */ } __packed; +extern char *sclp_early_sccb; + +void sclp_early_set_buffer(void *sccb); int sclp_early_read_info(void); int sclp_early_read_storage_info(void); int sclp_early_get_core_info(struct sclp_core_info *info); @@ -147,4 +152,5 @@ static inline int sclp_get_core_info(struct sclp_core_info *info, int early) return _sclp_get_core_info(info); } +#endif /* __ASSEMBLY__ */ #endif /* _ASM_S390_SCLP_H */ diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h index 0c2151451ba5..85881dd48022 100644 --- a/arch/s390/include/asm/sections.h +++ b/arch/s390/include/asm/sections.h @@ -35,7 +35,7 @@ static inline int arch_is_kernel_initmem_freed(unsigned long addr) */ #define __bootdata_preserved(var) __section(".boot.preserved.data." #var) var -extern unsigned long __sdma, __edma; -extern unsigned long __stext_dma, __etext_dma; +extern unsigned long __samode31, __eamode31; +extern unsigned long __stext_amode31, __etext_amode31; #endif diff --git a/arch/s390/include/asm/set_memory.h b/arch/s390/include/asm/set_memory.h index a22a5a81811c..950d87bd997a 100644 --- a/arch/s390/include/asm/set_memory.h +++ b/arch/s390/include/asm/set_memory.h @@ -10,6 +10,7 @@ extern struct mutex cpa_mutex; #define SET_MEMORY_RW 2UL #define SET_MEMORY_NX 4UL #define SET_MEMORY_X 8UL +#define SET_MEMORY_4K 16UL int __set_memory(unsigned long addr, int numpages, unsigned long flags); @@ -33,4 +34,9 @@ static inline int set_memory_x(unsigned long addr, int numpages) return __set_memory(addr, numpages, SET_MEMORY_X); } +static inline int set_memory_4k(unsigned long addr, int numpages) +{ + return __set_memory(addr, numpages, SET_MEMORY_4K); +} + #endif diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 3a77aa96d092..b6606ffd85d8 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -10,11 +10,8 @@ #include <uapi/asm/setup.h> #include <linux/build_bug.h> -#define EP_OFFSET 0x10008 -#define EP_STRING "S390EP" #define PARMAREA 0x10400 -#define EARLY_SCCB_OFFSET 0x11000 -#define HEAD_END 0x12000 +#define HEAD_END 0x11000 /* * Machine features detected in early.c @@ -36,6 +33,7 @@ #define MACHINE_FLAG_NX BIT(15) #define MACHINE_FLAG_GS BIT(16) #define MACHINE_FLAG_SCC BIT(17) +#define MACHINE_FLAG_PCI_MIO BIT(18) #define LPP_MAGIC BIT(31) #define LPP_PID_MASK _AC(0xffffffff, UL) @@ -45,28 +43,11 @@ #define STARTUP_NORMAL_OFFSET 0x10000 #define STARTUP_KDUMP_OFFSET 0x10010 -/* Offsets to parameters in kernel/head.S */ - -#define IPL_DEVICE_OFFSET 0x10400 -#define INITRD_START_OFFSET 0x10408 -#define INITRD_SIZE_OFFSET 0x10410 -#define OLDMEM_BASE_OFFSET 0x10418 -#define OLDMEM_SIZE_OFFSET 0x10420 -#define KERNEL_VERSION_OFFSET 0x10428 -#define COMMAND_LINE_OFFSET 0x10480 - #ifndef __ASSEMBLY__ #include <asm/lowcore.h> #include <asm/types.h> -#define IPL_DEVICE (*(unsigned long *) (IPL_DEVICE_OFFSET)) -#define INITRD_START (*(unsigned long *) (INITRD_START_OFFSET)) -#define INITRD_SIZE (*(unsigned long *) (INITRD_SIZE_OFFSET)) -#define OLDMEM_BASE (*(unsigned long *) (OLDMEM_BASE_OFFSET)) -#define OLDMEM_SIZE (*(unsigned long *) (OLDMEM_SIZE_OFFSET)) -#define COMMAND_LINE ((char *) (COMMAND_LINE_OFFSET)) - struct parmarea { unsigned long ipl_device; /* 0x10400 */ unsigned long initrd_start; /* 0x10408 */ @@ -110,6 +91,7 @@ extern unsigned long mio_wb_bit_mask; #define MACHINE_HAS_NX (S390_lowcore.machine_flags & MACHINE_FLAG_NX) #define MACHINE_HAS_GS (S390_lowcore.machine_flags & MACHINE_FLAG_GS) #define MACHINE_HAS_SCC (S390_lowcore.machine_flags & MACHINE_FLAG_SCC) +#define MACHINE_HAS_PCI_MIO (S390_lowcore.machine_flags & MACHINE_FLAG_PCI_MIO) /* * Console mode. Override with conmode= @@ -161,20 +143,22 @@ static inline unsigned long kaslr_offset(void) extern int is_full_image; +struct initrd_data { + unsigned long start; + unsigned long size; +}; +extern struct initrd_data initrd_data; + +struct oldmem_data { + unsigned long start; + unsigned long size; +}; +extern struct oldmem_data oldmem_data; + static inline u32 gen_lpswe(unsigned long addr) { BUILD_BUG_ON(addr > 0xfff); return 0xb2b20000 | addr; } - -#else /* __ASSEMBLY__ */ - -#define IPL_DEVICE (IPL_DEVICE_OFFSET) -#define INITRD_START (INITRD_START_OFFSET) -#define INITRD_SIZE (INITRD_SIZE_OFFSET) -#define OLDMEM_BASE (OLDMEM_BASE_OFFSET) -#define OLDMEM_SIZE (OLDMEM_SIZE_OFFSET) -#define COMMAND_LINE (COMMAND_LINE_OFFSET) - #endif /* __ASSEMBLY__ */ #endif /* _ASM_S390_SETUP_H */ diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h index 9107e3dab68c..b3dd883699e7 100644 --- a/arch/s390/include/asm/syscall.h +++ b/arch/s390/include/asm/syscall.h @@ -104,4 +104,63 @@ static inline bool arch_syscall_is_vdso_sigreturn(struct pt_regs *regs) return false; } +#define SYSCALL_FMT_0 +#define SYSCALL_FMT_1 , "0" (r2) +#define SYSCALL_FMT_2 , "d" (r3) SYSCALL_FMT_1 +#define SYSCALL_FMT_3 , "d" (r4) SYSCALL_FMT_2 +#define SYSCALL_FMT_4 , "d" (r5) SYSCALL_FMT_3 +#define SYSCALL_FMT_5 , "d" (r6) SYSCALL_FMT_4 +#define SYSCALL_FMT_6 , "d" (r7) SYSCALL_FMT_5 + +#define SYSCALL_PARM_0 +#define SYSCALL_PARM_1 , long arg1 +#define SYSCALL_PARM_2 SYSCALL_PARM_1, long arg2 +#define SYSCALL_PARM_3 SYSCALL_PARM_2, long arg3 +#define SYSCALL_PARM_4 SYSCALL_PARM_3, long arg4 +#define SYSCALL_PARM_5 SYSCALL_PARM_4, long arg5 +#define SYSCALL_PARM_6 SYSCALL_PARM_5, long arg6 + +#define SYSCALL_REGS_0 +#define SYSCALL_REGS_1 \ + register long r2 asm("2") = arg1 +#define SYSCALL_REGS_2 \ + SYSCALL_REGS_1; \ + register long r3 asm("3") = arg2 +#define SYSCALL_REGS_3 \ + SYSCALL_REGS_2; \ + register long r4 asm("4") = arg3 +#define SYSCALL_REGS_4 \ + SYSCALL_REGS_3; \ + register long r5 asm("5") = arg4 +#define SYSCALL_REGS_5 \ + SYSCALL_REGS_4; \ + register long r6 asm("6") = arg5 +#define SYSCALL_REGS_6 \ + SYSCALL_REGS_5; \ + register long r7 asm("7") = arg6 + +#define GENERATE_SYSCALL_FUNC(nr) \ +static __always_inline \ +long syscall##nr(unsigned long syscall SYSCALL_PARM_##nr) \ +{ \ + register unsigned long r1 asm ("1") = syscall; \ + register long rc asm ("2"); \ + SYSCALL_REGS_##nr; \ + \ + asm volatile ( \ + " svc 0\n" \ + : "=d" (rc) \ + : "d" (r1) SYSCALL_FMT_##nr \ + : "memory"); \ + return rc; \ +} + +GENERATE_SYSCALL_FUNC(0) +GENERATE_SYSCALL_FUNC(1) +GENERATE_SYSCALL_FUNC(2) +GENERATE_SYSCALL_FUNC(3) +GENERATE_SYSCALL_FUNC(4) +GENERATE_SYSCALL_FUNC(5) +GENERATE_SYSCALL_FUNC(6) + #endif /* _ASM_SYSCALL_H */ diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h index 12c5f006c136..fe92a4caf5ec 100644 --- a/arch/s390/include/asm/uv.h +++ b/arch/s390/include/asm/uv.h @@ -356,11 +356,9 @@ int uv_convert_from_secure(unsigned long paddr); int gmap_convert_to_secure(struct gmap *gmap, unsigned long gaddr); void setup_uv(void); -void adjust_to_uv_max(unsigned long *vmax); #else #define is_prot_virt_host() 0 static inline void setup_uv(void) {} -static inline void adjust_to_uv_max(unsigned long *vmax) {} static inline int uv_destroy_page(unsigned long paddr) { @@ -373,10 +371,4 @@ static inline int uv_convert_from_secure(unsigned long paddr) } #endif -#if defined(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) || IS_ENABLED(CONFIG_KVM) -void uv_query_info(void); -#else -static inline void uv_query_info(void) {} -#endif - #endif /* _ASM_S390_UV_H */ diff --git a/arch/s390/include/asm/vdso/gettimeofday.h b/arch/s390/include/asm/vdso/gettimeofday.h index d6465b22ffe3..db84942eb78f 100644 --- a/arch/s390/include/asm/vdso/gettimeofday.h +++ b/arch/s390/include/asm/vdso/gettimeofday.h @@ -6,6 +6,7 @@ #define VDSO_HAS_CLOCK_GETRES 1 +#include <asm/syscall.h> #include <asm/timex.h> #include <asm/unistd.h> #include <linux/compiler.h> @@ -35,35 +36,20 @@ static inline u64 __arch_get_hw_counter(s32 clock_mode, const struct vdso_data * static __always_inline long clock_gettime_fallback(clockid_t clkid, struct __kernel_timespec *ts) { - register unsigned long r1 __asm__("r1") = __NR_clock_gettime; - register unsigned long r2 __asm__("r2") = (unsigned long)clkid; - register void *r3 __asm__("r3") = ts; - - asm ("svc 0\n" : "+d" (r2) : "d" (r1), "d" (r3) : "cc", "memory"); - return r2; + return syscall2(__NR_clock_gettime, (long)clkid, (long)ts); } static __always_inline long gettimeofday_fallback(register struct __kernel_old_timeval *tv, register struct timezone *tz) { - register unsigned long r1 __asm__("r1") = __NR_gettimeofday; - register unsigned long r2 __asm__("r2") = (unsigned long)tv; - register void *r3 __asm__("r3") = tz; - - asm ("svc 0\n" : "+d" (r2) : "d" (r1), "d" (r3) : "cc", "memory"); - return r2; + return syscall2(__NR_gettimeofday, (long)tv, (long)tz); } static __always_inline long clock_getres_fallback(clockid_t clkid, struct __kernel_timespec *ts) { - register unsigned long r1 __asm__("r1") = __NR_clock_getres; - register unsigned long r2 __asm__("r2") = (unsigned long)clkid; - register void *r3 __asm__("r3") = ts; - - asm ("svc 0\n" : "+d" (r2) : "d" (r1), "d" (r3) : "cc", "memory"); - return r2; + return syscall2(__NR_clock_getres, (long)clkid, (long)ts); } #ifdef CONFIG_TIME_NS diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index 4a44ba5a2d73..80f500ffb55c 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -40,7 +40,7 @@ obj-y += sysinfo.o lgr.o os_info.o machine_kexec.o obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o obj-y += entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o obj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o -obj-y += smp.o +obj-y += smp.o text_amode31.o extra-y += head64.o vmlinux.lds diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 77ff2130cb04..b57da9338588 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -116,6 +116,7 @@ int main(void) OFFSET(__LC_RESTART_FN, lowcore, restart_fn); OFFSET(__LC_RESTART_DATA, lowcore, restart_data); OFFSET(__LC_RESTART_SOURCE, lowcore, restart_source); + OFFSET(__LC_RESTART_FLAGS, lowcore, restart_flags); OFFSET(__LC_KERNEL_ASCE, lowcore, kernel_asce); OFFSET(__LC_USER_ASCE, lowcore, user_asce); OFFSET(__LC_LPP, lowcore, lpp); @@ -152,5 +153,12 @@ int main(void) DEFINE(__KEXEC_SHA_REGION_SIZE, sizeof(struct kexec_sha_region)); /* sizeof kernel parameter area */ DEFINE(__PARMAREA_SIZE, sizeof(struct parmarea)); + /* kernel parameter area offsets */ + DEFINE(IPL_DEVICE, PARMAREA + offsetof(struct parmarea, ipl_device)); + DEFINE(INITRD_START, PARMAREA + offsetof(struct parmarea, initrd_start)); + DEFINE(INITRD_SIZE, PARMAREA + offsetof(struct parmarea, initrd_size)); + DEFINE(OLDMEM_BASE, PARMAREA + offsetof(struct parmarea, oldmem_base)); + DEFINE(OLDMEM_SIZE, PARMAREA + offsetof(struct parmarea, oldmem_size)); + DEFINE(COMMAND_LINE, PARMAREA + offsetof(struct parmarea, command_line)); return 0; } diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index 0e36dfc9ccd6..d72a6df058d7 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -140,7 +140,7 @@ int copy_oldmem_kernel(void *dst, void *src, size_t count) while (count) { from = __pa(src); - if (!OLDMEM_BASE && from < sclp.hsa_size) { + if (!oldmem_data.start && from < sclp.hsa_size) { /* Copy from zfcp/nvme dump HSA area */ len = min(count, sclp.hsa_size - from); rc = memcpy_hsa_kernel(dst, from, len); @@ -148,12 +148,12 @@ int copy_oldmem_kernel(void *dst, void *src, size_t count) return rc; } else { /* Check for swapped kdump oldmem areas */ - if (OLDMEM_BASE && from - OLDMEM_BASE < OLDMEM_SIZE) { - from -= OLDMEM_BASE; - len = min(count, OLDMEM_SIZE - from); - } else if (OLDMEM_BASE && from < OLDMEM_SIZE) { - len = min(count, OLDMEM_SIZE - from); - from += OLDMEM_BASE; + if (oldmem_data.start && from - oldmem_data.start < oldmem_data.size) { + from -= oldmem_data.start; + len = min(count, oldmem_data.size - from); + } else if (oldmem_data.start && from < oldmem_data.size) { + len = min(count, oldmem_data.size - from); + from += oldmem_data.start; } else { len = count; } @@ -183,7 +183,7 @@ static int copy_oldmem_user(void __user *dst, void *src, size_t count) while (count) { from = __pa(src); - if (!OLDMEM_BASE && from < sclp.hsa_size) { + if (!oldmem_data.start && from < sclp.hsa_size) { /* Copy from zfcp/nvme dump HSA area */ len = min(count, sclp.hsa_size - from); rc = memcpy_hsa_user(dst, from, len); @@ -191,12 +191,12 @@ static int copy_oldmem_user(void __user *dst, void *src, size_t count) return rc; } else { /* Check for swapped kdump oldmem areas */ - if (OLDMEM_BASE && from - OLDMEM_BASE < OLDMEM_SIZE) { - from -= OLDMEM_BASE; - len = min(count, OLDMEM_SIZE - from); - } else if (OLDMEM_BASE && from < OLDMEM_SIZE) { - len = min(count, OLDMEM_SIZE - from); - from += OLDMEM_BASE; + if (oldmem_data.start && from - oldmem_data.size < oldmem_data.size) { + from -= oldmem_data.size; + len = min(count, oldmem_data.size - from); + } else if (oldmem_data.start && from < oldmem_data.size) { + len = min(count, oldmem_data.size - from); + from += oldmem_data.start; } else { len = count; } @@ -243,10 +243,10 @@ static int remap_oldmem_pfn_range_kdump(struct vm_area_struct *vma, unsigned long size_old; int rc; - if (pfn < OLDMEM_SIZE >> PAGE_SHIFT) { - size_old = min(size, OLDMEM_SIZE - (pfn << PAGE_SHIFT)); + if (pfn < oldmem_data.size >> PAGE_SHIFT) { + size_old = min(size, oldmem_data.size - (pfn << PAGE_SHIFT)); rc = remap_pfn_range(vma, from, - pfn + (OLDMEM_BASE >> PAGE_SHIFT), + pfn + (oldmem_data.start >> PAGE_SHIFT), size_old, prot); if (rc || size == size_old) return rc; @@ -288,7 +288,7 @@ static int remap_oldmem_pfn_range_zfcpdump(struct vm_area_struct *vma, int remap_oldmem_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot) { - if (OLDMEM_BASE) + if (oldmem_data.start) return remap_oldmem_pfn_range_kdump(vma, from, pfn, size, prot); else return remap_oldmem_pfn_range_zfcpdump(vma, from, pfn, size, @@ -633,17 +633,17 @@ int elfcorehdr_alloc(unsigned long long *addr, unsigned long long *size) u64 hdr_off; /* If we are not in kdump or zfcp/nvme dump mode return */ - if (!OLDMEM_BASE && !is_ipl_type_dump()) + if (!oldmem_data.start && !is_ipl_type_dump()) return 0; /* If we cannot get HSA size for zfcp/nvme dump return error */ if (is_ipl_type_dump() && !sclp.hsa_size) return -ENODEV; /* For kdump, exclude previous crashkernel memory */ - if (OLDMEM_BASE) { - oldmem_region.base = OLDMEM_BASE; - oldmem_region.size = OLDMEM_SIZE; - oldmem_type.total_size = OLDMEM_SIZE; + if (oldmem_data.start) { + oldmem_region.base = oldmem_data.start; + oldmem_region.size = oldmem_data.size; + oldmem_type.total_size = oldmem_data.size; } mem_chunk_cnt = get_mem_chunk_cnt(); diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index 09b6c6402f9b..4331c7e6e1c0 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -24,6 +24,7 @@ #include <linux/export.h> #include <linux/init.h> #include <linux/fs.h> +#include <linux/minmax.h> #include <linux/debugfs.h> #include <asm/debug.h> @@ -92,6 +93,8 @@ static int debug_hex_ascii_format_fn(debug_info_t *id, struct debug_view *view, char *out_buf, const char *in_buf); static int debug_sprintf_format_fn(debug_info_t *id, struct debug_view *view, char *out_buf, debug_sprintf_entry_t *curr_event); +static void debug_areas_swap(debug_info_t *a, debug_info_t *b); +static void debug_events_append(debug_info_t *dest, debug_info_t *src); /* globals */ @@ -311,24 +314,6 @@ static debug_info_t *debug_info_create(const char *name, int pages_per_area, goto out; rc->mode = mode & ~S_IFMT; - - /* create root directory */ - rc->debugfs_root_entry = debugfs_create_dir(rc->name, - debug_debugfs_root_entry); - - /* append new element to linked list */ - if (!debug_area_first) { - /* first element in list */ - debug_area_first = rc; - rc->prev = NULL; - } else { - /* append element to end of list */ - debug_area_last->next = rc; - rc->prev = debug_area_last; - } - debug_area_last = rc; - rc->next = NULL; - refcount_set(&rc->ref_count, 1); out: return rc; @@ -388,27 +373,10 @@ static void debug_info_get(debug_info_t *db_info) */ static void debug_info_put(debug_info_t *db_info) { - int i; - if (!db_info) return; - if (refcount_dec_and_test(&db_info->ref_count)) { - for (i = 0; i < DEBUG_MAX_VIEWS; i++) { - if (!db_info->views[i]) - continue; - debugfs_remove(db_info->debugfs_entries[i]); - } - debugfs_remove(db_info->debugfs_root_entry); - if (db_info == debug_area_first) - debug_area_first = db_info->next; - if (db_info == debug_area_last) - debug_area_last = db_info->prev; - if (db_info->prev) - db_info->prev->next = db_info->next; - if (db_info->next) - db_info->next->prev = db_info->prev; + if (refcount_dec_and_test(&db_info->ref_count)) debug_info_free(db_info); - } } /* @@ -632,6 +600,31 @@ static int debug_close(struct inode *inode, struct file *file) return 0; /* success */ } +/* Create debugfs entries and add to internal list. */ +static void _debug_register(debug_info_t *id) +{ + /* create root directory */ + id->debugfs_root_entry = debugfs_create_dir(id->name, + debug_debugfs_root_entry); + + /* append new element to linked list */ + if (!debug_area_first) { + /* first element in list */ + debug_area_first = id; + id->prev = NULL; + } else { + /* append element to end of list */ + debug_area_last->next = id; + id->prev = debug_area_last; + } + debug_area_last = id; + id->next = NULL; + + debug_register_view(id, &debug_level_view); + debug_register_view(id, &debug_flush_view); + debug_register_view(id, &debug_pages_view); +} + /** * debug_register_mode() - creates and initializes debug area. * @@ -661,19 +654,16 @@ debug_info_t *debug_register_mode(const char *name, int pages_per_area, if ((uid != 0) || (gid != 0)) pr_warn("Root becomes the owner of all s390dbf files in sysfs\n"); BUG_ON(!initialized); - mutex_lock(&debug_mutex); /* create new debug_info */ rc = debug_info_create(name, pages_per_area, nr_areas, buf_size, mode); - if (!rc) - goto out; - debug_register_view(rc, &debug_level_view); - debug_register_view(rc, &debug_flush_view); - debug_register_view(rc, &debug_pages_view); -out: - if (!rc) + if (rc) { + mutex_lock(&debug_mutex); + _debug_register(rc); + mutex_unlock(&debug_mutex); + } else { pr_err("Registering debug feature %s failed\n", name); - mutex_unlock(&debug_mutex); + } return rc; } EXPORT_SYMBOL(debug_register_mode); @@ -703,6 +693,82 @@ debug_info_t *debug_register(const char *name, int pages_per_area, EXPORT_SYMBOL(debug_register); /** + * debug_register_static() - registers a static debug area + * + * @id: Handle for static debug area + * @pages_per_area: Number of pages per area + * @nr_areas: Number of debug areas + * + * Register debug_info_t defined using DEFINE_STATIC_DEBUG_INFO. + * + * Note: This function is called automatically via an initcall generated by + * DEFINE_STATIC_DEBUG_INFO. + */ +void debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas) +{ + unsigned long flags; + debug_info_t *copy; + + if (!initialized) { + pr_err("Tried to register debug feature %s too early\n", + id->name); + return; + } + + copy = debug_info_alloc("", pages_per_area, nr_areas, id->buf_size, + id->level, ALL_AREAS); + if (!copy) { + pr_err("Registering debug feature %s failed\n", id->name); + + /* Clear pointers to prevent tracing into released initdata. */ + spin_lock_irqsave(&id->lock, flags); + id->areas = NULL; + id->active_pages = NULL; + id->active_entries = NULL; + spin_unlock_irqrestore(&id->lock, flags); + + return; + } + + /* Replace static trace area with dynamic copy. */ + spin_lock_irqsave(&id->lock, flags); + debug_events_append(copy, id); + debug_areas_swap(id, copy); + spin_unlock_irqrestore(&id->lock, flags); + + /* Clear pointers to initdata and discard copy. */ + copy->areas = NULL; + copy->active_pages = NULL; + copy->active_entries = NULL; + debug_info_free(copy); + + mutex_lock(&debug_mutex); + _debug_register(id); + mutex_unlock(&debug_mutex); +} + +/* Remove debugfs entries and remove from internal list. */ +static void _debug_unregister(debug_info_t *id) +{ + int i; + + for (i = 0; i < DEBUG_MAX_VIEWS; i++) { + if (!id->views[i]) + continue; + debugfs_remove(id->debugfs_entries[i]); + } + debugfs_remove(id->debugfs_root_entry); + if (id == debug_area_first) + debug_area_first = id->next; + if (id == debug_area_last) + debug_area_last = id->prev; + if (id->prev) + id->prev->next = id->next; + if (id->next) + id->next->prev = id->prev; +} + +/** * debug_unregister() - give back debug area. * * @id: handle for debug log @@ -715,8 +781,10 @@ void debug_unregister(debug_info_t *id) if (!id) return; mutex_lock(&debug_mutex); - debug_info_put(id); + _debug_unregister(id); mutex_unlock(&debug_mutex); + + debug_info_put(id); } EXPORT_SYMBOL(debug_unregister); @@ -726,35 +794,28 @@ EXPORT_SYMBOL(debug_unregister); */ static int debug_set_size(debug_info_t *id, int nr_areas, int pages_per_area) { - debug_entry_t ***new_areas; + debug_info_t *new_id; unsigned long flags; - int rc = 0; if (!id || (nr_areas <= 0) || (pages_per_area < 0)) return -EINVAL; - if (pages_per_area > 0) { - new_areas = debug_areas_alloc(pages_per_area, nr_areas); - if (!new_areas) { - pr_info("Allocating memory for %i pages failed\n", - pages_per_area); - rc = -ENOMEM; - goto out; - } - } else { - new_areas = NULL; + + new_id = debug_info_alloc("", pages_per_area, nr_areas, id->buf_size, + id->level, ALL_AREAS); + if (!new_id) { + pr_info("Allocating memory for %i pages failed\n", + pages_per_area); + return -ENOMEM; } + spin_lock_irqsave(&id->lock, flags); - debug_areas_free(id); - id->areas = new_areas; - id->nr_areas = nr_areas; - id->pages_per_area = pages_per_area; - id->active_area = 0; - memset(id->active_entries, 0, sizeof(int)*id->nr_areas); - memset(id->active_pages, 0, sizeof(int)*id->nr_areas); + debug_events_append(new_id, id); + debug_areas_swap(new_id, id); + debug_info_free(new_id); spin_unlock_irqrestore(&id->lock, flags); pr_info("%s: set new size (%i pages)\n", id->name, pages_per_area); -out: - return rc; + + return 0; } /** @@ -772,16 +833,17 @@ void debug_set_level(debug_info_t *id, int new_level) if (!id) return; - spin_lock_irqsave(&id->lock, flags); + if (new_level == DEBUG_OFF_LEVEL) { - id->level = DEBUG_OFF_LEVEL; pr_info("%s: switched off\n", id->name); } else if ((new_level > DEBUG_MAX_LEVEL) || (new_level < 0)) { pr_info("%s: level %i is out of range (%i - %i)\n", id->name, new_level, 0, DEBUG_MAX_LEVEL); - } else { - id->level = new_level; + return; } + + spin_lock_irqsave(&id->lock, flags); + id->level = new_level; spin_unlock_irqrestore(&id->lock, flags); } EXPORT_SYMBOL(debug_set_level); @@ -821,6 +883,42 @@ static inline debug_entry_t *get_active_entry(debug_info_t *id) id->active_entries[id->active_area]); } +/* Swap debug areas of a and b. */ +static void debug_areas_swap(debug_info_t *a, debug_info_t *b) +{ + swap(a->nr_areas, b->nr_areas); + swap(a->pages_per_area, b->pages_per_area); + swap(a->areas, b->areas); + swap(a->active_area, b->active_area); + swap(a->active_pages, b->active_pages); + swap(a->active_entries, b->active_entries); +} + +/* Append all debug events in active area from source to destination log. */ +static void debug_events_append(debug_info_t *dest, debug_info_t *src) +{ + debug_entry_t *from, *to, *last; + + if (!src->areas || !dest->areas) + return; + + /* Loop over all entries in src, starting with oldest. */ + from = get_active_entry(src); + last = from; + do { + if (from->clock != 0LL) { + to = get_active_entry(dest); + memset(to, 0, dest->entry_size); + memcpy(to, from, min(src->entry_size, + dest->entry_size)); + proceed_active_entry(dest); + } + + proceed_active_entry(src); + from = get_active_entry(src); + } while (from != last); +} + /* * debug_finish_entry: * - set timestamp, caller address, cpu number etc. @@ -1111,16 +1209,17 @@ int debug_register_view(debug_info_t *id, struct debug_view *view) break; } if (i == DEBUG_MAX_VIEWS) { - pr_err("Registering view %s/%s would exceed the maximum " - "number of views %i\n", id->name, view->name, i); rc = -1; } else { id->views[i] = view; id->debugfs_entries[i] = pde; } spin_unlock_irqrestore(&id->lock, flags); - if (rc) + if (rc) { + pr_err("Registering view %s/%s would exceed the maximum " + "number of views %i\n", id->name, view->name, i); debugfs_remove(pde); + } out: return rc; } diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c index a3f47464c3f1..76a656b2146f 100644 --- a/arch/s390/kernel/diag.c +++ b/arch/s390/kernel/diag.c @@ -14,6 +14,7 @@ #include <asm/diag.h> #include <asm/trace/diag.h> #include <asm/sections.h> +#include "entry.h" struct diag_stat { unsigned int counter[NR_DIAG_STAT]; @@ -50,8 +51,16 @@ static const struct diag_desc diag_map[NR_DIAG_STAT] = { [DIAG_STAT_X500] = { .code = 0x500, .name = "Virtio Service" }, }; -struct diag_ops __bootdata_preserved(diag_dma_ops); -struct diag210 *__bootdata_preserved(__diag210_tmp_dma); +struct diag_ops __amode31_ref diag_amode31_ops = { + .diag210 = _diag210_amode31, + .diag26c = _diag26c_amode31, + .diag14 = _diag14_amode31, + .diag0c = _diag0c_amode31, + .diag308_reset = _diag308_reset_amode31 +}; + +static struct diag210 _diag210_tmp_amode31 __section(".amode31.data"); +struct diag210 __amode31_ref *__diag210_tmp_amode31 = &_diag210_tmp_amode31; static int show_diag_stat(struct seq_file *m, void *v) { @@ -59,7 +68,7 @@ static int show_diag_stat(struct seq_file *m, void *v) unsigned long n = (unsigned long) v - 1; int cpu, prec, tmp; - get_online_cpus(); + cpus_read_lock(); if (n == 0) { seq_puts(m, " "); @@ -78,7 +87,7 @@ static int show_diag_stat(struct seq_file *m, void *v) } seq_printf(m, " %s\n", diag_map[n-1].name); } - put_online_cpus(); + cpus_read_unlock(); return 0; } @@ -135,7 +144,7 @@ EXPORT_SYMBOL(diag_stat_inc_norecursion); int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode) { diag_stat_inc(DIAG_STAT_X014); - return diag_dma_ops.diag14(rx, ry1, subcode); + return diag_amode31_ops.diag14(rx, ry1, subcode); } EXPORT_SYMBOL(diag14); @@ -172,12 +181,12 @@ int diag210(struct diag210 *addr) int ccode; spin_lock_irqsave(&diag210_lock, flags); - *__diag210_tmp_dma = *addr; + *__diag210_tmp_amode31 = *addr; diag_stat_inc(DIAG_STAT_X210); - ccode = diag_dma_ops.diag210(__diag210_tmp_dma); + ccode = diag_amode31_ops.diag210(__diag210_tmp_amode31); - *addr = *__diag210_tmp_dma; + *addr = *__diag210_tmp_amode31; spin_unlock_irqrestore(&diag210_lock, flags); return ccode; @@ -205,6 +214,6 @@ EXPORT_SYMBOL(diag224); int diag26c(void *req, void *resp, enum diag26c_sc subcode) { diag_stat_inc(DIAG_STAT_X26C); - return diag_dma_ops.diag26c(req, resp, subcode); + return diag_amode31_ops.diag26c(req, resp, subcode); } EXPORT_SYMBOL(diag26c); diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index 5412efe328f8..ec5515423f17 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -312,10 +312,12 @@ static const unsigned char formats[][6] = { [INSTR_VRR_VV] = { V_8, V_12, 0, 0, 0, 0 }, [INSTR_VRR_VV0U] = { V_8, V_12, U4_32, 0, 0, 0 }, [INSTR_VRR_VV0U0U] = { V_8, V_12, U4_32, U4_24, 0, 0 }, + [INSTR_VRR_VV0U2] = { V_8, V_12, U4_24, 0, 0, 0 }, [INSTR_VRR_VV0UU2] = { V_8, V_12, U4_32, U4_28, 0, 0 }, [INSTR_VRR_VV0UUU] = { V_8, V_12, U4_32, U4_28, U4_24, 0 }, [INSTR_VRR_VVV] = { V_8, V_12, V_16, 0, 0, 0 }, [INSTR_VRR_VVV0U] = { V_8, V_12, V_16, U4_32, 0, 0 }, + [INSTR_VRR_VVV0U0] = { V_8, V_12, V_16, U4_24, 0, 0 }, [INSTR_VRR_VVV0U0U] = { V_8, V_12, V_16, U4_32, U4_24, 0 }, [INSTR_VRR_VVV0UU] = { V_8, V_12, V_16, U4_32, U4_28, 0 }, [INSTR_VRR_VVV0UUU] = { V_8, V_12, V_16, U4_32, U4_28, U4_24 }, diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index fb84e3fc1686..9857cb046726 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -236,6 +236,10 @@ static __init void detect_machine_facilities(void) clock_comparator_max = -1ULL >> 1; __ctl_set_bit(0, 53); } + if (IS_ENABLED(CONFIG_PCI) && test_facility(153)) { + S390_lowcore.machine_flags |= MACHINE_FLAG_PCI_MIO; + /* the control bit is set during PCI initialization */ + } } static inline void save_vector_registers(void) diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 5a2f70cbd3a9..b9716a7e326d 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -624,12 +624,15 @@ ENTRY(mcck_int_handler) 4: j 4b ENDPROC(mcck_int_handler) -# -# PSW restart interrupt handler -# ENTRY(restart_int_handler) ALTERNATIVE "", ".insn s,0xb2800000,_LPP_OFFSET", 40 stg %r15,__LC_SAVE_AREA_RESTART + TSTMSK __LC_RESTART_FLAGS,RESTART_FLAG_CTLREGS,4 + jz 0f + la %r15,4095 + lctlg %c0,%c15,__LC_CREGS_SAVE_AREA-4095(%r15) +0: larl %r15,.Lstosm_tmp + stosm 0(%r15),0x04 # turn dat on, keep irqs off lg %r15,__LC_RESTART_STACK xc STACK_FRAME_OVERHEAD(__PT_SIZE,%r15),STACK_FRAME_OVERHEAD(%r15) stmg %r0,%r14,STACK_FRAME_OVERHEAD+__PT_R0(%r15) @@ -638,7 +641,7 @@ ENTRY(restart_int_handler) xc 0(STACK_FRAME_OVERHEAD,%r15),0(%r15) lg %r1,__LC_RESTART_FN # load fn, parm & source cpu lg %r2,__LC_RESTART_DATA - lg %r3,__LC_RESTART_SOURCE + lgf %r3,__LC_RESTART_SOURCE ltgr %r3,%r3 # test source cpu address jm 1f # negative -> skip source stop 0: sigp %r4,%r3,SIGP_SENSE # sigp sense to source cpu diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index 1ab33465382f..7f2696e8d511 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -28,10 +28,8 @@ void do_non_secure_storage_access(struct pt_regs *regs); void do_secure_storage_violation(struct pt_regs *regs); void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str); void kernel_stack_overflow(struct pt_regs * regs); -void do_signal(struct pt_regs *regs); void handle_signal32(struct ksignal *ksig, sigset_t *oldset, struct pt_regs *regs); -void do_notify_resume(struct pt_regs *regs); void __init init_IRQ(void); void do_io_irq(struct pt_regs *regs); @@ -64,4 +62,13 @@ void stack_free(unsigned long stack); extern char kprobes_insn_page[]; +extern char _samode31[], _eamode31[]; +extern char _stext_amode31[], _etext_amode31[]; +extern struct exception_table_entry _start_amode31_ex_table[]; +extern struct exception_table_entry _stop_amode31_ex_table[]; + +#define __amode31_data __section(".amode31.data") +#define __amode31_ref __section(".amode31.refs") +extern long _start_amode31_refs[], _end_amode31_refs[]; + #endif /* _ENTRY_H */ diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index c6ddeb5029b4..0a464d328467 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -18,8 +18,11 @@ #include <trace/syscall.h> #include <asm/asm-offsets.h> #include <asm/cacheflush.h> +#include <asm/ftrace.lds.h> +#include <asm/nospec-branch.h> #include <asm/set_memory.h> #include "entry.h" +#include "ftrace.h" /* * To generate function prologue either gcc's hotpatch feature (since gcc 4.8) @@ -40,7 +43,131 @@ * trampoline (ftrace_plt), which clobbers also r1. */ -unsigned long ftrace_plt; +void *ftrace_func __read_mostly = ftrace_stub; +struct ftrace_insn { + u16 opc; + s32 disp; +} __packed; + +asm( + " .align 16\n" + "ftrace_shared_hotpatch_trampoline_br:\n" + " lmg %r0,%r1,2(%r1)\n" + " br %r1\n" + "ftrace_shared_hotpatch_trampoline_br_end:\n" +); + +#ifdef CONFIG_EXPOLINE +asm( + " .align 16\n" + "ftrace_shared_hotpatch_trampoline_ex:\n" + " lmg %r0,%r1,2(%r1)\n" + " ex %r0," __stringify(__LC_BR_R1) "(%r0)\n" + " j .\n" + "ftrace_shared_hotpatch_trampoline_ex_end:\n" +); + +asm( + " .align 16\n" + "ftrace_shared_hotpatch_trampoline_exrl:\n" + " lmg %r0,%r1,2(%r1)\n" + " .insn ril,0xc60000000000,%r0,0f\n" /* exrl */ + " j .\n" + "0: br %r1\n" + "ftrace_shared_hotpatch_trampoline_exrl_end:\n" +); +#endif /* CONFIG_EXPOLINE */ + +#ifdef CONFIG_MODULES +static char *ftrace_plt; + +asm( + " .data\n" + "ftrace_plt_template:\n" + " basr %r1,%r0\n" + " lg %r1,0f-.(%r1)\n" + " br %r1\n" + "0: .quad ftrace_caller\n" + "ftrace_plt_template_end:\n" + " .previous\n" +); +#endif /* CONFIG_MODULES */ + +static const char *ftrace_shared_hotpatch_trampoline(const char **end) +{ + const char *tstart, *tend; + + tstart = ftrace_shared_hotpatch_trampoline_br; + tend = ftrace_shared_hotpatch_trampoline_br_end; +#ifdef CONFIG_EXPOLINE + if (!nospec_disable) { + tstart = ftrace_shared_hotpatch_trampoline_ex; + tend = ftrace_shared_hotpatch_trampoline_ex_end; + if (test_facility(35)) { /* exrl */ + tstart = ftrace_shared_hotpatch_trampoline_exrl; + tend = ftrace_shared_hotpatch_trampoline_exrl_end; + } + } +#endif /* CONFIG_EXPOLINE */ + if (end) + *end = tend; + return tstart; +} + +bool ftrace_need_init_nop(void) +{ + return ftrace_shared_hotpatch_trampoline(NULL); +} + +int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec) +{ + static struct ftrace_hotpatch_trampoline *next_vmlinux_trampoline = + __ftrace_hotpatch_trampolines_start; + static const char orig[6] = { 0xc0, 0x04, 0x00, 0x00, 0x00, 0x00 }; + static struct ftrace_hotpatch_trampoline *trampoline; + struct ftrace_hotpatch_trampoline **next_trampoline; + struct ftrace_hotpatch_trampoline *trampolines_end; + struct ftrace_hotpatch_trampoline tmp; + struct ftrace_insn *insn; + const char *shared; + s32 disp; + + BUILD_BUG_ON(sizeof(struct ftrace_hotpatch_trampoline) != + SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE); + + next_trampoline = &next_vmlinux_trampoline; + trampolines_end = __ftrace_hotpatch_trampolines_end; + shared = ftrace_shared_hotpatch_trampoline(NULL); +#ifdef CONFIG_MODULES + if (mod) { + next_trampoline = &mod->arch.next_trampoline; + trampolines_end = mod->arch.trampolines_end; + shared = ftrace_plt; + } +#endif + + if (WARN_ON_ONCE(*next_trampoline >= trampolines_end)) + return -ENOMEM; + trampoline = (*next_trampoline)++; + + /* Check for the compiler-generated fentry nop (brcl 0, .). */ + if (WARN_ON_ONCE(memcmp((const void *)rec->ip, &orig, sizeof(orig)))) + return -EINVAL; + + /* Generate the trampoline. */ + tmp.brasl_opc = 0xc015; /* brasl %r1, shared */ + tmp.brasl_disp = (shared - (const char *)&trampoline->brasl_opc) / 2; + tmp.interceptor = FTRACE_ADDR; + tmp.rest_of_intercepted_function = rec->ip + sizeof(struct ftrace_insn); + s390_kernel_write(trampoline, &tmp, sizeof(tmp)); + + /* Generate a jump to the trampoline. */ + disp = ((char *)trampoline - (char *)rec->ip) / 2; + insn = (struct ftrace_insn *)rec->ip; + s390_kernel_write(&insn->disp, &disp, sizeof(disp)); + + return 0; +} int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr, unsigned long addr) @@ -48,11 +175,45 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr, return 0; } +static void ftrace_generate_nop_insn(struct ftrace_insn *insn) +{ + /* brcl 0,0 */ + insn->opc = 0xc004; + insn->disp = 0; +} + +static void ftrace_generate_call_insn(struct ftrace_insn *insn, + unsigned long ip) +{ + unsigned long target; + + /* brasl r0,ftrace_caller */ + target = FTRACE_ADDR; +#ifdef CONFIG_MODULES + if (is_module_addr((void *)ip)) + target = (unsigned long)ftrace_plt; +#endif /* CONFIG_MODULES */ + insn->opc = 0xc005; + insn->disp = (target - ip) / 2; +} + +static void brcl_disable(void *brcl) +{ + u8 op = 0x04; /* set mask field to zero */ + + s390_kernel_write((char *)brcl + 1, &op, sizeof(op)); +} + int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, unsigned long addr) { struct ftrace_insn orig, new, old; + if (ftrace_shared_hotpatch_trampoline(NULL)) { + brcl_disable((void *)rec->ip); + return 0; + } + if (copy_from_kernel_nofault(&old, (void *) rec->ip, sizeof(old))) return -EFAULT; /* Replace ftrace call with a nop. */ @@ -66,10 +227,22 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, return 0; } +static void brcl_enable(void *brcl) +{ + u8 op = 0xf4; /* set mask field to all ones */ + + s390_kernel_write((char *)brcl + 1, &op, sizeof(op)); +} + int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) { struct ftrace_insn orig, new, old; + if (ftrace_shared_hotpatch_trampoline(NULL)) { + brcl_enable((void *)rec->ip); + return 0; + } + if (copy_from_kernel_nofault(&old, (void *) rec->ip, sizeof(old))) return -EFAULT; /* Replace nop with an ftrace call. */ @@ -85,6 +258,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) int ftrace_update_ftrace_func(ftrace_func_t func) { + ftrace_func = func; return 0; } @@ -93,22 +267,44 @@ int __init ftrace_dyn_arch_init(void) return 0; } +void arch_ftrace_update_code(int command) +{ + if (ftrace_shared_hotpatch_trampoline(NULL)) + ftrace_modify_all_code(command); + else + ftrace_run_stop_machine(command); +} + +static void __ftrace_sync(void *dummy) +{ +} + +int ftrace_arch_code_modify_post_process(void) +{ + if (ftrace_shared_hotpatch_trampoline(NULL)) { + /* Send SIGP to the other CPUs, so they see the new code. */ + smp_call_function(__ftrace_sync, NULL, 1); + } + return 0; +} + #ifdef CONFIG_MODULES static int __init ftrace_plt_init(void) { - unsigned int *ip; + const char *start, *end; - ftrace_plt = (unsigned long) module_alloc(PAGE_SIZE); + ftrace_plt = module_alloc(PAGE_SIZE); if (!ftrace_plt) panic("cannot allocate ftrace plt\n"); - ip = (unsigned int *) ftrace_plt; - ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */ - ip[1] = 0x100a0004; - ip[2] = 0x07f10000; - ip[3] = FTRACE_ADDR >> 32; - ip[4] = FTRACE_ADDR & 0xffffffff; - set_memory_ro(ftrace_plt, 1); + + start = ftrace_shared_hotpatch_trampoline(&end); + if (!start) { + start = ftrace_plt_template; + end = ftrace_plt_template_end; + } + memcpy(ftrace_plt, start, end - start); + set_memory_ro((unsigned long)ftrace_plt, 1); return 0; } device_initcall(ftrace_plt_init); @@ -145,17 +341,13 @@ NOKPROBE_SYMBOL(prepare_ftrace_return); */ int ftrace_enable_ftrace_graph_caller(void) { - u8 op = 0x04; /* set mask field to zero */ - - s390_kernel_write(__va(ftrace_graph_caller)+1, &op, sizeof(op)); + brcl_disable(__va(ftrace_graph_caller)); return 0; } int ftrace_disable_ftrace_graph_caller(void) { - u8 op = 0xf4; /* set mask field to all ones */ - - s390_kernel_write(__va(ftrace_graph_caller)+1, &op, sizeof(op)); + brcl_enable(__va(ftrace_graph_caller)); return 0; } diff --git a/arch/s390/kernel/ftrace.h b/arch/s390/kernel/ftrace.h new file mode 100644 index 000000000000..69e416f4c6b0 --- /dev/null +++ b/arch/s390/kernel/ftrace.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _FTRACE_H +#define _FTRACE_H + +#include <asm/types.h> + +struct ftrace_hotpatch_trampoline { + u16 brasl_opc; + s32 brasl_disp; + s16: 16; + u64 rest_of_intercepted_function; + u64 interceptor; +} __packed; + +extern struct ftrace_hotpatch_trampoline __ftrace_hotpatch_trampolines_start[]; +extern struct ftrace_hotpatch_trampoline __ftrace_hotpatch_trampolines_end[]; +extern const char ftrace_shared_hotpatch_trampoline_br[]; +extern const char ftrace_shared_hotpatch_trampoline_br_end[]; +extern const char ftrace_shared_hotpatch_trampoline_ex[]; +extern const char ftrace_shared_hotpatch_trampoline_ex_end[]; +extern const char ftrace_shared_hotpatch_trampoline_exrl[]; +extern const char ftrace_shared_hotpatch_trampoline_exrl_end[]; +extern const char ftrace_plt_template[]; +extern const char ftrace_plt_template_end[]; + +#endif /* _FTRACE_H */ diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 0c253886da78..114b5490ad8e 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -21,6 +21,7 @@ ENTRY(startup_continue) larl %r1,tod_clock_base mvc 0(16,%r1),__LC_BOOT_CLOCK larl %r13,.LPG1 # get base + lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers # # Setup stack # @@ -41,3 +42,19 @@ ENTRY(startup_continue) .align 16 .LPG1: .Ldw: .quad 0x0002000180000000,0x0000000000000000 +.Lctl: .quad 0x04040000 # cr0: AFP registers & secondary space + .quad 0 # cr1: primary space segment table + .quad 0 # cr2: dispatchable unit control table + .quad 0 # cr3: instruction authorization + .quad 0xffff # cr4: instruction authorization + .quad 0 # cr5: primary-aste origin + .quad 0 # cr6: I/O interrupts + .quad 0 # cr7: secondary space segment table + .quad 0x0000000000008000 # cr8: access registers translation + .quad 0 # cr9: tracing off + .quad 0 # cr10: tracing off + .quad 0 # cr11: tracing off + .quad 0 # cr12: tracing off + .quad 0 # cr13: home space segment table + .quad 0xc0000000 # cr14: machine check handling off + .quad 0 # cr15: linkage stack operations diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 50e2c21e0ec9..e2cc35775b99 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -179,8 +179,6 @@ static inline int __diag308(unsigned long subcode, void *addr) int diag308(unsigned long subcode, void *addr) { - if (IS_ENABLED(CONFIG_KASAN)) - __arch_local_irq_stosm(0x04); /* enable DAT */ diag_stat_inc(DIAG_STAT_X308); return __diag308(subcode, addr); } @@ -1843,7 +1841,6 @@ static struct kobj_attribute on_restart_attr = __ATTR_RW(on_restart); static void __do_restart(void *ignore) { - __arch_local_irq_stosm(0x04); /* enable DAT */ smp_send_stop(); #ifdef CONFIG_CRASH_DUMP crash_kexec(NULL); @@ -2082,7 +2079,7 @@ void s390_reset_system(void) /* Disable lowcore protection */ __ctl_clear_bit(0, 28); - diag_dma_ops.diag308_reset(); + diag_amode31_ops.diag308_reset(); } #ifdef CONFIG_KEXEC_FILE diff --git a/arch/s390/kernel/ipl_vmparm.c b/arch/s390/kernel/ipl_vmparm.c index af43535a976d..b5245fadcfb0 100644 --- a/arch/s390/kernel/ipl_vmparm.c +++ b/arch/s390/kernel/ipl_vmparm.c @@ -1,4 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/minmax.h> +#include <linux/string.h> #include <asm/ebcdic.h> #include <asm/ipl.h> diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 234d085257eb..3a3145c4a3ba 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -228,7 +228,7 @@ int show_interrupts(struct seq_file *p, void *v) int index = *(loff_t *) v; int cpu, irq; - get_online_cpus(); + cpus_read_lock(); if (index == 0) { seq_puts(p, " "); for_each_online_cpu(cpu) @@ -258,7 +258,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } out: - put_online_cpus(); + cpus_read_unlock(); return 0; } diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c index ab584e8e3527..9156653b56f6 100644 --- a/arch/s390/kernel/jump_label.c +++ b/arch/s390/kernel/jump_label.c @@ -36,7 +36,7 @@ static void jump_label_bug(struct jump_entry *entry, struct insn *expected, unsigned char *ipe = (unsigned char *)expected; unsigned char *ipn = (unsigned char *)new; - pr_emerg("Jump label code mismatch at %pS [%p]\n", ipc, ipc); + pr_emerg("Jump label code mismatch at %pS [%px]\n", ipc, ipc); pr_emerg("Found: %6ph\n", ipc); pr_emerg("Expected: %6ph\n", ipe); pr_emerg("New: %6ph\n", ipn); diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index 1005a6935fbe..0505e55a6297 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -224,8 +224,8 @@ void arch_crash_save_vmcoreinfo(void) VMCOREINFO_SYMBOL(lowcore_ptr); VMCOREINFO_SYMBOL(high_memory); VMCOREINFO_LENGTH(lowcore_ptr, NR_CPUS); - vmcoreinfo_append_str("SDMA=%lx\n", __sdma); - vmcoreinfo_append_str("EDMA=%lx\n", __edma); + vmcoreinfo_append_str("SAMODE31=%lx\n", __samode31); + vmcoreinfo_append_str("EAMODE31=%lx\n", __eamode31); vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset()); mem_assign_absolute(S390_lowcore.vmcore_info, paddr_vmcoreinfo_note()); } @@ -263,7 +263,6 @@ static void __do_machine_kexec(void *data) */ static void __machine_kexec(void *data) { - __arch_local_irq_stosm(0x04); /* enable DAT */ pfault_fini(); tracing_off(); debug_locks_off(); diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S index faf64c2f90f5..6b13797143a7 100644 --- a/arch/s390/kernel/mcount.S +++ b/arch/s390/kernel/mcount.S @@ -59,13 +59,13 @@ ENTRY(ftrace_caller) #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES aghik %r2,%r0,-MCOUNT_INSN_SIZE lgrl %r4,function_trace_op - lgrl %r1,ftrace_trace_function + lgrl %r1,ftrace_func #else lgr %r2,%r0 aghi %r2,-MCOUNT_INSN_SIZE larl %r4,function_trace_op lg %r4,0(%r4) - larl %r1,ftrace_trace_function + larl %r1,ftrace_func lg %r1,0(%r1) #endif lgr %r3,%r14 diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index 4055f1c49814..b01ba460b7ca 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -14,6 +14,7 @@ #include <linux/elf.h> #include <linux/vmalloc.h> #include <linux/fs.h> +#include <linux/ftrace.h> #include <linux/string.h> #include <linux/kernel.h> #include <linux/kasan.h> @@ -23,6 +24,8 @@ #include <asm/alternative.h> #include <asm/nospec-branch.h> #include <asm/facility.h> +#include <asm/ftrace.lds.h> +#include <asm/set_memory.h> #if 0 #define DEBUGP printk @@ -48,6 +51,13 @@ void *module_alloc(unsigned long size) return p; } +#ifdef CONFIG_FUNCTION_TRACER +void module_arch_cleanup(struct module *mod) +{ + module_memfree(mod->arch.trampolines_start); +} +#endif + void module_arch_freeing_init(struct module *mod) { if (is_livepatch_module(mod) && @@ -466,6 +476,30 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, write); } +#ifdef CONFIG_FUNCTION_TRACER +static int module_alloc_ftrace_hotpatch_trampolines(struct module *me, + const Elf_Shdr *s) +{ + char *start, *end; + int numpages; + size_t size; + + size = FTRACE_HOTPATCH_TRAMPOLINES_SIZE(s->sh_size); + numpages = DIV_ROUND_UP(size, PAGE_SIZE); + start = module_alloc(numpages * PAGE_SIZE); + if (!start) + return -ENOMEM; + set_memory_ro((unsigned long)start, numpages); + end = start + size; + + me->arch.trampolines_start = (struct ftrace_hotpatch_trampoline *)start; + me->arch.trampolines_end = (struct ftrace_hotpatch_trampoline *)end; + me->arch.next_trampoline = me->arch.trampolines_start; + + return 0; +} +#endif /* CONFIG_FUNCTION_TRACER */ + int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *me) @@ -473,6 +507,9 @@ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *s; char *secstrings, *secname; void *aseg; +#ifdef CONFIG_FUNCTION_TRACER + int ret; +#endif if (IS_ENABLED(CONFIG_EXPOLINE) && !nospec_disable && me->arch.plt_size) { @@ -507,6 +544,14 @@ int module_finalize(const Elf_Ehdr *hdr, if (IS_ENABLED(CONFIG_EXPOLINE) && (str_has_prefix(secname, ".s390_return"))) nospec_revert(aseg, aseg + s->sh_size); + +#ifdef CONFIG_FUNCTION_TRACER + if (!strcmp(FTRACE_CALLSITE_SECTION, secname)) { + ret = module_alloc_ftrace_hotpatch_trampolines(me, s); + if (ret < 0) + return ret; + } +#endif /* CONFIG_FUNCTION_TRACER */ } jump_label_apply_nops(me); diff --git a/arch/s390/kernel/os_info.c b/arch/s390/kernel/os_info.c index 5a7420b23aa8..4bef35b79b93 100644 --- a/arch/s390/kernel/os_info.c +++ b/arch/s390/kernel/os_info.c @@ -121,7 +121,7 @@ static void os_info_old_init(void) if (os_info_init) return; - if (!OLDMEM_BASE) + if (!oldmem_data.start) goto fail; if (copy_oldmem_kernel(&addr, &S390_lowcore.os_info, sizeof(addr))) goto fail; diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index 975a00c8c564..2e3bb633acf6 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -745,7 +745,7 @@ static int __init cpumf_pmu_init(void) if (!cf_dbg) { pr_err("Registration of s390dbf(cpum_cf) failed\n"); return -ENOMEM; - }; + } debug_register_view(cf_dbg, &debug_sprintf_view); cpumf_pmu.attr_groups = cpumf_cf_event_group(); @@ -1138,7 +1138,7 @@ static long cfset_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int ret; - get_online_cpus(); + cpus_read_lock(); mutex_lock(&cfset_ctrset_mutex); switch (cmd) { case S390_HWCTR_START: @@ -1155,7 +1155,7 @@ static long cfset_ioctl(struct file *file, unsigned int cmd, unsigned long arg) break; } mutex_unlock(&cfset_ctrset_mutex); - put_online_cpus(); + cpus_read_unlock(); return ret; } diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c index 82df39b17bb5..d9d4a806979e 100644 --- a/arch/s390/kernel/processor.c +++ b/arch/s390/kernel/processor.c @@ -11,6 +11,7 @@ #include <linux/cpufeature.h> #include <linux/bitops.h> #include <linux/kernel.h> +#include <linux/random.h> #include <linux/sched/mm.h> #include <linux/init.h> #include <linux/seq_file.h> @@ -23,8 +24,12 @@ #include <asm/elf.h> #include <asm/lowcore.h> #include <asm/param.h> +#include <asm/sclp.h> #include <asm/smp.h> +unsigned long __read_mostly elf_hwcap; +char elf_platform[ELF_PLATFORM_SIZE]; + struct cpu_info { unsigned int cpu_mhz_dynamic; unsigned int cpu_mhz_static; @@ -113,15 +118,33 @@ static void show_facilities(struct seq_file *m) static void show_cpu_summary(struct seq_file *m, void *v) { static const char *hwcap_str[] = { - "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp", - "edat", "etf3eh", "highgprs", "te", "vx", "vxd", "vxe", "gs", - "vxe2", "vxp", "sort", "dflt" - }; - static const char * const int_hwcap_str[] = { - "sie" + [HWCAP_NR_ESAN3] = "esan3", + [HWCAP_NR_ZARCH] = "zarch", + [HWCAP_NR_STFLE] = "stfle", + [HWCAP_NR_MSA] = "msa", + [HWCAP_NR_LDISP] = "ldisp", + [HWCAP_NR_EIMM] = "eimm", + [HWCAP_NR_DFP] = "dfp", + [HWCAP_NR_HPAGE] = "edat", + [HWCAP_NR_ETF3EH] = "etf3eh", + [HWCAP_NR_HIGH_GPRS] = "highgprs", + [HWCAP_NR_TE] = "te", + [HWCAP_NR_VXRS] = "vx", + [HWCAP_NR_VXRS_BCD] = "vxd", + [HWCAP_NR_VXRS_EXT] = "vxe", + [HWCAP_NR_GS] = "gs", + [HWCAP_NR_VXRS_EXT2] = "vxe2", + [HWCAP_NR_VXRS_PDE] = "vxp", + [HWCAP_NR_SORT] = "sort", + [HWCAP_NR_DFLT] = "dflt", + [HWCAP_NR_VXRS_PDE2] = "vxp2", + [HWCAP_NR_NNPA] = "nnpa", + [HWCAP_NR_PCI_MIO] = "pcimio", + [HWCAP_NR_SIE] = "sie", }; int i, cpu; + BUILD_BUG_ON(ARRAY_SIZE(hwcap_str) != HWCAP_NR_MAX); seq_printf(m, "vendor_id : IBM/S390\n" "# processors : %i\n" "bogomips per cpu: %lu.%02lu\n", @@ -132,9 +155,6 @@ static void show_cpu_summary(struct seq_file *m, void *v) for (i = 0; i < ARRAY_SIZE(hwcap_str); i++) if (hwcap_str[i] && (elf_hwcap & (1UL << i))) seq_printf(m, "%s ", hwcap_str[i]); - for (i = 0; i < ARRAY_SIZE(int_hwcap_str); i++) - if (int_hwcap_str[i] && (int_hwcap & (1UL << i))) - seq_printf(m, "%s ", int_hwcap_str[i]); seq_puts(m, "\n"); show_facilities(m); show_cacheinfo(m); @@ -149,6 +169,141 @@ static void show_cpu_summary(struct seq_file *m, void *v) } } +static int __init setup_hwcaps(void) +{ + /* instructions named N3, "backported" to esa-mode */ + if (test_facility(0)) + elf_hwcap |= HWCAP_ESAN3; + + /* z/Architecture mode active */ + elf_hwcap |= HWCAP_ZARCH; + + /* store-facility-list-extended */ + if (test_facility(7)) + elf_hwcap |= HWCAP_STFLE; + + /* message-security assist */ + if (test_facility(17)) + elf_hwcap |= HWCAP_MSA; + + /* long-displacement */ + if (test_facility(19)) + elf_hwcap |= HWCAP_LDISP; + + /* extended-immediate */ + if (test_facility(21)) + elf_hwcap |= HWCAP_EIMM; + + /* extended-translation facility 3 enhancement */ + if (test_facility(22) && test_facility(30)) + elf_hwcap |= HWCAP_ETF3EH; + + /* decimal floating point & perform floating point operation */ + if (test_facility(42) && test_facility(44)) + elf_hwcap |= HWCAP_DFP; + + /* huge page support */ + if (MACHINE_HAS_EDAT1) + elf_hwcap |= HWCAP_HPAGE; + + /* 64-bit register support for 31-bit processes */ + elf_hwcap |= HWCAP_HIGH_GPRS; + + /* transactional execution */ + if (MACHINE_HAS_TE) + elf_hwcap |= HWCAP_TE; + + /* + * Vector extension can be disabled with the "novx" parameter. + * Use MACHINE_HAS_VX instead of facility bit 129. + */ + if (MACHINE_HAS_VX) { + elf_hwcap |= HWCAP_VXRS; + if (test_facility(134)) + elf_hwcap |= HWCAP_VXRS_BCD; + if (test_facility(135)) + elf_hwcap |= HWCAP_VXRS_EXT; + if (test_facility(148)) + elf_hwcap |= HWCAP_VXRS_EXT2; + if (test_facility(152)) + elf_hwcap |= HWCAP_VXRS_PDE; + if (test_facility(192)) + elf_hwcap |= HWCAP_VXRS_PDE2; + } + + if (test_facility(150)) + elf_hwcap |= HWCAP_SORT; + + if (test_facility(151)) + elf_hwcap |= HWCAP_DFLT; + + if (test_facility(165)) + elf_hwcap |= HWCAP_NNPA; + + /* guarded storage */ + if (MACHINE_HAS_GS) + elf_hwcap |= HWCAP_GS; + + if (MACHINE_HAS_PCI_MIO) + elf_hwcap |= HWCAP_PCI_MIO; + + /* virtualization support */ + if (sclp.has_sief2) + elf_hwcap |= HWCAP_SIE; + + return 0; +} +arch_initcall(setup_hwcaps); + +static int __init setup_elf_platform(void) +{ + struct cpuid cpu_id; + + get_cpu_id(&cpu_id); + add_device_randomness(&cpu_id, sizeof(cpu_id)); + switch (cpu_id.machine) { + case 0x2064: + case 0x2066: + default: /* Use "z900" as default for 64 bit kernels. */ + strcpy(elf_platform, "z900"); + break; + case 0x2084: + case 0x2086: + strcpy(elf_platform, "z990"); + break; + case 0x2094: + case 0x2096: + strcpy(elf_platform, "z9-109"); + break; + case 0x2097: + case 0x2098: + strcpy(elf_platform, "z10"); + break; + case 0x2817: + case 0x2818: + strcpy(elf_platform, "z196"); + break; + case 0x2827: + case 0x2828: + strcpy(elf_platform, "zEC12"); + break; + case 0x2964: + case 0x2965: + strcpy(elf_platform, "z13"); + break; + case 0x3906: + case 0x3907: + strcpy(elf_platform, "z14"); + break; + case 0x8561: + case 0x8562: + strcpy(elf_platform, "z15"); + break; + } + return 0; +} +arch_initcall(setup_elf_platform); + static void show_cpu_topology(struct seq_file *m, unsigned long n) { #ifdef CONFIG_SCHED_TOPOLOGY @@ -210,7 +365,7 @@ static inline void *c_update(loff_t *pos) static void *c_start(struct seq_file *m, loff_t *pos) { - get_online_cpus(); + cpus_read_lock(); return c_update(pos); } @@ -222,7 +377,7 @@ static void *c_next(struct seq_file *m, void *v, loff_t *pos) static void c_stop(struct seq_file *m, void *v) { - put_online_cpus(); + cpus_read_unlock(); } const struct seq_operations cpuinfo_op = { diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index ff0f9e838916..fe14beb338e5 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -89,27 +89,71 @@ EXPORT_SYMBOL(console_devno); unsigned int console_irq = -1; EXPORT_SYMBOL(console_irq); -unsigned long elf_hwcap __read_mostly = 0; -char elf_platform[ELF_PLATFORM_SIZE]; +/* + * Some code and data needs to stay below 2 GB, even when the kernel would be + * relocated above 2 GB, because it has to use 31 bit addresses. + * Such code and data is part of the .amode31 section. + */ +unsigned long __amode31_ref __samode31 = __pa(&_samode31); +unsigned long __amode31_ref __eamode31 = __pa(&_eamode31); +unsigned long __amode31_ref __stext_amode31 = __pa(&_stext_amode31); +unsigned long __amode31_ref __etext_amode31 = __pa(&_etext_amode31); +struct exception_table_entry __amode31_ref *__start_amode31_ex_table = _start_amode31_ex_table; +struct exception_table_entry __amode31_ref *__stop_amode31_ex_table = _stop_amode31_ex_table; + +/* + * Control registers CR2, CR5 and CR15 are initialized with addresses + * of tables that must be placed below 2G which is handled by the AMODE31 + * sections. + * Because the AMODE31 sections are relocated below 2G at startup, + * the content of control registers CR2, CR5 and CR15 must be updated + * with new addresses after the relocation. The initial initialization of + * control registers occurs in head64.S and then gets updated again after AMODE31 + * relocation. We must access the relevant AMODE31 tables indirectly via + * pointers placed in the .amode31.refs linker section. Those pointers get + * updated automatically during AMODE31 relocation and always contain a valid + * address within AMODE31 sections. + */ + +static __amode31_data u32 __ctl_duct_amode31[16] __aligned(64); + +static __amode31_data u64 __ctl_aste_amode31[8] __aligned(64) = { + [1] = 0xffffffffffffffff +}; + +static __amode31_data u32 __ctl_duald_amode31[32] __aligned(128) = { + 0x80000000, 0, 0, 0, + 0x80000000, 0, 0, 0, + 0x80000000, 0, 0, 0, + 0x80000000, 0, 0, 0, + 0x80000000, 0, 0, 0, + 0x80000000, 0, 0, 0, + 0x80000000, 0, 0, 0, + 0x80000000, 0, 0, 0 +}; + +static __amode31_data u32 __ctl_linkage_stack_amode31[8] __aligned(64) = { + 0, 0, 0x89000000, 0, + 0, 0, 0x8a000000, 0 +}; -unsigned long int_hwcap = 0; +static u64 __amode31_ref *__ctl_aste = __ctl_aste_amode31; +static u32 __amode31_ref *__ctl_duald = __ctl_duald_amode31; +static u32 __amode31_ref *__ctl_linkage_stack = __ctl_linkage_stack_amode31; +static u32 __amode31_ref *__ctl_duct = __ctl_duct_amode31; int __bootdata(noexec_disabled); unsigned long __bootdata(ident_map_size); struct mem_detect_info __bootdata(mem_detect); +struct initrd_data __bootdata(initrd_data); -struct exception_table_entry *__bootdata_preserved(__start_dma_ex_table); -struct exception_table_entry *__bootdata_preserved(__stop_dma_ex_table); -unsigned long __bootdata_preserved(__stext_dma); -unsigned long __bootdata_preserved(__etext_dma); -unsigned long __bootdata_preserved(__sdma); -unsigned long __bootdata_preserved(__edma); unsigned long __bootdata_preserved(__kaslr_offset); unsigned int __bootdata_preserved(zlib_dfltcc_support); EXPORT_SYMBOL(zlib_dfltcc_support); u64 __bootdata_preserved(stfle_fac_list[16]); EXPORT_SYMBOL(stfle_fac_list); u64 __bootdata_preserved(alt_stfle_fac_list[16]); +struct oldmem_data __bootdata_preserved(oldmem_data); unsigned long VMALLOC_START; EXPORT_SYMBOL(VMALLOC_START); @@ -254,7 +298,7 @@ static void __init setup_zfcpdump(void) { if (!is_ipl_type_dump()) return; - if (OLDMEM_BASE) + if (oldmem_data.start) return; strcat(boot_command_line, " cio_ignore=all,!ipldev,!condev"); console_loglevel = 2; @@ -421,7 +465,7 @@ static void __init setup_lowcore_dat_off(void) lc->restart_stack = (unsigned long) restart_stack; lc->restart_fn = (unsigned long) do_restart; lc->restart_data = 0; - lc->restart_source = -1UL; + lc->restart_source = -1U; mcck_stack = (unsigned long)memblock_alloc(THREAD_SIZE, THREAD_SIZE); if (!mcck_stack) @@ -450,12 +494,19 @@ static void __init setup_lowcore_dat_off(void) static void __init setup_lowcore_dat_on(void) { + struct lowcore *lc = lowcore_ptr[0]; + __ctl_clear_bit(0, 28); S390_lowcore.external_new_psw.mask |= PSW_MASK_DAT; S390_lowcore.svc_new_psw.mask |= PSW_MASK_DAT; S390_lowcore.program_new_psw.mask |= PSW_MASK_DAT; S390_lowcore.io_new_psw.mask |= PSW_MASK_DAT; + __ctl_store(S390_lowcore.cregs_save_area, 0, 15); __ctl_set_bit(0, 28); + mem_assign_absolute(S390_lowcore.restart_flags, RESTART_FLAG_CTLREGS); + mem_assign_absolute(S390_lowcore.program_new_psw, lc->program_new_psw); + memcpy_absolute(&S390_lowcore.cregs_save_area, lc->cregs_save_area, + sizeof(S390_lowcore.cregs_save_area)); } static struct resource code_resource = { @@ -610,9 +661,9 @@ static void __init reserve_crashkernel(void) return; } - low = crash_base ?: OLDMEM_BASE; + low = crash_base ?: oldmem_data.start; high = low + crash_size; - if (low >= OLDMEM_BASE && high <= OLDMEM_BASE + OLDMEM_SIZE) { + if (low >= oldmem_data.start && high <= oldmem_data.start + oldmem_data.size) { /* The crashkernel fits into OLDMEM, reuse OLDMEM */ crash_base = low; } else { @@ -639,7 +690,7 @@ static void __init reserve_crashkernel(void) if (register_memory_notifier(&kdump_mem_nb)) return; - if (!OLDMEM_BASE && MACHINE_IS_VM) + if (!oldmem_data.start && MACHINE_IS_VM) diag10_range(PFN_DOWN(crash_base), PFN_DOWN(crash_size)); crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; @@ -658,11 +709,11 @@ static void __init reserve_crashkernel(void) static void __init reserve_initrd(void) { #ifdef CONFIG_BLK_DEV_INITRD - if (!INITRD_START || !INITRD_SIZE) + if (!initrd_data.start || !initrd_data.size) return; - initrd_start = INITRD_START; - initrd_end = initrd_start + INITRD_SIZE; - memblock_reserve(INITRD_START, INITRD_SIZE); + initrd_start = initrd_data.start; + initrd_end = initrd_start + initrd_data.size; + memblock_reserve(initrd_data.start, initrd_data.size); #endif } @@ -732,10 +783,10 @@ static void __init memblock_add_mem_detect_info(void) static void __init check_initrd(void) { #ifdef CONFIG_BLK_DEV_INITRD - if (INITRD_START && INITRD_SIZE && - !memblock_is_region_memory(INITRD_START, INITRD_SIZE)) { + if (initrd_data.start && initrd_data.size && + !memblock_is_region_memory(initrd_data.start, initrd_data.size)) { pr_err("The initial RAM disk does not fit into the memory\n"); - memblock_free(INITRD_START, INITRD_SIZE); + memblock_free(initrd_data.start, initrd_data.size); initrd_start = initrd_end = 0; } #endif @@ -748,10 +799,10 @@ static void __init reserve_kernel(void) { unsigned long start_pfn = PFN_UP(__pa(_end)); - memblock_reserve(0, HEAD_END); + memblock_reserve(0, STARTUP_NORMAL_OFFSET); + memblock_reserve((unsigned long)sclp_early_sccb, EXT_SCCB_READ_SCP); memblock_reserve((unsigned long)_stext, PFN_PHYS(start_pfn) - (unsigned long)_stext); - memblock_reserve(__sdma, __edma - __sdma); } static void __init setup_memory(void) @@ -771,152 +822,52 @@ static void __init setup_memory(void) memblock_enforce_memory_limit(memblock_end_of_DRAM()); } -/* - * Setup hardware capabilities. - */ -static int __init setup_hwcaps(void) +static void __init relocate_amode31_section(void) { - static const int stfl_bits[6] = { 0, 2, 7, 17, 19, 21 }; - struct cpuid cpu_id; - int i; - - /* - * The store facility list bits numbers as found in the principles - * of operation are numbered with bit 1UL<<31 as number 0 to - * bit 1UL<<0 as number 31. - * Bit 0: instructions named N3, "backported" to esa-mode - * Bit 2: z/Architecture mode is active - * Bit 7: the store-facility-list-extended facility is installed - * Bit 17: the message-security assist is installed - * Bit 19: the long-displacement facility is installed - * Bit 21: the extended-immediate facility is installed - * Bit 22: extended-translation facility 3 is installed - * Bit 30: extended-translation facility 3 enhancement facility - * These get translated to: - * HWCAP_S390_ESAN3 bit 0, HWCAP_S390_ZARCH bit 1, - * HWCAP_S390_STFLE bit 2, HWCAP_S390_MSA bit 3, - * HWCAP_S390_LDISP bit 4, HWCAP_S390_EIMM bit 5 and - * HWCAP_S390_ETF3EH bit 8 (22 && 30). - */ - for (i = 0; i < 6; i++) - if (test_facility(stfl_bits[i])) - elf_hwcap |= 1UL << i; - - if (test_facility(22) && test_facility(30)) - elf_hwcap |= HWCAP_S390_ETF3EH; - - /* - * Check for additional facilities with store-facility-list-extended. - * stfle stores doublewords (8 byte) with bit 1ULL<<63 as bit 0 - * and 1ULL<<0 as bit 63. Bits 0-31 contain the same information - * as stored by stfl, bits 32-xxx contain additional facilities. - * How many facility words are stored depends on the number of - * doublewords passed to the instruction. The additional facilities - * are: - * Bit 42: decimal floating point facility is installed - * Bit 44: perform floating point operation facility is installed - * translated to: - * HWCAP_S390_DFP bit 6 (42 && 44). - */ - if ((elf_hwcap & (1UL << 2)) && test_facility(42) && test_facility(44)) - elf_hwcap |= HWCAP_S390_DFP; - - /* - * Huge page support HWCAP_S390_HPAGE is bit 7. - */ - if (MACHINE_HAS_EDAT1) - elf_hwcap |= HWCAP_S390_HPAGE; - - /* - * 64-bit register support for 31-bit processes - * HWCAP_S390_HIGH_GPRS is bit 9. - */ - elf_hwcap |= HWCAP_S390_HIGH_GPRS; - - /* - * Transactional execution support HWCAP_S390_TE is bit 10. - */ - if (MACHINE_HAS_TE) - elf_hwcap |= HWCAP_S390_TE; - - /* - * Vector extension HWCAP_S390_VXRS is bit 11. The Vector extension - * can be disabled with the "novx" parameter. Use MACHINE_HAS_VX - * instead of facility bit 129. - */ - if (MACHINE_HAS_VX) { - elf_hwcap |= HWCAP_S390_VXRS; - if (test_facility(134)) - elf_hwcap |= HWCAP_S390_VXRS_BCD; - if (test_facility(135)) - elf_hwcap |= HWCAP_S390_VXRS_EXT; - if (test_facility(148)) - elf_hwcap |= HWCAP_S390_VXRS_EXT2; - if (test_facility(152)) - elf_hwcap |= HWCAP_S390_VXRS_PDE; - } - if (test_facility(150)) - elf_hwcap |= HWCAP_S390_SORT; - if (test_facility(151)) - elf_hwcap |= HWCAP_S390_DFLT; - - /* - * Guarded storage support HWCAP_S390_GS is bit 12. - */ - if (MACHINE_HAS_GS) - elf_hwcap |= HWCAP_S390_GS; - - get_cpu_id(&cpu_id); - add_device_randomness(&cpu_id, sizeof(cpu_id)); - switch (cpu_id.machine) { - case 0x2064: - case 0x2066: - default: /* Use "z900" as default for 64 bit kernels. */ - strcpy(elf_platform, "z900"); - break; - case 0x2084: - case 0x2086: - strcpy(elf_platform, "z990"); - break; - case 0x2094: - case 0x2096: - strcpy(elf_platform, "z9-109"); - break; - case 0x2097: - case 0x2098: - strcpy(elf_platform, "z10"); - break; - case 0x2817: - case 0x2818: - strcpy(elf_platform, "z196"); - break; - case 0x2827: - case 0x2828: - strcpy(elf_platform, "zEC12"); - break; - case 0x2964: - case 0x2965: - strcpy(elf_platform, "z13"); - break; - case 0x3906: - case 0x3907: - strcpy(elf_platform, "z14"); - break; - case 0x8561: - case 0x8562: - strcpy(elf_platform, "z15"); - break; - } - - /* - * Virtualization support HWCAP_INT_SIE is bit 0. - */ - if (sclp.has_sief2) - int_hwcap |= HWCAP_INT_SIE; + unsigned long amode31_addr, amode31_size; + long amode31_offset; + long *ptr; + + /* Allocate a new AMODE31 capable memory region */ + amode31_size = __eamode31 - __samode31; + pr_info("Relocating AMODE31 section of size 0x%08lx\n", amode31_size); + amode31_addr = (unsigned long)memblock_alloc_low(amode31_size, PAGE_SIZE); + if (!amode31_addr) + panic("Failed to allocate memory for AMODE31 section\n"); + amode31_offset = amode31_addr - __samode31; + + /* Move original AMODE31 section to the new one */ + memmove((void *)amode31_addr, (void *)__samode31, amode31_size); + /* Zero out the old AMODE31 section to catch invalid accesses within it */ + memset((void *)__samode31, 0, amode31_size); + + /* Update all AMODE31 region references */ + for (ptr = _start_amode31_refs; ptr != _end_amode31_refs; ptr++) + *ptr += amode31_offset; +} - return 0; +/* This must be called after AMODE31 relocation */ +static void __init setup_cr(void) +{ + union ctlreg2 cr2; + union ctlreg5 cr5; + union ctlreg15 cr15; + + __ctl_duct[1] = (unsigned long)__ctl_aste; + __ctl_duct[2] = (unsigned long)__ctl_aste; + __ctl_duct[4] = (unsigned long)__ctl_duald; + + /* Update control registers CR2, CR5 and CR15 */ + __ctl_store(cr2.val, 2, 2); + __ctl_store(cr5.val, 5, 5); + __ctl_store(cr15.val, 15, 15); + cr2.ducto = (unsigned long)__ctl_duct >> 6; + cr5.pasteo = (unsigned long)__ctl_duct >> 6; + cr15.lsea = (unsigned long)__ctl_linkage_stack >> 3; + __ctl_load(cr2.val, 2, 2); + __ctl_load(cr5.val, 5, 5); + __ctl_load(cr15.val, 15, 15); } -arch_initcall(setup_hwcaps); /* * Add system information as device randomness @@ -1059,6 +1010,9 @@ void __init setup_arch(char **cmdline_p) free_mem_detect_info(); + relocate_amode31_section(); + setup_cr(); + setup_uv(); setup_memory_end(); setup_memory(); diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 78ef53b29958..307f5d99514d 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -533,9 +533,3 @@ void arch_do_signal_or_restart(struct pt_regs *regs, bool has_signal) */ restore_saved_sigmask(); } - -void do_notify_resume(struct pt_regs *regs) -{ - tracehook_notify_resume(regs); - rseq_handle_notify_resume(NULL, regs); -} diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 8984711f72ed..2a991e43ead3 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -252,6 +252,7 @@ static void pcpu_prepare_secondary(struct pcpu *pcpu, int cpu) cpumask_set_cpu(cpu, &init_mm.context.cpu_attach_mask); cpumask_set_cpu(cpu, mm_cpumask(&init_mm)); lc->cpu_nr = cpu; + lc->restart_flags = RESTART_FLAG_CTLREGS; lc->spinlock_lockval = arch_spin_lockval(cpu); lc->spinlock_index = 0; lc->percpu_offset = __per_cpu_offset[cpu]; @@ -294,10 +295,10 @@ static void pcpu_start_fn(struct pcpu *pcpu, void (*func)(void *), void *data) cpu = pcpu - pcpu_devices; lc = lowcore_ptr[cpu]; - lc->restart_stack = lc->nodat_stack; + lc->restart_stack = lc->kernel_stack; lc->restart_fn = (unsigned long) func; lc->restart_data = (unsigned long) data; - lc->restart_source = -1UL; + lc->restart_source = -1U; pcpu_sigp_retry(pcpu, SIGP_RESTART, 0); } @@ -311,12 +312,12 @@ static void __pcpu_delegate(pcpu_delegate_fn *func, void *data) func(data); /* should not return */ } -static void __no_sanitize_address pcpu_delegate(struct pcpu *pcpu, - pcpu_delegate_fn *func, - void *data, unsigned long stack) +static void pcpu_delegate(struct pcpu *pcpu, + pcpu_delegate_fn *func, + void *data, unsigned long stack) { struct lowcore *lc = lowcore_ptr[pcpu - pcpu_devices]; - unsigned long source_cpu = stap(); + unsigned int source_cpu = stap(); __load_psw_mask(PSW_KERNEL_BITS | PSW_MASK_DAT); if (pcpu->address == source_cpu) { @@ -569,6 +570,9 @@ static void smp_ctl_bit_callback(void *info) __ctl_load(cregs, 0, 15); } +static DEFINE_SPINLOCK(ctl_lock); +static unsigned long ctlreg; + /* * Set a bit in a control register of all cpus */ @@ -576,6 +580,11 @@ void smp_ctl_set_bit(int cr, int bit) { struct ec_creg_mask_parms parms = { 1UL << bit, -1UL, cr }; + spin_lock(&ctl_lock); + memcpy_absolute(&ctlreg, &S390_lowcore.cregs_save_area[cr], sizeof(ctlreg)); + __set_bit(bit, &ctlreg); + memcpy_absolute(&S390_lowcore.cregs_save_area[cr], &ctlreg, sizeof(ctlreg)); + spin_unlock(&ctl_lock); on_each_cpu(smp_ctl_bit_callback, &parms, 1); } EXPORT_SYMBOL(smp_ctl_set_bit); @@ -587,6 +596,11 @@ void smp_ctl_clear_bit(int cr, int bit) { struct ec_creg_mask_parms parms = { 0, ~(1UL << bit), cr }; + spin_lock(&ctl_lock); + memcpy_absolute(&ctlreg, &S390_lowcore.cregs_save_area[cr], sizeof(ctlreg)); + __clear_bit(bit, &ctlreg); + memcpy_absolute(&S390_lowcore.cregs_save_area[cr], &ctlreg, sizeof(ctlreg)); + spin_unlock(&ctl_lock); on_each_cpu(smp_ctl_bit_callback, &parms, 1); } EXPORT_SYMBOL(smp_ctl_clear_bit); @@ -673,7 +687,7 @@ void __init smp_save_dump_cpus(void) unsigned long page; bool is_boot_cpu; - if (!(OLDMEM_BASE || is_ipl_type_dump())) + if (!(oldmem_data.start || is_ipl_type_dump())) /* No previous system present, normal boot. */ return; /* Allocate a page as dumping area for the store status sigps */ @@ -704,12 +718,12 @@ void __init smp_save_dump_cpus(void) * these registers an SCLP request is required which is * done by drivers/s390/char/zcore.c:init_cpu_info() */ - if (!is_boot_cpu || OLDMEM_BASE) + if (!is_boot_cpu || oldmem_data.start) /* Get the CPU registers */ smp_save_cpu_regs(sa, addr, is_boot_cpu, page); } memblock_free(page, PAGE_SIZE); - diag_dma_ops.diag308_reset(); + diag_amode31_ops.diag308_reset(); pcpu_set_smt(0); } #endif /* CONFIG_CRASH_DUMP */ @@ -793,7 +807,7 @@ static int __smp_rescan_cpus(struct sclp_core_info *info, bool early) u16 core_id; int nr, i; - get_online_cpus(); + cpus_read_lock(); mutex_lock(&smp_cpu_state_mutex); nr = 0; cpumask_xor(&avail, cpu_possible_mask, cpu_present_mask); @@ -816,7 +830,7 @@ static int __smp_rescan_cpus(struct sclp_core_info *info, bool early) nr += smp_add_core(&info->core[i], &avail, configured, early); } mutex_unlock(&smp_cpu_state_mutex); - put_online_cpus(); + cpus_read_unlock(); return nr; } @@ -868,11 +882,19 @@ void __init smp_detect_cpus(void) memblock_free_early((unsigned long)info, sizeof(*info)); } -static void smp_init_secondary(void) +/* + * Activate a secondary processor. + */ +static void smp_start_secondary(void *cpuvoid) { int cpu = raw_smp_processor_id(); S390_lowcore.last_update_clock = get_tod_clock(); + S390_lowcore.restart_stack = (unsigned long)restart_stack; + S390_lowcore.restart_fn = (unsigned long)do_restart; + S390_lowcore.restart_data = 0; + S390_lowcore.restart_source = -1U; + S390_lowcore.restart_flags = 0; restore_access_regs(S390_lowcore.access_regs_save_area); cpu_init(); rcu_cpu_starting(cpu); @@ -892,20 +914,6 @@ static void smp_init_secondary(void) cpu_startup_entry(CPUHP_AP_ONLINE_IDLE); } -/* - * Activate a secondary processor. - */ -static void __no_sanitize_address smp_start_secondary(void *cpuvoid) -{ - S390_lowcore.restart_stack = (unsigned long) restart_stack; - S390_lowcore.restart_fn = (unsigned long) do_restart; - S390_lowcore.restart_data = 0; - S390_lowcore.restart_source = -1UL; - __ctl_load(S390_lowcore.cregs_save_area, 0, 15); - __load_psw_mask(PSW_KERNEL_BITS | PSW_MASK_DAT); - call_on_stack_noreturn(smp_init_secondary, S390_lowcore.kernel_stack); -} - /* Upping and downing of CPUs */ int __cpu_up(unsigned int cpu, struct task_struct *tidle) { @@ -1055,7 +1063,7 @@ static ssize_t cpu_configure_store(struct device *dev, return -EINVAL; if (val != 0 && val != 1) return -EINVAL; - get_online_cpus(); + cpus_read_lock(); mutex_lock(&smp_cpu_state_mutex); rc = -EBUSY; /* disallow configuration changes of online cpus and cpu 0 */ @@ -1104,7 +1112,7 @@ static ssize_t cpu_configure_store(struct device *dev, } out: mutex_unlock(&smp_cpu_state_mutex); - put_online_cpus(); + cpus_read_unlock(); return rc ? rc : count; } static DEVICE_ATTR(configure, 0644, cpu_configure_show, cpu_configure_store); diff --git a/arch/s390/boot/text_dma.S b/arch/s390/kernel/text_amode31.S index f7c77cd518f2..868e4a604110 100644 --- a/arch/s390/boot/text_dma.S +++ b/arch/s390/kernel/text_amode31.S @@ -9,35 +9,24 @@ #include <asm/errno.h> #include <asm/sigp.h> -#ifdef CC_USING_EXPOLINE - .pushsection .dma.text.__s390_indirect_jump_r14,"axG" -__dma__s390_indirect_jump_r14: - larl %r1,0f - ex 0,0(%r1) - j . -0: br %r14 - .popsection -#endif - - .section .dma.text,"ax" + .section .amode31.text,"ax" /* * Simplified version of expoline thunk. The normal thunks can not be used here, * because they might be more than 2 GB away, and not reachable by the relative * branch. No comdat, exrl, etc. optimizations used here, because it only * affects a few functions that are not performance-relevant. */ - .macro BR_EX_DMA_r14 -#ifdef CC_USING_EXPOLINE - jg __dma__s390_indirect_jump_r14 -#else - br %r14 -#endif + .macro BR_EX_AMODE31_r14 + larl %r1,0f + ex 0,0(%r1) + j . +0: br %r14 .endm /* - * int _diag14_dma(unsigned long rx, unsigned long ry1, unsigned long subcode) + * int _diag14_amode31(unsigned long rx, unsigned long ry1, unsigned long subcode) */ -ENTRY(_diag14_dma) +ENTRY(_diag14_amode31) lgr %r1,%r2 lgr %r2,%r3 lgr %r3,%r4 @@ -50,14 +39,14 @@ ENTRY(_diag14_dma) .Ldiag14_fault: sam64 lgfr %r2,%r5 - BR_EX_DMA_r14 - EX_TABLE_DMA(.Ldiag14_ex, .Ldiag14_fault) -ENDPROC(_diag14_dma) + BR_EX_AMODE31_r14 + EX_TABLE_AMODE31(.Ldiag14_ex, .Ldiag14_fault) +ENDPROC(_diag14_amode31) /* - * int _diag210_dma(struct diag210 *addr) + * int _diag210_amode31(struct diag210 *addr) */ -ENTRY(_diag210_dma) +ENTRY(_diag210_amode31) lgr %r1,%r2 lhi %r2,-1 sam31 @@ -68,40 +57,40 @@ ENTRY(_diag210_dma) .Ldiag210_fault: sam64 lgfr %r2,%r2 - BR_EX_DMA_r14 - EX_TABLE_DMA(.Ldiag210_ex, .Ldiag210_fault) -ENDPROC(_diag210_dma) + BR_EX_AMODE31_r14 + EX_TABLE_AMODE31(.Ldiag210_ex, .Ldiag210_fault) +ENDPROC(_diag210_amode31) /* - * int _diag26c_dma(void *req, void *resp, enum diag26c_sc subcode) + * int _diag26c_amode31(void *req, void *resp, enum diag26c_sc subcode) */ -ENTRY(_diag26c_dma) +ENTRY(_diag26c_amode31) lghi %r5,-EOPNOTSUPP sam31 diag %r2,%r4,0x26c .Ldiag26c_ex: sam64 lgfr %r2,%r5 - BR_EX_DMA_r14 - EX_TABLE_DMA(.Ldiag26c_ex, .Ldiag26c_ex) -ENDPROC(_diag26c_dma) + BR_EX_AMODE31_r14 + EX_TABLE_AMODE31(.Ldiag26c_ex, .Ldiag26c_ex) +ENDPROC(_diag26c_amode31) /* - * void _diag0c_dma(struct hypfs_diag0c_entry *entry) + * void _diag0c_amode31(struct hypfs_diag0c_entry *entry) */ -ENTRY(_diag0c_dma) +ENTRY(_diag0c_amode31) sam31 diag %r2,%r2,0x0c sam64 - BR_EX_DMA_r14 -ENDPROC(_diag0c_dma) + BR_EX_AMODE31_r14 +ENDPROC(_diag0c_amode31) /* - * void _diag308_reset_dma(void) + * void _diag308_reset_amode31(void) * * Calls diag 308 subcode 1 and continues execution */ -ENTRY(_diag308_reset_dma) +ENTRY(_diag308_reset_amode31) larl %r4,.Lctlregs # Save control registers stctg %c0,%c15,0(%r4) lg %r2,0(%r4) # Disable lowcore protection @@ -118,7 +107,7 @@ ENTRY(_diag308_reset_dma) larl %r4,.Lcontinue_psw # Save PSW flags epsw %r2,%r3 stm %r2,%r3,0(%r4) - larl %r4,restart_part2 # Setup restart PSW at absolute 0 + larl %r4,.Lrestart_part2 # Setup restart PSW at absolute 0 larl %r3,.Lrestart_diag308_psw og %r4,0(%r3) # Save PSW lghi %r3,0 @@ -126,7 +115,7 @@ ENTRY(_diag308_reset_dma) lghi %r1,1 lghi %r0,0 diag %r0,%r1,0x308 -restart_part2: +.Lrestart_part2: lhi %r0,0 # Load r0 with zero lhi %r1,2 # Use mode 2 = ESAME (dump) sigp %r1,%r0,SIGP_SET_ARCHITECTURE # Switch to ESAME mode @@ -138,19 +127,21 @@ restart_part2: larl %r4,.Lprefix # Restore prefix register spx 0(%r4) larl %r4,.Lcontinue_psw # Restore PSW flags + larl %r2,.Lcontinue + stg %r2,8(%r4) lpswe 0(%r4) .Lcontinue: - BR_EX_DMA_r14 -ENDPROC(_diag308_reset_dma) + BR_EX_AMODE31_r14 +ENDPROC(_diag308_reset_amode31) - .section .dma.data,"aw",@progbits + .section .amode31.data,"aw",@progbits .align 8 .Lrestart_diag308_psw: .long 0x00080000,0x80000000 .align 8 .Lcontinue_psw: - .quad 0,.Lcontinue + .quad 0,0 .align 8 .Lctlreg0: diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 26aa2614ee35..d2458a29618f 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -406,7 +406,7 @@ static ssize_t dispatching_store(struct device *dev, if (val != 0 && val != 1) return -EINVAL; rc = 0; - get_online_cpus(); + cpus_read_lock(); mutex_lock(&smp_cpu_state_mutex); if (cpu_management == val) goto out; @@ -417,7 +417,7 @@ static ssize_t dispatching_store(struct device *dev, topology_expect_change(); out: mutex_unlock(&smp_cpu_state_mutex); - put_online_cpus(); + cpus_read_unlock(); return rc ? rc : count; } static DEVICE_ATTR_RW(dispatching); diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 76947275fe8b..bcefc2173de4 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -291,7 +291,7 @@ static void __init test_monitor_call(void) void __init trap_init(void) { - sort_extable(__start_dma_ex_table, __stop_dma_ex_table); + sort_extable(__start_amode31_ex_table, __stop_amode31_ex_table); local_mcck_enable(); test_monitor_call(); } diff --git a/arch/s390/kernel/uprobes.c b/arch/s390/kernel/uprobes.c index bbf8622bbf5d..bd3ef121c379 100644 --- a/arch/s390/kernel/uprobes.c +++ b/arch/s390/kernel/uprobes.c @@ -126,6 +126,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, case DIE_SSTEP: if (uprobe_post_sstep_notifier(regs)) return NOTIFY_STOP; + break; default: break; } diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c index aeb0a15bcbb7..5a656c7b7a67 100644 --- a/arch/s390/kernel/uv.c +++ b/arch/s390/kernel/uv.c @@ -51,24 +51,9 @@ void __init setup_uv(void) { unsigned long uv_stor_base; - /* - * keep these conditions in line with has_uv_sec_stor_limit() - */ if (!is_prot_virt_host()) return; - if (is_prot_virt_guest()) { - prot_virt_host = 0; - pr_warn("Protected virtualization not available in protected guests."); - return; - } - - if (!test_facility(158)) { - prot_virt_host = 0; - pr_warn("Protected virtualization not supported by the hardware."); - return; - } - uv_stor_base = (unsigned long)memblock_alloc_try_nid( uv_info.uv_base_stor_len, SZ_1M, SZ_2G, MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE); diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile index b2349a3f4fa3..e3e6ac5686df 100644 --- a/arch/s390/kernel/vdso32/Makefile +++ b/arch/s390/kernel/vdso32/Makefile @@ -29,12 +29,14 @@ $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_32) $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32) obj-y += vdso32_wrapper.o +targets += vdso32.lds CPPFLAGS_vdso32.lds += -P -C -U$(ARCH) # Disable gcov profiling, ubsan and kasan for VDSO code GCOV_PROFILE := n UBSAN_SANITIZE := n KASAN_SANITIZE := n +KCSAN_SANITIZE := n # Force dependency (incbin is bad) $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so diff --git a/arch/s390/kernel/vdso32/vdso32.lds.S b/arch/s390/kernel/vdso32/vdso32.lds.S index bff50b6acd6d..edf5ff1debe1 100644 --- a/arch/s390/kernel/vdso32/vdso32.lds.S +++ b/arch/s390/kernel/vdso32/vdso32.lds.S @@ -51,6 +51,7 @@ SECTIONS .rela.dyn ALIGN(8) : { *(.rela.dyn) } .got ALIGN(8) : { *(.got .toc) } + .got.plt ALIGN(8) : { *(.got.plt) } _end = .; PROVIDE(end = .); diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index 2a2092ce19f1..6568de236701 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -39,6 +39,7 @@ CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) GCOV_PROFILE := n UBSAN_SANITIZE := n KASAN_SANITIZE := n +KCSAN_SANITIZE := n # Force dependency (incbin is bad) $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so diff --git a/arch/s390/kernel/vdso64/vdso64.lds.S b/arch/s390/kernel/vdso64/vdso64.lds.S index d4fb336d747b..4461ea151e49 100644 --- a/arch/s390/kernel/vdso64/vdso64.lds.S +++ b/arch/s390/kernel/vdso64/vdso64.lds.S @@ -51,6 +51,7 @@ SECTIONS .rela.dyn ALIGN(8) : { *(.rela.dyn) } .got ALIGN(8) : { *(.got .toc) } + .got.plt ALIGN(8) : { *(.got.plt) } _end = .; PROVIDE(end = .); diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 4c0e19145cc6..63bdb9e1bfc1 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -5,6 +5,7 @@ #include <asm/thread_info.h> #include <asm/page.h> +#include <asm/ftrace.lds.h> /* * Put .bss..swapper_pg_dir as the first thing in .bss. This will @@ -46,6 +47,7 @@ SECTIONS KPROBES_TEXT IRQENTRY_TEXT SOFTIRQENTRY_TEXT + FTRACE_HOTPATCH_TRAMPOLINES_TEXT *(.text.*_indirect_*) *(.fixup) *(.gnu.warning) @@ -71,6 +73,13 @@ SECTIONS RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE) BOOT_DATA_PRESERVED + . = ALIGN(8); + .amode31.refs : { + _start_amode31_refs = .; + *(.amode31.refs) + _end_amode31_refs = .; + } + _edata = .; /* End of data section */ /* will be freed after init */ @@ -136,6 +145,32 @@ SECTIONS BOOT_DATA + /* + * .amode31 section for code, data, ex_table that need to stay + * below 2 GB, even when the kernel is relocated above 2 GB. + */ + . = ALIGN(PAGE_SIZE); + _samode31 = .; + .amode31.text : { + _stext_amode31 = .; + *(.amode31.text) + *(.amode31.text.*_indirect_*) + . = ALIGN(PAGE_SIZE); + _etext_amode31 = .; + } + . = ALIGN(16); + .amode31.ex_table : { + _start_amode31_ex_table = .; + KEEP(*(.amode31.ex_table)) + _stop_amode31_ex_table = .; + } + . = ALIGN(PAGE_SIZE); + .amode31.data : { + *(.amode31.data) + } + . = ALIGN(PAGE_SIZE); + _eamode31 = .; + /* early.c uses stsi, which requires page aligned data. */ . = ALIGN(PAGE_SIZE); INIT_DATA_SECTION(0x100) diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 02c146f9e5cd..807fa9da1e72 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -24,7 +24,7 @@ static int diag_release_pages(struct kvm_vcpu *vcpu) start = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4]; end = vcpu->run->s.regs.gprs[vcpu->arch.sie_block->ipa & 0xf] + PAGE_SIZE; - vcpu->stat.diagnose_10++; + vcpu->stat.instruction_diagnose_10++; if (start & ~PAGE_MASK || end & ~PAGE_MASK || start >= end || start < 2 * PAGE_SIZE) @@ -74,7 +74,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) VCPU_EVENT(vcpu, 3, "diag page reference parameter block at 0x%llx", vcpu->run->s.regs.gprs[rx]); - vcpu->stat.diagnose_258++; + vcpu->stat.instruction_diagnose_258++; if (vcpu->run->s.regs.gprs[rx] & 7) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm)); @@ -145,7 +145,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) static int __diag_time_slice_end(struct kvm_vcpu *vcpu) { VCPU_EVENT(vcpu, 5, "%s", "diag time slice end"); - vcpu->stat.diagnose_44++; + vcpu->stat.instruction_diagnose_44++; kvm_vcpu_on_spin(vcpu, true); return 0; } @@ -169,7 +169,7 @@ static int __diag_time_slice_end_directed(struct kvm_vcpu *vcpu) int tid; tid = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4]; - vcpu->stat.diagnose_9c++; + vcpu->stat.instruction_diagnose_9c++; /* yield to self */ if (tid == vcpu->vcpu_id) @@ -192,7 +192,7 @@ static int __diag_time_slice_end_directed(struct kvm_vcpu *vcpu) VCPU_EVENT(vcpu, 5, "diag time slice end directed to %d: yield forwarded", tid); - vcpu->stat.diagnose_9c_forward++; + vcpu->stat.diag_9c_forward++; return 0; } @@ -203,7 +203,7 @@ static int __diag_time_slice_end_directed(struct kvm_vcpu *vcpu) return 0; no_yield: VCPU_EVENT(vcpu, 5, "diag time slice end directed to %d: ignored", tid); - vcpu->stat.diagnose_9c_ignored++; + vcpu->stat.diag_9c_ignored++; return 0; } @@ -213,7 +213,7 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu) unsigned long subcode = vcpu->run->s.regs.gprs[reg] & 0xffff; VCPU_EVENT(vcpu, 3, "diag ipl functions, subcode %lx", subcode); - vcpu->stat.diagnose_308++; + vcpu->stat.instruction_diagnose_308++; switch (subcode) { case 3: vcpu->run->s390_reset_flags = KVM_S390_RESET_CLEAR; @@ -245,7 +245,7 @@ static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu) { int ret; - vcpu->stat.diagnose_500++; + vcpu->stat.instruction_diagnose_500++; /* No virtio-ccw notification? Get out quickly. */ if (!vcpu->kvm->arch.css_support || (vcpu->run->s.regs.gprs[1] != KVM_S390_VIRTIO_CCW_NOTIFY)) @@ -299,7 +299,7 @@ int kvm_s390_handle_diag(struct kvm_vcpu *vcpu) case 0x500: return __diag_virtio_hypercall(vcpu); default: - vcpu->stat.diagnose_other++; + vcpu->stat.instruction_diagnose_other++; return -EOPNOTSUPP; } } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index b655a7d82bf0..4527ac7b5961 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -163,15 +163,15 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = { STATS_DESC_COUNTER(VCPU, instruction_sigp_init_cpu_reset), STATS_DESC_COUNTER(VCPU, instruction_sigp_cpu_reset), STATS_DESC_COUNTER(VCPU, instruction_sigp_unknown), - STATS_DESC_COUNTER(VCPU, diagnose_10), - STATS_DESC_COUNTER(VCPU, diagnose_44), - STATS_DESC_COUNTER(VCPU, diagnose_9c), - STATS_DESC_COUNTER(VCPU, diagnose_9c_ignored), - STATS_DESC_COUNTER(VCPU, diagnose_9c_forward), - STATS_DESC_COUNTER(VCPU, diagnose_258), - STATS_DESC_COUNTER(VCPU, diagnose_308), - STATS_DESC_COUNTER(VCPU, diagnose_500), - STATS_DESC_COUNTER(VCPU, diagnose_other), + STATS_DESC_COUNTER(VCPU, instruction_diagnose_10), + STATS_DESC_COUNTER(VCPU, instruction_diagnose_44), + STATS_DESC_COUNTER(VCPU, instruction_diagnose_9c), + STATS_DESC_COUNTER(VCPU, diag_9c_ignored), + STATS_DESC_COUNTER(VCPU, diag_9c_forward), + STATS_DESC_COUNTER(VCPU, instruction_diagnose_258), + STATS_DESC_COUNTER(VCPU, instruction_diagnose_308), + STATS_DESC_COUNTER(VCPU, instruction_diagnose_500), + STATS_DESC_COUNTER(VCPU, instruction_diagnose_other), STATS_DESC_COUNTER(VCPU, pfault_sync) }; static_assert(ARRAY_SIZE(kvm_vcpu_stats_desc) == diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c index f289afeb3f31..bccbf394ae7e 100644 --- a/arch/s390/lib/delay.c +++ b/arch/s390/lib/delay.c @@ -7,17 +7,10 @@ * Heiko Carstens <heiko.carstens@de.ibm.com>, */ -#include <linux/sched.h> +#include <linux/processor.h> #include <linux/delay.h> -#include <linux/timex.h> -#include <linux/export.h> -#include <linux/irqflags.h> -#include <linux/interrupt.h> -#include <linux/jump_label.h> -#include <linux/irq.h> -#include <asm/vtimer.h> #include <asm/div64.h> -#include <asm/idle.h> +#include <asm/timex.h> void __delay(unsigned long loops) { diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c index e40a30647d99..0b0c8c284953 100644 --- a/arch/s390/mm/dump_pagetables.c +++ b/arch/s390/mm/dump_pagetables.c @@ -4,6 +4,7 @@ #include <linux/seq_file.h> #include <linux/debugfs.h> #include <linux/mm.h> +#include <linux/kfence.h> #include <linux/kasan.h> #include <asm/ptdump.h> #include <asm/kasan.h> @@ -21,6 +22,10 @@ enum address_markers_idx { IDENTITY_BEFORE_END_NR, KERNEL_START_NR, KERNEL_END_NR, +#ifdef CONFIG_KFENCE + KFENCE_START_NR, + KFENCE_END_NR, +#endif IDENTITY_AFTER_NR, IDENTITY_AFTER_END_NR, #ifdef CONFIG_KASAN @@ -40,6 +45,10 @@ static struct addr_marker address_markers[] = { [IDENTITY_BEFORE_END_NR] = {(unsigned long)_stext, "Identity Mapping End"}, [KERNEL_START_NR] = {(unsigned long)_stext, "Kernel Image Start"}, [KERNEL_END_NR] = {(unsigned long)_end, "Kernel Image End"}, +#ifdef CONFIG_KFENCE + [KFENCE_START_NR] = {0, "KFence Pool Start"}, + [KFENCE_END_NR] = {0, "KFence Pool End"}, +#endif [IDENTITY_AFTER_NR] = {(unsigned long)_end, "Identity Mapping Start"}, [IDENTITY_AFTER_END_NR] = {0, "Identity Mapping End"}, #ifdef CONFIG_KASAN @@ -248,6 +257,9 @@ static void sort_address_markers(void) static int pt_dump_init(void) { +#ifdef CONFIG_KFENCE + unsigned long kfence_start = (unsigned long)__kfence_pool; +#endif /* * Figure out the maximum virtual address being accessible with the * kernel ASCE. We need this to keep the page table walker functions @@ -262,6 +274,10 @@ static int pt_dump_init(void) address_markers[VMEMMAP_END_NR].start_address = (unsigned long)vmemmap + vmemmap_size; address_markers[VMALLOC_NR].start_address = VMALLOC_START; address_markers[VMALLOC_END_NR].start_address = VMALLOC_END; +#ifdef CONFIG_KFENCE + address_markers[KFENCE_START_NR].start_address = kfence_start; + address_markers[KFENCE_END_NR].start_address = kfence_start + KFENCE_POOL_SIZE; +#endif sort_address_markers(); #ifdef CONFIG_PTDUMP_DEBUGFS debugfs_create_file("kernel_page_tables", 0400, NULL, NULL, &ptdump_fops); diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index e33c43b38afe..212632d57db9 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -31,6 +31,7 @@ #include <linux/kprobes.h> #include <linux/uaccess.h> #include <linux/hugetlb.h> +#include <linux/kfence.h> #include <asm/asm-offsets.h> #include <asm/diag.h> #include <asm/gmap.h> @@ -230,8 +231,8 @@ const struct exception_table_entry *s390_search_extables(unsigned long addr) { const struct exception_table_entry *fixup; - fixup = search_extable(__start_dma_ex_table, - __stop_dma_ex_table - __start_dma_ex_table, + fixup = search_extable(__start_amode31_ex_table, + __stop_amode31_ex_table - __start_amode31_ex_table, addr); if (!fixup) fixup = search_exception_tables(addr); @@ -356,6 +357,7 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) unsigned long address; unsigned int flags; vm_fault_t fault; + bool is_write; tsk = current; /* @@ -369,6 +371,8 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) mm = tsk->mm; trans_exc_code = regs->int_parm_long; + address = trans_exc_code & __FAIL_ADDR_MASK; + is_write = (trans_exc_code & store_indication) == 0x400; /* * Verify that the fault happened in user space, that @@ -379,6 +383,8 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) type = get_fault_type(regs); switch (type) { case KERNEL_FAULT: + if (kfence_handle_page_fault(address, is_write, regs)) + return 0; goto out; case USER_FAULT: case GMAP_FAULT: @@ -387,12 +393,11 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) break; } - address = trans_exc_code & __FAIL_ADDR_MASK; perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); flags = FAULT_FLAG_DEFAULT; if (user_mode(regs)) flags |= FAULT_FLAG_USER; - if (access == VM_WRITE || (trans_exc_code & store_indication) == 0x400) + if (access == VM_WRITE || is_write) flags |= FAULT_FLAG_WRITE; mmap_read_lock(mm); diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 8ac710de1ab1..f3db3caa8447 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -34,6 +34,7 @@ #include <asm/processor.h> #include <linux/uaccess.h> #include <asm/pgalloc.h> +#include <asm/kfence.h> #include <asm/ptdump.h> #include <asm/dma.h> #include <asm/lowcore.h> @@ -200,7 +201,7 @@ void __init mem_init(void) high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); pv_init(); - + kfence_split_mapping(); /* Setup guest page hinting */ cmma_init(); diff --git a/arch/s390/mm/kasan_init.c b/arch/s390/mm/kasan_init.c index a0fdc6dc5f9d..3e4735168019 100644 --- a/arch/s390/mm/kasan_init.c +++ b/arch/s390/mm/kasan_init.c @@ -107,6 +107,9 @@ static void __init kasan_early_pgtable_populate(unsigned long address, sgt_prot &= ~_SEGMENT_ENTRY_NOEXEC; } + /* + * The first 1MB of 1:1 mapping is mapped with 4KB pages + */ while (address < end) { pg_dir = pgd_offset_k(address); if (pgd_none(*pg_dir)) { @@ -157,30 +160,26 @@ static void __init kasan_early_pgtable_populate(unsigned long address, pm_dir = pmd_offset(pu_dir, address); if (pmd_none(*pm_dir)) { - if (mode == POPULATE_ZERO_SHADOW && - IS_ALIGNED(address, PMD_SIZE) && + if (IS_ALIGNED(address, PMD_SIZE) && end - address >= PMD_SIZE) { - pmd_populate(&init_mm, pm_dir, - kasan_early_shadow_pte); - address = (address + PMD_SIZE) & PMD_MASK; - continue; - } - /* the first megabyte of 1:1 is mapped with 4k pages */ - if (has_edat && address && end - address >= PMD_SIZE && - mode != POPULATE_ZERO_SHADOW) { - void *page; - - if (mode == POPULATE_ONE2ONE) { - page = (void *)address; - } else { - page = kasan_early_alloc_segment(); - memset(page, 0, _SEGMENT_SIZE); + if (mode == POPULATE_ZERO_SHADOW) { + pmd_populate(&init_mm, pm_dir, kasan_early_shadow_pte); + address = (address + PMD_SIZE) & PMD_MASK; + continue; + } else if (has_edat && address) { + void *page; + + if (mode == POPULATE_ONE2ONE) { + page = (void *)address; + } else { + page = kasan_early_alloc_segment(); + memset(page, 0, _SEGMENT_SIZE); + } + pmd_val(*pm_dir) = __pa(page) | sgt_prot; + address = (address + PMD_SIZE) & PMD_MASK; + continue; } - pmd_val(*pm_dir) = __pa(page) | sgt_prot; - address = (address + PMD_SIZE) & PMD_MASK; - continue; } - pt_dir = kasan_early_pte_alloc(); pmd_populate(&init_mm, pm_dir, pt_dir); } else if (pmd_large(*pm_dir)) { @@ -300,7 +299,7 @@ void __init kasan_early_init(void) pgalloc_low = round_up((unsigned long)_end, _SEGMENT_SIZE); if (IS_ENABLED(CONFIG_BLK_DEV_INITRD)) { initrd_end = - round_up(INITRD_START + INITRD_SIZE, _SEGMENT_SIZE); + round_up(initrd_data.start + initrd_data.size, _SEGMENT_SIZE); pgalloc_low = max(pgalloc_low, initrd_end); } diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index a0f54bd5e98a..9663ce3625bc 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -228,7 +228,7 @@ void *xlate_dev_mem_ptr(phys_addr_t addr) void *bounce = (void *) addr; unsigned long size; - get_online_cpus(); + cpus_read_lock(); preempt_disable(); if (is_swapped(addr)) { size = PAGE_SIZE - (addr & ~PAGE_MASK); @@ -237,7 +237,7 @@ void *xlate_dev_mem_ptr(phys_addr_t addr) memcpy_absolute(bounce, (void *) addr, size); } preempt_enable(); - put_online_cpus(); + cpus_read_unlock(); return bounce; } diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c index 68b153083a92..18a6381097a9 100644 --- a/arch/s390/mm/page-states.c +++ b/arch/s390/mm/page-states.c @@ -228,46 +228,3 @@ void arch_set_page_dat(struct page *page, int order) return; set_page_stable_dat(page, order); } - -void arch_set_page_nodat(struct page *page, int order) -{ - if (cmma_flag < 2) - return; - set_page_stable_nodat(page, order); -} - -int arch_test_page_nodat(struct page *page) -{ - unsigned char state; - - if (cmma_flag < 2) - return 0; - state = get_page_state(page); - return !!(state & 0x20); -} - -void arch_set_page_states(int make_stable) -{ - unsigned long flags, order, t; - struct list_head *l; - struct page *page; - struct zone *zone; - - if (!cmma_flag) - return; - if (make_stable) - drain_local_pages(NULL); - for_each_populated_zone(zone) { - spin_lock_irqsave(&zone->lock, flags); - for_each_migratetype_order(order, t) { - list_for_each(l, &zone->free_area[order].free_list[t]) { - page = list_entry(l, struct page, lru); - if (make_stable) - set_page_stable_dat(page, order); - else - set_page_unused(page, order); - } - } - spin_unlock_irqrestore(&zone->lock, flags); - } -} diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c index ed8e5b3575d5..fdc86c0e4e6c 100644 --- a/arch/s390/mm/pageattr.c +++ b/arch/s390/mm/pageattr.c @@ -8,6 +8,7 @@ #include <asm/cacheflush.h> #include <asm/facility.h> #include <asm/pgalloc.h> +#include <asm/kfence.h> #include <asm/page.h> #include <asm/set_memory.h> @@ -85,6 +86,8 @@ static int walk_pte_level(pmd_t *pmdp, unsigned long addr, unsigned long end, { pte_t *ptep, new; + if (flags == SET_MEMORY_4K) + return 0; ptep = pte_offset_kernel(pmdp, addr); do { new = *ptep; @@ -155,6 +158,7 @@ static int walk_pmd_level(pud_t *pudp, unsigned long addr, unsigned long end, unsigned long flags) { unsigned long next; + int need_split; pmd_t *pmdp; int rc = 0; @@ -164,7 +168,10 @@ static int walk_pmd_level(pud_t *pudp, unsigned long addr, unsigned long end, return -EINVAL; next = pmd_addr_end(addr, end); if (pmd_large(*pmdp)) { - if (addr & ~PMD_MASK || addr + PMD_SIZE > next) { + need_split = !!(flags & SET_MEMORY_4K); + need_split |= !!(addr & ~PMD_MASK); + need_split |= !!(addr + PMD_SIZE > next); + if (need_split) { rc = split_pmd_page(pmdp, addr); if (rc) return rc; @@ -232,6 +239,7 @@ static int walk_pud_level(p4d_t *p4d, unsigned long addr, unsigned long end, unsigned long flags) { unsigned long next; + int need_split; pud_t *pudp; int rc = 0; @@ -241,7 +249,10 @@ static int walk_pud_level(p4d_t *p4d, unsigned long addr, unsigned long end, return -EINVAL; next = pud_addr_end(addr, end); if (pud_large(*pudp)) { - if (addr & ~PUD_MASK || addr + PUD_SIZE > next) { + need_split = !!(flags & SET_MEMORY_4K); + need_split |= !!(addr & ~PUD_MASK); + need_split |= !!(addr + PUD_SIZE > next); + if (need_split) { rc = split_pud_page(pudp, addr); if (rc) break; @@ -316,7 +327,7 @@ int __set_memory(unsigned long addr, int numpages, unsigned long flags) return change_page_attr(addr, addr + numpages * PAGE_SIZE, flags); } -#ifdef CONFIG_DEBUG_PAGEALLOC +#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE) static void ipte_range(pte_t *pte, unsigned long address, int nr) { @@ -340,7 +351,7 @@ void __kernel_map_pages(struct page *page, int numpages, int enable) pte_t *pte; for (i = 0; i < numpages;) { - address = page_to_phys(page + i); + address = (unsigned long)page_to_virt(page + i); pte = virt_to_kpte(address); nr = (unsigned long)pte >> ilog2(sizeof(long)); nr = PTRS_PER_PTE - (nr & (PTRS_PER_PTE - 1)); diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 96897fab89dc..2b1c6d916cf9 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -581,7 +581,7 @@ void __init vmem_map_init(void) __set_memory((unsigned long)_sinittext, (unsigned long)(_einittext - _sinittext) >> PAGE_SHIFT, SET_MEMORY_RO | SET_MEMORY_X); - __set_memory(__stext_dma, (__etext_dma - __stext_dma) >> PAGE_SHIFT, + __set_memory(__stext_amode31, (__etext_amode31 - __stext_amode31) >> PAGE_SHIFT, SET_MEMORY_RO | SET_MEMORY_X); /* we need lowcore executable for our LPSWE instructions */ diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 63cae0476bb4..88419263a89a 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -112,7 +112,7 @@ static inline void reg_set_seen(struct bpf_jit *jit, u32 b1) { u32 r1 = reg2hex[b1]; - if (!jit->seen_reg[r1] && r1 >= 6 && r1 <= 15) + if (r1 >= 6 && r1 <= 15 && !jit->seen_reg[r1]) jit->seen_reg[r1] = 1; } @@ -1154,6 +1154,11 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, } break; /* + * BPF_NOSPEC (speculation barrier) + */ + case BPF_ST | BPF_NOSPEC: + break; + /* * BPF_ST(X) */ case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src_reg */ diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index b0993e05affe..e7e6788d75a8 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -113,13 +113,16 @@ int zpci_register_ioat(struct zpci_dev *zdev, u8 dmaas, { u64 req = ZPCI_CREATE_REQ(zdev->fh, dmaas, ZPCI_MOD_FC_REG_IOAT); struct zpci_fib fib = {0}; - u8 status; + u8 cc, status; WARN_ON_ONCE(iota & 0x3fff); fib.pba = base; fib.pal = limit; fib.iota = iota | ZPCI_IOTA_RTTO_FLAG; - return zpci_mod_fc(req, &fib, &status) ? -EIO : 0; + cc = zpci_mod_fc(req, &fib, &status); + if (cc) + zpci_dbg(3, "reg ioat fid:%x, cc:%d, status:%d\n", zdev->fid, cc, status); + return cc; } /* Modify PCI: Unregister I/O address translation parameters */ @@ -130,9 +133,9 @@ int zpci_unregister_ioat(struct zpci_dev *zdev, u8 dmaas) u8 cc, status; cc = zpci_mod_fc(req, &fib, &status); - if (cc == 3) /* Function already gone. */ - cc = 0; - return cc ? -EIO : 0; + if (cc) + zpci_dbg(3, "unreg ioat fid:%x, cc:%d, status:%d\n", zdev->fid, cc, status); + return cc; } /* Modify PCI: Set PCI function measurement parameters */ @@ -560,9 +563,12 @@ static void zpci_cleanup_bus_resources(struct zpci_dev *zdev) int pcibios_add_device(struct pci_dev *pdev) { + struct zpci_dev *zdev = to_zpci(pdev); struct resource *res; int i; + /* The pdev has a reference to the zdev via its bus */ + zpci_zdev_get(zdev); if (pdev->is_physfn) pdev->no_vf_scan = 1; @@ -582,7 +588,10 @@ int pcibios_add_device(struct pci_dev *pdev) void pcibios_release_device(struct pci_dev *pdev) { + struct zpci_dev *zdev = to_zpci(pdev); + zpci_unmap_resources(pdev); + zpci_zdev_put(zdev); } int pcibios_enable_device(struct pci_dev *pdev, int mask) @@ -653,32 +662,37 @@ void zpci_free_domain(int domain) int zpci_enable_device(struct zpci_dev *zdev) { - int rc; - - rc = clp_enable_fh(zdev, ZPCI_NR_DMA_SPACES); - if (rc) - goto out; - - rc = zpci_dma_init_device(zdev); - if (rc) - goto out_dma; + u32 fh = zdev->fh; + int rc = 0; - return 0; - -out_dma: - clp_disable_fh(zdev); -out: + if (clp_enable_fh(zdev, &fh, ZPCI_NR_DMA_SPACES)) + rc = -EIO; + else + zdev->fh = fh; return rc; } int zpci_disable_device(struct zpci_dev *zdev) { - zpci_dma_exit_device(zdev); - /* - * The zPCI function may already be disabled by the platform, this is - * detected in clp_disable_fh() which becomes a no-op. - */ - return clp_disable_fh(zdev); + u32 fh = zdev->fh; + int cc, rc = 0; + + cc = clp_disable_fh(zdev, &fh); + if (!cc) { + zdev->fh = fh; + } else if (cc == CLP_RC_SETPCIFN_ALRDY) { + pr_info("Disabling PCI function %08x had no effect as it was already disabled\n", + zdev->fid); + /* Function is already disabled - update handle */ + rc = clp_refresh_fh(zdev->fid, &fh); + if (!rc) { + zdev->fh = fh; + rc = -EINVAL; + } + } else { + rc = -EIO; + } + return rc; } /** @@ -788,6 +802,11 @@ int zpci_deconfigure_device(struct zpci_dev *zdev) if (zdev->zbus->bus) zpci_bus_remove_device(zdev, false); + if (zdev->dma_table) { + rc = zpci_dma_exit_device(zdev); + if (rc) + return rc; + } if (zdev_enabled(zdev)) { rc = zpci_disable_device(zdev); if (rc) @@ -811,6 +830,8 @@ void zpci_release_device(struct kref *kref) if (zdev->zbus->bus) zpci_bus_remove_device(zdev, false); + if (zdev->dma_table) + zpci_dma_exit_device(zdev); if (zdev_enabled(zdev)) zpci_disable_device(zdev); @@ -822,7 +843,8 @@ void zpci_release_device(struct kref *kref) case ZPCI_FN_STATE_STANDBY: if (zdev->has_hp_slot) zpci_exit_slot(zdev); - zpci_cleanup_bus_resources(zdev); + if (zdev->has_resources) + zpci_cleanup_bus_resources(zdev); zpci_bus_device_unregister(zdev); zpci_destroy_iommu(zdev); fallthrough; @@ -886,7 +908,6 @@ static void zpci_mem_exit(void) } static unsigned int s390_pci_probe __initdata = 1; -static unsigned int s390_pci_no_mio __initdata; unsigned int s390_pci_force_floating __initdata; static unsigned int s390_pci_initialized; @@ -897,7 +918,7 @@ char * __init pcibios_setup(char *str) return NULL; } if (!strcmp(str, "nomio")) { - s390_pci_no_mio = 1; + S390_lowcore.machine_flags &= ~MACHINE_FLAG_PCI_MIO; return NULL; } if (!strcmp(str, "force_floating")) { @@ -928,7 +949,7 @@ static int __init pci_base_init(void) return 0; } - if (test_facility(153) && !s390_pci_no_mio) { + if (MACHINE_HAS_PCI_MIO) { static_branch_enable(&have_mio); ctl_set_bit(2, 5); } diff --git a/arch/s390/pci/pci_bus.c b/arch/s390/pci/pci_bus.c index 9629f9779c79..5d77acbd1c87 100644 --- a/arch/s390/pci/pci_bus.c +++ b/arch/s390/pci/pci_bus.c @@ -49,6 +49,11 @@ static int zpci_bus_prepare_device(struct zpci_dev *zdev) rc = zpci_enable_device(zdev); if (rc) return rc; + rc = zpci_dma_init_device(zdev); + if (rc) { + zpci_disable_device(zdev); + return rc; + } } if (!zdev->has_resources) { @@ -343,11 +348,11 @@ static int zpci_bus_add_device(struct zpci_bus *zbus, struct zpci_dev *zdev) { int rc = -EINVAL; - zdev->zbus = zbus; if (zbus->function[zdev->devfn]) { pr_err("devfn %04x is already assigned\n", zdev->devfn); return rc; } + zdev->zbus = zbus; zbus->function[zdev->devfn] = zdev; zpci_nb_devices++; @@ -367,6 +372,7 @@ static int zpci_bus_add_device(struct zpci_bus *zbus, struct zpci_dev *zdev) error: zbus->function[zdev->devfn] = NULL; + zdev->zbus = NULL; zpci_nb_devices--; return rc; } diff --git a/arch/s390/pci/pci_bus.h b/arch/s390/pci/pci_bus.h index b877a97e6745..e359d2686178 100644 --- a/arch/s390/pci/pci_bus.h +++ b/arch/s390/pci/pci_bus.h @@ -22,6 +22,11 @@ static inline void zpci_zdev_put(struct zpci_dev *zdev) kref_put(&zdev->kref, zpci_release_device); } +static inline void zpci_zdev_get(struct zpci_dev *zdev) +{ + kref_get(&zdev->kref); +} + int zpci_alloc_domain(int domain); void zpci_free_domain(int domain); int zpci_setup_bus_resources(struct zpci_dev *zdev, diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c index d3331596ddbe..51dc2215a2b7 100644 --- a/arch/s390/pci/pci_clp.c +++ b/arch/s390/pci/pci_clp.c @@ -212,17 +212,22 @@ out: return rc; } -static int clp_refresh_fh(u32 fid); -/* - * Enable/Disable a given PCI function and update its function handle if - * necessary +/** + * clp_set_pci_fn() - Execute a command on a PCI function + * @zdev: Function that will be affected + * @fh: Out parameter for updated function handle + * @nr_dma_as: DMA address space number + * @command: The command code to execute + * + * Returns: 0 on success, < 0 for Linux errors (e.g. -ENOMEM), and + * > 0 for non-success platform responses */ -static int clp_set_pci_fn(struct zpci_dev *zdev, u8 nr_dma_as, u8 command) +static int clp_set_pci_fn(struct zpci_dev *zdev, u32 *fh, u8 nr_dma_as, u8 command) { struct clp_req_rsp_set_pci *rrb; int rc, retries = 100; - u32 fid = zdev->fid; + *fh = 0; rrb = clp_alloc_block(GFP_KERNEL); if (!rrb) return -ENOMEM; @@ -245,17 +250,13 @@ static int clp_set_pci_fn(struct zpci_dev *zdev, u8 nr_dma_as, u8 command) } } while (rrb->response.hdr.rsp == CLP_RC_SETPCIFN_BUSY); - if (rc || rrb->response.hdr.rsp != CLP_RC_OK) { + if (!rc && rrb->response.hdr.rsp == CLP_RC_OK) { + *fh = rrb->response.fh; + } else { zpci_err("Set PCI FN:\n"); zpci_err_clp(rrb->response.hdr.rsp, rc); - } - - if (!rc && rrb->response.hdr.rsp == CLP_RC_OK) { - zdev->fh = rrb->response.fh; - } else if (!rc && rrb->response.hdr.rsp == CLP_RC_SETPCIFN_ALRDY && - rrb->response.fh == 0) { - /* Function is already in desired state - update handle */ - rc = clp_refresh_fh(fid); + if (!rc) + rc = rrb->response.hdr.rsp; } clp_free_block(rrb); return rc; @@ -295,35 +296,62 @@ int clp_setup_writeback_mio(void) return rc; } -int clp_enable_fh(struct zpci_dev *zdev, u8 nr_dma_as) +int clp_enable_fh(struct zpci_dev *zdev, u32 *fh, u8 nr_dma_as) { int rc; - rc = clp_set_pci_fn(zdev, nr_dma_as, CLP_SET_ENABLE_PCI_FN); - zpci_dbg(3, "ena fid:%x, fh:%x, rc:%d\n", zdev->fid, zdev->fh, rc); - if (rc) - goto out; - - if (zpci_use_mio(zdev)) { - rc = clp_set_pci_fn(zdev, nr_dma_as, CLP_SET_ENABLE_MIO); + rc = clp_set_pci_fn(zdev, fh, nr_dma_as, CLP_SET_ENABLE_PCI_FN); + zpci_dbg(3, "ena fid:%x, fh:%x, rc:%d\n", zdev->fid, *fh, rc); + if (!rc && zpci_use_mio(zdev)) { + rc = clp_set_pci_fn(zdev, fh, nr_dma_as, CLP_SET_ENABLE_MIO); zpci_dbg(3, "ena mio fid:%x, fh:%x, rc:%d\n", - zdev->fid, zdev->fh, rc); + zdev->fid, *fh, rc); if (rc) - clp_disable_fh(zdev); + clp_disable_fh(zdev, fh); } -out: return rc; } -int clp_disable_fh(struct zpci_dev *zdev) +int clp_disable_fh(struct zpci_dev *zdev, u32 *fh) { int rc; if (!zdev_enabled(zdev)) return 0; - rc = clp_set_pci_fn(zdev, 0, CLP_SET_DISABLE_PCI_FN); - zpci_dbg(3, "dis fid:%x, fh:%x, rc:%d\n", zdev->fid, zdev->fh, rc); + rc = clp_set_pci_fn(zdev, fh, 0, CLP_SET_DISABLE_PCI_FN); + zpci_dbg(3, "dis fid:%x, fh:%x, rc:%d\n", zdev->fid, *fh, rc); + return rc; +} + +static int clp_list_pci_req(struct clp_req_rsp_list_pci *rrb, + u64 *resume_token, int *nentries) +{ + int rc; + + memset(rrb, 0, sizeof(*rrb)); + rrb->request.hdr.len = sizeof(rrb->request); + rrb->request.hdr.cmd = CLP_LIST_PCI; + /* store as many entries as possible */ + rrb->response.hdr.len = CLP_BLK_SIZE - LIST_PCI_HDR_LEN; + rrb->request.resume_token = *resume_token; + + /* Get PCI function handle list */ + rc = clp_req(rrb, CLP_LPS_PCI); + if (rc || rrb->response.hdr.rsp != CLP_RC_OK) { + zpci_err("List PCI FN:\n"); + zpci_err_clp(rrb->response.hdr.rsp, rc); + return -EIO; + } + + update_uid_checking(rrb->response.uid_checking); + WARN_ON_ONCE(rrb->response.entry_size != + sizeof(struct clp_fh_list_entry)); + + *nentries = (rrb->response.hdr.len - LIST_PCI_HDR_LEN) / + rrb->response.entry_size; + *resume_token = rrb->response.resume_token; + return rc; } @@ -331,38 +359,40 @@ static int clp_list_pci(struct clp_req_rsp_list_pci *rrb, void *data, void (*cb)(struct clp_fh_list_entry *, void *)) { u64 resume_token = 0; - int entries, i, rc; + int nentries, i, rc; do { - memset(rrb, 0, sizeof(*rrb)); - rrb->request.hdr.len = sizeof(rrb->request); - rrb->request.hdr.cmd = CLP_LIST_PCI; - /* store as many entries as possible */ - rrb->response.hdr.len = CLP_BLK_SIZE - LIST_PCI_HDR_LEN; - rrb->request.resume_token = resume_token; - - /* Get PCI function handle list */ - rc = clp_req(rrb, CLP_LPS_PCI); - if (rc || rrb->response.hdr.rsp != CLP_RC_OK) { - zpci_err("List PCI FN:\n"); - zpci_err_clp(rrb->response.hdr.rsp, rc); - rc = -EIO; - goto out; - } + rc = clp_list_pci_req(rrb, &resume_token, &nentries); + if (rc) + return rc; + for (i = 0; i < nentries; i++) + cb(&rrb->response.fh_list[i], data); + } while (resume_token); - update_uid_checking(rrb->response.uid_checking); - WARN_ON_ONCE(rrb->response.entry_size != - sizeof(struct clp_fh_list_entry)); + return rc; +} - entries = (rrb->response.hdr.len - LIST_PCI_HDR_LEN) / - rrb->response.entry_size; +static int clp_find_pci(struct clp_req_rsp_list_pci *rrb, u32 fid, + struct clp_fh_list_entry *entry) +{ + struct clp_fh_list_entry *fh_list; + u64 resume_token = 0; + int nentries, i, rc; - resume_token = rrb->response.resume_token; - for (i = 0; i < entries; i++) - cb(&rrb->response.fh_list[i], data); + do { + rc = clp_list_pci_req(rrb, &resume_token, &nentries); + if (rc) + return rc; + for (i = 0; i < nentries; i++) { + fh_list = rrb->response.fh_list; + if (fh_list[i].fid == fid) { + *entry = fh_list[i]; + return 0; + } + } } while (resume_token); -out: - return rc; + + return -ENODEV; } static void __clp_add(struct clp_fh_list_entry *entry, void *data) @@ -392,67 +422,41 @@ int clp_scan_pci_devices(void) return rc; } -static void __clp_refresh_fh(struct clp_fh_list_entry *entry, void *data) -{ - struct zpci_dev *zdev; - u32 fid = *((u32 *)data); - - if (!entry->vendor_id || fid != entry->fid) - return; - - zdev = get_zdev_by_fid(fid); - if (!zdev) - return; - - zdev->fh = entry->fh; -} - /* - * Refresh the function handle of the function matching @fid + * Get the current function handle of the function matching @fid */ -static int clp_refresh_fh(u32 fid) +int clp_refresh_fh(u32 fid, u32 *fh) { struct clp_req_rsp_list_pci *rrb; + struct clp_fh_list_entry entry; int rc; rrb = clp_alloc_block(GFP_NOWAIT); if (!rrb) return -ENOMEM; - rc = clp_list_pci(rrb, &fid, __clp_refresh_fh); + rc = clp_find_pci(rrb, fid, &entry); + if (!rc) + *fh = entry.fh; clp_free_block(rrb); return rc; } -struct clp_state_data { - u32 fid; - enum zpci_state state; -}; - -static void __clp_get_state(struct clp_fh_list_entry *entry, void *data) -{ - struct clp_state_data *sd = data; - - if (entry->fid != sd->fid) - return; - - sd->state = entry->config_state; -} - int clp_get_state(u32 fid, enum zpci_state *state) { struct clp_req_rsp_list_pci *rrb; - struct clp_state_data sd = {fid, ZPCI_FN_STATE_RESERVED}; + struct clp_fh_list_entry entry; int rc; + *state = ZPCI_FN_STATE_RESERVED; rrb = clp_alloc_block(GFP_ATOMIC); if (!rrb) return -ENOMEM; - rc = clp_list_pci(rrb, &sd, __clp_get_state); + rc = clp_find_pci(rrb, fid, &entry); if (!rc) - *state = sd.state; + *state = entry.config_state; clp_free_block(rrb); return rc; diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index ebc9a49523aa..58f2f7abea96 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -590,10 +590,11 @@ int zpci_dma_init_device(struct zpci_dev *zdev) } } - rc = zpci_register_ioat(zdev, 0, zdev->start_dma, zdev->end_dma, - (u64) zdev->dma_table); - if (rc) + if (zpci_register_ioat(zdev, 0, zdev->start_dma, zdev->end_dma, + (u64)zdev->dma_table)) { + rc = -EIO; goto free_bitmap; + } return 0; free_bitmap: @@ -608,17 +609,25 @@ out: return rc; } -void zpci_dma_exit_device(struct zpci_dev *zdev) +int zpci_dma_exit_device(struct zpci_dev *zdev) { + int cc = 0; + /* * At this point, if the device is part of an IOMMU domain, this would * be a strong hint towards a bug in the IOMMU API (common) code and/or * simultaneous access via IOMMU and DMA API. So let's issue a warning. */ WARN_ON(zdev->s390_domain); - - if (zpci_unregister_ioat(zdev, 0)) - return; + if (zdev_enabled(zdev)) + cc = zpci_unregister_ioat(zdev, 0); + /* + * cc == 3 indicates the function is gone already. This can happen + * if the function was deconfigured/disabled suddenly and we have not + * received a new handle yet. + */ + if (cc && cc != 3) + return -EIO; dma_cleanup_tables(zdev->dma_table); zdev->dma_table = NULL; @@ -626,8 +635,8 @@ void zpci_dma_exit_device(struct zpci_dev *zdev) zdev->iommu_bitmap = NULL; vfree(zdev->lazy_bitmap); zdev->lazy_bitmap = NULL; - zdev->next_bit = 0; + return 0; } static int __init dma_alloc_cpu_table_caches(void) diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index cd447b96b4b1..c856f80cb21b 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -84,7 +84,10 @@ static void zpci_event_hard_deconfigured(struct zpci_dev *zdev, u32 fh) /* Even though the device is already gone we still * need to free zPCI resources as part of the disable. */ - zpci_disable_device(zdev); + if (zdev->dma_table) + zpci_dma_exit_device(zdev); + if (zdev_enabled(zdev)) + zpci_disable_device(zdev); zdev->state = ZPCI_FN_STATE_STANDBY; } diff --git a/arch/s390/pci/pci_irq.c b/arch/s390/pci/pci_irq.c index 9c7de9089939..3823e159bf74 100644 --- a/arch/s390/pci/pci_irq.c +++ b/arch/s390/pci/pci_irq.c @@ -365,10 +365,6 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev) for_each_pci_msi_entry(msi, pdev) { if (!msi->irq) continue; - if (msi->msi_attrib.is_msix) - __pci_msix_desc_mask_irq(msi, 1); - else - __pci_msi_desc_mask_irq(msi, 1, 1); irq_set_msi_desc(msi->irq, NULL); irq_free_desc(msi->irq); msi->msg.address_lo = 0; diff --git a/arch/s390/pci/pci_sysfs.c b/arch/s390/pci/pci_sysfs.c index 6e2450c2b9c1..335c281811c7 100644 --- a/arch/s390/pci/pci_sysfs.c +++ b/arch/s390/pci/pci_sysfs.c @@ -82,13 +82,26 @@ static ssize_t recover_store(struct device *dev, struct device_attribute *attr, pci_lock_rescan_remove(); if (pci_dev_is_added(pdev)) { pci_stop_and_remove_bus_device(pdev); - ret = zpci_disable_device(zdev); - if (ret) - goto out; + if (zdev->dma_table) { + ret = zpci_dma_exit_device(zdev); + if (ret) + goto out; + } + + if (zdev_enabled(zdev)) { + ret = zpci_disable_device(zdev); + if (ret) + goto out; + } ret = zpci_enable_device(zdev); if (ret) goto out; + ret = zpci_dma_init_device(zdev); + if (ret) { + zpci_disable_device(zdev); + goto out; + } pci_rescan_bus(zdev->zbus->bus); } out: diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile index 21c4ebe29b9a..360ada80d20c 100644 --- a/arch/s390/purgatory/Makefile +++ b/arch/s390/purgatory/Makefile @@ -19,6 +19,7 @@ KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n KASAN_SANITIZE := n +KCSAN_SANITIZE := n KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare diff --git a/arch/s390/tools/opcodes.txt b/arch/s390/tools/opcodes.txt index 0e207c46e8da..6db9820d104a 100644 --- a/arch/s390/tools/opcodes.txt +++ b/arch/s390/tools/opcodes.txt @@ -189,6 +189,8 @@ ad stosm SI_URD ae sigp RS_RRRD af mc SI_URD b1 lra RX_RRRD +b200 lbear S_RD +b201 stbear S_RD b202 stidp S_RD b204 sck S_RD b205 stck S_RD @@ -523,6 +525,7 @@ b931 clgfr RRE_RR b938 sortl RRE_RR b939 dfltcc RRF_R0RR2 b93a kdsa RRE_RR +b93b nnpa RRE_00 b93c ppno RRE_RR b93e kimd RRE_RR b93f klmd RRE_RR @@ -562,6 +565,7 @@ b987 dlgr RRE_RR b988 alcgr RRE_RR b989 slbgr RRE_RR b98a cspg RRE_RR +b98b rdp RRF_RURR2 b98d epsw RRE_RR b98e idte RRF_RURR2 b98f crdte RRF_RURR2 @@ -876,19 +880,32 @@ e63d vstrl VSI_URDV e63f vstrlr VRS_RRDV e649 vlip VRI_V0UU2 e650 vcvb VRR_RV0UU +e651 vclzdp VRR_VV0U2 e652 vcvbg VRR_RV0UU +e654 vupkzh VRR_VV0U2 +e655 vcnf VRR_VV0UU2 +e656 vclfnh VRR_VV0UU2 e658 vcvd VRI_VR0UU e659 vsrp VRI_VVUUU2 e65a vcvdg VRI_VR0UU e65b vpsop VRI_VVUUU2 +e65c vupkzl VRR_VV0U2 +e65d vcfn VRR_VV0UU2 +e65e vclfnl VRR_VV0UU2 e65f vtp VRR_0V +e670 vpkzr VRI_VVV0UU2 e671 vap VRI_VVV0UU2 +e672 vsrpr VRI_VVV0UU2 e673 vsp VRI_VVV0UU2 +e674 vschp VRR_VVV0U0U +e675 vcrnf VRR_VVV0UU e677 vcp VRR_0VV0U e678 vmp VRI_VVV0UU2 e679 vmsp VRI_VVV0UU2 e67a vdp VRI_VVV0UU2 e67b vrp VRI_VVV0UU2 +e67c vscshp VRR_VVV +e67d vcsph VRR_VVV0U0 e67e vsdp VRI_VVV0UU2 e700 vleb VRX_VRRDU e701 vleh VRX_VRRDU @@ -1081,6 +1098,7 @@ eb61 stric RSY_RDRU eb62 mric RSY_RDRU eb6a asi SIY_IRD eb6e alsi SIY_IRD +eb71 lpswey SIY_URD eb7a agsi SIY_IRD eb7e algsi SIY_IRD eb80 icmh RSY_RURD diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 45a0549421cd..b683b69a4556 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -39,7 +39,6 @@ config SUPERH select HAVE_FUTEX_CMPXCHG if FUTEX select HAVE_FTRACE_MCOUNT_RECORD select HAVE_HW_BREAKPOINT - select HAVE_IDE if HAS_IOPORT_MAP select HAVE_IOREMAP_PROT if MMU && !X2TLB select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c index 1aedbfe32654..f9f3b14f70d5 100644 --- a/arch/sh/boards/mach-se/7343/irq.c +++ b/arch/sh/boards/mach-se/7343/irq.c @@ -38,7 +38,7 @@ static void se7343_irq_demux(struct irq_desc *desc) mask = ioread16(se7343_irq_regs + PA_CPLD_ST_REG); for_each_set_bit(bit, &mask, SE7343_FPGA_IRQ_NR) - generic_handle_irq(irq_linear_revmap(se7343_irq_domain, bit)); + generic_handle_domain_irq(se7343_irq_domain, bit); chip->irq_unmask(data); } diff --git a/arch/sh/boards/mach-se/7722/irq.c b/arch/sh/boards/mach-se/7722/irq.c index 6d34592767f8..efa96edd47dc 100644 --- a/arch/sh/boards/mach-se/7722/irq.c +++ b/arch/sh/boards/mach-se/7722/irq.c @@ -37,7 +37,7 @@ static void se7722_irq_demux(struct irq_desc *desc) mask = ioread16(se7722_irq_regs + IRQ01_STS_REG); for_each_set_bit(bit, &mask, SE7722_FPGA_IRQ_NR) - generic_handle_irq(irq_linear_revmap(se7722_irq_domain, bit)); + generic_handle_domain_irq(se7722_irq_domain, bit); chip->irq_unmask(data); } diff --git a/arch/sh/boards/mach-x3proto/gpio.c b/arch/sh/boards/mach-x3proto/gpio.c index efc992f641a6..f82d3a6a844a 100644 --- a/arch/sh/boards/mach-x3proto/gpio.c +++ b/arch/sh/boards/mach-x3proto/gpio.c @@ -68,7 +68,7 @@ static void x3proto_gpio_irq_handler(struct irq_desc *desc) mask = __raw_readw(KEYDETR); for_each_set_bit(pin, &mask, NR_BASEBOARD_GPIOS) - generic_handle_irq(irq_linear_revmap(x3proto_irq_domain, pin)); + generic_handle_domain_irq(x3proto_irq_domain, pin); chip->irq_unmask(data); } diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index c5fa7932b550..f0c0f955e169 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -19,7 +19,6 @@ config SPARC select OF select OF_PROMTREE select HAVE_ASM_MODVERSIONS - select HAVE_IDE select HAVE_ARCH_KGDB if !SMP || SPARC64 select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_SECCOMP if SPARC64 diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index b85842cda99f..8b63410e830f 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -6,6 +6,9 @@ */ #include <linux/types.h> +#define compat_mode_t compat_mode_t +typedef u16 compat_mode_t; + #include <asm-generic/compat.h> #define COMPAT_USER_HZ 100 @@ -13,13 +16,9 @@ typedef u16 __compat_uid_t; typedef u16 __compat_gid_t; -typedef u32 __compat_uid32_t; -typedef u32 __compat_gid32_t; -typedef u16 compat_mode_t; typedef u16 compat_dev_t; typedef s16 compat_nlink_t; typedef u16 compat_ipc_pid_t; -typedef u32 compat_caddr_t; typedef __kernel_fsid_t compat_fsid_t; struct compat_stat { @@ -115,13 +114,6 @@ struct compat_statfs { #define COMPAT_RLIM_INFINITY 0x7fffffff -typedef u32 compat_old_sigset_t; - -#define _COMPAT_NSIG 64 -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - #define COMPAT_OFF_T_MAX 0x7fffffff #ifdef CONFIG_COMPAT diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h index 92675dc380fa..e80ee8641ac3 100644 --- a/arch/sparc/include/uapi/asm/socket.h +++ b/arch/sparc/include/uapi/asm/socket.h @@ -122,6 +122,8 @@ #define SO_NETNS_COOKIE 0x0050 +#define SO_BUF_LOCK 0x0051 + #if !defined(__KERNEL__) diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index 348a88691219..01122a208f94 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -93,7 +93,7 @@ static int vio_device_probe(struct device *dev) return drv->probe(vdev, id); } -static int vio_device_remove(struct device *dev) +static void vio_device_remove(struct device *dev) { struct vio_dev *vdev = to_vio_dev(dev); struct vio_driver *drv = to_vio_driver(dev->driver); @@ -107,8 +107,6 @@ static int vio_device_remove(struct device *dev) drv->remove(vdev); } - - return 0; } static ssize_t devspec_show(struct device *dev, diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c index 4b8d3c65d266..9a2f20cbd48b 100644 --- a/arch/sparc/net/bpf_jit_comp_64.c +++ b/arch/sparc/net/bpf_jit_comp_64.c @@ -1287,6 +1287,9 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) return 1; break; } + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + break; /* ST: *(size *)(dst + off) = imm */ case BPF_ST | BPF_MEM | BPF_W: case BPF_ST | BPF_MEM | BPF_H: diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index fbc623d2cc07..8febf95da96e 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -538,12 +538,14 @@ int register_lines(struct line_driver *line_driver, const struct tty_operations *ops, struct line *lines, int nlines) { - struct tty_driver *driver = alloc_tty_driver(nlines); + struct tty_driver *driver; int err; int i; - if (!driver) - return -ENOMEM; + driver = tty_alloc_driver(nlines, TTY_DRIVER_REAL_RAW | + TTY_DRIVER_DYNAMIC_DEV); + if (IS_ERR(driver)) + return PTR_ERR(driver); driver->driver_name = line_driver->name; driver->name = line_driver->device_name; @@ -551,9 +553,8 @@ int register_lines(struct line_driver *line_driver, driver->minor_start = line_driver->minor_start; driver->type = line_driver->type; driver->subtype = line_driver->subtype; - driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; driver->init_termios = tty_std_termios; - + for (i = 0; i < nlines; i++) { tty_port_init(&lines[i].port); lines[i].port.ops = &line_port_ops; @@ -567,7 +568,7 @@ int register_lines(struct line_driver *line_driver, if (err) { printk(KERN_ERR "register_lines : can't register %s driver\n", line_driver->name); - put_tty_driver(driver); + tty_driver_kref_put(driver); for (i = 0; i < nlines; i++) tty_port_destroy(&lines[i].port); return err; diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index e497185dd393..cd9dc0556e91 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1268,8 +1268,7 @@ static void ubd_map_req(struct ubd *dev, struct io_thread_req *io_req, rq_for_each_segment(bvec, req, iter) { BUG_ON(i >= io_req->desc_cnt); - io_req->io_desc[i].buffer = - page_address(bvec.bv_page) + bvec.bv_offset; + io_req->io_desc[i].buffer = bvec_virt(&bvec); io_req->io_desc[i].length = bvec.bv_len; i++; } diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c index d27a2a9faf3e..cde6db184c26 100644 --- a/arch/um/drivers/vector_kern.c +++ b/arch/um/drivers/vector_kern.c @@ -1488,7 +1488,9 @@ static void vector_get_ethtool_stats(struct net_device *dev, } static int vector_get_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) + struct ethtool_coalesce *ec, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) { struct vector_private *vp = netdev_priv(netdev); @@ -1497,7 +1499,9 @@ static int vector_get_coalesce(struct net_device *netdev, } static int vector_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) + struct ethtool_coalesce *ec, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) { struct vector_private *vp = netdev_priv(netdev); diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 49270655e827..45962aaf2b2c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -119,6 +119,7 @@ config X86 select ARCH_WANT_HUGE_PMD_SHARE select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WANTS_THP_SWAP if X86_64 + select ARCH_HAS_PARANOID_L1D_FLUSH select BUILDTIME_TABLE_SORT select CLKEVT_I8253 select CLOCKSOURCE_VALIDATE_LAST_CYCLE @@ -202,7 +203,6 @@ config X86 select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT - select HAVE_IDE select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64 select HAVE_IRQ_TIME_ACCOUNTING @@ -2767,32 +2767,6 @@ config AMD_NB def_bool y depends on CPU_SUP_AMD && PCI -config X86_SYSFB - bool "Mark VGA/VBE/EFI FB as generic system framebuffer" - help - Firmwares often provide initial graphics framebuffers so the BIOS, - bootloader or kernel can show basic video-output during boot for - user-guidance and debugging. Historically, x86 used the VESA BIOS - Extensions and EFI-framebuffers for this, which are mostly limited - to x86. - This option, if enabled, marks VGA/VBE/EFI framebuffers as generic - framebuffers so the new generic system-framebuffer drivers can be - used on x86. If the framebuffer is not compatible with the generic - modes, it is advertised as fallback platform framebuffer so legacy - drivers like efifb, vesafb and uvesafb can pick it up. - If this option is not selected, all system framebuffers are always - marked as fallback platform framebuffers as usual. - - Note: Legacy fbdev drivers, including vesafb, efifb, uvesafb, will - not be able to pick up generic system framebuffers if this option - is selected. You are highly encouraged to enable simplefb as - replacement if you select this option. simplefb can correctly deal - with generic system framebuffers. But you should still keep vesafb - and others enabled as fallback if a system framebuffer is - incompatible with simplefb. - - If unsure, say Y. - endmenu diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 307fd0000a83..d82d01490dd3 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -31,8 +31,8 @@ REALMODE_CFLAGS := -m16 -g -Os -DDISABLE_BRANCH_PROFILING \ REALMODE_CFLAGS += -ffreestanding REALMODE_CFLAGS += -fno-stack-protector -REALMODE_CFLAGS += $(call __cc-option, $(CC), $(REALMODE_CFLAGS), -Wno-address-of-packed-member) -REALMODE_CFLAGS += $(call __cc-option, $(CC), $(REALMODE_CFLAGS), $(cc_stack_align4)) +REALMODE_CFLAGS += -Wno-address-of-packed-member +REALMODE_CFLAGS += $(cc_stack_align4) REALMODE_CFLAGS += $(CLANG_FLAGS) export REALMODE_CFLAGS @@ -48,8 +48,7 @@ export BITS # # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53383 # -KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -KBUILD_CFLAGS += $(call cc-option,-mno-avx,) +KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx # Intel CET isn't enabled in the kernel KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none) @@ -59,9 +58,8 @@ ifeq ($(CONFIG_X86_32),y) UTS_MACHINE := i386 CHECKFLAGS += -D__i386__ - biarch := $(call cc-option,-m32) - KBUILD_AFLAGS += $(biarch) - KBUILD_CFLAGS += $(biarch) + KBUILD_AFLAGS += -m32 + KBUILD_CFLAGS += -m32 KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return @@ -72,7 +70,7 @@ ifeq ($(CONFIG_X86_32),y) # Align the stack to the register width instead of using the default # alignment of 16 bytes. This reduces stack usage and the number of # alignment instructions. - KBUILD_CFLAGS += $(call cc-option,$(cc_stack_align4)) + KBUILD_CFLAGS += $(cc_stack_align4) # CPU-specific tuning. Anything which can be shared with UML should go here. include arch/x86/Makefile_32.cpu @@ -93,7 +91,6 @@ else UTS_MACHINE := x86_64 CHECKFLAGS += -D__x86_64__ - biarch := -m64 KBUILD_AFLAGS += -m64 KBUILD_CFLAGS += -m64 @@ -104,7 +101,7 @@ else KBUILD_CFLAGS += $(call cc-option,-falign-loops=1) # Don't autogenerate traditional x87 instructions - KBUILD_CFLAGS += $(call cc-option,-mno-80387) + KBUILD_CFLAGS += -mno-80387 KBUILD_CFLAGS += $(call cc-option,-mno-fp-ret-in-387) # By default gcc and clang use a stack alignment of 16 bytes for x86. @@ -114,20 +111,17 @@ else # default alignment which keep the stack *mis*aligned. # Furthermore an alignment to the register width reduces stack usage # and the number of alignment instructions. - KBUILD_CFLAGS += $(call cc-option,$(cc_stack_align8)) + KBUILD_CFLAGS += $(cc_stack_align8) # Use -mskip-rax-setup if supported. KBUILD_CFLAGS += $(call cc-option,-mskip-rax-setup) # FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu) - cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) - cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) - - cflags-$(CONFIG_MCORE2) += \ - $(call cc-option,-march=core2,$(call cc-option,-mtune=generic)) - cflags-$(CONFIG_MATOM) += $(call cc-option,-march=atom) \ - $(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic)) - cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic) + cflags-$(CONFIG_MK8) += -march=k8 + cflags-$(CONFIG_MPSC) += -march=nocona + cflags-$(CONFIG_MCORE2) += -march=core2 + cflags-$(CONFIG_MATOM) += -march=atom + cflags-$(CONFIG_GENERIC_CPU) += -mtune=generic KBUILD_CFLAGS += $(cflags-y) KBUILD_CFLAGS += -mno-red-zone @@ -158,18 +152,6 @@ export CONFIG_X86_X32_ABI ifdef CONFIG_FUNCTION_GRAPH_TRACER ifndef CONFIG_HAVE_FENTRY ACCUMULATE_OUTGOING_ARGS := 1 - else - ifeq ($(call cc-option-yn, -mfentry), n) - ACCUMULATE_OUTGOING_ARGS := 1 - - # GCC ignores '-maccumulate-outgoing-args' when used with '-Os'. - # If '-Os' is enabled, disable it and print a warning. - ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE - undefine CONFIG_CC_OPTIMIZE_FOR_SIZE - $(warning Disabling CONFIG_CC_OPTIMIZE_FOR_SIZE. Your compiler does not have -mfentry so you cannot optimize for size with CONFIG_FUNCTION_GRAPH_TRACER.) - endif - - endif endif endif @@ -193,7 +175,7 @@ ifdef CONFIG_RETPOLINE # only been fixed starting from gcc stable version 8.4.0 and # onwards, but not for older ones. See gcc bug #86952. ifndef CONFIG_CC_IS_CLANG - KBUILD_CFLAGS += $(call cc-option,-fno-jump-tables) + KBUILD_CFLAGS += -fno-jump-tables endif endif @@ -275,9 +257,10 @@ endif $(BOOT_TARGETS): vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ -PHONY += install bzlilo -install bzlilo: - $(Q)$(MAKE) $(build)=$(boot) $@ +PHONY += install +install: + $(CONFIG_SHELL) $(srctree)/$(boot)/install.sh $(KERNELRELEASE) \ + $(KBUILD_IMAGE) System.map "$(INSTALL_PATH)" PHONY += vdso_install vdso_install: diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index dfbc26a8e924..b5aecb524a8a 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -133,7 +133,7 @@ quiet_cmd_genimage = GENIMAGE $3 cmd_genimage = $(BASH) $(srctree)/$(src)/genimage.sh $2 $3 $(obj)/bzImage \ $(obj)/mtools.conf '$(FDARGS)' $(FDINITRD) -PHONY += bzdisk fdimage fdimage144 fdimage288 hdimage isoimage install +PHONY += bzdisk fdimage fdimage144 fdimage288 hdimage isoimage # This requires write access to /dev/fd0 # All images require syslinux to be installed; hdimage also requires @@ -156,8 +156,3 @@ hdimage: $(imgdeps) isoimage: $(imgdeps) $(call cmd,genimage,isoimage,$(obj)/image.iso) @$(kecho) 'Kernel: $(obj)/image.iso is ready' - -install: - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh \ - $(KERNELRELEASE) $(obj)/bzImage \ - System.map "$(INSTALL_PATH)" diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S index 95a223b3e56a..8bb92e9f4e97 100644 --- a/arch/x86/boot/compressed/efi_thunk_64.S +++ b/arch/x86/boot/compressed/efi_thunk_64.S @@ -5,9 +5,8 @@ * Early support for invoking 32-bit EFI services from a 64-bit kernel. * * Because this thunking occurs before ExitBootServices() we have to - * restore the firmware's 32-bit GDT before we make EFI service calls, - * since the firmware's 32-bit IDT is still currently installed and it - * needs to be able to service interrupts. + * restore the firmware's 32-bit GDT and IDT before we make EFI service + * calls. * * On the plus side, we don't have to worry about mangling 64-bit * addresses into 32-bits because we're executing with an identity @@ -39,7 +38,7 @@ SYM_FUNC_START(__efi64_thunk) /* * Convert x86-64 ABI params to i386 ABI */ - subq $32, %rsp + subq $64, %rsp movl %esi, 0x0(%rsp) movl %edx, 0x4(%rsp) movl %ecx, 0x8(%rsp) @@ -49,14 +48,19 @@ SYM_FUNC_START(__efi64_thunk) leaq 0x14(%rsp), %rbx sgdt (%rbx) + addq $16, %rbx + sidt (%rbx) + /* - * Switch to gdt with 32-bit segments. This is the firmware GDT - * that was installed when the kernel started executing. This - * pointer was saved at the EFI stub entry point in head_64.S. + * Switch to IDT and GDT with 32-bit segments. This is the firmware GDT + * and IDT that was installed when the kernel started executing. The + * pointers were saved at the EFI stub entry point in head_64.S. * * Pass the saved DS selector to the 32-bit code, and use far return to * restore the saved CS selector. */ + leaq efi32_boot_idt(%rip), %rax + lidt (%rax) leaq efi32_boot_gdt(%rip), %rax lgdt (%rax) @@ -67,7 +71,7 @@ SYM_FUNC_START(__efi64_thunk) pushq %rax lretq -1: addq $32, %rsp +1: addq $64, %rsp movq %rdi, %rax pop %rbx @@ -128,10 +132,13 @@ SYM_FUNC_START_LOCAL(efi_enter32) /* * Some firmware will return with interrupts enabled. Be sure to - * disable them before we switch GDTs. + * disable them before we switch GDTs and IDTs. */ cli + lidtl (%ebx) + subl $16, %ebx + lgdtl (%ebx) movl %cr4, %eax @@ -166,6 +173,11 @@ SYM_DATA_START(efi32_boot_gdt) .quad 0 SYM_DATA_END(efi32_boot_gdt) +SYM_DATA_START(efi32_boot_idt) + .word 0 + .quad 0 +SYM_DATA_END(efi32_boot_idt) + SYM_DATA_START(efi32_boot_cs) .word 0 SYM_DATA_END(efi32_boot_cs) diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index a2347ded77ea..572c535cf45b 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -319,6 +319,9 @@ SYM_INNER_LABEL(efi32_pe_stub_entry, SYM_L_LOCAL) movw %cs, rva(efi32_boot_cs)(%ebp) movw %ds, rva(efi32_boot_ds)(%ebp) + /* Store firmware IDT descriptor */ + sidtl rva(efi32_boot_idt)(%ebp) + /* Disable paging */ movl %cr0, %eax btrl $X86_CR0_PG_BIT, %eax diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index e36690778497..67c3208b668a 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -668,7 +668,7 @@ static bool process_mem_region(struct mem_vector *region, if (slot_area_index == MAX_SLOT_AREA) { debug_putstr("Aborted e820/efi memmap scan when walking immovable regions(slot_areas full)!\n"); - return 1; + return true; } } #endif diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile index d0959e7b809f..f307c93fc90a 100644 --- a/arch/x86/crypto/Makefile +++ b/arch/x86/crypto/Makefile @@ -88,6 +88,12 @@ nhpoly1305-avx2-y := nh-avx2-x86_64.o nhpoly1305-avx2-glue.o obj-$(CONFIG_CRYPTO_CURVE25519_X86) += curve25519-x86_64.o +obj-$(CONFIG_CRYPTO_SM4_AESNI_AVX_X86_64) += sm4-aesni-avx-x86_64.o +sm4-aesni-avx-x86_64-y := sm4-aesni-avx-asm_64.o sm4_aesni_avx_glue.o + +obj-$(CONFIG_CRYPTO_SM4_AESNI_AVX2_X86_64) += sm4-aesni-avx2-x86_64.o +sm4-aesni-avx2-x86_64-y := sm4-aesni-avx2-asm_64.o sm4_aesni_avx2_glue.o + quiet_cmd_perlasm = PERLASM $@ cmd_perlasm = $(PERL) $< > $@ $(obj)/%.S: $(src)/%.pl FORCE diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 2144e54a6c89..0fc961bef299 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -849,6 +849,8 @@ static int xts_crypt(struct skcipher_request *req, bool encrypt) return -EINVAL; err = skcipher_walk_virt(&walk, req, false); + if (!walk.nbytes) + return err; if (unlikely(tail > 0 && walk.nbytes < walk.total)) { int blocks = DIV_ROUND_UP(req->cryptlen, AES_BLOCK_SIZE) - 2; @@ -862,7 +864,10 @@ static int xts_crypt(struct skcipher_request *req, bool encrypt) skcipher_request_set_crypt(&subreq, req->src, req->dst, blocks * AES_BLOCK_SIZE, req->iv); req = &subreq; + err = skcipher_walk_virt(&walk, req, false); + if (err) + return err; } else { tail = 0; } diff --git a/arch/x86/crypto/sm4-aesni-avx-asm_64.S b/arch/x86/crypto/sm4-aesni-avx-asm_64.S new file mode 100644 index 000000000000..fa2c3f50aecb --- /dev/null +++ b/arch/x86/crypto/sm4-aesni-avx-asm_64.S @@ -0,0 +1,589 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * SM4 Cipher Algorithm, AES-NI/AVX optimized. + * as specified in + * https://tools.ietf.org/id/draft-ribose-cfrg-sm4-10.html + * + * Copyright (C) 2018 Markku-Juhani O. Saarinen <mjos@iki.fi> + * Copyright (C) 2020 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * Copyright (c) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com> + */ + +/* Based on SM4 AES-NI work by libgcrypt and Markku-Juhani O. Saarinen at: + * https://github.com/mjosaarinen/sm4ni + */ + +#include <linux/linkage.h> +#include <asm/frame.h> + +#define rRIP (%rip) + +#define RX0 %xmm0 +#define RX1 %xmm1 +#define MASK_4BIT %xmm2 +#define RTMP0 %xmm3 +#define RTMP1 %xmm4 +#define RTMP2 %xmm5 +#define RTMP3 %xmm6 +#define RTMP4 %xmm7 + +#define RA0 %xmm8 +#define RA1 %xmm9 +#define RA2 %xmm10 +#define RA3 %xmm11 + +#define RB0 %xmm12 +#define RB1 %xmm13 +#define RB2 %xmm14 +#define RB3 %xmm15 + +#define RNOT %xmm0 +#define RBSWAP %xmm1 + + +/* Transpose four 32-bit words between 128-bit vectors. */ +#define transpose_4x4(x0, x1, x2, x3, t1, t2) \ + vpunpckhdq x1, x0, t2; \ + vpunpckldq x1, x0, x0; \ + \ + vpunpckldq x3, x2, t1; \ + vpunpckhdq x3, x2, x2; \ + \ + vpunpckhqdq t1, x0, x1; \ + vpunpcklqdq t1, x0, x0; \ + \ + vpunpckhqdq x2, t2, x3; \ + vpunpcklqdq x2, t2, x2; + +/* pre-SubByte transform. */ +#define transform_pre(x, lo_t, hi_t, mask4bit, tmp0) \ + vpand x, mask4bit, tmp0; \ + vpandn x, mask4bit, x; \ + vpsrld $4, x, x; \ + \ + vpshufb tmp0, lo_t, tmp0; \ + vpshufb x, hi_t, x; \ + vpxor tmp0, x, x; + +/* post-SubByte transform. Note: x has been XOR'ed with mask4bit by + * 'vaeslastenc' instruction. + */ +#define transform_post(x, lo_t, hi_t, mask4bit, tmp0) \ + vpandn mask4bit, x, tmp0; \ + vpsrld $4, x, x; \ + vpand x, mask4bit, x; \ + \ + vpshufb tmp0, lo_t, tmp0; \ + vpshufb x, hi_t, x; \ + vpxor tmp0, x, x; + + +.section .rodata.cst164, "aM", @progbits, 164 +.align 16 + +/* + * Following four affine transform look-up tables are from work by + * Markku-Juhani O. Saarinen, at https://github.com/mjosaarinen/sm4ni + * + * These allow exposing SM4 S-Box from AES SubByte. + */ + +/* pre-SubByte affine transform, from SM4 field to AES field. */ +.Lpre_tf_lo_s: + .quad 0x9197E2E474720701, 0xC7C1B4B222245157 +.Lpre_tf_hi_s: + .quad 0xE240AB09EB49A200, 0xF052B91BF95BB012 + +/* post-SubByte affine transform, from AES field to SM4 field. */ +.Lpost_tf_lo_s: + .quad 0x5B67F2CEA19D0834, 0xEDD14478172BBE82 +.Lpost_tf_hi_s: + .quad 0xAE7201DD73AFDC00, 0x11CDBE62CC1063BF + +/* For isolating SubBytes from AESENCLAST, inverse shift row */ +.Linv_shift_row: + .byte 0x00, 0x0d, 0x0a, 0x07, 0x04, 0x01, 0x0e, 0x0b + .byte 0x08, 0x05, 0x02, 0x0f, 0x0c, 0x09, 0x06, 0x03 + +/* Inverse shift row + Rotate left by 8 bits on 32-bit words with vpshufb */ +.Linv_shift_row_rol_8: + .byte 0x07, 0x00, 0x0d, 0x0a, 0x0b, 0x04, 0x01, 0x0e + .byte 0x0f, 0x08, 0x05, 0x02, 0x03, 0x0c, 0x09, 0x06 + +/* Inverse shift row + Rotate left by 16 bits on 32-bit words with vpshufb */ +.Linv_shift_row_rol_16: + .byte 0x0a, 0x07, 0x00, 0x0d, 0x0e, 0x0b, 0x04, 0x01 + .byte 0x02, 0x0f, 0x08, 0x05, 0x06, 0x03, 0x0c, 0x09 + +/* Inverse shift row + Rotate left by 24 bits on 32-bit words with vpshufb */ +.Linv_shift_row_rol_24: + .byte 0x0d, 0x0a, 0x07, 0x00, 0x01, 0x0e, 0x0b, 0x04 + .byte 0x05, 0x02, 0x0f, 0x08, 0x09, 0x06, 0x03, 0x0c + +/* For CTR-mode IV byteswap */ +.Lbswap128_mask: + .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 + +/* For input word byte-swap */ +.Lbswap32_mask: + .byte 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 + +.align 4 +/* 4-bit mask */ +.L0f0f0f0f: + .long 0x0f0f0f0f + + +.text +.align 16 + +/* + * void sm4_aesni_avx_crypt4(const u32 *rk, u8 *dst, + * const u8 *src, int nblocks) + */ +.align 8 +SYM_FUNC_START(sm4_aesni_avx_crypt4) + /* input: + * %rdi: round key array, CTX + * %rsi: dst (1..4 blocks) + * %rdx: src (1..4 blocks) + * %rcx: num blocks (1..4) + */ + FRAME_BEGIN + + vmovdqu 0*16(%rdx), RA0; + vmovdqa RA0, RA1; + vmovdqa RA0, RA2; + vmovdqa RA0, RA3; + cmpq $2, %rcx; + jb .Lblk4_load_input_done; + vmovdqu 1*16(%rdx), RA1; + je .Lblk4_load_input_done; + vmovdqu 2*16(%rdx), RA2; + cmpq $3, %rcx; + je .Lblk4_load_input_done; + vmovdqu 3*16(%rdx), RA3; + +.Lblk4_load_input_done: + + vmovdqa .Lbswap32_mask rRIP, RTMP2; + vpshufb RTMP2, RA0, RA0; + vpshufb RTMP2, RA1, RA1; + vpshufb RTMP2, RA2, RA2; + vpshufb RTMP2, RA3, RA3; + + vbroadcastss .L0f0f0f0f rRIP, MASK_4BIT; + vmovdqa .Lpre_tf_lo_s rRIP, RTMP4; + vmovdqa .Lpre_tf_hi_s rRIP, RB0; + vmovdqa .Lpost_tf_lo_s rRIP, RB1; + vmovdqa .Lpost_tf_hi_s rRIP, RB2; + vmovdqa .Linv_shift_row rRIP, RB3; + vmovdqa .Linv_shift_row_rol_8 rRIP, RTMP2; + vmovdqa .Linv_shift_row_rol_16 rRIP, RTMP3; + transpose_4x4(RA0, RA1, RA2, RA3, RTMP0, RTMP1); + +#define ROUND(round, s0, s1, s2, s3) \ + vbroadcastss (4*(round))(%rdi), RX0; \ + vpxor s1, RX0, RX0; \ + vpxor s2, RX0, RX0; \ + vpxor s3, RX0, RX0; /* s1 ^ s2 ^ s3 ^ rk */ \ + \ + /* sbox, non-linear part */ \ + transform_pre(RX0, RTMP4, RB0, MASK_4BIT, RTMP0); \ + vaesenclast MASK_4BIT, RX0, RX0; \ + transform_post(RX0, RB1, RB2, MASK_4BIT, RTMP0); \ + \ + /* linear part */ \ + vpshufb RB3, RX0, RTMP0; \ + vpxor RTMP0, s0, s0; /* s0 ^ x */ \ + vpshufb RTMP2, RX0, RTMP1; \ + vpxor RTMP1, RTMP0, RTMP0; /* x ^ rol(x,8) */ \ + vpshufb RTMP3, RX0, RTMP1; \ + vpxor RTMP1, RTMP0, RTMP0; /* x ^ rol(x,8) ^ rol(x,16) */ \ + vpshufb .Linv_shift_row_rol_24 rRIP, RX0, RTMP1; \ + vpxor RTMP1, s0, s0; /* s0 ^ x ^ rol(x,24) */ \ + vpslld $2, RTMP0, RTMP1; \ + vpsrld $30, RTMP0, RTMP0; \ + vpxor RTMP0, s0, s0; \ + /* s0 ^ x ^ rol(x,2) ^ rol(x,10) ^ rol(x,18) ^ rol(x,24) */ \ + vpxor RTMP1, s0, s0; + + leaq (32*4)(%rdi), %rax; +.align 16 +.Lroundloop_blk4: + ROUND(0, RA0, RA1, RA2, RA3); + ROUND(1, RA1, RA2, RA3, RA0); + ROUND(2, RA2, RA3, RA0, RA1); + ROUND(3, RA3, RA0, RA1, RA2); + leaq (4*4)(%rdi), %rdi; + cmpq %rax, %rdi; + jne .Lroundloop_blk4; + +#undef ROUND + + vmovdqa .Lbswap128_mask rRIP, RTMP2; + + transpose_4x4(RA0, RA1, RA2, RA3, RTMP0, RTMP1); + vpshufb RTMP2, RA0, RA0; + vpshufb RTMP2, RA1, RA1; + vpshufb RTMP2, RA2, RA2; + vpshufb RTMP2, RA3, RA3; + + vmovdqu RA0, 0*16(%rsi); + cmpq $2, %rcx; + jb .Lblk4_store_output_done; + vmovdqu RA1, 1*16(%rsi); + je .Lblk4_store_output_done; + vmovdqu RA2, 2*16(%rsi); + cmpq $3, %rcx; + je .Lblk4_store_output_done; + vmovdqu RA3, 3*16(%rsi); + +.Lblk4_store_output_done: + vzeroall; + FRAME_END + ret; +SYM_FUNC_END(sm4_aesni_avx_crypt4) + +.align 8 +SYM_FUNC_START_LOCAL(__sm4_crypt_blk8) + /* input: + * %rdi: round key array, CTX + * RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3: eight parallel + * plaintext blocks + * output: + * RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3: eight parallel + * ciphertext blocks + */ + FRAME_BEGIN + + vmovdqa .Lbswap32_mask rRIP, RTMP2; + vpshufb RTMP2, RA0, RA0; + vpshufb RTMP2, RA1, RA1; + vpshufb RTMP2, RA2, RA2; + vpshufb RTMP2, RA3, RA3; + vpshufb RTMP2, RB0, RB0; + vpshufb RTMP2, RB1, RB1; + vpshufb RTMP2, RB2, RB2; + vpshufb RTMP2, RB3, RB3; + + vbroadcastss .L0f0f0f0f rRIP, MASK_4BIT; + transpose_4x4(RA0, RA1, RA2, RA3, RTMP0, RTMP1); + transpose_4x4(RB0, RB1, RB2, RB3, RTMP0, RTMP1); + +#define ROUND(round, s0, s1, s2, s3, r0, r1, r2, r3) \ + vbroadcastss (4*(round))(%rdi), RX0; \ + vmovdqa .Lpre_tf_lo_s rRIP, RTMP4; \ + vmovdqa .Lpre_tf_hi_s rRIP, RTMP1; \ + vmovdqa RX0, RX1; \ + vpxor s1, RX0, RX0; \ + vpxor s2, RX0, RX0; \ + vpxor s3, RX0, RX0; /* s1 ^ s2 ^ s3 ^ rk */ \ + vmovdqa .Lpost_tf_lo_s rRIP, RTMP2; \ + vmovdqa .Lpost_tf_hi_s rRIP, RTMP3; \ + vpxor r1, RX1, RX1; \ + vpxor r2, RX1, RX1; \ + vpxor r3, RX1, RX1; /* r1 ^ r2 ^ r3 ^ rk */ \ + \ + /* sbox, non-linear part */ \ + transform_pre(RX0, RTMP4, RTMP1, MASK_4BIT, RTMP0); \ + transform_pre(RX1, RTMP4, RTMP1, MASK_4BIT, RTMP0); \ + vmovdqa .Linv_shift_row rRIP, RTMP4; \ + vaesenclast MASK_4BIT, RX0, RX0; \ + vaesenclast MASK_4BIT, RX1, RX1; \ + transform_post(RX0, RTMP2, RTMP3, MASK_4BIT, RTMP0); \ + transform_post(RX1, RTMP2, RTMP3, MASK_4BIT, RTMP0); \ + \ + /* linear part */ \ + vpshufb RTMP4, RX0, RTMP0; \ + vpxor RTMP0, s0, s0; /* s0 ^ x */ \ + vpshufb RTMP4, RX1, RTMP2; \ + vmovdqa .Linv_shift_row_rol_8 rRIP, RTMP4; \ + vpxor RTMP2, r0, r0; /* r0 ^ x */ \ + vpshufb RTMP4, RX0, RTMP1; \ + vpxor RTMP1, RTMP0, RTMP0; /* x ^ rol(x,8) */ \ + vpshufb RTMP4, RX1, RTMP3; \ + vmovdqa .Linv_shift_row_rol_16 rRIP, RTMP4; \ + vpxor RTMP3, RTMP2, RTMP2; /* x ^ rol(x,8) */ \ + vpshufb RTMP4, RX0, RTMP1; \ + vpxor RTMP1, RTMP0, RTMP0; /* x ^ rol(x,8) ^ rol(x,16) */ \ + vpshufb RTMP4, RX1, RTMP3; \ + vmovdqa .Linv_shift_row_rol_24 rRIP, RTMP4; \ + vpxor RTMP3, RTMP2, RTMP2; /* x ^ rol(x,8) ^ rol(x,16) */ \ + vpshufb RTMP4, RX0, RTMP1; \ + vpxor RTMP1, s0, s0; /* s0 ^ x ^ rol(x,24) */ \ + /* s0 ^ x ^ rol(x,2) ^ rol(x,10) ^ rol(x,18) ^ rol(x,24) */ \ + vpslld $2, RTMP0, RTMP1; \ + vpsrld $30, RTMP0, RTMP0; \ + vpxor RTMP0, s0, s0; \ + vpxor RTMP1, s0, s0; \ + vpshufb RTMP4, RX1, RTMP3; \ + vpxor RTMP3, r0, r0; /* r0 ^ x ^ rol(x,24) */ \ + /* r0 ^ x ^ rol(x,2) ^ rol(x,10) ^ rol(x,18) ^ rol(x,24) */ \ + vpslld $2, RTMP2, RTMP3; \ + vpsrld $30, RTMP2, RTMP2; \ + vpxor RTMP2, r0, r0; \ + vpxor RTMP3, r0, r0; + + leaq (32*4)(%rdi), %rax; +.align 16 +.Lroundloop_blk8: + ROUND(0, RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3); + ROUND(1, RA1, RA2, RA3, RA0, RB1, RB2, RB3, RB0); + ROUND(2, RA2, RA3, RA0, RA1, RB2, RB3, RB0, RB1); + ROUND(3, RA3, RA0, RA1, RA2, RB3, RB0, RB1, RB2); + leaq (4*4)(%rdi), %rdi; + cmpq %rax, %rdi; + jne .Lroundloop_blk8; + +#undef ROUND + + vmovdqa .Lbswap128_mask rRIP, RTMP2; + + transpose_4x4(RA0, RA1, RA2, RA3, RTMP0, RTMP1); + transpose_4x4(RB0, RB1, RB2, RB3, RTMP0, RTMP1); + vpshufb RTMP2, RA0, RA0; + vpshufb RTMP2, RA1, RA1; + vpshufb RTMP2, RA2, RA2; + vpshufb RTMP2, RA3, RA3; + vpshufb RTMP2, RB0, RB0; + vpshufb RTMP2, RB1, RB1; + vpshufb RTMP2, RB2, RB2; + vpshufb RTMP2, RB3, RB3; + + FRAME_END + ret; +SYM_FUNC_END(__sm4_crypt_blk8) + +/* + * void sm4_aesni_avx_crypt8(const u32 *rk, u8 *dst, + * const u8 *src, int nblocks) + */ +.align 8 +SYM_FUNC_START(sm4_aesni_avx_crypt8) + /* input: + * %rdi: round key array, CTX + * %rsi: dst (1..8 blocks) + * %rdx: src (1..8 blocks) + * %rcx: num blocks (1..8) + */ + FRAME_BEGIN + + cmpq $5, %rcx; + jb sm4_aesni_avx_crypt4; + vmovdqu (0 * 16)(%rdx), RA0; + vmovdqu (1 * 16)(%rdx), RA1; + vmovdqu (2 * 16)(%rdx), RA2; + vmovdqu (3 * 16)(%rdx), RA3; + vmovdqu (4 * 16)(%rdx), RB0; + vmovdqa RB0, RB1; + vmovdqa RB0, RB2; + vmovdqa RB0, RB3; + je .Lblk8_load_input_done; + vmovdqu (5 * 16)(%rdx), RB1; + cmpq $7, %rcx; + jb .Lblk8_load_input_done; + vmovdqu (6 * 16)(%rdx), RB2; + je .Lblk8_load_input_done; + vmovdqu (7 * 16)(%rdx), RB3; + +.Lblk8_load_input_done: + call __sm4_crypt_blk8; + + cmpq $6, %rcx; + vmovdqu RA0, (0 * 16)(%rsi); + vmovdqu RA1, (1 * 16)(%rsi); + vmovdqu RA2, (2 * 16)(%rsi); + vmovdqu RA3, (3 * 16)(%rsi); + vmovdqu RB0, (4 * 16)(%rsi); + jb .Lblk8_store_output_done; + vmovdqu RB1, (5 * 16)(%rsi); + je .Lblk8_store_output_done; + vmovdqu RB2, (6 * 16)(%rsi); + cmpq $7, %rcx; + je .Lblk8_store_output_done; + vmovdqu RB3, (7 * 16)(%rsi); + +.Lblk8_store_output_done: + vzeroall; + FRAME_END + ret; +SYM_FUNC_END(sm4_aesni_avx_crypt8) + +/* + * void sm4_aesni_avx_ctr_enc_blk8(const u32 *rk, u8 *dst, + * const u8 *src, u8 *iv) + */ +.align 8 +SYM_FUNC_START(sm4_aesni_avx_ctr_enc_blk8) + /* input: + * %rdi: round key array, CTX + * %rsi: dst (8 blocks) + * %rdx: src (8 blocks) + * %rcx: iv (big endian, 128bit) + */ + FRAME_BEGIN + + /* load IV and byteswap */ + vmovdqu (%rcx), RA0; + + vmovdqa .Lbswap128_mask rRIP, RBSWAP; + vpshufb RBSWAP, RA0, RTMP0; /* be => le */ + + vpcmpeqd RNOT, RNOT, RNOT; + vpsrldq $8, RNOT, RNOT; /* low: -1, high: 0 */ + +#define inc_le128(x, minus_one, tmp) \ + vpcmpeqq minus_one, x, tmp; \ + vpsubq minus_one, x, x; \ + vpslldq $8, tmp, tmp; \ + vpsubq tmp, x, x; + + /* construct IVs */ + inc_le128(RTMP0, RNOT, RTMP2); /* +1 */ + vpshufb RBSWAP, RTMP0, RA1; + inc_le128(RTMP0, RNOT, RTMP2); /* +2 */ + vpshufb RBSWAP, RTMP0, RA2; + inc_le128(RTMP0, RNOT, RTMP2); /* +3 */ + vpshufb RBSWAP, RTMP0, RA3; + inc_le128(RTMP0, RNOT, RTMP2); /* +4 */ + vpshufb RBSWAP, RTMP0, RB0; + inc_le128(RTMP0, RNOT, RTMP2); /* +5 */ + vpshufb RBSWAP, RTMP0, RB1; + inc_le128(RTMP0, RNOT, RTMP2); /* +6 */ + vpshufb RBSWAP, RTMP0, RB2; + inc_le128(RTMP0, RNOT, RTMP2); /* +7 */ + vpshufb RBSWAP, RTMP0, RB3; + inc_le128(RTMP0, RNOT, RTMP2); /* +8 */ + vpshufb RBSWAP, RTMP0, RTMP1; + + /* store new IV */ + vmovdqu RTMP1, (%rcx); + + call __sm4_crypt_blk8; + + vpxor (0 * 16)(%rdx), RA0, RA0; + vpxor (1 * 16)(%rdx), RA1, RA1; + vpxor (2 * 16)(%rdx), RA2, RA2; + vpxor (3 * 16)(%rdx), RA3, RA3; + vpxor (4 * 16)(%rdx), RB0, RB0; + vpxor (5 * 16)(%rdx), RB1, RB1; + vpxor (6 * 16)(%rdx), RB2, RB2; + vpxor (7 * 16)(%rdx), RB3, RB3; + + vmovdqu RA0, (0 * 16)(%rsi); + vmovdqu RA1, (1 * 16)(%rsi); + vmovdqu RA2, (2 * 16)(%rsi); + vmovdqu RA3, (3 * 16)(%rsi); + vmovdqu RB0, (4 * 16)(%rsi); + vmovdqu RB1, (5 * 16)(%rsi); + vmovdqu RB2, (6 * 16)(%rsi); + vmovdqu RB3, (7 * 16)(%rsi); + + vzeroall; + FRAME_END + ret; +SYM_FUNC_END(sm4_aesni_avx_ctr_enc_blk8) + +/* + * void sm4_aesni_avx_cbc_dec_blk8(const u32 *rk, u8 *dst, + * const u8 *src, u8 *iv) + */ +.align 8 +SYM_FUNC_START(sm4_aesni_avx_cbc_dec_blk8) + /* input: + * %rdi: round key array, CTX + * %rsi: dst (8 blocks) + * %rdx: src (8 blocks) + * %rcx: iv + */ + FRAME_BEGIN + + vmovdqu (0 * 16)(%rdx), RA0; + vmovdqu (1 * 16)(%rdx), RA1; + vmovdqu (2 * 16)(%rdx), RA2; + vmovdqu (3 * 16)(%rdx), RA3; + vmovdqu (4 * 16)(%rdx), RB0; + vmovdqu (5 * 16)(%rdx), RB1; + vmovdqu (6 * 16)(%rdx), RB2; + vmovdqu (7 * 16)(%rdx), RB3; + + call __sm4_crypt_blk8; + + vmovdqu (7 * 16)(%rdx), RNOT; + vpxor (%rcx), RA0, RA0; + vpxor (0 * 16)(%rdx), RA1, RA1; + vpxor (1 * 16)(%rdx), RA2, RA2; + vpxor (2 * 16)(%rdx), RA3, RA3; + vpxor (3 * 16)(%rdx), RB0, RB0; + vpxor (4 * 16)(%rdx), RB1, RB1; + vpxor (5 * 16)(%rdx), RB2, RB2; + vpxor (6 * 16)(%rdx), RB3, RB3; + vmovdqu RNOT, (%rcx); /* store new IV */ + + vmovdqu RA0, (0 * 16)(%rsi); + vmovdqu RA1, (1 * 16)(%rsi); + vmovdqu RA2, (2 * 16)(%rsi); + vmovdqu RA3, (3 * 16)(%rsi); + vmovdqu RB0, (4 * 16)(%rsi); + vmovdqu RB1, (5 * 16)(%rsi); + vmovdqu RB2, (6 * 16)(%rsi); + vmovdqu RB3, (7 * 16)(%rsi); + + vzeroall; + FRAME_END + ret; +SYM_FUNC_END(sm4_aesni_avx_cbc_dec_blk8) + +/* + * void sm4_aesni_avx_cfb_dec_blk8(const u32 *rk, u8 *dst, + * const u8 *src, u8 *iv) + */ +.align 8 +SYM_FUNC_START(sm4_aesni_avx_cfb_dec_blk8) + /* input: + * %rdi: round key array, CTX + * %rsi: dst (8 blocks) + * %rdx: src (8 blocks) + * %rcx: iv + */ + FRAME_BEGIN + + /* Load input */ + vmovdqu (%rcx), RA0; + vmovdqu 0 * 16(%rdx), RA1; + vmovdqu 1 * 16(%rdx), RA2; + vmovdqu 2 * 16(%rdx), RA3; + vmovdqu 3 * 16(%rdx), RB0; + vmovdqu 4 * 16(%rdx), RB1; + vmovdqu 5 * 16(%rdx), RB2; + vmovdqu 6 * 16(%rdx), RB3; + + /* Update IV */ + vmovdqu 7 * 16(%rdx), RNOT; + vmovdqu RNOT, (%rcx); + + call __sm4_crypt_blk8; + + vpxor (0 * 16)(%rdx), RA0, RA0; + vpxor (1 * 16)(%rdx), RA1, RA1; + vpxor (2 * 16)(%rdx), RA2, RA2; + vpxor (3 * 16)(%rdx), RA3, RA3; + vpxor (4 * 16)(%rdx), RB0, RB0; + vpxor (5 * 16)(%rdx), RB1, RB1; + vpxor (6 * 16)(%rdx), RB2, RB2; + vpxor (7 * 16)(%rdx), RB3, RB3; + + vmovdqu RA0, (0 * 16)(%rsi); + vmovdqu RA1, (1 * 16)(%rsi); + vmovdqu RA2, (2 * 16)(%rsi); + vmovdqu RA3, (3 * 16)(%rsi); + vmovdqu RB0, (4 * 16)(%rsi); + vmovdqu RB1, (5 * 16)(%rsi); + vmovdqu RB2, (6 * 16)(%rsi); + vmovdqu RB3, (7 * 16)(%rsi); + + vzeroall; + FRAME_END + ret; +SYM_FUNC_END(sm4_aesni_avx_cfb_dec_blk8) diff --git a/arch/x86/crypto/sm4-aesni-avx2-asm_64.S b/arch/x86/crypto/sm4-aesni-avx2-asm_64.S new file mode 100644 index 000000000000..d2ffd7f76ee2 --- /dev/null +++ b/arch/x86/crypto/sm4-aesni-avx2-asm_64.S @@ -0,0 +1,497 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * SM4 Cipher Algorithm, AES-NI/AVX2 optimized. + * as specified in + * https://tools.ietf.org/id/draft-ribose-cfrg-sm4-10.html + * + * Copyright (C) 2018 Markku-Juhani O. Saarinen <mjos@iki.fi> + * Copyright (C) 2020 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * Copyright (c) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com> + */ + +/* Based on SM4 AES-NI work by libgcrypt and Markku-Juhani O. Saarinen at: + * https://github.com/mjosaarinen/sm4ni + */ + +#include <linux/linkage.h> +#include <asm/frame.h> + +#define rRIP (%rip) + +/* vector registers */ +#define RX0 %ymm0 +#define RX1 %ymm1 +#define MASK_4BIT %ymm2 +#define RTMP0 %ymm3 +#define RTMP1 %ymm4 +#define RTMP2 %ymm5 +#define RTMP3 %ymm6 +#define RTMP4 %ymm7 + +#define RA0 %ymm8 +#define RA1 %ymm9 +#define RA2 %ymm10 +#define RA3 %ymm11 + +#define RB0 %ymm12 +#define RB1 %ymm13 +#define RB2 %ymm14 +#define RB3 %ymm15 + +#define RNOT %ymm0 +#define RBSWAP %ymm1 + +#define RX0x %xmm0 +#define RX1x %xmm1 +#define MASK_4BITx %xmm2 + +#define RNOTx %xmm0 +#define RBSWAPx %xmm1 + +#define RTMP0x %xmm3 +#define RTMP1x %xmm4 +#define RTMP2x %xmm5 +#define RTMP3x %xmm6 +#define RTMP4x %xmm7 + + +/* helper macros */ + +/* Transpose four 32-bit words between 128-bit vector lanes. */ +#define transpose_4x4(x0, x1, x2, x3, t1, t2) \ + vpunpckhdq x1, x0, t2; \ + vpunpckldq x1, x0, x0; \ + \ + vpunpckldq x3, x2, t1; \ + vpunpckhdq x3, x2, x2; \ + \ + vpunpckhqdq t1, x0, x1; \ + vpunpcklqdq t1, x0, x0; \ + \ + vpunpckhqdq x2, t2, x3; \ + vpunpcklqdq x2, t2, x2; + +/* post-SubByte transform. */ +#define transform_pre(x, lo_t, hi_t, mask4bit, tmp0) \ + vpand x, mask4bit, tmp0; \ + vpandn x, mask4bit, x; \ + vpsrld $4, x, x; \ + \ + vpshufb tmp0, lo_t, tmp0; \ + vpshufb x, hi_t, x; \ + vpxor tmp0, x, x; + +/* post-SubByte transform. Note: x has been XOR'ed with mask4bit by + * 'vaeslastenc' instruction. */ +#define transform_post(x, lo_t, hi_t, mask4bit, tmp0) \ + vpandn mask4bit, x, tmp0; \ + vpsrld $4, x, x; \ + vpand x, mask4bit, x; \ + \ + vpshufb tmp0, lo_t, tmp0; \ + vpshufb x, hi_t, x; \ + vpxor tmp0, x, x; + + +.section .rodata.cst164, "aM", @progbits, 164 +.align 16 + +/* + * Following four affine transform look-up tables are from work by + * Markku-Juhani O. Saarinen, at https://github.com/mjosaarinen/sm4ni + * + * These allow exposing SM4 S-Box from AES SubByte. + */ + +/* pre-SubByte affine transform, from SM4 field to AES field. */ +.Lpre_tf_lo_s: + .quad 0x9197E2E474720701, 0xC7C1B4B222245157 +.Lpre_tf_hi_s: + .quad 0xE240AB09EB49A200, 0xF052B91BF95BB012 + +/* post-SubByte affine transform, from AES field to SM4 field. */ +.Lpost_tf_lo_s: + .quad 0x5B67F2CEA19D0834, 0xEDD14478172BBE82 +.Lpost_tf_hi_s: + .quad 0xAE7201DD73AFDC00, 0x11CDBE62CC1063BF + +/* For isolating SubBytes from AESENCLAST, inverse shift row */ +.Linv_shift_row: + .byte 0x00, 0x0d, 0x0a, 0x07, 0x04, 0x01, 0x0e, 0x0b + .byte 0x08, 0x05, 0x02, 0x0f, 0x0c, 0x09, 0x06, 0x03 + +/* Inverse shift row + Rotate left by 8 bits on 32-bit words with vpshufb */ +.Linv_shift_row_rol_8: + .byte 0x07, 0x00, 0x0d, 0x0a, 0x0b, 0x04, 0x01, 0x0e + .byte 0x0f, 0x08, 0x05, 0x02, 0x03, 0x0c, 0x09, 0x06 + +/* Inverse shift row + Rotate left by 16 bits on 32-bit words with vpshufb */ +.Linv_shift_row_rol_16: + .byte 0x0a, 0x07, 0x00, 0x0d, 0x0e, 0x0b, 0x04, 0x01 + .byte 0x02, 0x0f, 0x08, 0x05, 0x06, 0x03, 0x0c, 0x09 + +/* Inverse shift row + Rotate left by 24 bits on 32-bit words with vpshufb */ +.Linv_shift_row_rol_24: + .byte 0x0d, 0x0a, 0x07, 0x00, 0x01, 0x0e, 0x0b, 0x04 + .byte 0x05, 0x02, 0x0f, 0x08, 0x09, 0x06, 0x03, 0x0c + +/* For CTR-mode IV byteswap */ +.Lbswap128_mask: + .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 + +/* For input word byte-swap */ +.Lbswap32_mask: + .byte 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 + +.align 4 +/* 4-bit mask */ +.L0f0f0f0f: + .long 0x0f0f0f0f + +.text +.align 16 + +.align 8 +SYM_FUNC_START_LOCAL(__sm4_crypt_blk16) + /* input: + * %rdi: round key array, CTX + * RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3: sixteen parallel + * plaintext blocks + * output: + * RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3: sixteen parallel + * ciphertext blocks + */ + FRAME_BEGIN + + vbroadcasti128 .Lbswap32_mask rRIP, RTMP2; + vpshufb RTMP2, RA0, RA0; + vpshufb RTMP2, RA1, RA1; + vpshufb RTMP2, RA2, RA2; + vpshufb RTMP2, RA3, RA3; + vpshufb RTMP2, RB0, RB0; + vpshufb RTMP2, RB1, RB1; + vpshufb RTMP2, RB2, RB2; + vpshufb RTMP2, RB3, RB3; + + vpbroadcastd .L0f0f0f0f rRIP, MASK_4BIT; + transpose_4x4(RA0, RA1, RA2, RA3, RTMP0, RTMP1); + transpose_4x4(RB0, RB1, RB2, RB3, RTMP0, RTMP1); + +#define ROUND(round, s0, s1, s2, s3, r0, r1, r2, r3) \ + vpbroadcastd (4*(round))(%rdi), RX0; \ + vbroadcasti128 .Lpre_tf_lo_s rRIP, RTMP4; \ + vbroadcasti128 .Lpre_tf_hi_s rRIP, RTMP1; \ + vmovdqa RX0, RX1; \ + vpxor s1, RX0, RX0; \ + vpxor s2, RX0, RX0; \ + vpxor s3, RX0, RX0; /* s1 ^ s2 ^ s3 ^ rk */ \ + vbroadcasti128 .Lpost_tf_lo_s rRIP, RTMP2; \ + vbroadcasti128 .Lpost_tf_hi_s rRIP, RTMP3; \ + vpxor r1, RX1, RX1; \ + vpxor r2, RX1, RX1; \ + vpxor r3, RX1, RX1; /* r1 ^ r2 ^ r3 ^ rk */ \ + \ + /* sbox, non-linear part */ \ + transform_pre(RX0, RTMP4, RTMP1, MASK_4BIT, RTMP0); \ + transform_pre(RX1, RTMP4, RTMP1, MASK_4BIT, RTMP0); \ + vextracti128 $1, RX0, RTMP4x; \ + vextracti128 $1, RX1, RTMP0x; \ + vaesenclast MASK_4BITx, RX0x, RX0x; \ + vaesenclast MASK_4BITx, RTMP4x, RTMP4x; \ + vaesenclast MASK_4BITx, RX1x, RX1x; \ + vaesenclast MASK_4BITx, RTMP0x, RTMP0x; \ + vinserti128 $1, RTMP4x, RX0, RX0; \ + vbroadcasti128 .Linv_shift_row rRIP, RTMP4; \ + vinserti128 $1, RTMP0x, RX1, RX1; \ + transform_post(RX0, RTMP2, RTMP3, MASK_4BIT, RTMP0); \ + transform_post(RX1, RTMP2, RTMP3, MASK_4BIT, RTMP0); \ + \ + /* linear part */ \ + vpshufb RTMP4, RX0, RTMP0; \ + vpxor RTMP0, s0, s0; /* s0 ^ x */ \ + vpshufb RTMP4, RX1, RTMP2; \ + vbroadcasti128 .Linv_shift_row_rol_8 rRIP, RTMP4; \ + vpxor RTMP2, r0, r0; /* r0 ^ x */ \ + vpshufb RTMP4, RX0, RTMP1; \ + vpxor RTMP1, RTMP0, RTMP0; /* x ^ rol(x,8) */ \ + vpshufb RTMP4, RX1, RTMP3; \ + vbroadcasti128 .Linv_shift_row_rol_16 rRIP, RTMP4; \ + vpxor RTMP3, RTMP2, RTMP2; /* x ^ rol(x,8) */ \ + vpshufb RTMP4, RX0, RTMP1; \ + vpxor RTMP1, RTMP0, RTMP0; /* x ^ rol(x,8) ^ rol(x,16) */ \ + vpshufb RTMP4, RX1, RTMP3; \ + vbroadcasti128 .Linv_shift_row_rol_24 rRIP, RTMP4; \ + vpxor RTMP3, RTMP2, RTMP2; /* x ^ rol(x,8) ^ rol(x,16) */ \ + vpshufb RTMP4, RX0, RTMP1; \ + vpxor RTMP1, s0, s0; /* s0 ^ x ^ rol(x,24) */ \ + vpslld $2, RTMP0, RTMP1; \ + vpsrld $30, RTMP0, RTMP0; \ + vpxor RTMP0, s0, s0; \ + /* s0 ^ x ^ rol(x,2) ^ rol(x,10) ^ rol(x,18) ^ rol(x,24) */ \ + vpxor RTMP1, s0, s0; \ + vpshufb RTMP4, RX1, RTMP3; \ + vpxor RTMP3, r0, r0; /* r0 ^ x ^ rol(x,24) */ \ + vpslld $2, RTMP2, RTMP3; \ + vpsrld $30, RTMP2, RTMP2; \ + vpxor RTMP2, r0, r0; \ + /* r0 ^ x ^ rol(x,2) ^ rol(x,10) ^ rol(x,18) ^ rol(x,24) */ \ + vpxor RTMP3, r0, r0; + + leaq (32*4)(%rdi), %rax; +.align 16 +.Lroundloop_blk8: + ROUND(0, RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3); + ROUND(1, RA1, RA2, RA3, RA0, RB1, RB2, RB3, RB0); + ROUND(2, RA2, RA3, RA0, RA1, RB2, RB3, RB0, RB1); + ROUND(3, RA3, RA0, RA1, RA2, RB3, RB0, RB1, RB2); + leaq (4*4)(%rdi), %rdi; + cmpq %rax, %rdi; + jne .Lroundloop_blk8; + +#undef ROUND + + vbroadcasti128 .Lbswap128_mask rRIP, RTMP2; + + transpose_4x4(RA0, RA1, RA2, RA3, RTMP0, RTMP1); + transpose_4x4(RB0, RB1, RB2, RB3, RTMP0, RTMP1); + vpshufb RTMP2, RA0, RA0; + vpshufb RTMP2, RA1, RA1; + vpshufb RTMP2, RA2, RA2; + vpshufb RTMP2, RA3, RA3; + vpshufb RTMP2, RB0, RB0; + vpshufb RTMP2, RB1, RB1; + vpshufb RTMP2, RB2, RB2; + vpshufb RTMP2, RB3, RB3; + + FRAME_END + ret; +SYM_FUNC_END(__sm4_crypt_blk16) + +#define inc_le128(x, minus_one, tmp) \ + vpcmpeqq minus_one, x, tmp; \ + vpsubq minus_one, x, x; \ + vpslldq $8, tmp, tmp; \ + vpsubq tmp, x, x; + +/* + * void sm4_aesni_avx2_ctr_enc_blk16(const u32 *rk, u8 *dst, + * const u8 *src, u8 *iv) + */ +.align 8 +SYM_FUNC_START(sm4_aesni_avx2_ctr_enc_blk16) + /* input: + * %rdi: round key array, CTX + * %rsi: dst (16 blocks) + * %rdx: src (16 blocks) + * %rcx: iv (big endian, 128bit) + */ + FRAME_BEGIN + + movq 8(%rcx), %rax; + bswapq %rax; + + vzeroupper; + + vbroadcasti128 .Lbswap128_mask rRIP, RTMP3; + vpcmpeqd RNOT, RNOT, RNOT; + vpsrldq $8, RNOT, RNOT; /* ab: -1:0 ; cd: -1:0 */ + vpaddq RNOT, RNOT, RTMP2; /* ab: -2:0 ; cd: -2:0 */ + + /* load IV and byteswap */ + vmovdqu (%rcx), RTMP4x; + vpshufb RTMP3x, RTMP4x, RTMP4x; + vmovdqa RTMP4x, RTMP0x; + inc_le128(RTMP4x, RNOTx, RTMP1x); + vinserti128 $1, RTMP4x, RTMP0, RTMP0; + vpshufb RTMP3, RTMP0, RA0; /* +1 ; +0 */ + + /* check need for handling 64-bit overflow and carry */ + cmpq $(0xffffffffffffffff - 16), %rax; + ja .Lhandle_ctr_carry; + + /* construct IVs */ + vpsubq RTMP2, RTMP0, RTMP0; /* +3 ; +2 */ + vpshufb RTMP3, RTMP0, RA1; + vpsubq RTMP2, RTMP0, RTMP0; /* +5 ; +4 */ + vpshufb RTMP3, RTMP0, RA2; + vpsubq RTMP2, RTMP0, RTMP0; /* +7 ; +6 */ + vpshufb RTMP3, RTMP0, RA3; + vpsubq RTMP2, RTMP0, RTMP0; /* +9 ; +8 */ + vpshufb RTMP3, RTMP0, RB0; + vpsubq RTMP2, RTMP0, RTMP0; /* +11 ; +10 */ + vpshufb RTMP3, RTMP0, RB1; + vpsubq RTMP2, RTMP0, RTMP0; /* +13 ; +12 */ + vpshufb RTMP3, RTMP0, RB2; + vpsubq RTMP2, RTMP0, RTMP0; /* +15 ; +14 */ + vpshufb RTMP3, RTMP0, RB3; + vpsubq RTMP2, RTMP0, RTMP0; /* +16 */ + vpshufb RTMP3x, RTMP0x, RTMP0x; + + jmp .Lctr_carry_done; + +.Lhandle_ctr_carry: + /* construct IVs */ + inc_le128(RTMP0, RNOT, RTMP1); + inc_le128(RTMP0, RNOT, RTMP1); + vpshufb RTMP3, RTMP0, RA1; /* +3 ; +2 */ + inc_le128(RTMP0, RNOT, RTMP1); + inc_le128(RTMP0, RNOT, RTMP1); + vpshufb RTMP3, RTMP0, RA2; /* +5 ; +4 */ + inc_le128(RTMP0, RNOT, RTMP1); + inc_le128(RTMP0, RNOT, RTMP1); + vpshufb RTMP3, RTMP0, RA3; /* +7 ; +6 */ + inc_le128(RTMP0, RNOT, RTMP1); + inc_le128(RTMP0, RNOT, RTMP1); + vpshufb RTMP3, RTMP0, RB0; /* +9 ; +8 */ + inc_le128(RTMP0, RNOT, RTMP1); + inc_le128(RTMP0, RNOT, RTMP1); + vpshufb RTMP3, RTMP0, RB1; /* +11 ; +10 */ + inc_le128(RTMP0, RNOT, RTMP1); + inc_le128(RTMP0, RNOT, RTMP1); + vpshufb RTMP3, RTMP0, RB2; /* +13 ; +12 */ + inc_le128(RTMP0, RNOT, RTMP1); + inc_le128(RTMP0, RNOT, RTMP1); + vpshufb RTMP3, RTMP0, RB3; /* +15 ; +14 */ + inc_le128(RTMP0, RNOT, RTMP1); + vextracti128 $1, RTMP0, RTMP0x; + vpshufb RTMP3x, RTMP0x, RTMP0x; /* +16 */ + +.align 4 +.Lctr_carry_done: + /* store new IV */ + vmovdqu RTMP0x, (%rcx); + + call __sm4_crypt_blk16; + + vpxor (0 * 32)(%rdx), RA0, RA0; + vpxor (1 * 32)(%rdx), RA1, RA1; + vpxor (2 * 32)(%rdx), RA2, RA2; + vpxor (3 * 32)(%rdx), RA3, RA3; + vpxor (4 * 32)(%rdx), RB0, RB0; + vpxor (5 * 32)(%rdx), RB1, RB1; + vpxor (6 * 32)(%rdx), RB2, RB2; + vpxor (7 * 32)(%rdx), RB3, RB3; + + vmovdqu RA0, (0 * 32)(%rsi); + vmovdqu RA1, (1 * 32)(%rsi); + vmovdqu RA2, (2 * 32)(%rsi); + vmovdqu RA3, (3 * 32)(%rsi); + vmovdqu RB0, (4 * 32)(%rsi); + vmovdqu RB1, (5 * 32)(%rsi); + vmovdqu RB2, (6 * 32)(%rsi); + vmovdqu RB3, (7 * 32)(%rsi); + + vzeroall; + FRAME_END + ret; +SYM_FUNC_END(sm4_aesni_avx2_ctr_enc_blk16) + +/* + * void sm4_aesni_avx2_cbc_dec_blk16(const u32 *rk, u8 *dst, + * const u8 *src, u8 *iv) + */ +.align 8 +SYM_FUNC_START(sm4_aesni_avx2_cbc_dec_blk16) + /* input: + * %rdi: round key array, CTX + * %rsi: dst (16 blocks) + * %rdx: src (16 blocks) + * %rcx: iv + */ + FRAME_BEGIN + + vzeroupper; + + vmovdqu (0 * 32)(%rdx), RA0; + vmovdqu (1 * 32)(%rdx), RA1; + vmovdqu (2 * 32)(%rdx), RA2; + vmovdqu (3 * 32)(%rdx), RA3; + vmovdqu (4 * 32)(%rdx), RB0; + vmovdqu (5 * 32)(%rdx), RB1; + vmovdqu (6 * 32)(%rdx), RB2; + vmovdqu (7 * 32)(%rdx), RB3; + + call __sm4_crypt_blk16; + + vmovdqu (%rcx), RNOTx; + vinserti128 $1, (%rdx), RNOT, RNOT; + vpxor RNOT, RA0, RA0; + vpxor (0 * 32 + 16)(%rdx), RA1, RA1; + vpxor (1 * 32 + 16)(%rdx), RA2, RA2; + vpxor (2 * 32 + 16)(%rdx), RA3, RA3; + vpxor (3 * 32 + 16)(%rdx), RB0, RB0; + vpxor (4 * 32 + 16)(%rdx), RB1, RB1; + vpxor (5 * 32 + 16)(%rdx), RB2, RB2; + vpxor (6 * 32 + 16)(%rdx), RB3, RB3; + vmovdqu (7 * 32 + 16)(%rdx), RNOTx; + vmovdqu RNOTx, (%rcx); /* store new IV */ + + vmovdqu RA0, (0 * 32)(%rsi); + vmovdqu RA1, (1 * 32)(%rsi); + vmovdqu RA2, (2 * 32)(%rsi); + vmovdqu RA3, (3 * 32)(%rsi); + vmovdqu RB0, (4 * 32)(%rsi); + vmovdqu RB1, (5 * 32)(%rsi); + vmovdqu RB2, (6 * 32)(%rsi); + vmovdqu RB3, (7 * 32)(%rsi); + + vzeroall; + FRAME_END + ret; +SYM_FUNC_END(sm4_aesni_avx2_cbc_dec_blk16) + +/* + * void sm4_aesni_avx2_cfb_dec_blk16(const u32 *rk, u8 *dst, + * const u8 *src, u8 *iv) + */ +.align 8 +SYM_FUNC_START(sm4_aesni_avx2_cfb_dec_blk16) + /* input: + * %rdi: round key array, CTX + * %rsi: dst (16 blocks) + * %rdx: src (16 blocks) + * %rcx: iv + */ + FRAME_BEGIN + + vzeroupper; + + /* Load input */ + vmovdqu (%rcx), RNOTx; + vinserti128 $1, (%rdx), RNOT, RA0; + vmovdqu (0 * 32 + 16)(%rdx), RA1; + vmovdqu (1 * 32 + 16)(%rdx), RA2; + vmovdqu (2 * 32 + 16)(%rdx), RA3; + vmovdqu (3 * 32 + 16)(%rdx), RB0; + vmovdqu (4 * 32 + 16)(%rdx), RB1; + vmovdqu (5 * 32 + 16)(%rdx), RB2; + vmovdqu (6 * 32 + 16)(%rdx), RB3; + + /* Update IV */ + vmovdqu (7 * 32 + 16)(%rdx), RNOTx; + vmovdqu RNOTx, (%rcx); + + call __sm4_crypt_blk16; + + vpxor (0 * 32)(%rdx), RA0, RA0; + vpxor (1 * 32)(%rdx), RA1, RA1; + vpxor (2 * 32)(%rdx), RA2, RA2; + vpxor (3 * 32)(%rdx), RA3, RA3; + vpxor (4 * 32)(%rdx), RB0, RB0; + vpxor (5 * 32)(%rdx), RB1, RB1; + vpxor (6 * 32)(%rdx), RB2, RB2; + vpxor (7 * 32)(%rdx), RB3, RB3; + + vmovdqu RA0, (0 * 32)(%rsi); + vmovdqu RA1, (1 * 32)(%rsi); + vmovdqu RA2, (2 * 32)(%rsi); + vmovdqu RA3, (3 * 32)(%rsi); + vmovdqu RB0, (4 * 32)(%rsi); + vmovdqu RB1, (5 * 32)(%rsi); + vmovdqu RB2, (6 * 32)(%rsi); + vmovdqu RB3, (7 * 32)(%rsi); + + vzeroall; + FRAME_END + ret; +SYM_FUNC_END(sm4_aesni_avx2_cfb_dec_blk16) diff --git a/arch/x86/crypto/sm4-avx.h b/arch/x86/crypto/sm4-avx.h new file mode 100644 index 000000000000..1bceab7516aa --- /dev/null +++ b/arch/x86/crypto/sm4-avx.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef ASM_X86_SM4_AVX_H +#define ASM_X86_SM4_AVX_H + +#include <linux/types.h> +#include <crypto/sm4.h> + +typedef void (*sm4_crypt_func)(const u32 *rk, u8 *dst, const u8 *src, u8 *iv); + +int sm4_avx_ecb_encrypt(struct skcipher_request *req); +int sm4_avx_ecb_decrypt(struct skcipher_request *req); + +int sm4_cbc_encrypt(struct skcipher_request *req); +int sm4_avx_cbc_decrypt(struct skcipher_request *req, + unsigned int bsize, sm4_crypt_func func); + +int sm4_cfb_encrypt(struct skcipher_request *req); +int sm4_avx_cfb_decrypt(struct skcipher_request *req, + unsigned int bsize, sm4_crypt_func func); + +int sm4_avx_ctr_crypt(struct skcipher_request *req, + unsigned int bsize, sm4_crypt_func func); + +#endif diff --git a/arch/x86/crypto/sm4_aesni_avx2_glue.c b/arch/x86/crypto/sm4_aesni_avx2_glue.c new file mode 100644 index 000000000000..84bc718f49a3 --- /dev/null +++ b/arch/x86/crypto/sm4_aesni_avx2_glue.c @@ -0,0 +1,169 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * SM4 Cipher Algorithm, AES-NI/AVX2 optimized. + * as specified in + * https://tools.ietf.org/id/draft-ribose-cfrg-sm4-10.html + * + * Copyright (c) 2021, Alibaba Group. + * Copyright (c) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com> + */ + +#include <linux/module.h> +#include <linux/crypto.h> +#include <linux/kernel.h> +#include <asm/simd.h> +#include <crypto/internal/simd.h> +#include <crypto/internal/skcipher.h> +#include <crypto/sm4.h> +#include "sm4-avx.h" + +#define SM4_CRYPT16_BLOCK_SIZE (SM4_BLOCK_SIZE * 16) + +asmlinkage void sm4_aesni_avx2_ctr_enc_blk16(const u32 *rk, u8 *dst, + const u8 *src, u8 *iv); +asmlinkage void sm4_aesni_avx2_cbc_dec_blk16(const u32 *rk, u8 *dst, + const u8 *src, u8 *iv); +asmlinkage void sm4_aesni_avx2_cfb_dec_blk16(const u32 *rk, u8 *dst, + const u8 *src, u8 *iv); + +static int sm4_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key, + unsigned int key_len) +{ + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + + return sm4_expandkey(ctx, key, key_len); +} + +static int cbc_decrypt(struct skcipher_request *req) +{ + return sm4_avx_cbc_decrypt(req, SM4_CRYPT16_BLOCK_SIZE, + sm4_aesni_avx2_cbc_dec_blk16); +} + + +static int cfb_decrypt(struct skcipher_request *req) +{ + return sm4_avx_cfb_decrypt(req, SM4_CRYPT16_BLOCK_SIZE, + sm4_aesni_avx2_cfb_dec_blk16); +} + +static int ctr_crypt(struct skcipher_request *req) +{ + return sm4_avx_ctr_crypt(req, SM4_CRYPT16_BLOCK_SIZE, + sm4_aesni_avx2_ctr_enc_blk16); +} + +static struct skcipher_alg sm4_aesni_avx2_skciphers[] = { + { + .base = { + .cra_name = "__ecb(sm4)", + .cra_driver_name = "__ecb-sm4-aesni-avx2", + .cra_priority = 500, + .cra_flags = CRYPTO_ALG_INTERNAL, + .cra_blocksize = SM4_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sm4_ctx), + .cra_module = THIS_MODULE, + }, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .walksize = 16 * SM4_BLOCK_SIZE, + .setkey = sm4_skcipher_setkey, + .encrypt = sm4_avx_ecb_encrypt, + .decrypt = sm4_avx_ecb_decrypt, + }, { + .base = { + .cra_name = "__cbc(sm4)", + .cra_driver_name = "__cbc-sm4-aesni-avx2", + .cra_priority = 500, + .cra_flags = CRYPTO_ALG_INTERNAL, + .cra_blocksize = SM4_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sm4_ctx), + .cra_module = THIS_MODULE, + }, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + .walksize = 16 * SM4_BLOCK_SIZE, + .setkey = sm4_skcipher_setkey, + .encrypt = sm4_cbc_encrypt, + .decrypt = cbc_decrypt, + }, { + .base = { + .cra_name = "__cfb(sm4)", + .cra_driver_name = "__cfb-sm4-aesni-avx2", + .cra_priority = 500, + .cra_flags = CRYPTO_ALG_INTERNAL, + .cra_blocksize = 1, + .cra_ctxsize = sizeof(struct sm4_ctx), + .cra_module = THIS_MODULE, + }, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + .chunksize = SM4_BLOCK_SIZE, + .walksize = 16 * SM4_BLOCK_SIZE, + .setkey = sm4_skcipher_setkey, + .encrypt = sm4_cfb_encrypt, + .decrypt = cfb_decrypt, + }, { + .base = { + .cra_name = "__ctr(sm4)", + .cra_driver_name = "__ctr-sm4-aesni-avx2", + .cra_priority = 500, + .cra_flags = CRYPTO_ALG_INTERNAL, + .cra_blocksize = 1, + .cra_ctxsize = sizeof(struct sm4_ctx), + .cra_module = THIS_MODULE, + }, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + .chunksize = SM4_BLOCK_SIZE, + .walksize = 16 * SM4_BLOCK_SIZE, + .setkey = sm4_skcipher_setkey, + .encrypt = ctr_crypt, + .decrypt = ctr_crypt, + } +}; + +static struct simd_skcipher_alg * +simd_sm4_aesni_avx2_skciphers[ARRAY_SIZE(sm4_aesni_avx2_skciphers)]; + +static int __init sm4_init(void) +{ + const char *feature_name; + + if (!boot_cpu_has(X86_FEATURE_AVX) || + !boot_cpu_has(X86_FEATURE_AVX2) || + !boot_cpu_has(X86_FEATURE_AES) || + !boot_cpu_has(X86_FEATURE_OSXSAVE)) { + pr_info("AVX2 or AES-NI instructions are not detected.\n"); + return -ENODEV; + } + + if (!cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, + &feature_name)) { + pr_info("CPU feature '%s' is not supported.\n", feature_name); + return -ENODEV; + } + + return simd_register_skciphers_compat(sm4_aesni_avx2_skciphers, + ARRAY_SIZE(sm4_aesni_avx2_skciphers), + simd_sm4_aesni_avx2_skciphers); +} + +static void __exit sm4_exit(void) +{ + simd_unregister_skciphers(sm4_aesni_avx2_skciphers, + ARRAY_SIZE(sm4_aesni_avx2_skciphers), + simd_sm4_aesni_avx2_skciphers); +} + +module_init(sm4_init); +module_exit(sm4_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Tianjia Zhang <tianjia.zhang@linux.alibaba.com>"); +MODULE_DESCRIPTION("SM4 Cipher Algorithm, AES-NI/AVX2 optimized"); +MODULE_ALIAS_CRYPTO("sm4"); +MODULE_ALIAS_CRYPTO("sm4-aesni-avx2"); diff --git a/arch/x86/crypto/sm4_aesni_avx_glue.c b/arch/x86/crypto/sm4_aesni_avx_glue.c new file mode 100644 index 000000000000..7800f77d68ad --- /dev/null +++ b/arch/x86/crypto/sm4_aesni_avx_glue.c @@ -0,0 +1,487 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * SM4 Cipher Algorithm, AES-NI/AVX optimized. + * as specified in + * https://tools.ietf.org/id/draft-ribose-cfrg-sm4-10.html + * + * Copyright (c) 2021, Alibaba Group. + * Copyright (c) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com> + */ + +#include <linux/module.h> +#include <linux/crypto.h> +#include <linux/kernel.h> +#include <asm/simd.h> +#include <crypto/internal/simd.h> +#include <crypto/internal/skcipher.h> +#include <crypto/sm4.h> +#include "sm4-avx.h" + +#define SM4_CRYPT8_BLOCK_SIZE (SM4_BLOCK_SIZE * 8) + +asmlinkage void sm4_aesni_avx_crypt4(const u32 *rk, u8 *dst, + const u8 *src, int nblocks); +asmlinkage void sm4_aesni_avx_crypt8(const u32 *rk, u8 *dst, + const u8 *src, int nblocks); +asmlinkage void sm4_aesni_avx_ctr_enc_blk8(const u32 *rk, u8 *dst, + const u8 *src, u8 *iv); +asmlinkage void sm4_aesni_avx_cbc_dec_blk8(const u32 *rk, u8 *dst, + const u8 *src, u8 *iv); +asmlinkage void sm4_aesni_avx_cfb_dec_blk8(const u32 *rk, u8 *dst, + const u8 *src, u8 *iv); + +static int sm4_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key, + unsigned int key_len) +{ + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + + return sm4_expandkey(ctx, key, key_len); +} + +static int ecb_do_crypt(struct skcipher_request *req, const u32 *rkey) +{ + struct skcipher_walk walk; + unsigned int nbytes; + int err; + + err = skcipher_walk_virt(&walk, req, false); + + while ((nbytes = walk.nbytes) > 0) { + const u8 *src = walk.src.virt.addr; + u8 *dst = walk.dst.virt.addr; + + kernel_fpu_begin(); + while (nbytes >= SM4_CRYPT8_BLOCK_SIZE) { + sm4_aesni_avx_crypt8(rkey, dst, src, 8); + dst += SM4_CRYPT8_BLOCK_SIZE; + src += SM4_CRYPT8_BLOCK_SIZE; + nbytes -= SM4_CRYPT8_BLOCK_SIZE; + } + while (nbytes >= SM4_BLOCK_SIZE) { + unsigned int nblocks = min(nbytes >> 4, 4u); + sm4_aesni_avx_crypt4(rkey, dst, src, nblocks); + dst += nblocks * SM4_BLOCK_SIZE; + src += nblocks * SM4_BLOCK_SIZE; + nbytes -= nblocks * SM4_BLOCK_SIZE; + } + kernel_fpu_end(); + + err = skcipher_walk_done(&walk, nbytes); + } + + return err; +} + +int sm4_avx_ecb_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + + return ecb_do_crypt(req, ctx->rkey_enc); +} +EXPORT_SYMBOL_GPL(sm4_avx_ecb_encrypt); + +int sm4_avx_ecb_decrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + + return ecb_do_crypt(req, ctx->rkey_dec); +} +EXPORT_SYMBOL_GPL(sm4_avx_ecb_decrypt); + +int sm4_cbc_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; + int err; + + err = skcipher_walk_virt(&walk, req, false); + + while ((nbytes = walk.nbytes) > 0) { + const u8 *iv = walk.iv; + const u8 *src = walk.src.virt.addr; + u8 *dst = walk.dst.virt.addr; + + while (nbytes >= SM4_BLOCK_SIZE) { + crypto_xor_cpy(dst, src, iv, SM4_BLOCK_SIZE); + sm4_crypt_block(ctx->rkey_enc, dst, dst); + iv = dst; + src += SM4_BLOCK_SIZE; + dst += SM4_BLOCK_SIZE; + nbytes -= SM4_BLOCK_SIZE; + } + if (iv != walk.iv) + memcpy(walk.iv, iv, SM4_BLOCK_SIZE); + + err = skcipher_walk_done(&walk, nbytes); + } + + return err; +} +EXPORT_SYMBOL_GPL(sm4_cbc_encrypt); + +int sm4_avx_cbc_decrypt(struct skcipher_request *req, + unsigned int bsize, sm4_crypt_func func) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; + int err; + + err = skcipher_walk_virt(&walk, req, false); + + while ((nbytes = walk.nbytes) > 0) { + const u8 *src = walk.src.virt.addr; + u8 *dst = walk.dst.virt.addr; + + kernel_fpu_begin(); + + while (nbytes >= bsize) { + func(ctx->rkey_dec, dst, src, walk.iv); + dst += bsize; + src += bsize; + nbytes -= bsize; + } + + while (nbytes >= SM4_BLOCK_SIZE) { + u8 keystream[SM4_BLOCK_SIZE * 8]; + u8 iv[SM4_BLOCK_SIZE]; + unsigned int nblocks = min(nbytes >> 4, 8u); + int i; + + sm4_aesni_avx_crypt8(ctx->rkey_dec, keystream, + src, nblocks); + + src += ((int)nblocks - 2) * SM4_BLOCK_SIZE; + dst += (nblocks - 1) * SM4_BLOCK_SIZE; + memcpy(iv, src + SM4_BLOCK_SIZE, SM4_BLOCK_SIZE); + + for (i = nblocks - 1; i > 0; i--) { + crypto_xor_cpy(dst, src, + &keystream[i * SM4_BLOCK_SIZE], + SM4_BLOCK_SIZE); + src -= SM4_BLOCK_SIZE; + dst -= SM4_BLOCK_SIZE; + } + crypto_xor_cpy(dst, walk.iv, keystream, SM4_BLOCK_SIZE); + memcpy(walk.iv, iv, SM4_BLOCK_SIZE); + dst += nblocks * SM4_BLOCK_SIZE; + src += (nblocks + 1) * SM4_BLOCK_SIZE; + nbytes -= nblocks * SM4_BLOCK_SIZE; + } + + kernel_fpu_end(); + err = skcipher_walk_done(&walk, nbytes); + } + + return err; +} +EXPORT_SYMBOL_GPL(sm4_avx_cbc_decrypt); + +static int cbc_decrypt(struct skcipher_request *req) +{ + return sm4_avx_cbc_decrypt(req, SM4_CRYPT8_BLOCK_SIZE, + sm4_aesni_avx_cbc_dec_blk8); +} + +int sm4_cfb_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; + int err; + + err = skcipher_walk_virt(&walk, req, false); + + while ((nbytes = walk.nbytes) > 0) { + u8 keystream[SM4_BLOCK_SIZE]; + const u8 *iv = walk.iv; + const u8 *src = walk.src.virt.addr; + u8 *dst = walk.dst.virt.addr; + + while (nbytes >= SM4_BLOCK_SIZE) { + sm4_crypt_block(ctx->rkey_enc, keystream, iv); + crypto_xor_cpy(dst, src, keystream, SM4_BLOCK_SIZE); + iv = dst; + src += SM4_BLOCK_SIZE; + dst += SM4_BLOCK_SIZE; + nbytes -= SM4_BLOCK_SIZE; + } + if (iv != walk.iv) + memcpy(walk.iv, iv, SM4_BLOCK_SIZE); + + /* tail */ + if (walk.nbytes == walk.total && nbytes > 0) { + sm4_crypt_block(ctx->rkey_enc, keystream, walk.iv); + crypto_xor_cpy(dst, src, keystream, nbytes); + nbytes = 0; + } + + err = skcipher_walk_done(&walk, nbytes); + } + + return err; +} +EXPORT_SYMBOL_GPL(sm4_cfb_encrypt); + +int sm4_avx_cfb_decrypt(struct skcipher_request *req, + unsigned int bsize, sm4_crypt_func func) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; + int err; + + err = skcipher_walk_virt(&walk, req, false); + + while ((nbytes = walk.nbytes) > 0) { + const u8 *src = walk.src.virt.addr; + u8 *dst = walk.dst.virt.addr; + + kernel_fpu_begin(); + + while (nbytes >= bsize) { + func(ctx->rkey_enc, dst, src, walk.iv); + dst += bsize; + src += bsize; + nbytes -= bsize; + } + + while (nbytes >= SM4_BLOCK_SIZE) { + u8 keystream[SM4_BLOCK_SIZE * 8]; + unsigned int nblocks = min(nbytes >> 4, 8u); + + memcpy(keystream, walk.iv, SM4_BLOCK_SIZE); + if (nblocks > 1) + memcpy(&keystream[SM4_BLOCK_SIZE], src, + (nblocks - 1) * SM4_BLOCK_SIZE); + memcpy(walk.iv, src + (nblocks - 1) * SM4_BLOCK_SIZE, + SM4_BLOCK_SIZE); + + sm4_aesni_avx_crypt8(ctx->rkey_enc, keystream, + keystream, nblocks); + + crypto_xor_cpy(dst, src, keystream, + nblocks * SM4_BLOCK_SIZE); + dst += nblocks * SM4_BLOCK_SIZE; + src += nblocks * SM4_BLOCK_SIZE; + nbytes -= nblocks * SM4_BLOCK_SIZE; + } + + kernel_fpu_end(); + + /* tail */ + if (walk.nbytes == walk.total && nbytes > 0) { + u8 keystream[SM4_BLOCK_SIZE]; + + sm4_crypt_block(ctx->rkey_enc, keystream, walk.iv); + crypto_xor_cpy(dst, src, keystream, nbytes); + nbytes = 0; + } + + err = skcipher_walk_done(&walk, nbytes); + } + + return err; +} +EXPORT_SYMBOL_GPL(sm4_avx_cfb_decrypt); + +static int cfb_decrypt(struct skcipher_request *req) +{ + return sm4_avx_cfb_decrypt(req, SM4_CRYPT8_BLOCK_SIZE, + sm4_aesni_avx_cfb_dec_blk8); +} + +int sm4_avx_ctr_crypt(struct skcipher_request *req, + unsigned int bsize, sm4_crypt_func func) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; + unsigned int nbytes; + int err; + + err = skcipher_walk_virt(&walk, req, false); + + while ((nbytes = walk.nbytes) > 0) { + const u8 *src = walk.src.virt.addr; + u8 *dst = walk.dst.virt.addr; + + kernel_fpu_begin(); + + while (nbytes >= bsize) { + func(ctx->rkey_enc, dst, src, walk.iv); + dst += bsize; + src += bsize; + nbytes -= bsize; + } + + while (nbytes >= SM4_BLOCK_SIZE) { + u8 keystream[SM4_BLOCK_SIZE * 8]; + unsigned int nblocks = min(nbytes >> 4, 8u); + int i; + + for (i = 0; i < nblocks; i++) { + memcpy(&keystream[i * SM4_BLOCK_SIZE], + walk.iv, SM4_BLOCK_SIZE); + crypto_inc(walk.iv, SM4_BLOCK_SIZE); + } + sm4_aesni_avx_crypt8(ctx->rkey_enc, keystream, + keystream, nblocks); + + crypto_xor_cpy(dst, src, keystream, + nblocks * SM4_BLOCK_SIZE); + dst += nblocks * SM4_BLOCK_SIZE; + src += nblocks * SM4_BLOCK_SIZE; + nbytes -= nblocks * SM4_BLOCK_SIZE; + } + + kernel_fpu_end(); + + /* tail */ + if (walk.nbytes == walk.total && nbytes > 0) { + u8 keystream[SM4_BLOCK_SIZE]; + + memcpy(keystream, walk.iv, SM4_BLOCK_SIZE); + crypto_inc(walk.iv, SM4_BLOCK_SIZE); + + sm4_crypt_block(ctx->rkey_enc, keystream, keystream); + + crypto_xor_cpy(dst, src, keystream, nbytes); + dst += nbytes; + src += nbytes; + nbytes = 0; + } + + err = skcipher_walk_done(&walk, nbytes); + } + + return err; +} +EXPORT_SYMBOL_GPL(sm4_avx_ctr_crypt); + +static int ctr_crypt(struct skcipher_request *req) +{ + return sm4_avx_ctr_crypt(req, SM4_CRYPT8_BLOCK_SIZE, + sm4_aesni_avx_ctr_enc_blk8); +} + +static struct skcipher_alg sm4_aesni_avx_skciphers[] = { + { + .base = { + .cra_name = "__ecb(sm4)", + .cra_driver_name = "__ecb-sm4-aesni-avx", + .cra_priority = 400, + .cra_flags = CRYPTO_ALG_INTERNAL, + .cra_blocksize = SM4_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sm4_ctx), + .cra_module = THIS_MODULE, + }, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .walksize = 8 * SM4_BLOCK_SIZE, + .setkey = sm4_skcipher_setkey, + .encrypt = sm4_avx_ecb_encrypt, + .decrypt = sm4_avx_ecb_decrypt, + }, { + .base = { + .cra_name = "__cbc(sm4)", + .cra_driver_name = "__cbc-sm4-aesni-avx", + .cra_priority = 400, + .cra_flags = CRYPTO_ALG_INTERNAL, + .cra_blocksize = SM4_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sm4_ctx), + .cra_module = THIS_MODULE, + }, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + .walksize = 8 * SM4_BLOCK_SIZE, + .setkey = sm4_skcipher_setkey, + .encrypt = sm4_cbc_encrypt, + .decrypt = cbc_decrypt, + }, { + .base = { + .cra_name = "__cfb(sm4)", + .cra_driver_name = "__cfb-sm4-aesni-avx", + .cra_priority = 400, + .cra_flags = CRYPTO_ALG_INTERNAL, + .cra_blocksize = 1, + .cra_ctxsize = sizeof(struct sm4_ctx), + .cra_module = THIS_MODULE, + }, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + .chunksize = SM4_BLOCK_SIZE, + .walksize = 8 * SM4_BLOCK_SIZE, + .setkey = sm4_skcipher_setkey, + .encrypt = sm4_cfb_encrypt, + .decrypt = cfb_decrypt, + }, { + .base = { + .cra_name = "__ctr(sm4)", + .cra_driver_name = "__ctr-sm4-aesni-avx", + .cra_priority = 400, + .cra_flags = CRYPTO_ALG_INTERNAL, + .cra_blocksize = 1, + .cra_ctxsize = sizeof(struct sm4_ctx), + .cra_module = THIS_MODULE, + }, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + .chunksize = SM4_BLOCK_SIZE, + .walksize = 8 * SM4_BLOCK_SIZE, + .setkey = sm4_skcipher_setkey, + .encrypt = ctr_crypt, + .decrypt = ctr_crypt, + } +}; + +static struct simd_skcipher_alg * +simd_sm4_aesni_avx_skciphers[ARRAY_SIZE(sm4_aesni_avx_skciphers)]; + +static int __init sm4_init(void) +{ + const char *feature_name; + + if (!boot_cpu_has(X86_FEATURE_AVX) || + !boot_cpu_has(X86_FEATURE_AES) || + !boot_cpu_has(X86_FEATURE_OSXSAVE)) { + pr_info("AVX or AES-NI instructions are not detected.\n"); + return -ENODEV; + } + + if (!cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, + &feature_name)) { + pr_info("CPU feature '%s' is not supported.\n", feature_name); + return -ENODEV; + } + + return simd_register_skciphers_compat(sm4_aesni_avx_skciphers, + ARRAY_SIZE(sm4_aesni_avx_skciphers), + simd_sm4_aesni_avx_skciphers); +} + +static void __exit sm4_exit(void) +{ + simd_unregister_skciphers(sm4_aesni_avx_skciphers, + ARRAY_SIZE(sm4_aesni_avx_skciphers), + simd_sm4_aesni_avx_skciphers); +} + +module_init(sm4_init); +module_exit(sm4_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Tianjia Zhang <tianjia.zhang@linux.alibaba.com>"); +MODULE_DESCRIPTION("SM4 Cipher Algorithm, AES-NI/AVX optimized"); +MODULE_ALIAS_CRYPTO("sm4"); +MODULE_ALIAS_CRYPTO("sm4-aesni-avx"); diff --git a/arch/x86/events/Kconfig b/arch/x86/events/Kconfig index 39d9ded9e25a..d6cdfe631674 100644 --- a/arch/x86/events/Kconfig +++ b/arch/x86/events/Kconfig @@ -34,4 +34,14 @@ config PERF_EVENTS_AMD_POWER (CPUID Fn8000_0007_EDX[12]) interface to calculate the average power consumption on Family 15h processors. +config PERF_EVENTS_AMD_UNCORE + tristate "AMD Uncore performance events" + depends on PERF_EVENTS && CPU_SUP_AMD + default y + help + Include support for AMD uncore performance events for use with + e.g., perf stat -e amd_l3/.../,amd_df/.../. + + To compile this driver as a module, choose M here: the + module will be called 'amd-uncore'. endmenu diff --git a/arch/x86/events/amd/Makefile b/arch/x86/events/amd/Makefile index fe8795a67385..6cbe38d5fd9d 100644 --- a/arch/x86/events/amd/Makefile +++ b/arch/x86/events/amd/Makefile @@ -1,8 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_CPU_SUP_AMD) += core.o uncore.o +obj-$(CONFIG_CPU_SUP_AMD) += core.o obj-$(CONFIG_PERF_EVENTS_AMD_POWER) += power.o obj-$(CONFIG_X86_LOCAL_APIC) += ibs.o +obj-$(CONFIG_PERF_EVENTS_AMD_UNCORE) += amd-uncore.o +amd-uncore-objs := uncore.o ifdef CONFIG_AMD_IOMMU obj-$(CONFIG_CPU_SUP_AMD) += iommu.o endif - diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c index 40669eac9d6d..9739019d4b67 100644 --- a/arch/x86/events/amd/ibs.c +++ b/arch/x86/events/amd/ibs.c @@ -26,6 +26,7 @@ static u32 ibs_caps; #include <linux/hardirq.h> #include <asm/nmi.h> +#include <asm/amd-ibs.h> #define IBS_FETCH_CONFIG_MASK (IBS_FETCH_RAND_EN | IBS_FETCH_MAX_CNT) #define IBS_OP_CONFIG_MASK IBS_OP_MAX_CNT @@ -90,6 +91,7 @@ struct perf_ibs { unsigned long offset_mask[1]; int offset_max; unsigned int fetch_count_reset_broken : 1; + unsigned int fetch_ignore_if_zero_rip : 1; struct cpu_perf_ibs __percpu *pcpu; struct attribute **format_attrs; @@ -99,15 +101,6 @@ struct perf_ibs { u64 (*get_count)(u64 config); }; -struct perf_ibs_data { - u32 size; - union { - u32 data[0]; /* data buffer starts here */ - u32 caps; - }; - u64 regs[MSR_AMD64_IBS_REG_COUNT_MAX]; -}; - static int perf_event_set_period(struct hw_perf_event *hwc, u64 min, u64 max, u64 *hw_period) { @@ -328,11 +321,14 @@ static int perf_ibs_set_period(struct perf_ibs *perf_ibs, static u64 get_ibs_fetch_count(u64 config) { - return (config & IBS_FETCH_CNT) >> 12; + union ibs_fetch_ctl fetch_ctl = (union ibs_fetch_ctl)config; + + return fetch_ctl.fetch_cnt << 4; } static u64 get_ibs_op_count(u64 config) { + union ibs_op_ctl op_ctl = (union ibs_op_ctl)config; u64 count = 0; /* @@ -340,12 +336,12 @@ static u64 get_ibs_op_count(u64 config) * and the lower 7 bits of CurCnt are randomized. * Otherwise CurCnt has the full 27-bit current counter value. */ - if (config & IBS_OP_VAL) { - count = (config & IBS_OP_MAX_CNT) << 4; + if (op_ctl.op_val) { + count = op_ctl.opmaxcnt << 4; if (ibs_caps & IBS_CAPS_OPCNTEXT) - count += config & IBS_OP_MAX_CNT_EXT_MASK; + count += op_ctl.opmaxcnt_ext << 20; } else if (ibs_caps & IBS_CAPS_RDWROPCNT) { - count = (config & IBS_OP_CUR_CNT) >> 32; + count = op_ctl.opcurcnt; } return count; @@ -570,6 +566,7 @@ static struct perf_ibs perf_ibs_op = { .start = perf_ibs_start, .stop = perf_ibs_stop, .read = perf_ibs_read, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }, .msr = MSR_AMD64_IBSOPCTL, .config_mask = IBS_OP_CONFIG_MASK, @@ -672,6 +669,10 @@ fail: if (check_rip && (ibs_data.regs[2] & IBS_RIP_INVALID)) { regs.flags &= ~PERF_EFLAGS_EXACT; } else { + /* Workaround for erratum #1197 */ + if (perf_ibs->fetch_ignore_if_zero_rip && !(ibs_data.regs[1])) + goto out; + set_linear_ip(®s, ibs_data.regs[1]); regs.flags |= PERF_EFLAGS_EXACT; } @@ -769,6 +770,9 @@ static __init void perf_event_ibs_init(void) if (boot_cpu_data.x86 >= 0x16 && boot_cpu_data.x86 <= 0x18) perf_ibs_fetch.fetch_count_reset_broken = 1; + if (boot_cpu_data.x86 == 0x19 && boot_cpu_data.x86_model < 0x10) + perf_ibs_fetch.fetch_ignore_if_zero_rip = 1; + perf_ibs_pmu_init(&perf_ibs_fetch, "ibs_fetch"); if (ibs_caps & IBS_CAPS_OPCNT) { diff --git a/arch/x86/events/amd/power.c b/arch/x86/events/amd/power.c index 16a2369c586e..37d5b380516e 100644 --- a/arch/x86/events/amd/power.c +++ b/arch/x86/events/amd/power.c @@ -213,6 +213,7 @@ static struct pmu pmu_class = { .stop = pmu_event_stop, .read = pmu_event_read, .capabilities = PERF_PMU_CAP_NO_EXCLUDE, + .module = THIS_MODULE, }; static int power_cpu_exit(unsigned int cpu) diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c index 582c0ffb5e98..0d04414b97d2 100644 --- a/arch/x86/events/amd/uncore.c +++ b/arch/x86/events/amd/uncore.c @@ -12,11 +12,11 @@ #include <linux/init.h> #include <linux/cpu.h> #include <linux/cpumask.h> +#include <linux/cpufeature.h> +#include <linux/smp.h> -#include <asm/cpufeature.h> #include <asm/perf_event.h> #include <asm/msr.h> -#include <asm/smp.h> #define NUM_COUNTERS_NB 4 #define NUM_COUNTERS_L2 4 @@ -347,6 +347,7 @@ static struct pmu amd_nb_pmu = { .stop = amd_uncore_stop, .read = amd_uncore_read, .capabilities = PERF_PMU_CAP_NO_EXCLUDE | PERF_PMU_CAP_NO_INTERRUPT, + .module = THIS_MODULE, }; static struct pmu amd_llc_pmu = { @@ -360,6 +361,7 @@ static struct pmu amd_llc_pmu = { .stop = amd_uncore_stop, .read = amd_uncore_read, .capabilities = PERF_PMU_CAP_NO_EXCLUDE | PERF_PMU_CAP_NO_INTERRUPT, + .module = THIS_MODULE, }; static struct amd_uncore *amd_uncore_alloc(unsigned int cpu) @@ -452,7 +454,7 @@ static int amd_uncore_cpu_starting(unsigned int cpu) if (amd_uncore_llc) { uncore = *per_cpu_ptr(amd_uncore_llc, cpu); - uncore->id = per_cpu(cpu_llc_id, cpu); + uncore->id = get_llc_id(cpu); uncore = amd_uncore_find_online_sibling(uncore, amd_uncore_llc); *per_cpu_ptr(amd_uncore_llc, cpu) = uncore; @@ -659,12 +661,34 @@ fail_prep: fail_llc: if (boot_cpu_has(X86_FEATURE_PERFCTR_NB)) perf_pmu_unregister(&amd_nb_pmu); - if (amd_uncore_llc) - free_percpu(amd_uncore_llc); + free_percpu(amd_uncore_llc); fail_nb: - if (amd_uncore_nb) - free_percpu(amd_uncore_nb); + free_percpu(amd_uncore_nb); return ret; } -device_initcall(amd_uncore_init); + +static void __exit amd_uncore_exit(void) +{ + cpuhp_remove_state(CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE); + cpuhp_remove_state(CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING); + cpuhp_remove_state(CPUHP_PERF_X86_AMD_UNCORE_PREP); + + if (boot_cpu_has(X86_FEATURE_PERFCTR_LLC)) { + perf_pmu_unregister(&amd_llc_pmu); + free_percpu(amd_uncore_llc); + amd_uncore_llc = NULL; + } + + if (boot_cpu_has(X86_FEATURE_PERFCTR_NB)) { + perf_pmu_unregister(&amd_nb_pmu); + free_percpu(amd_uncore_nb); + amd_uncore_nb = NULL; + } +} + +module_init(amd_uncore_init); +module_exit(amd_uncore_exit); + +MODULE_DESCRIPTION("AMD Uncore Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 1eb45139fcc6..2a57dbed4894 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -1087,10 +1087,8 @@ int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign) * validate an event group (assign == NULL) */ if (!unsched && assign) { - for (i = 0; i < n; i++) { - e = cpuc->event_list[i]; + for (i = 0; i < n; i++) static_call_cond(x86_pmu_commit_scheduling)(cpuc, i, assign[i]); - } } else { for (i = n0; i < n; i++) { e = cpuc->event_list[i]; @@ -2489,13 +2487,15 @@ void perf_clear_dirty_counters(void) return; for_each_set_bit(i, cpuc->dirty, X86_PMC_IDX_MAX) { - /* Metrics and fake events don't have corresponding HW counters. */ - if (is_metric_idx(i) || (i == INTEL_PMC_IDX_FIXED_VLBR)) - continue; - else if (i >= INTEL_PMC_IDX_FIXED) + if (i >= INTEL_PMC_IDX_FIXED) { + /* Metrics and fake events don't have corresponding HW counters. */ + if ((i - INTEL_PMC_IDX_FIXED) >= hybrid(cpuc->pmu, num_counters_fixed)) + continue; + wrmsrl(MSR_ARCH_PERFMON_FIXED_CTR0 + (i - INTEL_PMC_IDX_FIXED), 0); - else + } else { wrmsrl(x86_pmu_event_addr(i), 0); + } } bitmap_zero(cpuc->dirty, X86_PMC_IDX_MAX); diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index fca7a6e2242f..7011e87be6d0 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -2904,24 +2904,28 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status) */ static int intel_pmu_handle_irq(struct pt_regs *regs) { - struct cpu_hw_events *cpuc; + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + bool late_ack = hybrid_bit(cpuc->pmu, late_ack); + bool mid_ack = hybrid_bit(cpuc->pmu, mid_ack); int loops; u64 status; int handled; int pmu_enabled; - cpuc = this_cpu_ptr(&cpu_hw_events); - /* * Save the PMU state. * It needs to be restored when leaving the handler. */ pmu_enabled = cpuc->enabled; /* - * No known reason to not always do late ACK, - * but just in case do it opt-in. + * In general, the early ACK is only applied for old platforms. + * For the big core starts from Haswell, the late ACK should be + * applied. + * For the small core after Tremont, we have to do the ACK right + * before re-enabling counters, which is in the middle of the + * NMI handler. */ - if (!x86_pmu.late_ack) + if (!late_ack && !mid_ack) apic_write(APIC_LVTPC, APIC_DM_NMI); intel_bts_disable_local(); cpuc->enabled = 0; @@ -2958,6 +2962,8 @@ again: goto again; done: + if (mid_ack) + apic_write(APIC_LVTPC, APIC_DM_NMI); /* Only restore PMU state when it's active. See x86_pmu_disable(). */ cpuc->enabled = pmu_enabled; if (pmu_enabled) @@ -2969,7 +2975,7 @@ done: * have been reset. This avoids spurious NMIs on * Haswell CPUs. */ - if (x86_pmu.late_ack) + if (late_ack) apic_write(APIC_LVTPC, APIC_DM_NMI); return handled; } @@ -5026,9 +5032,9 @@ static ssize_t freeze_on_smi_store(struct device *cdev, x86_pmu.attr_freeze_on_smi = val; - get_online_cpus(); + cpus_read_lock(); on_each_cpu(flip_smm_bit, &val, 1); - put_online_cpus(); + cpus_read_unlock(); done: mutex_unlock(&freeze_on_smi_mutex); @@ -5071,9 +5077,9 @@ static ssize_t set_sysctl_tfa(struct device *cdev, allow_tsx_force_abort = val; - get_online_cpus(); + cpus_read_lock(); on_each_cpu(update_tfa_sched, NULL, 1); - put_online_cpus(); + cpus_read_unlock(); return count; } @@ -6129,7 +6135,6 @@ __init int intel_pmu_init(void) static_branch_enable(&perf_is_hybrid); x86_pmu.num_hybrid_pmus = X86_HYBRID_NUM_PMUS; - x86_pmu.late_ack = true; x86_pmu.pebs_aliases = NULL; x86_pmu.pebs_prec_dist = true; x86_pmu.pebs_block = true; @@ -6167,6 +6172,7 @@ __init int intel_pmu_init(void) pmu = &x86_pmu.hybrid_pmu[X86_HYBRID_PMU_CORE_IDX]; pmu->name = "cpu_core"; pmu->cpu_type = hybrid_big; + pmu->late_ack = true; if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU)) { pmu->num_counters = x86_pmu.num_counters + 2; pmu->num_counters_fixed = x86_pmu.num_counters_fixed + 1; @@ -6192,6 +6198,7 @@ __init int intel_pmu_init(void) pmu = &x86_pmu.hybrid_pmu[X86_HYBRID_PMU_ATOM_IDX]; pmu->name = "cpu_atom"; pmu->cpu_type = hybrid_small; + pmu->mid_ack = true; pmu->num_counters = x86_pmu.num_counters; pmu->num_counters_fixed = x86_pmu.num_counters_fixed; pmu->max_pebs_events = x86_pmu.max_pebs_events; diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 915847655c06..7f406c14715f 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -62,7 +62,7 @@ static struct pt_cap_desc { PT_CAP(single_range_output, 0, CPUID_ECX, BIT(2)), PT_CAP(output_subsys, 0, CPUID_ECX, BIT(3)), PT_CAP(payloads_lip, 0, CPUID_ECX, BIT(31)), - PT_CAP(num_address_ranges, 1, CPUID_EAX, 0x3), + PT_CAP(num_address_ranges, 1, CPUID_EAX, 0x7), PT_CAP(mtc_periods, 1, CPUID_EAX, 0xffff0000), PT_CAP(cycle_thresholds, 1, CPUID_EBX, 0xffff), PT_CAP(psb_periods, 1, CPUID_EBX, 0xffff0000), @@ -1708,7 +1708,7 @@ static __init int pt_init(void) if (!boot_cpu_has(X86_FEATURE_INTEL_PT)) return -ENODEV; - get_online_cpus(); + cpus_read_lock(); for_each_online_cpu(cpu) { u64 ctl; @@ -1716,7 +1716,7 @@ static __init int pt_init(void) if (!ret && (ctl & RTIT_CTL_TRACEEN)) prior_warn++; } - put_online_cpus(); + cpus_read_unlock(); if (prior_warn) { x86_add_exclusive(x86_lbr_exclusive_pt); diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index 9bf4dbbc26e2..c72e368dd164 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -842,6 +842,18 @@ static const struct attribute_group uncore_pmu_attr_group = { .attrs = uncore_pmu_attrs, }; +void uncore_get_alias_name(char *pmu_name, struct intel_uncore_pmu *pmu) +{ + struct intel_uncore_type *type = pmu->type; + + if (type->num_boxes == 1) + sprintf(pmu_name, "uncore_type_%u", type->type_id); + else { + sprintf(pmu_name, "uncore_type_%u_%d", + type->type_id, type->box_ids[pmu->pmu_idx]); + } +} + static void uncore_get_pmu_name(struct intel_uncore_pmu *pmu) { struct intel_uncore_type *type = pmu->type; @@ -851,12 +863,7 @@ static void uncore_get_pmu_name(struct intel_uncore_pmu *pmu) * Use uncore_type_&typeid_&boxid as name. */ if (!type->name) { - if (type->num_boxes == 1) - sprintf(pmu->name, "uncore_type_%u", type->type_id); - else { - sprintf(pmu->name, "uncore_type_%u_%d", - type->type_id, type->box_ids[pmu->pmu_idx]); - } + uncore_get_alias_name(pmu->name, pmu); return; } @@ -865,9 +872,13 @@ static void uncore_get_pmu_name(struct intel_uncore_pmu *pmu) sprintf(pmu->name, "uncore_%s", type->name); else sprintf(pmu->name, "uncore"); - } else - sprintf(pmu->name, "uncore_%s_%d", type->name, pmu->pmu_idx); - + } else { + /* + * Use the box ID from the discovery table if applicable. + */ + sprintf(pmu->name, "uncore_%s_%d", type->name, + type->box_ids ? type->box_ids[pmu->pmu_idx] : pmu->pmu_idx); + } } static int uncore_pmu_register(struct intel_uncore_pmu *pmu) @@ -1663,6 +1674,7 @@ struct intel_uncore_init_fun { void (*cpu_init)(void); int (*pci_init)(void); void (*mmio_init)(void); + bool use_discovery; }; static const struct intel_uncore_init_fun nhm_uncore_init __initconst = { @@ -1765,6 +1777,13 @@ static const struct intel_uncore_init_fun snr_uncore_init __initconst = { .mmio_init = snr_uncore_mmio_init, }; +static const struct intel_uncore_init_fun spr_uncore_init __initconst = { + .cpu_init = spr_uncore_cpu_init, + .pci_init = spr_uncore_pci_init, + .mmio_init = spr_uncore_mmio_init, + .use_discovery = true, +}; + static const struct intel_uncore_init_fun generic_uncore_init __initconst = { .cpu_init = intel_uncore_generic_uncore_cpu_init, .pci_init = intel_uncore_generic_uncore_pci_init, @@ -1809,6 +1828,7 @@ static const struct x86_cpu_id intel_uncore_match[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(ROCKETLAKE, &rkl_uncore_init), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &adl_uncore_init), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &adl_uncore_init), + X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &spr_uncore_init), X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, &snr_uncore_init), {}, }; @@ -1832,8 +1852,13 @@ static int __init intel_uncore_init(void) uncore_init = (struct intel_uncore_init_fun *)&generic_uncore_init; else return -ENODEV; - } else + } else { uncore_init = (struct intel_uncore_init_fun *)id->driver_data; + if (uncore_no_discover && uncore_init->use_discovery) + return -ENODEV; + if (uncore_init->use_discovery && !intel_uncore_has_discovery_tables()) + return -ENODEV; + } if (uncore_init->pci_init) { pret = uncore_init->pci_init(); diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h index 187d7287039c..b9687980aab6 100644 --- a/arch/x86/events/intel/uncore.h +++ b/arch/x86/events/intel/uncore.h @@ -561,6 +561,7 @@ struct event_constraint * uncore_get_constraint(struct intel_uncore_box *box, struct perf_event *event); void uncore_put_constraint(struct intel_uncore_box *box, struct perf_event *event); u64 uncore_shared_reg_config(struct intel_uncore_box *box, int idx); +void uncore_get_alias_name(char *pmu_name, struct intel_uncore_pmu *pmu); extern struct intel_uncore_type *empty_uncore[]; extern struct intel_uncore_type **uncore_msr_uncores; @@ -608,6 +609,9 @@ void snr_uncore_mmio_init(void); int icx_uncore_pci_init(void); void icx_uncore_cpu_init(void); void icx_uncore_mmio_init(void); +int spr_uncore_pci_init(void); +void spr_uncore_cpu_init(void); +void spr_uncore_mmio_init(void); /* uncore_nhmex.c */ void nhmex_uncore_cpu_init(void); diff --git a/arch/x86/events/intel/uncore_discovery.c b/arch/x86/events/intel/uncore_discovery.c index aba9bff95413..3049c646fa20 100644 --- a/arch/x86/events/intel/uncore_discovery.c +++ b/arch/x86/events/intel/uncore_discovery.c @@ -337,17 +337,17 @@ static const struct attribute_group generic_uncore_format_group = { .attrs = generic_uncore_formats_attr, }; -static void intel_generic_uncore_msr_init_box(struct intel_uncore_box *box) +void intel_generic_uncore_msr_init_box(struct intel_uncore_box *box) { wrmsrl(uncore_msr_box_ctl(box), GENERIC_PMON_BOX_CTL_INT); } -static void intel_generic_uncore_msr_disable_box(struct intel_uncore_box *box) +void intel_generic_uncore_msr_disable_box(struct intel_uncore_box *box) { wrmsrl(uncore_msr_box_ctl(box), GENERIC_PMON_BOX_CTL_FRZ); } -static void intel_generic_uncore_msr_enable_box(struct intel_uncore_box *box) +void intel_generic_uncore_msr_enable_box(struct intel_uncore_box *box) { wrmsrl(uncore_msr_box_ctl(box), 0); } @@ -377,7 +377,7 @@ static struct intel_uncore_ops generic_uncore_msr_ops = { .read_counter = uncore_msr_read_counter, }; -static void intel_generic_uncore_pci_init_box(struct intel_uncore_box *box) +void intel_generic_uncore_pci_init_box(struct intel_uncore_box *box) { struct pci_dev *pdev = box->pci_dev; int box_ctl = uncore_pci_box_ctl(box); @@ -386,7 +386,7 @@ static void intel_generic_uncore_pci_init_box(struct intel_uncore_box *box) pci_write_config_dword(pdev, box_ctl, GENERIC_PMON_BOX_CTL_INT); } -static void intel_generic_uncore_pci_disable_box(struct intel_uncore_box *box) +void intel_generic_uncore_pci_disable_box(struct intel_uncore_box *box) { struct pci_dev *pdev = box->pci_dev; int box_ctl = uncore_pci_box_ctl(box); @@ -394,7 +394,7 @@ static void intel_generic_uncore_pci_disable_box(struct intel_uncore_box *box) pci_write_config_dword(pdev, box_ctl, GENERIC_PMON_BOX_CTL_FRZ); } -static void intel_generic_uncore_pci_enable_box(struct intel_uncore_box *box) +void intel_generic_uncore_pci_enable_box(struct intel_uncore_box *box) { struct pci_dev *pdev = box->pci_dev; int box_ctl = uncore_pci_box_ctl(box); @@ -411,8 +411,8 @@ static void intel_generic_uncore_pci_enable_event(struct intel_uncore_box *box, pci_write_config_dword(pdev, hwc->config_base, hwc->config); } -static void intel_generic_uncore_pci_disable_event(struct intel_uncore_box *box, - struct perf_event *event) +void intel_generic_uncore_pci_disable_event(struct intel_uncore_box *box, + struct perf_event *event) { struct pci_dev *pdev = box->pci_dev; struct hw_perf_event *hwc = &event->hw; @@ -420,8 +420,8 @@ static void intel_generic_uncore_pci_disable_event(struct intel_uncore_box *box, pci_write_config_dword(pdev, hwc->config_base, 0); } -static u64 intel_generic_uncore_pci_read_counter(struct intel_uncore_box *box, - struct perf_event *event) +u64 intel_generic_uncore_pci_read_counter(struct intel_uncore_box *box, + struct perf_event *event) { struct pci_dev *pdev = box->pci_dev; struct hw_perf_event *hwc = &event->hw; @@ -454,7 +454,7 @@ static unsigned int generic_uncore_mmio_box_ctl(struct intel_uncore_box *box) return type->box_ctls[box->dieid] + type->mmio_offsets[box->pmu->pmu_idx]; } -static void intel_generic_uncore_mmio_init_box(struct intel_uncore_box *box) +void intel_generic_uncore_mmio_init_box(struct intel_uncore_box *box) { unsigned int box_ctl = generic_uncore_mmio_box_ctl(box); struct intel_uncore_type *type = box->pmu->type; @@ -478,7 +478,7 @@ static void intel_generic_uncore_mmio_init_box(struct intel_uncore_box *box) writel(GENERIC_PMON_BOX_CTL_INT, box->io_addr); } -static void intel_generic_uncore_mmio_disable_box(struct intel_uncore_box *box) +void intel_generic_uncore_mmio_disable_box(struct intel_uncore_box *box) { if (!box->io_addr) return; @@ -486,7 +486,7 @@ static void intel_generic_uncore_mmio_disable_box(struct intel_uncore_box *box) writel(GENERIC_PMON_BOX_CTL_FRZ, box->io_addr); } -static void intel_generic_uncore_mmio_enable_box(struct intel_uncore_box *box) +void intel_generic_uncore_mmio_enable_box(struct intel_uncore_box *box) { if (!box->io_addr) return; @@ -505,8 +505,8 @@ static void intel_generic_uncore_mmio_enable_event(struct intel_uncore_box *box, writel(hwc->config, box->io_addr + hwc->config_base); } -static void intel_generic_uncore_mmio_disable_event(struct intel_uncore_box *box, - struct perf_event *event) +void intel_generic_uncore_mmio_disable_event(struct intel_uncore_box *box, + struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; @@ -568,8 +568,8 @@ static bool uncore_update_uncore_type(enum uncore_access_type type_id, return true; } -static struct intel_uncore_type ** -intel_uncore_generic_init_uncores(enum uncore_access_type type_id) +struct intel_uncore_type ** +intel_uncore_generic_init_uncores(enum uncore_access_type type_id, int num_extra) { struct intel_uncore_discovery_type *type; struct intel_uncore_type **uncores; @@ -577,7 +577,7 @@ intel_uncore_generic_init_uncores(enum uncore_access_type type_id) struct rb_node *node; int i = 0; - uncores = kcalloc(num_discovered_types[type_id] + 1, + uncores = kcalloc(num_discovered_types[type_id] + num_extra + 1, sizeof(struct intel_uncore_type *), GFP_KERNEL); if (!uncores) return empty_uncore; @@ -606,17 +606,17 @@ intel_uncore_generic_init_uncores(enum uncore_access_type type_id) void intel_uncore_generic_uncore_cpu_init(void) { - uncore_msr_uncores = intel_uncore_generic_init_uncores(UNCORE_ACCESS_MSR); + uncore_msr_uncores = intel_uncore_generic_init_uncores(UNCORE_ACCESS_MSR, 0); } int intel_uncore_generic_uncore_pci_init(void) { - uncore_pci_uncores = intel_uncore_generic_init_uncores(UNCORE_ACCESS_PCI); + uncore_pci_uncores = intel_uncore_generic_init_uncores(UNCORE_ACCESS_PCI, 0); return 0; } void intel_uncore_generic_uncore_mmio_init(void) { - uncore_mmio_uncores = intel_uncore_generic_init_uncores(UNCORE_ACCESS_MMIO); + uncore_mmio_uncores = intel_uncore_generic_init_uncores(UNCORE_ACCESS_MMIO, 0); } diff --git a/arch/x86/events/intel/uncore_discovery.h b/arch/x86/events/intel/uncore_discovery.h index 1d652939a01c..7280c8a3c831 100644 --- a/arch/x86/events/intel/uncore_discovery.h +++ b/arch/x86/events/intel/uncore_discovery.h @@ -129,3 +129,24 @@ void intel_uncore_clear_discovery_tables(void); void intel_uncore_generic_uncore_cpu_init(void); int intel_uncore_generic_uncore_pci_init(void); void intel_uncore_generic_uncore_mmio_init(void); + +void intel_generic_uncore_msr_init_box(struct intel_uncore_box *box); +void intel_generic_uncore_msr_disable_box(struct intel_uncore_box *box); +void intel_generic_uncore_msr_enable_box(struct intel_uncore_box *box); + +void intel_generic_uncore_mmio_init_box(struct intel_uncore_box *box); +void intel_generic_uncore_mmio_disable_box(struct intel_uncore_box *box); +void intel_generic_uncore_mmio_enable_box(struct intel_uncore_box *box); +void intel_generic_uncore_mmio_disable_event(struct intel_uncore_box *box, + struct perf_event *event); + +void intel_generic_uncore_pci_init_box(struct intel_uncore_box *box); +void intel_generic_uncore_pci_disable_box(struct intel_uncore_box *box); +void intel_generic_uncore_pci_enable_box(struct intel_uncore_box *box); +void intel_generic_uncore_pci_disable_event(struct intel_uncore_box *box, + struct perf_event *event); +u64 intel_generic_uncore_pci_read_counter(struct intel_uncore_box *box, + struct perf_event *event); + +struct intel_uncore_type ** +intel_uncore_generic_init_uncores(enum uncore_access_type type_id, int num_extra); diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index 609c24aec71a..5ddc0f30db6f 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* SandyBridge-EP/IvyTown uncore support */ #include "uncore.h" +#include "uncore_discovery.h" /* SNB-EP pci bus to socket mapping */ #define SNBEP_CPUNODEID 0x40 @@ -454,6 +455,17 @@ #define ICX_NUMBER_IMC_CHN 2 #define ICX_IMC_MEM_STRIDE 0x4 +/* SPR */ +#define SPR_RAW_EVENT_MASK_EXT 0xffffff + +/* SPR CHA */ +#define SPR_CHA_PMON_CTL_TID_EN (1 << 16) +#define SPR_CHA_PMON_EVENT_MASK (SNBEP_PMON_RAW_EVENT_MASK | \ + SPR_CHA_PMON_CTL_TID_EN) +#define SPR_CHA_PMON_BOX_FILTER_TID 0x3ff + +#define SPR_C0_MSR_PMON_BOX_FILTER0 0x200e + DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7"); DEFINE_UNCORE_FORMAT_ATTR(event2, event, "config:0-6"); DEFINE_UNCORE_FORMAT_ATTR(event_ext, event, "config:0-7,21"); @@ -466,6 +478,7 @@ DEFINE_UNCORE_FORMAT_ATTR(umask_ext4, umask, "config:8-15,32-55"); DEFINE_UNCORE_FORMAT_ATTR(qor, qor, "config:16"); DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18"); DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19"); +DEFINE_UNCORE_FORMAT_ATTR(tid_en2, tid_en, "config:16"); DEFINE_UNCORE_FORMAT_ATTR(inv, inv, "config:23"); DEFINE_UNCORE_FORMAT_ATTR(thresh9, thresh, "config:24-35"); DEFINE_UNCORE_FORMAT_ATTR(thresh8, thresh, "config:24-31"); @@ -3838,26 +3851,32 @@ clear_attr_update: return ret; } -static int skx_iio_set_mapping(struct intel_uncore_type *type) -{ - return pmu_iio_set_mapping(type, &skx_iio_mapping_group); -} - -static void skx_iio_cleanup_mapping(struct intel_uncore_type *type) +static void +pmu_iio_cleanup_mapping(struct intel_uncore_type *type, struct attribute_group *ag) { - struct attribute **attr = skx_iio_mapping_group.attrs; + struct attribute **attr = ag->attrs; if (!attr) return; for (; *attr; attr++) kfree((*attr)->name); - kfree(attr_to_ext_attr(*skx_iio_mapping_group.attrs)); - kfree(skx_iio_mapping_group.attrs); - skx_iio_mapping_group.attrs = NULL; + kfree(attr_to_ext_attr(*ag->attrs)); + kfree(ag->attrs); + ag->attrs = NULL; kfree(type->topology); } +static int skx_iio_set_mapping(struct intel_uncore_type *type) +{ + return pmu_iio_set_mapping(type, &skx_iio_mapping_group); +} + +static void skx_iio_cleanup_mapping(struct intel_uncore_type *type) +{ + pmu_iio_cleanup_mapping(type, &skx_iio_mapping_group); +} + static struct intel_uncore_type skx_uncore_iio = { .name = "iio", .num_counters = 4, @@ -4501,6 +4520,11 @@ static int snr_iio_set_mapping(struct intel_uncore_type *type) return pmu_iio_set_mapping(type, &snr_iio_mapping_group); } +static void snr_iio_cleanup_mapping(struct intel_uncore_type *type) +{ + pmu_iio_cleanup_mapping(type, &snr_iio_mapping_group); +} + static struct intel_uncore_type snr_uncore_iio = { .name = "iio", .num_counters = 4, @@ -4517,7 +4541,7 @@ static struct intel_uncore_type snr_uncore_iio = { .attr_update = snr_iio_attr_update, .get_topology = snr_iio_get_topology, .set_mapping = snr_iio_set_mapping, - .cleanup_mapping = skx_iio_cleanup_mapping, + .cleanup_mapping = snr_iio_cleanup_mapping, }; static struct intel_uncore_type snr_uncore_irp = { @@ -4783,13 +4807,15 @@ int snr_uncore_pci_init(void) return 0; } -static struct pci_dev *snr_uncore_get_mc_dev(int id) +#define SNR_MC_DEVICE_ID 0x3451 + +static struct pci_dev *snr_uncore_get_mc_dev(unsigned int device, int id) { struct pci_dev *mc_dev = NULL; int pkg; while (1) { - mc_dev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x3451, mc_dev); + mc_dev = pci_get_device(PCI_VENDOR_ID_INTEL, device, mc_dev); if (!mc_dev) break; pkg = uncore_pcibus_to_dieid(mc_dev->bus); @@ -4799,19 +4825,20 @@ static struct pci_dev *snr_uncore_get_mc_dev(int id) return mc_dev; } -static void __snr_uncore_mmio_init_box(struct intel_uncore_box *box, - unsigned int box_ctl, int mem_offset) +static int snr_uncore_mmio_map(struct intel_uncore_box *box, + unsigned int box_ctl, int mem_offset, + unsigned int device) { - struct pci_dev *pdev = snr_uncore_get_mc_dev(box->dieid); + struct pci_dev *pdev = snr_uncore_get_mc_dev(device, box->dieid); struct intel_uncore_type *type = box->pmu->type; resource_size_t addr; u32 pci_dword; if (!pdev) - return; + return -ENODEV; pci_read_config_dword(pdev, SNR_IMC_MMIO_BASE_OFFSET, &pci_dword); - addr = (pci_dword & SNR_IMC_MMIO_BASE_MASK) << 23; + addr = ((resource_size_t)pci_dword & SNR_IMC_MMIO_BASE_MASK) << 23; pci_read_config_dword(pdev, mem_offset, &pci_dword); addr |= (pci_dword & SNR_IMC_MMIO_MEM0_MASK) << 12; @@ -4821,16 +4848,25 @@ static void __snr_uncore_mmio_init_box(struct intel_uncore_box *box, box->io_addr = ioremap(addr, type->mmio_map_size); if (!box->io_addr) { pr_warn("perf uncore: Failed to ioremap for %s.\n", type->name); - return; + return -EINVAL; } - writel(IVBEP_PMON_BOX_CTL_INT, box->io_addr); + return 0; +} + +static void __snr_uncore_mmio_init_box(struct intel_uncore_box *box, + unsigned int box_ctl, int mem_offset, + unsigned int device) +{ + if (!snr_uncore_mmio_map(box, box_ctl, mem_offset, device)) + writel(IVBEP_PMON_BOX_CTL_INT, box->io_addr); } static void snr_uncore_mmio_init_box(struct intel_uncore_box *box) { __snr_uncore_mmio_init_box(box, uncore_mmio_box_ctl(box), - SNR_IMC_MMIO_MEM0_OFFSET); + SNR_IMC_MMIO_MEM0_OFFSET, + SNR_MC_DEVICE_ID); } static void snr_uncore_mmio_disable_box(struct intel_uncore_box *box) @@ -5092,6 +5128,11 @@ static int icx_iio_set_mapping(struct intel_uncore_type *type) return pmu_iio_set_mapping(type, &icx_iio_mapping_group); } +static void icx_iio_cleanup_mapping(struct intel_uncore_type *type) +{ + pmu_iio_cleanup_mapping(type, &icx_iio_mapping_group); +} + static struct intel_uncore_type icx_uncore_iio = { .name = "iio", .num_counters = 4, @@ -5109,7 +5150,7 @@ static struct intel_uncore_type icx_uncore_iio = { .attr_update = icx_iio_attr_update, .get_topology = icx_iio_get_topology, .set_mapping = icx_iio_set_mapping, - .cleanup_mapping = skx_iio_cleanup_mapping, + .cleanup_mapping = icx_iio_cleanup_mapping, }; static struct intel_uncore_type icx_uncore_irp = { @@ -5405,7 +5446,8 @@ static void icx_uncore_imc_init_box(struct intel_uncore_box *box) int mem_offset = (box->pmu->pmu_idx / ICX_NUMBER_IMC_CHN) * ICX_IMC_MEM_STRIDE + SNR_IMC_MMIO_MEM0_OFFSET; - __snr_uncore_mmio_init_box(box, box_ctl, mem_offset); + __snr_uncore_mmio_init_box(box, box_ctl, mem_offset, + SNR_MC_DEVICE_ID); } static struct intel_uncore_ops icx_uncore_mmio_ops = { @@ -5475,7 +5517,8 @@ static void icx_uncore_imc_freerunning_init_box(struct intel_uncore_box *box) int mem_offset = box->pmu->pmu_idx * ICX_IMC_MEM_STRIDE + SNR_IMC_MMIO_MEM0_OFFSET; - __snr_uncore_mmio_init_box(box, uncore_mmio_box_ctl(box), mem_offset); + snr_uncore_mmio_map(box, uncore_mmio_box_ctl(box), + mem_offset, SNR_MC_DEVICE_ID); } static struct intel_uncore_ops icx_uncore_imc_freerunning_ops = { @@ -5509,3 +5552,497 @@ void icx_uncore_mmio_init(void) } /* end of ICX uncore support */ + +/* SPR uncore support */ + +static void spr_uncore_msr_enable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + + if (reg1->idx != EXTRA_REG_NONE) + wrmsrl(reg1->reg, reg1->config); + + wrmsrl(hwc->config_base, hwc->config); +} + +static void spr_uncore_msr_disable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + + if (reg1->idx != EXTRA_REG_NONE) + wrmsrl(reg1->reg, 0); + + wrmsrl(hwc->config_base, 0); +} + +static int spr_cha_hw_config(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + bool tie_en = !!(event->hw.config & SPR_CHA_PMON_CTL_TID_EN); + struct intel_uncore_type *type = box->pmu->type; + + if (tie_en) { + reg1->reg = SPR_C0_MSR_PMON_BOX_FILTER0 + + HSWEP_CBO_MSR_OFFSET * type->box_ids[box->pmu->pmu_idx]; + reg1->config = event->attr.config1 & SPR_CHA_PMON_BOX_FILTER_TID; + reg1->idx = 0; + } + + return 0; +} + +static struct intel_uncore_ops spr_uncore_chabox_ops = { + .init_box = intel_generic_uncore_msr_init_box, + .disable_box = intel_generic_uncore_msr_disable_box, + .enable_box = intel_generic_uncore_msr_enable_box, + .disable_event = spr_uncore_msr_disable_event, + .enable_event = spr_uncore_msr_enable_event, + .read_counter = uncore_msr_read_counter, + .hw_config = spr_cha_hw_config, + .get_constraint = uncore_get_constraint, + .put_constraint = uncore_put_constraint, +}; + +static struct attribute *spr_uncore_cha_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask_ext4.attr, + &format_attr_tid_en2.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_thresh8.attr, + &format_attr_filter_tid5.attr, + NULL, +}; +static const struct attribute_group spr_uncore_chabox_format_group = { + .name = "format", + .attrs = spr_uncore_cha_formats_attr, +}; + +static ssize_t alias_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct intel_uncore_pmu *pmu = dev_to_uncore_pmu(dev); + char pmu_name[UNCORE_PMU_NAME_LEN]; + + uncore_get_alias_name(pmu_name, pmu); + return sysfs_emit(buf, "%s\n", pmu_name); +} + +static DEVICE_ATTR_RO(alias); + +static struct attribute *uncore_alias_attrs[] = { + &dev_attr_alias.attr, + NULL +}; + +ATTRIBUTE_GROUPS(uncore_alias); + +static struct intel_uncore_type spr_uncore_chabox = { + .name = "cha", + .event_mask = SPR_CHA_PMON_EVENT_MASK, + .event_mask_ext = SPR_RAW_EVENT_MASK_EXT, + .num_shared_regs = 1, + .ops = &spr_uncore_chabox_ops, + .format_group = &spr_uncore_chabox_format_group, + .attr_update = uncore_alias_groups, +}; + +static struct intel_uncore_type spr_uncore_iio = { + .name = "iio", + .event_mask = SNBEP_PMON_RAW_EVENT_MASK, + .event_mask_ext = SNR_IIO_PMON_RAW_EVENT_MASK_EXT, + .format_group = &snr_uncore_iio_format_group, + .attr_update = uncore_alias_groups, +}; + +static struct attribute *spr_uncore_raw_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask_ext4.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_thresh8.attr, + NULL, +}; + +static const struct attribute_group spr_uncore_raw_format_group = { + .name = "format", + .attrs = spr_uncore_raw_formats_attr, +}; + +#define SPR_UNCORE_COMMON_FORMAT() \ + .event_mask = SNBEP_PMON_RAW_EVENT_MASK, \ + .event_mask_ext = SPR_RAW_EVENT_MASK_EXT, \ + .format_group = &spr_uncore_raw_format_group, \ + .attr_update = uncore_alias_groups + +static struct intel_uncore_type spr_uncore_irp = { + SPR_UNCORE_COMMON_FORMAT(), + .name = "irp", + +}; + +static struct intel_uncore_type spr_uncore_m2pcie = { + SPR_UNCORE_COMMON_FORMAT(), + .name = "m2pcie", +}; + +static struct intel_uncore_type spr_uncore_pcu = { + .name = "pcu", + .attr_update = uncore_alias_groups, +}; + +static void spr_uncore_mmio_enable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + if (!box->io_addr) + return; + + if (uncore_pmc_fixed(hwc->idx)) + writel(SNBEP_PMON_CTL_EN, box->io_addr + hwc->config_base); + else + writel(hwc->config, box->io_addr + hwc->config_base); +} + +static struct intel_uncore_ops spr_uncore_mmio_ops = { + .init_box = intel_generic_uncore_mmio_init_box, + .exit_box = uncore_mmio_exit_box, + .disable_box = intel_generic_uncore_mmio_disable_box, + .enable_box = intel_generic_uncore_mmio_enable_box, + .disable_event = intel_generic_uncore_mmio_disable_event, + .enable_event = spr_uncore_mmio_enable_event, + .read_counter = uncore_mmio_read_counter, +}; + +static struct intel_uncore_type spr_uncore_imc = { + SPR_UNCORE_COMMON_FORMAT(), + .name = "imc", + .fixed_ctr_bits = 48, + .fixed_ctr = SNR_IMC_MMIO_PMON_FIXED_CTR, + .fixed_ctl = SNR_IMC_MMIO_PMON_FIXED_CTL, + .ops = &spr_uncore_mmio_ops, +}; + +static void spr_uncore_pci_enable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct pci_dev *pdev = box->pci_dev; + struct hw_perf_event *hwc = &event->hw; + + pci_write_config_dword(pdev, hwc->config_base + 4, (u32)(hwc->config >> 32)); + pci_write_config_dword(pdev, hwc->config_base, (u32)hwc->config); +} + +static struct intel_uncore_ops spr_uncore_pci_ops = { + .init_box = intel_generic_uncore_pci_init_box, + .disable_box = intel_generic_uncore_pci_disable_box, + .enable_box = intel_generic_uncore_pci_enable_box, + .disable_event = intel_generic_uncore_pci_disable_event, + .enable_event = spr_uncore_pci_enable_event, + .read_counter = intel_generic_uncore_pci_read_counter, +}; + +#define SPR_UNCORE_PCI_COMMON_FORMAT() \ + SPR_UNCORE_COMMON_FORMAT(), \ + .ops = &spr_uncore_pci_ops + +static struct intel_uncore_type spr_uncore_m2m = { + SPR_UNCORE_PCI_COMMON_FORMAT(), + .name = "m2m", +}; + +static struct intel_uncore_type spr_uncore_upi = { + SPR_UNCORE_PCI_COMMON_FORMAT(), + .name = "upi", +}; + +static struct intel_uncore_type spr_uncore_m3upi = { + SPR_UNCORE_PCI_COMMON_FORMAT(), + .name = "m3upi", +}; + +static struct intel_uncore_type spr_uncore_mdf = { + SPR_UNCORE_COMMON_FORMAT(), + .name = "mdf", +}; + +#define UNCORE_SPR_NUM_UNCORE_TYPES 12 +#define UNCORE_SPR_IIO 1 +#define UNCORE_SPR_IMC 6 + +static struct intel_uncore_type *spr_uncores[UNCORE_SPR_NUM_UNCORE_TYPES] = { + &spr_uncore_chabox, + &spr_uncore_iio, + &spr_uncore_irp, + &spr_uncore_m2pcie, + &spr_uncore_pcu, + NULL, + &spr_uncore_imc, + &spr_uncore_m2m, + &spr_uncore_upi, + &spr_uncore_m3upi, + NULL, + &spr_uncore_mdf, +}; + +enum perf_uncore_spr_iio_freerunning_type_id { + SPR_IIO_MSR_IOCLK, + SPR_IIO_MSR_BW_IN, + SPR_IIO_MSR_BW_OUT, + + SPR_IIO_FREERUNNING_TYPE_MAX, +}; + +static struct freerunning_counters spr_iio_freerunning[] = { + [SPR_IIO_MSR_IOCLK] = { 0x340e, 0x1, 0x10, 1, 48 }, + [SPR_IIO_MSR_BW_IN] = { 0x3800, 0x1, 0x10, 8, 48 }, + [SPR_IIO_MSR_BW_OUT] = { 0x3808, 0x1, 0x10, 8, 48 }, +}; + +static struct uncore_event_desc spr_uncore_iio_freerunning_events[] = { + /* Free-Running IIO CLOCKS Counter */ + INTEL_UNCORE_EVENT_DESC(ioclk, "event=0xff,umask=0x10"), + /* Free-Running IIO BANDWIDTH IN Counters */ + INTEL_UNCORE_EVENT_DESC(bw_in_port0, "event=0xff,umask=0x20"), + INTEL_UNCORE_EVENT_DESC(bw_in_port0.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_in_port0.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_in_port1, "event=0xff,umask=0x21"), + INTEL_UNCORE_EVENT_DESC(bw_in_port1.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_in_port1.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_in_port2, "event=0xff,umask=0x22"), + INTEL_UNCORE_EVENT_DESC(bw_in_port2.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_in_port2.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_in_port3, "event=0xff,umask=0x23"), + INTEL_UNCORE_EVENT_DESC(bw_in_port3.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_in_port3.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_in_port4, "event=0xff,umask=0x24"), + INTEL_UNCORE_EVENT_DESC(bw_in_port4.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_in_port4.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_in_port5, "event=0xff,umask=0x25"), + INTEL_UNCORE_EVENT_DESC(bw_in_port5.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_in_port5.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_in_port6, "event=0xff,umask=0x26"), + INTEL_UNCORE_EVENT_DESC(bw_in_port6.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_in_port6.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_in_port7, "event=0xff,umask=0x27"), + INTEL_UNCORE_EVENT_DESC(bw_in_port7.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_in_port7.unit, "MiB"), + /* Free-Running IIO BANDWIDTH OUT Counters */ + INTEL_UNCORE_EVENT_DESC(bw_out_port0, "event=0xff,umask=0x30"), + INTEL_UNCORE_EVENT_DESC(bw_out_port0.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_out_port0.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_out_port1, "event=0xff,umask=0x31"), + INTEL_UNCORE_EVENT_DESC(bw_out_port1.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_out_port1.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_out_port2, "event=0xff,umask=0x32"), + INTEL_UNCORE_EVENT_DESC(bw_out_port2.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_out_port2.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_out_port3, "event=0xff,umask=0x33"), + INTEL_UNCORE_EVENT_DESC(bw_out_port3.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_out_port3.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_out_port4, "event=0xff,umask=0x34"), + INTEL_UNCORE_EVENT_DESC(bw_out_port4.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_out_port4.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_out_port5, "event=0xff,umask=0x35"), + INTEL_UNCORE_EVENT_DESC(bw_out_port5.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_out_port5.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_out_port6, "event=0xff,umask=0x36"), + INTEL_UNCORE_EVENT_DESC(bw_out_port6.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_out_port6.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(bw_out_port7, "event=0xff,umask=0x37"), + INTEL_UNCORE_EVENT_DESC(bw_out_port7.scale, "3.814697266e-6"), + INTEL_UNCORE_EVENT_DESC(bw_out_port7.unit, "MiB"), + { /* end: all zeroes */ }, +}; + +static struct intel_uncore_type spr_uncore_iio_free_running = { + .name = "iio_free_running", + .num_counters = 17, + .num_freerunning_types = SPR_IIO_FREERUNNING_TYPE_MAX, + .freerunning = spr_iio_freerunning, + .ops = &skx_uncore_iio_freerunning_ops, + .event_descs = spr_uncore_iio_freerunning_events, + .format_group = &skx_uncore_iio_freerunning_format_group, +}; + +enum perf_uncore_spr_imc_freerunning_type_id { + SPR_IMC_DCLK, + SPR_IMC_PQ_CYCLES, + + SPR_IMC_FREERUNNING_TYPE_MAX, +}; + +static struct freerunning_counters spr_imc_freerunning[] = { + [SPR_IMC_DCLK] = { 0x22b0, 0x0, 0, 1, 48 }, + [SPR_IMC_PQ_CYCLES] = { 0x2318, 0x8, 0, 2, 48 }, +}; + +static struct uncore_event_desc spr_uncore_imc_freerunning_events[] = { + INTEL_UNCORE_EVENT_DESC(dclk, "event=0xff,umask=0x10"), + + INTEL_UNCORE_EVENT_DESC(rpq_cycles, "event=0xff,umask=0x20"), + INTEL_UNCORE_EVENT_DESC(wpq_cycles, "event=0xff,umask=0x21"), + { /* end: all zeroes */ }, +}; + +#define SPR_MC_DEVICE_ID 0x3251 + +static void spr_uncore_imc_freerunning_init_box(struct intel_uncore_box *box) +{ + int mem_offset = box->pmu->pmu_idx * ICX_IMC_MEM_STRIDE + SNR_IMC_MMIO_MEM0_OFFSET; + + snr_uncore_mmio_map(box, uncore_mmio_box_ctl(box), + mem_offset, SPR_MC_DEVICE_ID); +} + +static struct intel_uncore_ops spr_uncore_imc_freerunning_ops = { + .init_box = spr_uncore_imc_freerunning_init_box, + .exit_box = uncore_mmio_exit_box, + .read_counter = uncore_mmio_read_counter, + .hw_config = uncore_freerunning_hw_config, +}; + +static struct intel_uncore_type spr_uncore_imc_free_running = { + .name = "imc_free_running", + .num_counters = 3, + .mmio_map_size = SNR_IMC_MMIO_SIZE, + .num_freerunning_types = SPR_IMC_FREERUNNING_TYPE_MAX, + .freerunning = spr_imc_freerunning, + .ops = &spr_uncore_imc_freerunning_ops, + .event_descs = spr_uncore_imc_freerunning_events, + .format_group = &skx_uncore_iio_freerunning_format_group, +}; + +#define UNCORE_SPR_MSR_EXTRA_UNCORES 1 +#define UNCORE_SPR_MMIO_EXTRA_UNCORES 1 + +static struct intel_uncore_type *spr_msr_uncores[UNCORE_SPR_MSR_EXTRA_UNCORES] = { + &spr_uncore_iio_free_running, +}; + +static struct intel_uncore_type *spr_mmio_uncores[UNCORE_SPR_MMIO_EXTRA_UNCORES] = { + &spr_uncore_imc_free_running, +}; + +static void uncore_type_customized_copy(struct intel_uncore_type *to_type, + struct intel_uncore_type *from_type) +{ + if (!to_type || !from_type) + return; + + if (from_type->name) + to_type->name = from_type->name; + if (from_type->fixed_ctr_bits) + to_type->fixed_ctr_bits = from_type->fixed_ctr_bits; + if (from_type->event_mask) + to_type->event_mask = from_type->event_mask; + if (from_type->event_mask_ext) + to_type->event_mask_ext = from_type->event_mask_ext; + if (from_type->fixed_ctr) + to_type->fixed_ctr = from_type->fixed_ctr; + if (from_type->fixed_ctl) + to_type->fixed_ctl = from_type->fixed_ctl; + if (from_type->fixed_ctr_bits) + to_type->fixed_ctr_bits = from_type->fixed_ctr_bits; + if (from_type->num_shared_regs) + to_type->num_shared_regs = from_type->num_shared_regs; + if (from_type->constraints) + to_type->constraints = from_type->constraints; + if (from_type->ops) + to_type->ops = from_type->ops; + if (from_type->event_descs) + to_type->event_descs = from_type->event_descs; + if (from_type->format_group) + to_type->format_group = from_type->format_group; + if (from_type->attr_update) + to_type->attr_update = from_type->attr_update; +} + +static struct intel_uncore_type ** +uncore_get_uncores(enum uncore_access_type type_id, int num_extra, + struct intel_uncore_type **extra) +{ + struct intel_uncore_type **types, **start_types; + int i; + + start_types = types = intel_uncore_generic_init_uncores(type_id, num_extra); + + /* Only copy the customized features */ + for (; *types; types++) { + if ((*types)->type_id >= UNCORE_SPR_NUM_UNCORE_TYPES) + continue; + uncore_type_customized_copy(*types, spr_uncores[(*types)->type_id]); + } + + for (i = 0; i < num_extra; i++, types++) + *types = extra[i]; + + return start_types; +} + +static struct intel_uncore_type * +uncore_find_type_by_id(struct intel_uncore_type **types, int type_id) +{ + for (; *types; types++) { + if (type_id == (*types)->type_id) + return *types; + } + + return NULL; +} + +static int uncore_type_max_boxes(struct intel_uncore_type **types, + int type_id) +{ + struct intel_uncore_type *type; + int i, max = 0; + + type = uncore_find_type_by_id(types, type_id); + if (!type) + return 0; + + for (i = 0; i < type->num_boxes; i++) { + if (type->box_ids[i] > max) + max = type->box_ids[i]; + } + + return max + 1; +} + +void spr_uncore_cpu_init(void) +{ + uncore_msr_uncores = uncore_get_uncores(UNCORE_ACCESS_MSR, + UNCORE_SPR_MSR_EXTRA_UNCORES, + spr_msr_uncores); + + spr_uncore_iio_free_running.num_boxes = uncore_type_max_boxes(uncore_msr_uncores, UNCORE_SPR_IIO); +} + +int spr_uncore_pci_init(void) +{ + uncore_pci_uncores = uncore_get_uncores(UNCORE_ACCESS_PCI, 0, NULL); + return 0; +} + +void spr_uncore_mmio_init(void) +{ + int ret = snbep_pci2phy_map_init(0x3250, SKX_CPUNODEID, SKX_GIDNIDMAP, true); + + if (ret) + uncore_mmio_uncores = uncore_get_uncores(UNCORE_ACCESS_MMIO, 0, NULL); + else { + uncore_mmio_uncores = uncore_get_uncores(UNCORE_ACCESS_MMIO, + UNCORE_SPR_MMIO_EXTRA_UNCORES, + spr_mmio_uncores); + + spr_uncore_imc_free_running.num_boxes = uncore_type_max_boxes(uncore_mmio_uncores, UNCORE_SPR_IMC) / 2; + } +} + +/* end of SPR uncore support */ diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h index 2bf1c7ea2758..e3ac05c97b5e 100644 --- a/arch/x86/events/perf_event.h +++ b/arch/x86/events/perf_event.h @@ -656,6 +656,10 @@ struct x86_hybrid_pmu { struct event_constraint *event_constraints; struct event_constraint *pebs_constraints; struct extra_reg *extra_regs; + + unsigned int late_ack :1, + mid_ack :1, + enabled_ack :1; }; static __always_inline struct x86_hybrid_pmu *hybrid_pmu(struct pmu *pmu) @@ -686,6 +690,16 @@ extern struct static_key_false perf_is_hybrid; __Fp; \ })) +#define hybrid_bit(_pmu, _field) \ +({ \ + bool __Fp = x86_pmu._field; \ + \ + if (is_hybrid() && (_pmu)) \ + __Fp = hybrid_pmu(_pmu)->_field; \ + \ + __Fp; \ +}) + enum hybrid_pmu_type { hybrid_big = 0x40, hybrid_small = 0x20, @@ -755,6 +769,7 @@ struct x86_pmu { /* PMI handler bits */ unsigned int late_ack :1, + mid_ack :1, enabled_ack :1; /* * sysfs attrs @@ -1115,9 +1130,10 @@ void x86_pmu_stop(struct perf_event *event, int flags); static inline void x86_pmu_disable_event(struct perf_event *event) { + u64 disable_mask = __this_cpu_read(cpu_hw_events.perf_ctr_virt_mask); struct hw_perf_event *hwc = &event->hw; - wrmsrl(hwc->config_base, hwc->config); + wrmsrl(hwc->config_base, hwc->config & ~disable_mask); if (is_counter_pair(hwc)) wrmsrl(x86_pmu_config_addr(hwc->idx + 1), 0); diff --git a/arch/x86/include/asm/amd-ibs.h b/arch/x86/include/asm/amd-ibs.h new file mode 100644 index 000000000000..46e1df45efc0 --- /dev/null +++ b/arch/x86/include/asm/amd-ibs.h @@ -0,0 +1,132 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * From PPR Vol 1 for AMD Family 19h Model 01h B1 + * 55898 Rev 0.35 - Feb 5, 2021 + */ + +#include <asm/msr-index.h> + +/* + * IBS Hardware MSRs + */ + +/* MSR 0xc0011030: IBS Fetch Control */ +union ibs_fetch_ctl { + __u64 val; + struct { + __u64 fetch_maxcnt:16,/* 0-15: instruction fetch max. count */ + fetch_cnt:16, /* 16-31: instruction fetch count */ + fetch_lat:16, /* 32-47: instruction fetch latency */ + fetch_en:1, /* 48: instruction fetch enable */ + fetch_val:1, /* 49: instruction fetch valid */ + fetch_comp:1, /* 50: instruction fetch complete */ + ic_miss:1, /* 51: i-cache miss */ + phy_addr_valid:1,/* 52: physical address valid */ + l1tlb_pgsz:2, /* 53-54: i-cache L1TLB page size + * (needs IbsPhyAddrValid) */ + l1tlb_miss:1, /* 55: i-cache fetch missed in L1TLB */ + l2tlb_miss:1, /* 56: i-cache fetch missed in L2TLB */ + rand_en:1, /* 57: random tagging enable */ + fetch_l2_miss:1,/* 58: L2 miss for sampled fetch + * (needs IbsFetchComp) */ + reserved:5; /* 59-63: reserved */ + }; +}; + +/* MSR 0xc0011033: IBS Execution Control */ +union ibs_op_ctl { + __u64 val; + struct { + __u64 opmaxcnt:16, /* 0-15: periodic op max. count */ + reserved0:1, /* 16: reserved */ + op_en:1, /* 17: op sampling enable */ + op_val:1, /* 18: op sample valid */ + cnt_ctl:1, /* 19: periodic op counter control */ + opmaxcnt_ext:7, /* 20-26: upper 7 bits of periodic op maximum count */ + reserved1:5, /* 27-31: reserved */ + opcurcnt:27, /* 32-58: periodic op counter current count */ + reserved2:5; /* 59-63: reserved */ + }; +}; + +/* MSR 0xc0011035: IBS Op Data 2 */ +union ibs_op_data { + __u64 val; + struct { + __u64 comp_to_ret_ctr:16, /* 0-15: op completion to retire count */ + tag_to_ret_ctr:16, /* 15-31: op tag to retire count */ + reserved1:2, /* 32-33: reserved */ + op_return:1, /* 34: return op */ + op_brn_taken:1, /* 35: taken branch op */ + op_brn_misp:1, /* 36: mispredicted branch op */ + op_brn_ret:1, /* 37: branch op retired */ + op_rip_invalid:1, /* 38: RIP is invalid */ + op_brn_fuse:1, /* 39: fused branch op */ + op_microcode:1, /* 40: microcode op */ + reserved2:23; /* 41-63: reserved */ + }; +}; + +/* MSR 0xc0011036: IBS Op Data 2 */ +union ibs_op_data2 { + __u64 val; + struct { + __u64 data_src:3, /* 0-2: data source */ + reserved0:1, /* 3: reserved */ + rmt_node:1, /* 4: destination node */ + cache_hit_st:1, /* 5: cache hit state */ + reserved1:57; /* 5-63: reserved */ + }; +}; + +/* MSR 0xc0011037: IBS Op Data 3 */ +union ibs_op_data3 { + __u64 val; + struct { + __u64 ld_op:1, /* 0: load op */ + st_op:1, /* 1: store op */ + dc_l1tlb_miss:1, /* 2: data cache L1TLB miss */ + dc_l2tlb_miss:1, /* 3: data cache L2TLB hit in 2M page */ + dc_l1tlb_hit_2m:1, /* 4: data cache L1TLB hit in 2M page */ + dc_l1tlb_hit_1g:1, /* 5: data cache L1TLB hit in 1G page */ + dc_l2tlb_hit_2m:1, /* 6: data cache L2TLB hit in 2M page */ + dc_miss:1, /* 7: data cache miss */ + dc_mis_acc:1, /* 8: misaligned access */ + reserved:4, /* 9-12: reserved */ + dc_wc_mem_acc:1, /* 13: write combining memory access */ + dc_uc_mem_acc:1, /* 14: uncacheable memory access */ + dc_locked_op:1, /* 15: locked operation */ + dc_miss_no_mab_alloc:1, /* 16: DC miss with no MAB allocated */ + dc_lin_addr_valid:1, /* 17: data cache linear address valid */ + dc_phy_addr_valid:1, /* 18: data cache physical address valid */ + dc_l2_tlb_hit_1g:1, /* 19: data cache L2 hit in 1GB page */ + l2_miss:1, /* 20: L2 cache miss */ + sw_pf:1, /* 21: software prefetch */ + op_mem_width:4, /* 22-25: load/store size in bytes */ + op_dc_miss_open_mem_reqs:6, /* 26-31: outstanding mem reqs on DC fill */ + dc_miss_lat:16, /* 32-47: data cache miss latency */ + tlb_refill_lat:16; /* 48-63: L1 TLB refill latency */ + }; +}; + +/* MSR 0xc001103c: IBS Fetch Control Extended */ +union ic_ibs_extd_ctl { + __u64 val; + struct { + __u64 itlb_refill_lat:16, /* 0-15: ITLB Refill latency for sampled fetch */ + reserved:48; /* 16-63: reserved */ + }; +}; + +/* + * IBS driver related + */ + +struct perf_ibs_data { + u32 size; + union { + u32 data[0]; /* data buffer starts here */ + u32 caps; + }; + u64 regs[MSR_AMD64_IBS_REG_COUNT_MAX]; +}; diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h index be09c7eac89f..4ae01cdb99de 100644 --- a/arch/x86/include/asm/compat.h +++ b/arch/x86/include/asm/compat.h @@ -12,6 +12,9 @@ #include <asm/user32.h> #include <asm/unistd.h> +#define compat_mode_t compat_mode_t +typedef u16 compat_mode_t; + #include <asm-generic/compat.h> #define COMPAT_USER_HZ 100 @@ -19,13 +22,9 @@ typedef u16 __compat_uid_t; typedef u16 __compat_gid_t; -typedef u32 __compat_uid32_t; -typedef u32 __compat_gid32_t; -typedef u16 compat_mode_t; typedef u16 compat_dev_t; typedef u16 compat_nlink_t; typedef u16 compat_ipc_pid_t; -typedef u32 compat_caddr_t; typedef __kernel_fsid_t compat_fsid_t; struct compat_stat { @@ -92,13 +91,6 @@ struct compat_statfs { #define COMPAT_RLIM_INFINITY 0xffffffff -typedef u32 compat_old_sigset_t; /* at least 32 bits */ - -#define _COMPAT_NSIG 64 -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - #define COMPAT_OFF_T_MAX 0x7fffffff struct compat_ipc64_perm { diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h index 89789e8c80f6..637fa1df3512 100644 --- a/arch/x86/include/asm/i8259.h +++ b/arch/x86/include/asm/i8259.h @@ -19,6 +19,8 @@ extern unsigned int cached_irq_mask; #define PIC_MASTER_OCW3 PIC_MASTER_ISR #define PIC_SLAVE_CMD 0xa0 #define PIC_SLAVE_IMR 0xa1 +#define PIC_ELCR1 0x4d0 +#define PIC_ELCR2 0x4d1 /* i8259A PIC related value */ #define PIC_CASCADE_IR 2 diff --git a/arch/x86/include/asm/kfence.h b/arch/x86/include/asm/kfence.h index 05b48b33baf0..ff5c7134a37a 100644 --- a/arch/x86/include/asm/kfence.h +++ b/arch/x86/include/asm/kfence.h @@ -8,6 +8,8 @@ #ifndef _ASM_X86_KFENCE_H #define _ASM_X86_KFENCE_H +#ifndef MODULE + #include <linux/bug.h> #include <linux/kfence.h> @@ -66,4 +68,6 @@ static inline bool kfence_protect_page(unsigned long addr, bool protect) return true; } +#endif /* !MODULE */ + #endif /* _ASM_X86_KFENCE_H */ diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 974cbfb1eefe..af6ce8d4c86a 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1038,6 +1038,13 @@ struct kvm_arch { struct list_head lpage_disallowed_mmu_pages; struct kvm_page_track_notifier_node mmu_sp_tracker; struct kvm_page_track_notifier_head track_notifier_head; + /* + * Protects marking pages unsync during page faults, as TDP MMU page + * faults only take mmu_lock for read. For simplicity, the unsync + * pages lock is always taken when marking pages unsync regardless of + * whether mmu_lock is held for read or write. + */ + spinlock_t mmu_unsync_pages_lock; struct list_head assigned_dev_head; struct iommu_domain *iommu_domain; diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 0607ec4f5091..da9321548f6f 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -265,6 +265,7 @@ enum mcp_flags { MCP_TIMESTAMP = BIT(0), /* log time stamp */ MCP_UC = BIT(1), /* log uncorrected errors */ MCP_DONTLOG = BIT(2), /* only clear, don't log */ + MCP_QUEUE_LOG = BIT(3), /* only queue to genpool */ }; bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b); diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h index 3ad8c6d3cbb3..ec2d5c8c6694 100644 --- a/arch/x86/include/asm/nospec-branch.h +++ b/arch/x86/include/asm/nospec-branch.h @@ -252,6 +252,8 @@ DECLARE_STATIC_KEY_FALSE(switch_mm_always_ibpb); DECLARE_STATIC_KEY_FALSE(mds_user_clear); DECLARE_STATIC_KEY_FALSE(mds_idle_clear); +DECLARE_STATIC_KEY_FALSE(switch_mm_cond_l1d_flush); + #include <asm/segment.h> /** diff --git a/arch/x86/include/asm/pc-conf-reg.h b/arch/x86/include/asm/pc-conf-reg.h new file mode 100644 index 000000000000..56bceceacf5f --- /dev/null +++ b/arch/x86/include/asm/pc-conf-reg.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Support for the configuration register space at port I/O locations + * 0x22 and 0x23 variously used by PC architectures, e.g. the MP Spec, + * Cyrix CPUs, numerous chipsets. + */ +#ifndef _ASM_X86_PC_CONF_REG_H +#define _ASM_X86_PC_CONF_REG_H + +#include <linux/io.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +#define PC_CONF_INDEX 0x22 +#define PC_CONF_DATA 0x23 + +#define PC_CONF_MPS_IMCR 0x70 + +extern raw_spinlock_t pc_conf_lock; + +static inline u8 pc_conf_get(u8 reg) +{ + outb(reg, PC_CONF_INDEX); + return inb(PC_CONF_DATA); +} + +static inline void pc_conf_set(u8 reg, u8 data) +{ + outb(reg, PC_CONF_INDEX); + outb(data, PC_CONF_DATA); +} + +#endif /* _ASM_X86_PC_CONF_REG_H */ diff --git a/arch/x86/include/asm/processor-cyrix.h b/arch/x86/include/asm/processor-cyrix.h index df700a6cc869..efe3e46e454b 100644 --- a/arch/x86/include/asm/processor-cyrix.h +++ b/arch/x86/include/asm/processor-cyrix.h @@ -5,14 +5,14 @@ * Access order is always 0x22 (=offset), 0x23 (=value) */ +#include <asm/pc-conf-reg.h> + static inline u8 getCx86(u8 reg) { - outb(reg, 0x22); - return inb(0x23); + return pc_conf_get(reg); } static inline void setCx86(u8 reg, u8 data) { - outb(reg, 0x22); - outb(data, 0x23); + pc_conf_set(reg, data); } diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index f3020c54e2cb..9ad2acaaae9b 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -136,6 +136,8 @@ struct cpuinfo_x86 { u16 logical_die_id; /* Index into per_cpu list: */ u16 cpu_index; + /* Is SMT active on this core? */ + bool smt_active; u32 microcode; /* Address space bits used by the cache internally */ u8 x86_cache_bits; @@ -795,6 +797,8 @@ extern int set_tsc_mode(unsigned int val); DECLARE_PER_CPU(u64, msr_misc_features_shadow); +extern u16 get_llc_id(unsigned int cpu); + #ifdef CONFIG_CPU_SUP_AMD extern u32 amd_get_nodes_per_socket(void); extern u32 amd_get_highest_perf(void); diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h index 6fd8410a3910..2dfb5fea13af 100644 --- a/arch/x86/include/asm/signal.h +++ b/arch/x86/include/asm/signal.h @@ -29,6 +29,7 @@ typedef struct { #define SA_X32_ABI 0x01000000u #ifndef CONFIG_COMPAT +#define compat_sigset_t compat_sigset_t typedef sigset_t compat_sigset_t; #endif diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index e322676039f4..b00dbc5fac2b 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -184,6 +184,8 @@ struct __attribute__ ((__packed__)) vmcb_control_area { #define V_IGN_TPR_SHIFT 20 #define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT) +#define V_IRQ_INJECTION_BITS_MASK (V_IRQ_MASK | V_INTR_PRIO_MASK | V_IGN_TPR_MASK) + #define V_INTR_MASKING_SHIFT 24 #define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT) diff --git a/arch/x86/include/asm/sysfb.h b/arch/x86/include/asm/sysfb.h deleted file mode 100644 index 9834eef7f034..000000000000 --- a/arch/x86/include/asm/sysfb.h +++ /dev/null @@ -1,94 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -#ifndef _ARCH_X86_KERNEL_SYSFB_H -#define _ARCH_X86_KERNEL_SYSFB_H - -/* - * Generic System Framebuffers on x86 - * Copyright (c) 2012-2013 David Herrmann <dh.herrmann@gmail.com> - */ - -#include <linux/kernel.h> -#include <linux/platform_data/simplefb.h> -#include <linux/screen_info.h> - -enum { - M_I17, /* 17-Inch iMac */ - M_I20, /* 20-Inch iMac */ - M_I20_SR, /* 20-Inch iMac (Santa Rosa) */ - M_I24, /* 24-Inch iMac */ - M_I24_8_1, /* 24-Inch iMac, 8,1th gen */ - M_I24_10_1, /* 24-Inch iMac, 10,1th gen */ - M_I27_11_1, /* 27-Inch iMac, 11,1th gen */ - M_MINI, /* Mac Mini */ - M_MINI_3_1, /* Mac Mini, 3,1th gen */ - M_MINI_4_1, /* Mac Mini, 4,1th gen */ - M_MB, /* MacBook */ - M_MB_2, /* MacBook, 2nd rev. */ - M_MB_3, /* MacBook, 3rd rev. */ - M_MB_5_1, /* MacBook, 5th rev. */ - M_MB_6_1, /* MacBook, 6th rev. */ - M_MB_7_1, /* MacBook, 7th rev. */ - M_MB_SR, /* MacBook, 2nd gen, (Santa Rosa) */ - M_MBA, /* MacBook Air */ - M_MBA_3, /* Macbook Air, 3rd rev */ - M_MBP, /* MacBook Pro */ - M_MBP_2, /* MacBook Pro 2nd gen */ - M_MBP_2_2, /* MacBook Pro 2,2nd gen */ - M_MBP_SR, /* MacBook Pro (Santa Rosa) */ - M_MBP_4, /* MacBook Pro, 4th gen */ - M_MBP_5_1, /* MacBook Pro, 5,1th gen */ - M_MBP_5_2, /* MacBook Pro, 5,2th gen */ - M_MBP_5_3, /* MacBook Pro, 5,3rd gen */ - M_MBP_6_1, /* MacBook Pro, 6,1th gen */ - M_MBP_6_2, /* MacBook Pro, 6,2th gen */ - M_MBP_7_1, /* MacBook Pro, 7,1th gen */ - M_MBP_8_2, /* MacBook Pro, 8,2nd gen */ - M_UNKNOWN /* placeholder */ -}; - -struct efifb_dmi_info { - char *optname; - unsigned long base; - int stride; - int width; - int height; - int flags; -}; - -#ifdef CONFIG_EFI - -extern struct efifb_dmi_info efifb_dmi_list[]; -void sysfb_apply_efi_quirks(void); - -#else /* CONFIG_EFI */ - -static inline void sysfb_apply_efi_quirks(void) -{ -} - -#endif /* CONFIG_EFI */ - -#ifdef CONFIG_X86_SYSFB - -bool parse_mode(const struct screen_info *si, - struct simplefb_platform_data *mode); -int create_simplefb(const struct screen_info *si, - const struct simplefb_platform_data *mode); - -#else /* CONFIG_X86_SYSFB */ - -static inline bool parse_mode(const struct screen_info *si, - struct simplefb_platform_data *mode) -{ - return false; -} - -static inline int create_simplefb(const struct screen_info *si, - const struct simplefb_platform_data *mode) -{ - return -EINVAL; -} - -#endif /* CONFIG_X86_SYSFB */ - -#endif /* _ARCH_X86_KERNEL_SYSFB_H */ diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index de406d93b515..cf132663c219 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -81,7 +81,7 @@ struct thread_info { #define TIF_SINGLESTEP 4 /* reenable singlestep on user return*/ #define TIF_SSBD 5 /* Speculative store bypass disable */ #define TIF_SPEC_IB 9 /* Indirect branch speculation mitigation */ -#define TIF_SPEC_FORCE_UPDATE 10 /* Force speculation MSR update in context switch */ +#define TIF_SPEC_L1D_FLUSH 10 /* Flush L1D on mm switches (processes) */ #define TIF_USER_RETURN_NOTIFY 11 /* notify kernel of userspace return */ #define TIF_UPROBE 12 /* breakpointed or singlestepping */ #define TIF_PATCH_PENDING 13 /* pending live patching update */ @@ -93,6 +93,7 @@ struct thread_info { #define TIF_MEMDIE 20 /* is terminating due to OOM killer */ #define TIF_POLLING_NRFLAG 21 /* idle is polling for TIF_NEED_RESCHED */ #define TIF_IO_BITMAP 22 /* uses I/O bitmap */ +#define TIF_SPEC_FORCE_UPDATE 23 /* Force speculation MSR update in context switch */ #define TIF_FORCED_TF 24 /* true if TF in eflags artificially */ #define TIF_BLOCKSTEP 25 /* set when we want DEBUGCTLMSR_BTF */ #define TIF_LAZY_MMU_UPDATES 27 /* task is updating the mmu lazily */ @@ -104,7 +105,7 @@ struct thread_info { #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_SSBD (1 << TIF_SSBD) #define _TIF_SPEC_IB (1 << TIF_SPEC_IB) -#define _TIF_SPEC_FORCE_UPDATE (1 << TIF_SPEC_FORCE_UPDATE) +#define _TIF_SPEC_L1D_FLUSH (1 << TIF_SPEC_L1D_FLUSH) #define _TIF_USER_RETURN_NOTIFY (1 << TIF_USER_RETURN_NOTIFY) #define _TIF_UPROBE (1 << TIF_UPROBE) #define _TIF_PATCH_PENDING (1 << TIF_PATCH_PENDING) @@ -115,6 +116,7 @@ struct thread_info { #define _TIF_SLD (1 << TIF_SLD) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_IO_BITMAP (1 << TIF_IO_BITMAP) +#define _TIF_SPEC_FORCE_UPDATE (1 << TIF_SPEC_FORCE_UPDATE) #define _TIF_FORCED_TF (1 << TIF_FORCED_TF) #define _TIF_BLOCKSTEP (1 << TIF_BLOCKSTEP) #define _TIF_LAZY_MMU_UPDATES (1 << TIF_LAZY_MMU_UPDATES) diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h index fa952eadbc2e..b587a9ee9cb2 100644 --- a/arch/x86/include/asm/tlbflush.h +++ b/arch/x86/include/asm/tlbflush.h @@ -83,7 +83,7 @@ struct tlb_state { /* Last user mm for optimizing IBPB */ union { struct mm_struct *last_user_mm; - unsigned long last_user_mm_ibpb; + unsigned long last_user_mm_spec; }; u16 loaded_mm_asid; diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 3e625c61f008..8f4e8fa6ed75 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -136,9 +136,6 @@ obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o obj-$(CONFIG_OF) += devicetree.o obj-$(CONFIG_UPROBES) += uprobes.o -obj-y += sysfb.o -obj-$(CONFIG_X86_SYSFB) += sysfb_simplefb.o -obj-$(CONFIG_EFI) += sysfb_efi.o obj-$(CONFIG_PERF_EVENTS) += perf_regs.o obj-$(CONFIG_TRACING) += tracepoint.o diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index e55e0c1fad8c..14bcd59bcdee 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -558,10 +558,10 @@ acpi_parse_nmi_src(union acpi_subtable_headers * header, const unsigned long end * If a PIC-mode SCI is not recognized or gives spurious IRQ7's * it may require Edge Trigger -- use "acpi_sci=edge" * - * Port 0x4d0-4d1 are ECLR1 and ECLR2, the Edge/Level Control Registers + * Port 0x4d0-4d1 are ELCR1 and ELCR2, the Edge/Level Control Registers * for the 8259 PIC. bit[n] = 1 means irq[n] is Level, otherwise Edge. - * ECLR1 is IRQs 0-7 (IRQ 0, 1, 2 must be 0) - * ECLR2 is IRQs 8-15 (IRQ 8, 13 must be 0) + * ELCR1 is IRQs 0-7 (IRQ 0, 1, 2 must be 0) + * ELCR2 is IRQs 8-15 (IRQ 8, 13 must be 0) */ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) @@ -570,7 +570,7 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) unsigned int old, new; /* Real old ELCR mask */ - old = inb(0x4d0) | (inb(0x4d1) << 8); + old = inb(PIC_ELCR1) | (inb(PIC_ELCR2) << 8); /* * If we use ACPI to set PCI IRQs, then we should clear ELCR @@ -596,8 +596,8 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) return; pr_warn("setting ELCR to %04x (from %04x)\n", new, old); - outb(new, 0x4d0); - outb(new >> 8, 0x4d1); + outb(new, PIC_ELCR1); + outb(new >> 8, PIC_ELCR2); } int acpi_gsi_to_irq(u32 gsi, unsigned int *irqp) diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 23dda362dc0f..c92c9c774c0e 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -25,6 +25,8 @@ #define PCI_DEVICE_ID_AMD_17H_M60H_DF_F4 0x144c #define PCI_DEVICE_ID_AMD_17H_M70H_DF_F4 0x1444 #define PCI_DEVICE_ID_AMD_19H_DF_F4 0x1654 +#define PCI_DEVICE_ID_AMD_19H_M40H_ROOT 0x14b5 +#define PCI_DEVICE_ID_AMD_19H_M40H_DF_F4 0x167d #define PCI_DEVICE_ID_AMD_19H_M50H_DF_F4 0x166e /* Protect the PCI config register pairs used for SMN and DF indirect access. */ @@ -37,6 +39,7 @@ static const struct pci_device_id amd_root_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M10H_ROOT) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M30H_ROOT) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M60H_ROOT) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_ROOT) }, {} }; @@ -58,6 +61,7 @@ static const struct pci_device_id amd_nb_misc_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F3) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_DF_F3) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_DF_F3) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M50H_DF_F3) }, {} }; @@ -74,6 +78,7 @@ static const struct pci_device_id amd_nb_link_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M60H_DF_F4) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F4) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_DF_F4) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_DF_F4) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M50H_DF_F4) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F4) }, {} diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index d262811ce14b..b70344bf6600 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -38,6 +38,7 @@ #include <asm/trace/irq_vectors.h> #include <asm/irq_remapping.h> +#include <asm/pc-conf-reg.h> #include <asm/perf_event.h> #include <asm/x86_init.h> #include <linux/atomic.h> @@ -132,18 +133,14 @@ static int enabled_via_apicbase __ro_after_init; */ static inline void imcr_pic_to_apic(void) { - /* select IMCR register */ - outb(0x70, 0x22); /* NMI and 8259 INTR go through APIC */ - outb(0x01, 0x23); + pc_conf_set(PC_CONF_MPS_IMCR, 0x01); } static inline void imcr_apic_to_pic(void) { - /* select IMCR register */ - outb(0x70, 0x22); /* NMI and 8259 INTR go directly to BSP */ - outb(0x00, 0x23); + pc_conf_set(PC_CONF_MPS_IMCR, 0x00); } #endif diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index d5c691a3208b..c1bb384935b0 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -764,7 +764,7 @@ static bool irq_active_low(int idx) static bool EISA_ELCR(unsigned int irq) { if (irq < nr_legacy_irqs()) { - unsigned int port = 0x4d0 + (irq >> 3); + unsigned int port = PIC_ELCR1 + (irq >> 3); return (inb(port) >> (irq & 7)) & 1; } apic_printk(APIC_VERBOSE, KERN_INFO @@ -1986,7 +1986,8 @@ static struct irq_chip ioapic_chip __read_mostly = { .irq_set_affinity = ioapic_set_affinity, .irq_retrigger = irq_chip_retrigger_hierarchy, .irq_get_irqchip_state = ioapic_irq_get_chip_state, - .flags = IRQCHIP_SKIP_SET_WAKE, + .flags = IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_AFFINITY_PRE_STARTUP, }; static struct irq_chip ioapic_ir_chip __read_mostly = { @@ -1999,7 +2000,8 @@ static struct irq_chip ioapic_ir_chip __read_mostly = { .irq_set_affinity = ioapic_set_affinity, .irq_retrigger = irq_chip_retrigger_hierarchy, .irq_get_irqchip_state = ioapic_irq_get_chip_state, - .flags = IRQCHIP_SKIP_SET_WAKE, + .flags = IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_AFFINITY_PRE_STARTUP, }; static inline void init_IO_APIC_traps(void) diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index 44ebe25e7703..dbacb9ec8843 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -58,11 +58,13 @@ msi_set_affinity(struct irq_data *irqd, const struct cpumask *mask, bool force) * The quirk bit is not set in this case. * - The new vector is the same as the old vector * - The old vector is MANAGED_IRQ_SHUTDOWN_VECTOR (interrupt starts up) + * - The interrupt is not yet started up * - The new destination CPU is the same as the old destination CPU */ if (!irqd_msi_nomask_quirk(irqd) || cfg->vector == old_cfg.vector || old_cfg.vector == MANAGED_IRQ_SHUTDOWN_VECTOR || + !irqd_is_started(irqd) || cfg->dest_apicid == old_cfg.dest_apicid) { irq_msi_update_msg(irqd, cfg); return ret; @@ -150,7 +152,8 @@ static struct irq_chip pci_msi_controller = { .irq_ack = irq_chip_ack_parent, .irq_retrigger = irq_chip_retrigger_hierarchy, .irq_set_affinity = msi_set_affinity, - .flags = IRQCHIP_SKIP_SET_WAKE, + .flags = IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_AFFINITY_PRE_STARTUP, }; int pci_msi_prepare(struct irq_domain *domain, struct device *dev, int nvec, @@ -219,7 +222,8 @@ static struct irq_chip pci_msi_ir_controller = { .irq_mask = pci_msi_mask_irq, .irq_ack = irq_chip_ack_parent, .irq_retrigger = irq_chip_retrigger_hierarchy, - .flags = IRQCHIP_SKIP_SET_WAKE, + .flags = IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_AFFINITY_PRE_STARTUP, }; static struct msi_domain_info pci_msi_ir_domain_info = { @@ -273,7 +277,8 @@ static struct irq_chip dmar_msi_controller = { .irq_retrigger = irq_chip_retrigger_hierarchy, .irq_compose_msi_msg = dmar_msi_compose_msg, .irq_write_msi_msg = dmar_msi_write_msg, - .flags = IRQCHIP_SKIP_SET_WAKE, + .flags = IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_AFFINITY_PRE_STARTUP, }; static int dmar_msi_init(struct irq_domain *domain, diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index fb67ed5e7e6a..c132daabe615 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -1299,7 +1299,7 @@ static void __init print_PIC(void) pr_debug("... PIC ISR: %04x\n", v); - v = inb(0x4d1) << 8 | inb(0x4d0); + v = inb(PIC_ELCR2) << 8 | inb(PIC_ELCR1); pr_debug("... PIC ELCR: %04x\n", v); } diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index b7c003013d41..2131af9f2fa2 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -438,7 +438,7 @@ static void srat_detect_node(struct cpuinfo_x86 *c) node = numa_cpu_node(cpu); if (node == NUMA_NO_NODE) - node = per_cpu(cpu_llc_id, cpu); + node = get_llc_id(cpu); /* * On multi-fabric platform (e.g. Numascale NumaChip) a diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index d41b70fe4918..ecfca3bbcd96 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -43,6 +43,7 @@ static void __init mds_select_mitigation(void); static void __init mds_print_mitigation(void); static void __init taa_select_mitigation(void); static void __init srbds_select_mitigation(void); +static void __init l1d_flush_select_mitigation(void); /* The base value of the SPEC_CTRL MSR that always has to be preserved. */ u64 x86_spec_ctrl_base; @@ -76,6 +77,13 @@ EXPORT_SYMBOL_GPL(mds_user_clear); DEFINE_STATIC_KEY_FALSE(mds_idle_clear); EXPORT_SYMBOL_GPL(mds_idle_clear); +/* + * Controls whether l1d flush based mitigations are enabled, + * based on hw features and admin setting via boot parameter + * defaults to false + */ +DEFINE_STATIC_KEY_FALSE(switch_mm_cond_l1d_flush); + void __init check_bugs(void) { identify_boot_cpu(); @@ -111,6 +119,7 @@ void __init check_bugs(void) mds_select_mitigation(); taa_select_mitigation(); srbds_select_mitigation(); + l1d_flush_select_mitigation(); /* * As MDS and TAA mitigations are inter-related, print MDS @@ -492,6 +501,34 @@ static int __init srbds_parse_cmdline(char *str) early_param("srbds", srbds_parse_cmdline); #undef pr_fmt +#define pr_fmt(fmt) "L1D Flush : " fmt + +enum l1d_flush_mitigations { + L1D_FLUSH_OFF = 0, + L1D_FLUSH_ON, +}; + +static enum l1d_flush_mitigations l1d_flush_mitigation __initdata = L1D_FLUSH_OFF; + +static void __init l1d_flush_select_mitigation(void) +{ + if (!l1d_flush_mitigation || !boot_cpu_has(X86_FEATURE_FLUSH_L1D)) + return; + + static_branch_enable(&switch_mm_cond_l1d_flush); + pr_info("Conditional flush on switch_mm() enabled\n"); +} + +static int __init l1d_flush_parse_cmdline(char *str) +{ + if (!strcmp(str, "on")) + l1d_flush_mitigation = L1D_FLUSH_ON; + + return 0; +} +early_param("l1d_flush", l1d_flush_parse_cmdline); + +#undef pr_fmt #define pr_fmt(fmt) "Spectre V1 : " fmt enum spectre_v1_mitigation { @@ -1215,6 +1252,24 @@ static void task_update_spec_tif(struct task_struct *tsk) speculation_ctrl_update_current(); } +static int l1d_flush_prctl_set(struct task_struct *task, unsigned long ctrl) +{ + + if (!static_branch_unlikely(&switch_mm_cond_l1d_flush)) + return -EPERM; + + switch (ctrl) { + case PR_SPEC_ENABLE: + set_ti_thread_flag(&task->thread_info, TIF_SPEC_L1D_FLUSH); + return 0; + case PR_SPEC_DISABLE: + clear_ti_thread_flag(&task->thread_info, TIF_SPEC_L1D_FLUSH); + return 0; + default: + return -ERANGE; + } +} + static int ssb_prctl_set(struct task_struct *task, unsigned long ctrl) { if (ssb_mode != SPEC_STORE_BYPASS_PRCTL && @@ -1324,6 +1379,8 @@ int arch_prctl_spec_ctrl_set(struct task_struct *task, unsigned long which, return ssb_prctl_set(task, ctrl); case PR_SPEC_INDIRECT_BRANCH: return ib_prctl_set(task, ctrl); + case PR_SPEC_L1D_FLUSH: + return l1d_flush_prctl_set(task, ctrl); default: return -ENODEV; } @@ -1340,6 +1397,17 @@ void arch_seccomp_spec_mitigate(struct task_struct *task) } #endif +static int l1d_flush_prctl_get(struct task_struct *task) +{ + if (!static_branch_unlikely(&switch_mm_cond_l1d_flush)) + return PR_SPEC_FORCE_DISABLE; + + if (test_ti_thread_flag(&task->thread_info, TIF_SPEC_L1D_FLUSH)) + return PR_SPEC_PRCTL | PR_SPEC_ENABLE; + else + return PR_SPEC_PRCTL | PR_SPEC_DISABLE; +} + static int ssb_prctl_get(struct task_struct *task) { switch (ssb_mode) { @@ -1390,6 +1458,8 @@ int arch_prctl_spec_ctrl_get(struct task_struct *task, unsigned long which) return ssb_prctl_get(task); case PR_SPEC_INDIRECT_BRANCH: return ib_prctl_get(task); + case PR_SPEC_L1D_FLUSH: + return l1d_flush_prctl_get(task); default: return -ENODEV; } diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 64b805bd6a54..0f8885949e8c 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -79,6 +79,12 @@ EXPORT_SYMBOL(smp_num_siblings); /* Last level cache ID of each logical CPU */ DEFINE_PER_CPU_READ_MOSTLY(u16, cpu_llc_id) = BAD_APICID; +u16 get_llc_id(unsigned int cpu) +{ + return per_cpu(cpu_llc_id, cpu); +} +EXPORT_SYMBOL_GPL(get_llc_id); + /* correctly size the local cpu masks */ void __init setup_cpu_local_masks(void) { diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 22791aadc085..8cb7816d03b4 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -817,7 +817,10 @@ log_it: if (mca_cfg.dont_log_ce && !mce_usable_address(&m)) goto clear_it; - mce_log(&m); + if (flags & MCP_QUEUE_LOG) + mce_gen_pool_add(&m); + else + mce_log(&m); clear_it: /* @@ -1639,10 +1642,12 @@ static void __mcheck_cpu_init_generic(void) m_fl = MCP_DONTLOG; /* - * Log the machine checks left over from the previous reset. + * Log the machine checks left over from the previous reset. Log them + * only, do not start processing them. That will happen in mcheck_late_init() + * when all consumers have been registered on the notifier chain. */ bitmap_fill(all_banks, MAX_NR_BANKS); - machine_check_poll(MCP_UC | m_fl, &all_banks); + machine_check_poll(MCP_UC | MCP_QUEUE_LOG | m_fl, &all_banks); cr4_set_bits(X86_CR4_MCE); diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c index 4e86d97f9653..0bfc14041bbb 100644 --- a/arch/x86/kernel/cpu/mce/inject.c +++ b/arch/x86/kernel/cpu/mce/inject.c @@ -235,7 +235,7 @@ static void __maybe_unused raise_mce(struct mce *m) unsigned long start; int cpu; - get_online_cpus(); + cpus_read_lock(); cpumask_copy(mce_inject_cpumask, cpu_online_mask); cpumask_clear_cpu(get_cpu(), mce_inject_cpumask); for_each_online_cpu(cpu) { @@ -269,7 +269,7 @@ static void __maybe_unused raise_mce(struct mce *m) } raise_local(); put_cpu(); - put_online_cpus(); + cpus_read_unlock(); } else { preempt_disable(); raise_local(); @@ -529,7 +529,7 @@ static void do_inject(void) cpu = get_nbc_for_node(topology_die_id(cpu)); } - get_online_cpus(); + cpus_read_lock(); if (!cpu_online(cpu)) goto err; @@ -553,7 +553,7 @@ static void do_inject(void) } err: - put_online_cpus(); + cpus_read_unlock(); } diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 6a6318e9590c..efb69be41ab1 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -55,7 +55,7 @@ LIST_HEAD(microcode_cache); * All non cpu-hotplug-callback call sites use: * * - microcode_mutex to synchronize with each other; - * - get/put_online_cpus() to synchronize with + * - cpus_read_lock/unlock() to synchronize with * the cpu-hotplug-callback call sites. * * We guarantee that only a single cpu is being @@ -431,7 +431,7 @@ static ssize_t microcode_write(struct file *file, const char __user *buf, return ret; } - get_online_cpus(); + cpus_read_lock(); mutex_lock(µcode_mutex); if (do_microcode_update(buf, len) == 0) @@ -441,7 +441,7 @@ static ssize_t microcode_write(struct file *file, const char __user *buf, perf_check_microcode(); mutex_unlock(µcode_mutex); - put_online_cpus(); + cpus_read_unlock(); return ret; } @@ -629,7 +629,7 @@ static ssize_t reload_store(struct device *dev, if (val != 1) return size; - get_online_cpus(); + cpus_read_lock(); ret = check_online_cpus(); if (ret) @@ -644,7 +644,7 @@ static ssize_t reload_store(struct device *dev, mutex_unlock(µcode_mutex); put: - put_online_cpus(); + cpus_read_unlock(); if (ret == 0) ret = size; @@ -853,14 +853,14 @@ static int __init microcode_init(void) if (IS_ERR(microcode_pdev)) return PTR_ERR(microcode_pdev); - get_online_cpus(); + cpus_read_lock(); mutex_lock(µcode_mutex); error = subsys_interface_register(&mc_cpu_interface); if (!error) perf_check_microcode(); mutex_unlock(µcode_mutex); - put_online_cpus(); + cpus_read_unlock(); if (error) goto out_pdev; @@ -892,13 +892,13 @@ static int __init microcode_init(void) &cpu_root_microcode_group); out_driver: - get_online_cpus(); + cpus_read_lock(); mutex_lock(µcode_mutex); subsys_interface_unregister(&mc_cpu_interface); mutex_unlock(µcode_mutex); - put_online_cpus(); + cpus_read_unlock(); out_pdev: platform_device_unregister(microcode_pdev); diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index cc8f1773deca..c890d67a64ad 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -237,7 +237,7 @@ static void __init hv_smp_prepare_cpus(unsigned int max_cpus) for_each_present_cpu(i) { if (i == 0) continue; - ret = hv_call_add_logical_proc(numa_cpu_node(i), i, i); + ret = hv_call_add_logical_proc(numa_cpu_node(i), i, cpu_physical_id(i)); BUG_ON(ret); } diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c index a76694bffe86..2746cac9d8a9 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.c +++ b/arch/x86/kernel/cpu/mtrr/mtrr.c @@ -336,7 +336,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, replace = -1; /* No CPU hotplug when we change MTRR entries */ - get_online_cpus(); + cpus_read_lock(); /* Search for existing MTRR */ mutex_lock(&mtrr_mutex); @@ -398,7 +398,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, error = i; out: mutex_unlock(&mtrr_mutex); - put_online_cpus(); + cpus_read_unlock(); return error; } @@ -485,7 +485,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size) max = num_var_ranges; /* No CPU hotplug when we change MTRR entries */ - get_online_cpus(); + cpus_read_lock(); mutex_lock(&mtrr_mutex); if (reg < 0) { /* Search for existing MTRR */ @@ -520,7 +520,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size) error = reg; out: mutex_unlock(&mtrr_mutex); - put_online_cpus(); + cpus_read_unlock(); return error; } diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index 23001ae03e82..4b8813bafffd 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -57,128 +57,57 @@ static void mba_wrmsr_amd(struct rdt_domain *d, struct msr_param *m, struct rdt_resource *r); -#define domain_init(id) LIST_HEAD_INIT(rdt_resources_all[id].domains) +#define domain_init(id) LIST_HEAD_INIT(rdt_resources_all[id].r_resctrl.domains) -struct rdt_resource rdt_resources_all[] = { +struct rdt_hw_resource rdt_resources_all[] = { [RDT_RESOURCE_L3] = { - .rid = RDT_RESOURCE_L3, - .name = "L3", - .domains = domain_init(RDT_RESOURCE_L3), - .msr_base = MSR_IA32_L3_CBM_BASE, - .msr_update = cat_wrmsr, - .cache_level = 3, - .cache = { - .min_cbm_bits = 1, - .cbm_idx_mult = 1, - .cbm_idx_offset = 0, - }, - .parse_ctrlval = parse_cbm, - .format_str = "%d=%0*x", - .fflags = RFTYPE_RES_CACHE, - }, - [RDT_RESOURCE_L3DATA] = - { - .rid = RDT_RESOURCE_L3DATA, - .name = "L3DATA", - .domains = domain_init(RDT_RESOURCE_L3DATA), - .msr_base = MSR_IA32_L3_CBM_BASE, - .msr_update = cat_wrmsr, - .cache_level = 3, - .cache = { - .min_cbm_bits = 1, - .cbm_idx_mult = 2, - .cbm_idx_offset = 0, + .r_resctrl = { + .rid = RDT_RESOURCE_L3, + .name = "L3", + .cache_level = 3, + .cache = { + .min_cbm_bits = 1, + }, + .domains = domain_init(RDT_RESOURCE_L3), + .parse_ctrlval = parse_cbm, + .format_str = "%d=%0*x", + .fflags = RFTYPE_RES_CACHE, }, - .parse_ctrlval = parse_cbm, - .format_str = "%d=%0*x", - .fflags = RFTYPE_RES_CACHE, - }, - [RDT_RESOURCE_L3CODE] = - { - .rid = RDT_RESOURCE_L3CODE, - .name = "L3CODE", - .domains = domain_init(RDT_RESOURCE_L3CODE), .msr_base = MSR_IA32_L3_CBM_BASE, .msr_update = cat_wrmsr, - .cache_level = 3, - .cache = { - .min_cbm_bits = 1, - .cbm_idx_mult = 2, - .cbm_idx_offset = 1, - }, - .parse_ctrlval = parse_cbm, - .format_str = "%d=%0*x", - .fflags = RFTYPE_RES_CACHE, }, [RDT_RESOURCE_L2] = { - .rid = RDT_RESOURCE_L2, - .name = "L2", - .domains = domain_init(RDT_RESOURCE_L2), - .msr_base = MSR_IA32_L2_CBM_BASE, - .msr_update = cat_wrmsr, - .cache_level = 2, - .cache = { - .min_cbm_bits = 1, - .cbm_idx_mult = 1, - .cbm_idx_offset = 0, + .r_resctrl = { + .rid = RDT_RESOURCE_L2, + .name = "L2", + .cache_level = 2, + .cache = { + .min_cbm_bits = 1, + }, + .domains = domain_init(RDT_RESOURCE_L2), + .parse_ctrlval = parse_cbm, + .format_str = "%d=%0*x", + .fflags = RFTYPE_RES_CACHE, }, - .parse_ctrlval = parse_cbm, - .format_str = "%d=%0*x", - .fflags = RFTYPE_RES_CACHE, - }, - [RDT_RESOURCE_L2DATA] = - { - .rid = RDT_RESOURCE_L2DATA, - .name = "L2DATA", - .domains = domain_init(RDT_RESOURCE_L2DATA), .msr_base = MSR_IA32_L2_CBM_BASE, .msr_update = cat_wrmsr, - .cache_level = 2, - .cache = { - .min_cbm_bits = 1, - .cbm_idx_mult = 2, - .cbm_idx_offset = 0, - }, - .parse_ctrlval = parse_cbm, - .format_str = "%d=%0*x", - .fflags = RFTYPE_RES_CACHE, - }, - [RDT_RESOURCE_L2CODE] = - { - .rid = RDT_RESOURCE_L2CODE, - .name = "L2CODE", - .domains = domain_init(RDT_RESOURCE_L2CODE), - .msr_base = MSR_IA32_L2_CBM_BASE, - .msr_update = cat_wrmsr, - .cache_level = 2, - .cache = { - .min_cbm_bits = 1, - .cbm_idx_mult = 2, - .cbm_idx_offset = 1, - }, - .parse_ctrlval = parse_cbm, - .format_str = "%d=%0*x", - .fflags = RFTYPE_RES_CACHE, }, [RDT_RESOURCE_MBA] = { - .rid = RDT_RESOURCE_MBA, - .name = "MB", - .domains = domain_init(RDT_RESOURCE_MBA), - .cache_level = 3, - .parse_ctrlval = parse_bw, - .format_str = "%d=%*u", - .fflags = RFTYPE_RES_MB, + .r_resctrl = { + .rid = RDT_RESOURCE_MBA, + .name = "MB", + .cache_level = 3, + .domains = domain_init(RDT_RESOURCE_MBA), + .parse_ctrlval = parse_bw, + .format_str = "%d=%*u", + .fflags = RFTYPE_RES_MB, + }, }, }; -static unsigned int cbm_idx(struct rdt_resource *r, unsigned int closid) -{ - return closid * r->cache.cbm_idx_mult + r->cache.cbm_idx_offset; -} - /* * cache_alloc_hsw_probe() - Have to probe for Intel haswell server CPUs * as they do not have CPUID enumeration support for Cache allocation. @@ -199,7 +128,8 @@ static unsigned int cbm_idx(struct rdt_resource *r, unsigned int closid) */ static inline void cache_alloc_hsw_probe(void) { - struct rdt_resource *r = &rdt_resources_all[RDT_RESOURCE_L3]; + struct rdt_hw_resource *hw_res = &rdt_resources_all[RDT_RESOURCE_L3]; + struct rdt_resource *r = &hw_res->r_resctrl; u32 l, h, max_cbm = BIT_MASK(20) - 1; if (wrmsr_safe(MSR_IA32_L3_CBM_BASE, max_cbm, 0)) @@ -211,7 +141,7 @@ static inline void cache_alloc_hsw_probe(void) if (l != max_cbm) return; - r->num_closid = 4; + hw_res->num_closid = 4; r->default_ctrl = max_cbm; r->cache.cbm_len = 20; r->cache.shareable_bits = 0xc0000; @@ -225,7 +155,7 @@ static inline void cache_alloc_hsw_probe(void) bool is_mba_sc(struct rdt_resource *r) { if (!r) - return rdt_resources_all[RDT_RESOURCE_MBA].membw.mba_sc; + return rdt_resources_all[RDT_RESOURCE_MBA].r_resctrl.membw.mba_sc; return r->membw.mba_sc; } @@ -253,12 +183,13 @@ static inline bool rdt_get_mb_table(struct rdt_resource *r) static bool __get_mem_config_intel(struct rdt_resource *r) { + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); union cpuid_0x10_3_eax eax; union cpuid_0x10_x_edx edx; u32 ebx, ecx, max_delay; cpuid_count(0x00000010, 3, &eax.full, &ebx, &ecx, &edx.full); - r->num_closid = edx.split.cos_max + 1; + hw_res->num_closid = edx.split.cos_max + 1; max_delay = eax.split.max_delay + 1; r->default_ctrl = MAX_MBA_BW; r->membw.arch_needs_linear = true; @@ -287,12 +218,13 @@ static bool __get_mem_config_intel(struct rdt_resource *r) static bool __rdt_get_mem_config_amd(struct rdt_resource *r) { + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); union cpuid_0x10_3_eax eax; union cpuid_0x10_x_edx edx; u32 ebx, ecx; cpuid_count(0x80000020, 1, &eax.full, &ebx, &ecx, &edx.full); - r->num_closid = edx.split.cos_max + 1; + hw_res->num_closid = edx.split.cos_max + 1; r->default_ctrl = MAX_MBA_BW_AMD; /* AMD does not use delay */ @@ -317,12 +249,13 @@ static bool __rdt_get_mem_config_amd(struct rdt_resource *r) static void rdt_get_cache_alloc_cfg(int idx, struct rdt_resource *r) { + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); union cpuid_0x10_1_eax eax; union cpuid_0x10_x_edx edx; u32 ebx, ecx; cpuid_count(0x00000010, idx, &eax.full, &ebx, &ecx, &edx.full); - r->num_closid = edx.split.cos_max + 1; + hw_res->num_closid = edx.split.cos_max + 1; r->cache.cbm_len = eax.split.cbm_len + 1; r->default_ctrl = BIT_MASK(eax.split.cbm_len + 1) - 1; r->cache.shareable_bits = ebx & r->default_ctrl; @@ -331,43 +264,35 @@ static void rdt_get_cache_alloc_cfg(int idx, struct rdt_resource *r) r->alloc_enabled = true; } -static void rdt_get_cdp_config(int level, int type) +static void rdt_get_cdp_config(int level) { - struct rdt_resource *r_l = &rdt_resources_all[level]; - struct rdt_resource *r = &rdt_resources_all[type]; - - r->num_closid = r_l->num_closid / 2; - r->cache.cbm_len = r_l->cache.cbm_len; - r->default_ctrl = r_l->default_ctrl; - r->cache.shareable_bits = r_l->cache.shareable_bits; - r->data_width = (r->cache.cbm_len + 3) / 4; - r->alloc_capable = true; /* * By default, CDP is disabled. CDP can be enabled by mount parameter * "cdp" during resctrl file system mount time. */ - r->alloc_enabled = false; + rdt_resources_all[level].cdp_enabled = false; + rdt_resources_all[level].r_resctrl.cdp_capable = true; } static void rdt_get_cdp_l3_config(void) { - rdt_get_cdp_config(RDT_RESOURCE_L3, RDT_RESOURCE_L3DATA); - rdt_get_cdp_config(RDT_RESOURCE_L3, RDT_RESOURCE_L3CODE); + rdt_get_cdp_config(RDT_RESOURCE_L3); } static void rdt_get_cdp_l2_config(void) { - rdt_get_cdp_config(RDT_RESOURCE_L2, RDT_RESOURCE_L2DATA); - rdt_get_cdp_config(RDT_RESOURCE_L2, RDT_RESOURCE_L2CODE); + rdt_get_cdp_config(RDT_RESOURCE_L2); } static void mba_wrmsr_amd(struct rdt_domain *d, struct msr_param *m, struct rdt_resource *r) { unsigned int i; + struct rdt_hw_domain *hw_dom = resctrl_to_arch_dom(d); + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); for (i = m->low; i < m->high; i++) - wrmsrl(r->msr_base + i, d->ctrl_val[i]); + wrmsrl(hw_res->msr_base + i, hw_dom->ctrl_val[i]); } /* @@ -389,19 +314,23 @@ mba_wrmsr_intel(struct rdt_domain *d, struct msr_param *m, struct rdt_resource *r) { unsigned int i; + struct rdt_hw_domain *hw_dom = resctrl_to_arch_dom(d); + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); /* Write the delay values for mba. */ for (i = m->low; i < m->high; i++) - wrmsrl(r->msr_base + i, delay_bw_map(d->ctrl_val[i], r)); + wrmsrl(hw_res->msr_base + i, delay_bw_map(hw_dom->ctrl_val[i], r)); } static void cat_wrmsr(struct rdt_domain *d, struct msr_param *m, struct rdt_resource *r) { unsigned int i; + struct rdt_hw_domain *hw_dom = resctrl_to_arch_dom(d); + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); for (i = m->low; i < m->high; i++) - wrmsrl(r->msr_base + cbm_idx(r, i), d->ctrl_val[i]); + wrmsrl(hw_res->msr_base + i, hw_dom->ctrl_val[i]); } struct rdt_domain *get_domain_from_cpu(int cpu, struct rdt_resource *r) @@ -417,16 +346,22 @@ struct rdt_domain *get_domain_from_cpu(int cpu, struct rdt_resource *r) return NULL; } +u32 resctrl_arch_get_num_closid(struct rdt_resource *r) +{ + return resctrl_to_arch_res(r)->num_closid; +} + void rdt_ctrl_update(void *arg) { struct msr_param *m = arg; + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(m->res); struct rdt_resource *r = m->res; int cpu = smp_processor_id(); struct rdt_domain *d; d = get_domain_from_cpu(cpu, r); if (d) { - r->msr_update(d, m, r); + hw_res->msr_update(d, m, r); return; } pr_warn_once("cpu %d not found in any domain for resource %s\n", @@ -468,6 +403,7 @@ struct rdt_domain *rdt_find_domain(struct rdt_resource *r, int id, void setup_default_ctrlval(struct rdt_resource *r, u32 *dc, u32 *dm) { + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); int i; /* @@ -476,7 +412,7 @@ void setup_default_ctrlval(struct rdt_resource *r, u32 *dc, u32 *dm) * For Memory Allocation: Set b/w requested to 100% * and the bandwidth in MBps to U32_MAX */ - for (i = 0; i < r->num_closid; i++, dc++, dm++) { + for (i = 0; i < hw_res->num_closid; i++, dc++, dm++) { *dc = r->default_ctrl; *dm = MBA_MAX_MBPS; } @@ -484,26 +420,30 @@ void setup_default_ctrlval(struct rdt_resource *r, u32 *dc, u32 *dm) static int domain_setup_ctrlval(struct rdt_resource *r, struct rdt_domain *d) { + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); + struct rdt_hw_domain *hw_dom = resctrl_to_arch_dom(d); struct msr_param m; u32 *dc, *dm; - dc = kmalloc_array(r->num_closid, sizeof(*d->ctrl_val), GFP_KERNEL); + dc = kmalloc_array(hw_res->num_closid, sizeof(*hw_dom->ctrl_val), + GFP_KERNEL); if (!dc) return -ENOMEM; - dm = kmalloc_array(r->num_closid, sizeof(*d->mbps_val), GFP_KERNEL); + dm = kmalloc_array(hw_res->num_closid, sizeof(*hw_dom->mbps_val), + GFP_KERNEL); if (!dm) { kfree(dc); return -ENOMEM; } - d->ctrl_val = dc; - d->mbps_val = dm; + hw_dom->ctrl_val = dc; + hw_dom->mbps_val = dm; setup_default_ctrlval(r, dc, dm); m.low = 0; - m.high = r->num_closid; - r->msr_update(d, &m, r); + m.high = hw_res->num_closid; + hw_res->msr_update(d, &m, r); return 0; } @@ -560,6 +500,7 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r) { int id = get_cpu_cacheinfo_id(cpu, r->cache_level); struct list_head *add_pos = NULL; + struct rdt_hw_domain *hw_dom; struct rdt_domain *d; d = rdt_find_domain(r, id, &add_pos); @@ -575,10 +516,11 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r) return; } - d = kzalloc_node(sizeof(*d), GFP_KERNEL, cpu_to_node(cpu)); - if (!d) + hw_dom = kzalloc_node(sizeof(*hw_dom), GFP_KERNEL, cpu_to_node(cpu)); + if (!hw_dom) return; + d = &hw_dom->d_resctrl; d->id = id; cpumask_set_cpu(cpu, &d->cpu_mask); @@ -607,6 +549,7 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r) static void domain_remove_cpu(int cpu, struct rdt_resource *r) { int id = get_cpu_cacheinfo_id(cpu, r->cache_level); + struct rdt_hw_domain *hw_dom; struct rdt_domain *d; d = rdt_find_domain(r, id, NULL); @@ -614,6 +557,7 @@ static void domain_remove_cpu(int cpu, struct rdt_resource *r) pr_warn("Couldn't find cache id for CPU %d\n", cpu); return; } + hw_dom = resctrl_to_arch_dom(d); cpumask_clear_cpu(cpu, &d->cpu_mask); if (cpumask_empty(&d->cpu_mask)) { @@ -646,16 +590,16 @@ static void domain_remove_cpu(int cpu, struct rdt_resource *r) if (d->plr) d->plr->d = NULL; - kfree(d->ctrl_val); - kfree(d->mbps_val); + kfree(hw_dom->ctrl_val); + kfree(hw_dom->mbps_val); bitmap_free(d->rmid_busy_llc); kfree(d->mbm_total); kfree(d->mbm_local); - kfree(d); + kfree(hw_dom); return; } - if (r == &rdt_resources_all[RDT_RESOURCE_L3]) { + if (r == &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl) { if (is_mbm_enabled() && cpu == d->mbm_work_cpu) { cancel_delayed_work(&d->mbm_over); mbm_setup_overflow_handler(d, 0); @@ -732,13 +676,8 @@ static int resctrl_offline_cpu(unsigned int cpu) static __init void rdt_init_padding(void) { struct rdt_resource *r; - int cl; for_each_alloc_capable_rdt_resource(r) { - cl = strlen(r->name); - if (cl > max_name_width) - max_name_width = cl; - if (r->data_width > max_data_width) max_data_width = r->data_width; } @@ -827,19 +766,22 @@ static bool __init rdt_cpu_has(int flag) static __init bool get_mem_config(void) { + struct rdt_hw_resource *hw_res = &rdt_resources_all[RDT_RESOURCE_MBA]; + if (!rdt_cpu_has(X86_FEATURE_MBA)) return false; if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) - return __get_mem_config_intel(&rdt_resources_all[RDT_RESOURCE_MBA]); + return __get_mem_config_intel(&hw_res->r_resctrl); else if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) - return __rdt_get_mem_config_amd(&rdt_resources_all[RDT_RESOURCE_MBA]); + return __rdt_get_mem_config_amd(&hw_res->r_resctrl); return false; } static __init bool get_rdt_alloc_resources(void) { + struct rdt_resource *r; bool ret = false; if (rdt_alloc_capable) @@ -849,14 +791,16 @@ static __init bool get_rdt_alloc_resources(void) return false; if (rdt_cpu_has(X86_FEATURE_CAT_L3)) { - rdt_get_cache_alloc_cfg(1, &rdt_resources_all[RDT_RESOURCE_L3]); + r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; + rdt_get_cache_alloc_cfg(1, r); if (rdt_cpu_has(X86_FEATURE_CDP_L3)) rdt_get_cdp_l3_config(); ret = true; } if (rdt_cpu_has(X86_FEATURE_CAT_L2)) { /* CPUID 0x10.2 fields are same format at 0x10.1 */ - rdt_get_cache_alloc_cfg(2, &rdt_resources_all[RDT_RESOURCE_L2]); + r = &rdt_resources_all[RDT_RESOURCE_L2].r_resctrl; + rdt_get_cache_alloc_cfg(2, r); if (rdt_cpu_has(X86_FEATURE_CDP_L2)) rdt_get_cdp_l2_config(); ret = true; @@ -870,6 +814,8 @@ static __init bool get_rdt_alloc_resources(void) static __init bool get_rdt_mon_resources(void) { + struct rdt_resource *r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; + if (rdt_cpu_has(X86_FEATURE_CQM_OCCUP_LLC)) rdt_mon_features |= (1 << QOS_L3_OCCUP_EVENT_ID); if (rdt_cpu_has(X86_FEATURE_CQM_MBM_TOTAL)) @@ -880,7 +826,7 @@ static __init bool get_rdt_mon_resources(void) if (!rdt_mon_features) return false; - return !rdt_get_mon_l3_config(&rdt_resources_all[RDT_RESOURCE_L3]); + return !rdt_get_mon_l3_config(r); } static __init void __check_quirks_intel(void) @@ -918,42 +864,40 @@ static __init bool get_rdt_resources(void) static __init void rdt_init_res_defs_intel(void) { + struct rdt_hw_resource *hw_res; struct rdt_resource *r; for_each_rdt_resource(r) { + hw_res = resctrl_to_arch_res(r); + if (r->rid == RDT_RESOURCE_L3 || - r->rid == RDT_RESOURCE_L3DATA || - r->rid == RDT_RESOURCE_L3CODE || - r->rid == RDT_RESOURCE_L2 || - r->rid == RDT_RESOURCE_L2DATA || - r->rid == RDT_RESOURCE_L2CODE) { + r->rid == RDT_RESOURCE_L2) { r->cache.arch_has_sparse_bitmaps = false; r->cache.arch_has_empty_bitmaps = false; r->cache.arch_has_per_cpu_cfg = false; } else if (r->rid == RDT_RESOURCE_MBA) { - r->msr_base = MSR_IA32_MBA_THRTL_BASE; - r->msr_update = mba_wrmsr_intel; + hw_res->msr_base = MSR_IA32_MBA_THRTL_BASE; + hw_res->msr_update = mba_wrmsr_intel; } } } static __init void rdt_init_res_defs_amd(void) { + struct rdt_hw_resource *hw_res; struct rdt_resource *r; for_each_rdt_resource(r) { + hw_res = resctrl_to_arch_res(r); + if (r->rid == RDT_RESOURCE_L3 || - r->rid == RDT_RESOURCE_L3DATA || - r->rid == RDT_RESOURCE_L3CODE || - r->rid == RDT_RESOURCE_L2 || - r->rid == RDT_RESOURCE_L2DATA || - r->rid == RDT_RESOURCE_L2CODE) { + r->rid == RDT_RESOURCE_L2) { r->cache.arch_has_sparse_bitmaps = true; r->cache.arch_has_empty_bitmaps = true; r->cache.arch_has_per_cpu_cfg = true; } else if (r->rid == RDT_RESOURCE_MBA) { - r->msr_base = MSR_IA32_MBA_BW_BASE; - r->msr_update = mba_wrmsr_amd; + hw_res->msr_base = MSR_IA32_MBA_BW_BASE; + hw_res->msr_update = mba_wrmsr_amd; } } } diff --git a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c index c877642e8a14..87666275eed9 100644 --- a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c +++ b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c @@ -57,20 +57,23 @@ static bool bw_validate(char *buf, unsigned long *data, struct rdt_resource *r) return true; } -int parse_bw(struct rdt_parse_data *data, struct rdt_resource *r, +int parse_bw(struct rdt_parse_data *data, struct resctrl_schema *s, struct rdt_domain *d) { + struct resctrl_staged_config *cfg; + struct rdt_resource *r = s->res; unsigned long bw_val; - if (d->have_new_ctrl) { + cfg = &d->staged_config[s->conf_type]; + if (cfg->have_new_ctrl) { rdt_last_cmd_printf("Duplicate domain %d\n", d->id); return -EINVAL; } if (!bw_validate(data->buf, &bw_val, r)) return -EINVAL; - d->new_ctrl = bw_val; - d->have_new_ctrl = true; + cfg->new_ctrl = bw_val; + cfg->have_new_ctrl = true; return 0; } @@ -125,13 +128,16 @@ static bool cbm_validate(char *buf, u32 *data, struct rdt_resource *r) * Read one cache bit mask (hex). Check that it is valid for the current * resource type. */ -int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r, +int parse_cbm(struct rdt_parse_data *data, struct resctrl_schema *s, struct rdt_domain *d) { struct rdtgroup *rdtgrp = data->rdtgrp; + struct resctrl_staged_config *cfg; + struct rdt_resource *r = s->res; u32 cbm_val; - if (d->have_new_ctrl) { + cfg = &d->staged_config[s->conf_type]; + if (cfg->have_new_ctrl) { rdt_last_cmd_printf("Duplicate domain %d\n", d->id); return -EINVAL; } @@ -160,12 +166,12 @@ int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r, * The CBM may not overlap with the CBM of another closid if * either is exclusive. */ - if (rdtgroup_cbm_overlaps(r, d, cbm_val, rdtgrp->closid, true)) { + if (rdtgroup_cbm_overlaps(s, d, cbm_val, rdtgrp->closid, true)) { rdt_last_cmd_puts("Overlaps with exclusive group\n"); return -EINVAL; } - if (rdtgroup_cbm_overlaps(r, d, cbm_val, rdtgrp->closid, false)) { + if (rdtgroup_cbm_overlaps(s, d, cbm_val, rdtgrp->closid, false)) { if (rdtgrp->mode == RDT_MODE_EXCLUSIVE || rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) { rdt_last_cmd_puts("Overlaps with other group\n"); @@ -173,8 +179,8 @@ int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r, } } - d->new_ctrl = cbm_val; - d->have_new_ctrl = true; + cfg->new_ctrl = cbm_val; + cfg->have_new_ctrl = true; return 0; } @@ -185,9 +191,12 @@ int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r, * separated by ";". The "id" is in decimal, and must match one of * the "id"s for this resource. */ -static int parse_line(char *line, struct rdt_resource *r, +static int parse_line(char *line, struct resctrl_schema *s, struct rdtgroup *rdtgrp) { + enum resctrl_conf_type t = s->conf_type; + struct resctrl_staged_config *cfg; + struct rdt_resource *r = s->res; struct rdt_parse_data data; char *dom = NULL, *id; struct rdt_domain *d; @@ -213,9 +222,10 @@ next: if (d->id == dom_id) { data.buf = dom; data.rdtgrp = rdtgrp; - if (r->parse_ctrlval(&data, r, d)) + if (r->parse_ctrlval(&data, s, d)) return -EINVAL; if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) { + cfg = &d->staged_config[t]; /* * In pseudo-locking setup mode and just * parsed a valid CBM that should be @@ -224,9 +234,9 @@ next: * the required initialization for single * region and return. */ - rdtgrp->plr->r = r; + rdtgrp->plr->s = s; rdtgrp->plr->d = d; - rdtgrp->plr->cbm = d->new_ctrl; + rdtgrp->plr->cbm = cfg->new_ctrl; d->plr = rdtgrp->plr; return 0; } @@ -236,28 +246,72 @@ next: return -EINVAL; } -int update_domains(struct rdt_resource *r, int closid) +static u32 get_config_index(u32 closid, enum resctrl_conf_type type) { + switch (type) { + default: + case CDP_NONE: + return closid; + case CDP_CODE: + return closid * 2 + 1; + case CDP_DATA: + return closid * 2; + } +} + +static bool apply_config(struct rdt_hw_domain *hw_dom, + struct resctrl_staged_config *cfg, u32 idx, + cpumask_var_t cpu_mask, bool mba_sc) +{ + struct rdt_domain *dom = &hw_dom->d_resctrl; + u32 *dc = !mba_sc ? hw_dom->ctrl_val : hw_dom->mbps_val; + + if (cfg->new_ctrl != dc[idx]) { + cpumask_set_cpu(cpumask_any(&dom->cpu_mask), cpu_mask); + dc[idx] = cfg->new_ctrl; + + return true; + } + + return false; +} + +int resctrl_arch_update_domains(struct rdt_resource *r, u32 closid) +{ + struct resctrl_staged_config *cfg; + struct rdt_hw_domain *hw_dom; struct msr_param msr_param; + enum resctrl_conf_type t; cpumask_var_t cpu_mask; struct rdt_domain *d; bool mba_sc; - u32 *dc; int cpu; + u32 idx; if (!zalloc_cpumask_var(&cpu_mask, GFP_KERNEL)) return -ENOMEM; - msr_param.low = closid; - msr_param.high = msr_param.low + 1; - msr_param.res = r; - mba_sc = is_mba_sc(r); + msr_param.res = NULL; list_for_each_entry(d, &r->domains, list) { - dc = !mba_sc ? d->ctrl_val : d->mbps_val; - if (d->have_new_ctrl && d->new_ctrl != dc[closid]) { - cpumask_set_cpu(cpumask_any(&d->cpu_mask), cpu_mask); - dc[closid] = d->new_ctrl; + hw_dom = resctrl_to_arch_dom(d); + for (t = 0; t < CDP_NUM_TYPES; t++) { + cfg = &hw_dom->d_resctrl.staged_config[t]; + if (!cfg->have_new_ctrl) + continue; + + idx = get_config_index(closid, t); + if (!apply_config(hw_dom, cfg, idx, cpu_mask, mba_sc)) + continue; + + if (!msr_param.res) { + msr_param.low = idx; + msr_param.high = msr_param.low + 1; + msr_param.res = r; + } else { + msr_param.low = min(msr_param.low, idx); + msr_param.high = max(msr_param.high, idx + 1); + } } } @@ -284,11 +338,11 @@ done: static int rdtgroup_parse_resource(char *resname, char *tok, struct rdtgroup *rdtgrp) { - struct rdt_resource *r; + struct resctrl_schema *s; - for_each_alloc_enabled_rdt_resource(r) { - if (!strcmp(resname, r->name) && rdtgrp->closid < r->num_closid) - return parse_line(tok, r, rdtgrp); + list_for_each_entry(s, &resctrl_schema_all, list) { + if (!strcmp(resname, s->name) && rdtgrp->closid < s->num_closid) + return parse_line(tok, s, rdtgrp); } rdt_last_cmd_printf("Unknown or unsupported resource name '%s'\n", resname); return -EINVAL; @@ -297,6 +351,7 @@ static int rdtgroup_parse_resource(char *resname, char *tok, ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off) { + struct resctrl_schema *s; struct rdtgroup *rdtgrp; struct rdt_domain *dom; struct rdt_resource *r; @@ -327,9 +382,9 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, goto out; } - for_each_alloc_enabled_rdt_resource(r) { - list_for_each_entry(dom, &r->domains, list) - dom->have_new_ctrl = false; + list_for_each_entry(s, &resctrl_schema_all, list) { + list_for_each_entry(dom, &s->res->domains, list) + memset(dom->staged_config, 0, sizeof(dom->staged_config)); } while ((tok = strsep(&buf, "\n")) != NULL) { @@ -349,8 +404,9 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, goto out; } - for_each_alloc_enabled_rdt_resource(r) { - ret = update_domains(r, rdtgrp->closid); + list_for_each_entry(s, &resctrl_schema_all, list) { + r = s->res; + ret = resctrl_arch_update_domains(r, rdtgrp->closid); if (ret) goto out; } @@ -371,19 +427,31 @@ out: return ret ?: nbytes; } -static void show_doms(struct seq_file *s, struct rdt_resource *r, int closid) +u32 resctrl_arch_get_config(struct rdt_resource *r, struct rdt_domain *d, + u32 closid, enum resctrl_conf_type type) +{ + struct rdt_hw_domain *hw_dom = resctrl_to_arch_dom(d); + u32 idx = get_config_index(closid, type); + + if (!is_mba_sc(r)) + return hw_dom->ctrl_val[idx]; + return hw_dom->mbps_val[idx]; +} + +static void show_doms(struct seq_file *s, struct resctrl_schema *schema, int closid) { + struct rdt_resource *r = schema->res; struct rdt_domain *dom; bool sep = false; u32 ctrl_val; - seq_printf(s, "%*s:", max_name_width, r->name); + seq_printf(s, "%*s:", max_name_width, schema->name); list_for_each_entry(dom, &r->domains, list) { if (sep) seq_puts(s, ";"); - ctrl_val = (!is_mba_sc(r) ? dom->ctrl_val[closid] : - dom->mbps_val[closid]); + ctrl_val = resctrl_arch_get_config(r, dom, closid, + schema->conf_type); seq_printf(s, r->format_str, dom->id, max_data_width, ctrl_val); sep = true; @@ -394,16 +462,17 @@ static void show_doms(struct seq_file *s, struct rdt_resource *r, int closid) int rdtgroup_schemata_show(struct kernfs_open_file *of, struct seq_file *s, void *v) { + struct resctrl_schema *schema; struct rdtgroup *rdtgrp; - struct rdt_resource *r; int ret = 0; u32 closid; rdtgrp = rdtgroup_kn_lock_live(of->kn); if (rdtgrp) { if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) { - for_each_alloc_enabled_rdt_resource(r) - seq_printf(s, "%s:uninitialized\n", r->name); + list_for_each_entry(schema, &resctrl_schema_all, list) { + seq_printf(s, "%s:uninitialized\n", schema->name); + } } else if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKED) { if (!rdtgrp->plr->d) { rdt_last_cmd_clear(); @@ -411,15 +480,15 @@ int rdtgroup_schemata_show(struct kernfs_open_file *of, ret = -ENODEV; } else { seq_printf(s, "%s:%d=%x\n", - rdtgrp->plr->r->name, + rdtgrp->plr->s->res->name, rdtgrp->plr->d->id, rdtgrp->plr->cbm); } } else { closid = rdtgrp->closid; - for_each_alloc_enabled_rdt_resource(r) { - if (closid < r->num_closid) - show_doms(s, r, closid); + list_for_each_entry(schema, &resctrl_schema_all, list) { + if (closid < schema->num_closid) + show_doms(s, schema, closid); } } } else { @@ -449,6 +518,7 @@ void mon_event_read(struct rmid_read *rr, struct rdt_resource *r, int rdtgroup_mondata_show(struct seq_file *m, void *arg) { struct kernfs_open_file *of = m->private; + struct rdt_hw_resource *hw_res; u32 resid, evtid, domid; struct rdtgroup *rdtgrp; struct rdt_resource *r; @@ -468,7 +538,8 @@ int rdtgroup_mondata_show(struct seq_file *m, void *arg) domid = md.u.domid; evtid = md.u.evtid; - r = &rdt_resources_all[resid]; + hw_res = &rdt_resources_all[resid]; + r = &hw_res->r_resctrl; d = rdt_find_domain(r, domid, NULL); if (IS_ERR_OR_NULL(d)) { ret = -ENOENT; @@ -482,7 +553,7 @@ int rdtgroup_mondata_show(struct seq_file *m, void *arg) else if (rr.val & RMID_VAL_UNAVAIL) seq_puts(m, "Unavailable\n"); else - seq_printf(m, "%llu\n", rr.val * r->mon_scale); + seq_printf(m, "%llu\n", rr.val * hw_res->mon_scale); out: rdtgroup_kn_unlock(of->kn); diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h index 6a5f60a37219..1d647188a43b 100644 --- a/arch/x86/kernel/cpu/resctrl/internal.h +++ b/arch/x86/kernel/cpu/resctrl/internal.h @@ -2,6 +2,7 @@ #ifndef _ASM_X86_RESCTRL_INTERNAL_H #define _ASM_X86_RESCTRL_INTERNAL_H +#include <linux/resctrl.h> #include <linux/sched.h> #include <linux/kernfs.h> #include <linux/fs_context.h> @@ -109,6 +110,7 @@ extern unsigned int resctrl_cqm_threshold; extern bool rdt_alloc_capable; extern bool rdt_mon_capable; extern unsigned int rdt_mon_features; +extern struct list_head resctrl_schema_all; enum rdt_group_type { RDTCTRL_GROUP = 0, @@ -161,8 +163,8 @@ struct mongroup { /** * struct pseudo_lock_region - pseudo-lock region information - * @r: RDT resource to which this pseudo-locked region - * belongs + * @s: Resctrl schema for the resource to which this + * pseudo-locked region belongs * @d: RDT domain to which this pseudo-locked region * belongs * @cbm: bitmask of the pseudo-locked region @@ -182,7 +184,7 @@ struct mongroup { * @pm_reqs: Power management QoS requests related to this region */ struct pseudo_lock_region { - struct rdt_resource *r; + struct resctrl_schema *s; struct rdt_domain *d; u32 cbm; wait_queue_head_t lock_thread_wq; @@ -303,44 +305,25 @@ struct mbm_state { }; /** - * struct rdt_domain - group of cpus sharing an RDT resource - * @list: all instances of this resource - * @id: unique id for this instance - * @cpu_mask: which cpus share this resource - * @rmid_busy_llc: - * bitmap of which limbo RMIDs are above threshold - * @mbm_total: saved state for MBM total bandwidth - * @mbm_local: saved state for MBM local bandwidth - * @mbm_over: worker to periodically read MBM h/w counters - * @cqm_limbo: worker to periodically read CQM h/w counters - * @mbm_work_cpu: - * worker cpu for MBM h/w counters - * @cqm_work_cpu: - * worker cpu for CQM h/w counters + * struct rdt_hw_domain - Arch private attributes of a set of CPUs that share + * a resource + * @d_resctrl: Properties exposed to the resctrl file system * @ctrl_val: array of cache or mem ctrl values (indexed by CLOSID) * @mbps_val: When mba_sc is enabled, this holds the bandwidth in MBps - * @new_ctrl: new ctrl value to be loaded - * @have_new_ctrl: did user provide new_ctrl for this domain - * @plr: pseudo-locked region (if any) associated with domain + * + * Members of this structure are accessed via helpers that provide abstraction. */ -struct rdt_domain { - struct list_head list; - int id; - struct cpumask cpu_mask; - unsigned long *rmid_busy_llc; - struct mbm_state *mbm_total; - struct mbm_state *mbm_local; - struct delayed_work mbm_over; - struct delayed_work cqm_limbo; - int mbm_work_cpu; - int cqm_work_cpu; +struct rdt_hw_domain { + struct rdt_domain d_resctrl; u32 *ctrl_val; u32 *mbps_val; - u32 new_ctrl; - bool have_new_ctrl; - struct pseudo_lock_region *plr; }; +static inline struct rdt_hw_domain *resctrl_to_arch_dom(struct rdt_domain *r) +{ + return container_of(r, struct rdt_hw_domain, d_resctrl); +} + /** * struct msr_param - set a range of MSRs from a domain * @res: The resource to use @@ -349,69 +332,8 @@ struct rdt_domain { */ struct msr_param { struct rdt_resource *res; - int low; - int high; -}; - -/** - * struct rdt_cache - Cache allocation related data - * @cbm_len: Length of the cache bit mask - * @min_cbm_bits: Minimum number of consecutive bits to be set - * @cbm_idx_mult: Multiplier of CBM index - * @cbm_idx_offset: Offset of CBM index. CBM index is computed by: - * closid * cbm_idx_multi + cbm_idx_offset - * in a cache bit mask - * @shareable_bits: Bitmask of shareable resource with other - * executing entities - * @arch_has_sparse_bitmaps: True if a bitmap like f00f is valid. - * @arch_has_empty_bitmaps: True if the '0' bitmap is valid. - * @arch_has_per_cpu_cfg: True if QOS_CFG register for this cache - * level has CPU scope. - */ -struct rdt_cache { - unsigned int cbm_len; - unsigned int min_cbm_bits; - unsigned int cbm_idx_mult; - unsigned int cbm_idx_offset; - unsigned int shareable_bits; - bool arch_has_sparse_bitmaps; - bool arch_has_empty_bitmaps; - bool arch_has_per_cpu_cfg; -}; - -/** - * enum membw_throttle_mode - System's memory bandwidth throttling mode - * @THREAD_THROTTLE_UNDEFINED: Not relevant to the system - * @THREAD_THROTTLE_MAX: Memory bandwidth is throttled at the core - * always using smallest bandwidth percentage - * assigned to threads, aka "max throttling" - * @THREAD_THROTTLE_PER_THREAD: Memory bandwidth is throttled at the thread - */ -enum membw_throttle_mode { - THREAD_THROTTLE_UNDEFINED = 0, - THREAD_THROTTLE_MAX, - THREAD_THROTTLE_PER_THREAD, -}; - -/** - * struct rdt_membw - Memory bandwidth allocation related data - * @min_bw: Minimum memory bandwidth percentage user can request - * @bw_gran: Granularity at which the memory bandwidth is allocated - * @delay_linear: True if memory B/W delay is in linear scale - * @arch_needs_linear: True if we can't configure non-linear resources - * @throttle_mode: Bandwidth throttling mode when threads request - * different memory bandwidths - * @mba_sc: True if MBA software controller(mba_sc) is enabled - * @mb_map: Mapping of memory B/W percentage to memory B/W delay - */ -struct rdt_membw { - u32 min_bw; - u32 bw_gran; - u32 delay_linear; - bool arch_needs_linear; - enum membw_throttle_mode throttle_mode; - bool mba_sc; - u32 *mb_map; + u32 low; + u32 high; }; static inline bool is_llc_occupancy_enabled(void) @@ -446,111 +368,103 @@ struct rdt_parse_data { }; /** - * struct rdt_resource - attributes of an RDT resource - * @rid: The index of the resource - * @alloc_enabled: Is allocation enabled on this machine - * @mon_enabled: Is monitoring enabled for this feature - * @alloc_capable: Is allocation available on this machine - * @mon_capable: Is monitor feature available on this machine - * @name: Name to use in "schemata" file - * @num_closid: Number of CLOSIDs available - * @cache_level: Which cache level defines scope of this resource - * @default_ctrl: Specifies default cache cbm or memory B/W percent. + * struct rdt_hw_resource - arch private attributes of a resctrl resource + * @r_resctrl: Attributes of the resource used directly by resctrl. + * @num_closid: Maximum number of closid this hardware can support, + * regardless of CDP. This is exposed via + * resctrl_arch_get_num_closid() to avoid confusion + * with struct resctrl_schema's property of the same name, + * which has been corrected for features like CDP. * @msr_base: Base MSR address for CBMs * @msr_update: Function pointer to update QOS MSRs - * @data_width: Character width of data when displaying - * @domains: All domains for this resource - * @cache: Cache allocation related data - * @membw: If the component has bandwidth controls, their properties. - * @format_str: Per resource format string to show domain value - * @parse_ctrlval: Per resource function pointer to parse control values - * @evt_list: List of monitoring events - * @num_rmid: Number of RMIDs available * @mon_scale: cqm counter * mon_scale = occupancy in bytes * @mbm_width: Monitor width, to detect and correct for overflow. - * @fflags: flags to choose base and info files + * @cdp_enabled: CDP state of this resource + * + * Members of this structure are either private to the architecture + * e.g. mbm_width, or accessed via helpers that provide abstraction. e.g. + * msr_update and msr_base. */ -struct rdt_resource { - int rid; - bool alloc_enabled; - bool mon_enabled; - bool alloc_capable; - bool mon_capable; - char *name; - int num_closid; - int cache_level; - u32 default_ctrl; +struct rdt_hw_resource { + struct rdt_resource r_resctrl; + u32 num_closid; unsigned int msr_base; void (*msr_update) (struct rdt_domain *d, struct msr_param *m, struct rdt_resource *r); - int data_width; - struct list_head domains; - struct rdt_cache cache; - struct rdt_membw membw; - const char *format_str; - int (*parse_ctrlval)(struct rdt_parse_data *data, - struct rdt_resource *r, - struct rdt_domain *d); - struct list_head evt_list; - int num_rmid; unsigned int mon_scale; unsigned int mbm_width; - unsigned long fflags; + bool cdp_enabled; }; -int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r, +static inline struct rdt_hw_resource *resctrl_to_arch_res(struct rdt_resource *r) +{ + return container_of(r, struct rdt_hw_resource, r_resctrl); +} + +int parse_cbm(struct rdt_parse_data *data, struct resctrl_schema *s, struct rdt_domain *d); -int parse_bw(struct rdt_parse_data *data, struct rdt_resource *r, +int parse_bw(struct rdt_parse_data *data, struct resctrl_schema *s, struct rdt_domain *d); extern struct mutex rdtgroup_mutex; -extern struct rdt_resource rdt_resources_all[]; +extern struct rdt_hw_resource rdt_resources_all[]; extern struct rdtgroup rdtgroup_default; DECLARE_STATIC_KEY_FALSE(rdt_alloc_enable_key); extern struct dentry *debugfs_resctrl; -enum { +enum resctrl_res_level { RDT_RESOURCE_L3, - RDT_RESOURCE_L3DATA, - RDT_RESOURCE_L3CODE, RDT_RESOURCE_L2, - RDT_RESOURCE_L2DATA, - RDT_RESOURCE_L2CODE, RDT_RESOURCE_MBA, /* Must be the last */ RDT_NUM_RESOURCES, }; +static inline struct rdt_resource *resctrl_inc(struct rdt_resource *res) +{ + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(res); + + hw_res++; + return &hw_res->r_resctrl; +} + +static inline bool resctrl_arch_get_cdp_enabled(enum resctrl_res_level l) +{ + return rdt_resources_all[l].cdp_enabled; +} + +int resctrl_arch_set_cdp_enabled(enum resctrl_res_level l, bool enable); + +/* + * To return the common struct rdt_resource, which is contained in struct + * rdt_hw_resource, walk the resctrl member of struct rdt_hw_resource. + */ #define for_each_rdt_resource(r) \ - for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ - r++) + for (r = &rdt_resources_all[0].r_resctrl; \ + r <= &rdt_resources_all[RDT_NUM_RESOURCES - 1].r_resctrl; \ + r = resctrl_inc(r)) #define for_each_capable_rdt_resource(r) \ - for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ - r++) \ + for_each_rdt_resource(r) \ if (r->alloc_capable || r->mon_capable) #define for_each_alloc_capable_rdt_resource(r) \ - for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ - r++) \ + for_each_rdt_resource(r) \ if (r->alloc_capable) #define for_each_mon_capable_rdt_resource(r) \ - for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ - r++) \ + for_each_rdt_resource(r) \ if (r->mon_capable) #define for_each_alloc_enabled_rdt_resource(r) \ - for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ - r++) \ + for_each_rdt_resource(r) \ if (r->alloc_enabled) #define for_each_mon_enabled_rdt_resource(r) \ - for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ - r++) \ + for_each_rdt_resource(r) \ if (r->mon_enabled) /* CPUID.(EAX=10H, ECX=ResID=1).EAX */ @@ -594,7 +508,7 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off); int rdtgroup_schemata_show(struct kernfs_open_file *of, struct seq_file *s, void *v); -bool rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d, +bool rdtgroup_cbm_overlaps(struct resctrl_schema *s, struct rdt_domain *d, unsigned long cbm, int closid, bool exclusive); unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r, struct rdt_domain *d, unsigned long cbm); @@ -609,7 +523,6 @@ void rdt_pseudo_lock_release(void); int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp); void rdtgroup_pseudo_lock_remove(struct rdtgroup *rdtgrp); struct rdt_domain *get_domain_from_cpu(int cpu, struct rdt_resource *r); -int update_domains(struct rdt_resource *r, int closid); int closids_supported(void); void closid_free(int closid); int alloc_rmid(void); diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c index f07c10b87a87..c9f0f3d63f75 100644 --- a/arch/x86/kernel/cpu/resctrl/monitor.c +++ b/arch/x86/kernel/cpu/resctrl/monitor.c @@ -174,7 +174,7 @@ void __check_limbo(struct rdt_domain *d, bool force_free) struct rdt_resource *r; u32 crmid = 1, nrmid; - r = &rdt_resources_all[RDT_RESOURCE_L3]; + r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; /* * Skip RMID 0 and start from RMID 1 and check all the RMIDs that @@ -232,7 +232,7 @@ static void add_rmid_to_limbo(struct rmid_entry *entry) int cpu; u64 val; - r = &rdt_resources_all[RDT_RESOURCE_L3]; + r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; entry->busy = 0; cpu = get_cpu(); @@ -285,15 +285,15 @@ static u64 mbm_overflow_count(u64 prev_msr, u64 cur_msr, unsigned int width) return chunks >>= shift; } -static int __mon_event_count(u32 rmid, struct rmid_read *rr) +static u64 __mon_event_count(u32 rmid, struct rmid_read *rr) { + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(rr->r); struct mbm_state *m; u64 chunks, tval; tval = __rmid_read(rmid, rr->evtid); if (tval & (RMID_VAL_ERROR | RMID_VAL_UNAVAIL)) { - rr->val = tval; - return -EINVAL; + return tval; } switch (rr->evtid) { case QOS_L3_OCCUP_EVENT_ID: @@ -307,10 +307,10 @@ static int __mon_event_count(u32 rmid, struct rmid_read *rr) break; default: /* - * Code would never reach here because - * an invalid event id would fail the __rmid_read. + * Code would never reach here because an invalid + * event id would fail the __rmid_read. */ - return -EINVAL; + return RMID_VAL_ERROR; } if (rr->first) { @@ -319,7 +319,7 @@ static int __mon_event_count(u32 rmid, struct rmid_read *rr) return 0; } - chunks = mbm_overflow_count(m->prev_msr, tval, rr->r->mbm_width); + chunks = mbm_overflow_count(m->prev_msr, tval, hw_res->mbm_width); m->chunks += chunks; m->prev_msr = tval; @@ -334,7 +334,7 @@ static int __mon_event_count(u32 rmid, struct rmid_read *rr) */ static void mbm_bw_count(u32 rmid, struct rmid_read *rr) { - struct rdt_resource *r = &rdt_resources_all[RDT_RESOURCE_L3]; + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(rr->r); struct mbm_state *m = &rr->d->mbm_local[rmid]; u64 tval, cur_bw, chunks; @@ -342,8 +342,8 @@ static void mbm_bw_count(u32 rmid, struct rmid_read *rr) if (tval & (RMID_VAL_ERROR | RMID_VAL_UNAVAIL)) return; - chunks = mbm_overflow_count(m->prev_bw_msr, tval, rr->r->mbm_width); - cur_bw = (get_corrected_mbm_count(rmid, chunks) * r->mon_scale) >> 20; + chunks = mbm_overflow_count(m->prev_bw_msr, tval, hw_res->mbm_width); + cur_bw = (get_corrected_mbm_count(rmid, chunks) * hw_res->mon_scale) >> 20; if (m->delta_comp) m->delta_bw = abs(cur_bw - m->prev_bw); @@ -361,23 +361,29 @@ void mon_event_count(void *info) struct rdtgroup *rdtgrp, *entry; struct rmid_read *rr = info; struct list_head *head; + u64 ret_val; rdtgrp = rr->rgrp; - if (__mon_event_count(rdtgrp->mon.rmid, rr)) - return; + ret_val = __mon_event_count(rdtgrp->mon.rmid, rr); /* - * For Ctrl groups read data from child monitor groups. + * For Ctrl groups read data from child monitor groups and + * add them together. Count events which are read successfully. + * Discard the rmid_read's reporting errors. */ head = &rdtgrp->mon.crdtgrp_list; if (rdtgrp->type == RDTCTRL_GROUP) { list_for_each_entry(entry, head, mon.crdtgrp_list) { - if (__mon_event_count(entry->mon.rmid, rr)) - return; + if (__mon_event_count(entry->mon.rmid, rr) == 0) + ret_val = 0; } } + + /* Report error if none of rmid_reads are successful */ + if (ret_val) + rr->val = ret_val; } /* @@ -416,6 +422,8 @@ static void update_mba_bw(struct rdtgroup *rgrp, struct rdt_domain *dom_mbm) { u32 closid, rmid, cur_msr, cur_msr_val, new_msr_val; struct mbm_state *pmbm_data, *cmbm_data; + struct rdt_hw_resource *hw_r_mba; + struct rdt_hw_domain *hw_dom_mba; u32 cur_bw, delta_bw, user_bw; struct rdt_resource *r_mba; struct rdt_domain *dom_mba; @@ -425,7 +433,8 @@ static void update_mba_bw(struct rdtgroup *rgrp, struct rdt_domain *dom_mbm) if (!is_mbm_local_enabled()) return; - r_mba = &rdt_resources_all[RDT_RESOURCE_MBA]; + hw_r_mba = &rdt_resources_all[RDT_RESOURCE_MBA]; + r_mba = &hw_r_mba->r_resctrl; closid = rgrp->closid; rmid = rgrp->mon.rmid; pmbm_data = &dom_mbm->mbm_local[rmid]; @@ -435,11 +444,16 @@ static void update_mba_bw(struct rdtgroup *rgrp, struct rdt_domain *dom_mbm) pr_warn_once("Failure to get domain for MBA update\n"); return; } + hw_dom_mba = resctrl_to_arch_dom(dom_mba); cur_bw = pmbm_data->prev_bw; - user_bw = dom_mba->mbps_val[closid]; + user_bw = resctrl_arch_get_config(r_mba, dom_mba, closid, CDP_NONE); delta_bw = pmbm_data->delta_bw; - cur_msr_val = dom_mba->ctrl_val[closid]; + /* + * resctrl_arch_get_config() chooses the mbps/ctrl value to return + * based on is_mba_sc(). For now, reach into the hw_dom. + */ + cur_msr_val = hw_dom_mba->ctrl_val[closid]; /* * For Ctrl groups read data from child monitor groups. @@ -474,9 +488,9 @@ static void update_mba_bw(struct rdtgroup *rgrp, struct rdt_domain *dom_mbm) return; } - cur_msr = r_mba->msr_base + closid; + cur_msr = hw_r_mba->msr_base + closid; wrmsrl(cur_msr, delay_bw_map(new_msr_val, r_mba)); - dom_mba->ctrl_val[closid] = new_msr_val; + hw_dom_mba->ctrl_val[closid] = new_msr_val; /* * Delta values are updated dynamically package wise for each @@ -538,7 +552,7 @@ void cqm_handle_limbo(struct work_struct *work) mutex_lock(&rdtgroup_mutex); - r = &rdt_resources_all[RDT_RESOURCE_L3]; + r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; d = container_of(work, struct rdt_domain, cqm_limbo.work); __check_limbo(d, false); @@ -574,7 +588,7 @@ void mbm_handle_overflow(struct work_struct *work) if (!static_branch_likely(&rdt_mon_enable_key)) goto out_unlock; - r = &rdt_resources_all[RDT_RESOURCE_L3]; + r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; d = container_of(work, struct rdt_domain, mbm_over.work); list_for_each_entry(prgrp, &rdt_all_groups, rdtgroup_list) { @@ -671,15 +685,16 @@ static void l3_mon_evt_init(struct rdt_resource *r) int rdt_get_mon_l3_config(struct rdt_resource *r) { unsigned int mbm_offset = boot_cpu_data.x86_cache_mbm_width_offset; + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); unsigned int cl_size = boot_cpu_data.x86_cache_size; int ret; - r->mon_scale = boot_cpu_data.x86_cache_occ_scale; + hw_res->mon_scale = boot_cpu_data.x86_cache_occ_scale; r->num_rmid = boot_cpu_data.x86_cache_max_rmid + 1; - r->mbm_width = MBM_CNTR_WIDTH_BASE; + hw_res->mbm_width = MBM_CNTR_WIDTH_BASE; if (mbm_offset > 0 && mbm_offset <= MBM_CNTR_WIDTH_OFFSET_MAX) - r->mbm_width += mbm_offset; + hw_res->mbm_width += mbm_offset; else if (mbm_offset > MBM_CNTR_WIDTH_OFFSET_MAX) pr_warn("Ignoring impossible MBM counter offset\n"); @@ -693,7 +708,7 @@ int rdt_get_mon_l3_config(struct rdt_resource *r) resctrl_cqm_threshold = cl_size * 1024 / r->num_rmid; /* h/w works in units of "boot_cpu_data.x86_cache_occ_scale" */ - resctrl_cqm_threshold /= r->mon_scale; + resctrl_cqm_threshold /= hw_res->mon_scale; ret = dom_data_init(r); if (ret) diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c index 2207916cae65..db813f819ad6 100644 --- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c +++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c @@ -250,7 +250,7 @@ static void pseudo_lock_region_clear(struct pseudo_lock_region *plr) plr->line_size = 0; kfree(plr->kmem); plr->kmem = NULL; - plr->r = NULL; + plr->s = NULL; if (plr->d) plr->d->plr = NULL; plr->d = NULL; @@ -294,10 +294,10 @@ static int pseudo_lock_region_init(struct pseudo_lock_region *plr) ci = get_cpu_cacheinfo(plr->cpu); - plr->size = rdtgroup_cbm_to_size(plr->r, plr->d, plr->cbm); + plr->size = rdtgroup_cbm_to_size(plr->s->res, plr->d, plr->cbm); for (i = 0; i < ci->num_leaves; i++) { - if (ci->info_list[i].level == plr->r->cache_level) { + if (ci->info_list[i].level == plr->s->res->cache_level) { plr->line_size = ci->info_list[i].coherency_line_size; return 0; } @@ -688,8 +688,8 @@ int rdtgroup_locksetup_enter(struct rdtgroup *rdtgrp) * resource, the portion of cache used by it should be made * unavailable to all future allocations from both resources. */ - if (rdt_resources_all[RDT_RESOURCE_L3DATA].alloc_enabled || - rdt_resources_all[RDT_RESOURCE_L2DATA].alloc_enabled) { + if (resctrl_arch_get_cdp_enabled(RDT_RESOURCE_L3) || + resctrl_arch_get_cdp_enabled(RDT_RESOURCE_L2)) { rdt_last_cmd_puts("CDP enabled\n"); return -EINVAL; } @@ -800,7 +800,7 @@ bool rdtgroup_cbm_overlaps_pseudo_locked(struct rdt_domain *d, unsigned long cbm unsigned long cbm_b; if (d->plr) { - cbm_len = d->plr->r->cache.cbm_len; + cbm_len = d->plr->s->res->cache.cbm_len; cbm_b = d->plr->cbm; if (bitmap_intersects(&cbm, &cbm_b, cbm_len)) return true; diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index 01fd30e7829d..b57b3db9a6a7 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -39,6 +39,9 @@ static struct kernfs_root *rdt_root; struct rdtgroup rdtgroup_default; LIST_HEAD(rdt_all_groups); +/* list of entries for the schemata file */ +LIST_HEAD(resctrl_schema_all); + /* Kernel fs node for "info" directory under root */ static struct kernfs_node *kn_info; @@ -100,12 +103,12 @@ int closids_supported(void) static void closid_init(void) { - struct rdt_resource *r; - int rdt_min_closid = 32; + struct resctrl_schema *s; + u32 rdt_min_closid = 32; /* Compute rdt_min_closid across all resources */ - for_each_alloc_enabled_rdt_resource(r) - rdt_min_closid = min(rdt_min_closid, r->num_closid); + list_for_each_entry(s, &resctrl_schema_all, list) + rdt_min_closid = min(rdt_min_closid, s->num_closid); closid_free_map = BIT_MASK(rdt_min_closid) - 1; @@ -842,16 +845,17 @@ static int rdt_last_cmd_status_show(struct kernfs_open_file *of, static int rdt_num_closids_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; - seq_printf(seq, "%d\n", r->num_closid); + seq_printf(seq, "%u\n", s->num_closid); return 0; } static int rdt_default_ctrl_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; + struct rdt_resource *r = s->res; seq_printf(seq, "%x\n", r->default_ctrl); return 0; @@ -860,7 +864,8 @@ static int rdt_default_ctrl_show(struct kernfs_open_file *of, static int rdt_min_cbm_bits_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; + struct rdt_resource *r = s->res; seq_printf(seq, "%u\n", r->cache.min_cbm_bits); return 0; @@ -869,7 +874,8 @@ static int rdt_min_cbm_bits_show(struct kernfs_open_file *of, static int rdt_shareable_bits_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; + struct rdt_resource *r = s->res; seq_printf(seq, "%x\n", r->cache.shareable_bits); return 0; @@ -892,38 +898,40 @@ static int rdt_shareable_bits_show(struct kernfs_open_file *of, static int rdt_bit_usage_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; /* * Use unsigned long even though only 32 bits are used to ensure * test_bit() is used safely. */ unsigned long sw_shareable = 0, hw_shareable = 0; unsigned long exclusive = 0, pseudo_locked = 0; + struct rdt_resource *r = s->res; struct rdt_domain *dom; int i, hwb, swb, excl, psl; enum rdtgrp_mode mode; bool sep = false; - u32 *ctrl; + u32 ctrl_val; mutex_lock(&rdtgroup_mutex); hw_shareable = r->cache.shareable_bits; list_for_each_entry(dom, &r->domains, list) { if (sep) seq_putc(seq, ';'); - ctrl = dom->ctrl_val; sw_shareable = 0; exclusive = 0; seq_printf(seq, "%d=", dom->id); - for (i = 0; i < closids_supported(); i++, ctrl++) { + for (i = 0; i < closids_supported(); i++) { if (!closid_allocated(i)) continue; + ctrl_val = resctrl_arch_get_config(r, dom, i, + s->conf_type); mode = rdtgroup_mode_by_closid(i); switch (mode) { case RDT_MODE_SHAREABLE: - sw_shareable |= *ctrl; + sw_shareable |= ctrl_val; break; case RDT_MODE_EXCLUSIVE: - exclusive |= *ctrl; + exclusive |= ctrl_val; break; case RDT_MODE_PSEUDO_LOCKSETUP: /* @@ -970,7 +978,8 @@ static int rdt_bit_usage_show(struct kernfs_open_file *of, static int rdt_min_bw_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; + struct rdt_resource *r = s->res; seq_printf(seq, "%u\n", r->membw.min_bw); return 0; @@ -1001,7 +1010,8 @@ static int rdt_mon_features_show(struct kernfs_open_file *of, static int rdt_bw_gran_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; + struct rdt_resource *r = s->res; seq_printf(seq, "%u\n", r->membw.bw_gran); return 0; @@ -1010,7 +1020,8 @@ static int rdt_bw_gran_show(struct kernfs_open_file *of, static int rdt_delay_linear_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; + struct rdt_resource *r = s->res; seq_printf(seq, "%u\n", r->membw.delay_linear); return 0; @@ -1020,8 +1031,9 @@ static int max_threshold_occ_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { struct rdt_resource *r = of->kn->parent->priv; + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); - seq_printf(seq, "%u\n", resctrl_cqm_threshold * r->mon_scale); + seq_printf(seq, "%u\n", resctrl_cqm_threshold * hw_res->mon_scale); return 0; } @@ -1029,7 +1041,8 @@ static int max_threshold_occ_show(struct kernfs_open_file *of, static int rdt_thread_throttle_mode_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { - struct rdt_resource *r = of->kn->parent->priv; + struct resctrl_schema *s = of->kn->parent->priv; + struct rdt_resource *r = s->res; if (r->membw.throttle_mode == THREAD_THROTTLE_PER_THREAD) seq_puts(seq, "per-thread\n"); @@ -1042,7 +1055,7 @@ static int rdt_thread_throttle_mode_show(struct kernfs_open_file *of, static ssize_t max_threshold_occ_write(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off) { - struct rdt_resource *r = of->kn->parent->priv; + struct rdt_hw_resource *hw_res; unsigned int bytes; int ret; @@ -1053,7 +1066,8 @@ static ssize_t max_threshold_occ_write(struct kernfs_open_file *of, if (bytes > (boot_cpu_data.x86_cache_size * 1024)) return -EINVAL; - resctrl_cqm_threshold = bytes / r->mon_scale; + hw_res = resctrl_to_arch_res(of->kn->parent->priv); + resctrl_cqm_threshold = bytes / hw_res->mon_scale; return nbytes; } @@ -1078,76 +1092,17 @@ static int rdtgroup_mode_show(struct kernfs_open_file *of, return 0; } -/** - * rdt_cdp_peer_get - Retrieve CDP peer if it exists - * @r: RDT resource to which RDT domain @d belongs - * @d: Cache instance for which a CDP peer is requested - * @r_cdp: RDT resource that shares hardware with @r (RDT resource peer) - * Used to return the result. - * @d_cdp: RDT domain that shares hardware with @d (RDT domain peer) - * Used to return the result. - * - * RDT resources are managed independently and by extension the RDT domains - * (RDT resource instances) are managed independently also. The Code and - * Data Prioritization (CDP) RDT resources, while managed independently, - * could refer to the same underlying hardware. For example, - * RDT_RESOURCE_L2CODE and RDT_RESOURCE_L2DATA both refer to the L2 cache. - * - * When provided with an RDT resource @r and an instance of that RDT - * resource @d rdt_cdp_peer_get() will return if there is a peer RDT - * resource and the exact instance that shares the same hardware. - * - * Return: 0 if a CDP peer was found, <0 on error or if no CDP peer exists. - * If a CDP peer was found, @r_cdp will point to the peer RDT resource - * and @d_cdp will point to the peer RDT domain. - */ -static int rdt_cdp_peer_get(struct rdt_resource *r, struct rdt_domain *d, - struct rdt_resource **r_cdp, - struct rdt_domain **d_cdp) +static enum resctrl_conf_type resctrl_peer_type(enum resctrl_conf_type my_type) { - struct rdt_resource *_r_cdp = NULL; - struct rdt_domain *_d_cdp = NULL; - int ret = 0; - - switch (r->rid) { - case RDT_RESOURCE_L3DATA: - _r_cdp = &rdt_resources_all[RDT_RESOURCE_L3CODE]; - break; - case RDT_RESOURCE_L3CODE: - _r_cdp = &rdt_resources_all[RDT_RESOURCE_L3DATA]; - break; - case RDT_RESOURCE_L2DATA: - _r_cdp = &rdt_resources_all[RDT_RESOURCE_L2CODE]; - break; - case RDT_RESOURCE_L2CODE: - _r_cdp = &rdt_resources_all[RDT_RESOURCE_L2DATA]; - break; + switch (my_type) { + case CDP_CODE: + return CDP_DATA; + case CDP_DATA: + return CDP_CODE; default: - ret = -ENOENT; - goto out; - } - - /* - * When a new CPU comes online and CDP is enabled then the new - * RDT domains (if any) associated with both CDP RDT resources - * are added in the same CPU online routine while the - * rdtgroup_mutex is held. It should thus not happen for one - * RDT domain to exist and be associated with its RDT CDP - * resource but there is no RDT domain associated with the - * peer RDT CDP resource. Hence the WARN. - */ - _d_cdp = rdt_find_domain(_r_cdp, d->id, NULL); - if (WARN_ON(IS_ERR_OR_NULL(_d_cdp))) { - _r_cdp = NULL; - _d_cdp = NULL; - ret = -EINVAL; + case CDP_NONE: + return CDP_NONE; } - -out: - *r_cdp = _r_cdp; - *d_cdp = _d_cdp; - - return ret; } /** @@ -1171,11 +1126,11 @@ out: * Return: false if CBM does not overlap, true if it does. */ static bool __rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d, - unsigned long cbm, int closid, bool exclusive) + unsigned long cbm, int closid, + enum resctrl_conf_type type, bool exclusive) { enum rdtgrp_mode mode; unsigned long ctrl_b; - u32 *ctrl; int i; /* Check for any overlap with regions used by hardware directly */ @@ -1186,9 +1141,8 @@ static bool __rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d } /* Check for overlap with other resource groups */ - ctrl = d->ctrl_val; - for (i = 0; i < closids_supported(); i++, ctrl++) { - ctrl_b = *ctrl; + for (i = 0; i < closids_supported(); i++) { + ctrl_b = resctrl_arch_get_config(r, d, i, type); mode = rdtgroup_mode_by_closid(i); if (closid_allocated(i) && i != closid && mode != RDT_MODE_PSEUDO_LOCKSETUP) { @@ -1208,7 +1162,7 @@ static bool __rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d /** * rdtgroup_cbm_overlaps - Does CBM overlap with other use of hardware - * @r: Resource to which domain instance @d belongs. + * @s: Schema for the resource to which domain instance @d belongs. * @d: The domain instance for which @closid is being tested. * @cbm: Capacity bitmask being tested. * @closid: Intended closid for @cbm. @@ -1226,19 +1180,19 @@ static bool __rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d * * Return: true if CBM overlap detected, false if there is no overlap */ -bool rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d, +bool rdtgroup_cbm_overlaps(struct resctrl_schema *s, struct rdt_domain *d, unsigned long cbm, int closid, bool exclusive) { - struct rdt_resource *r_cdp; - struct rdt_domain *d_cdp; + enum resctrl_conf_type peer_type = resctrl_peer_type(s->conf_type); + struct rdt_resource *r = s->res; - if (__rdtgroup_cbm_overlaps(r, d, cbm, closid, exclusive)) + if (__rdtgroup_cbm_overlaps(r, d, cbm, closid, s->conf_type, + exclusive)) return true; - if (rdt_cdp_peer_get(r, d, &r_cdp, &d_cdp) < 0) + if (!resctrl_arch_get_cdp_enabled(r->rid)) return false; - - return __rdtgroup_cbm_overlaps(r_cdp, d_cdp, cbm, closid, exclusive); + return __rdtgroup_cbm_overlaps(r, d, cbm, closid, peer_type, exclusive); } /** @@ -1256,17 +1210,21 @@ bool rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d, static bool rdtgroup_mode_test_exclusive(struct rdtgroup *rdtgrp) { int closid = rdtgrp->closid; + struct resctrl_schema *s; struct rdt_resource *r; bool has_cache = false; struct rdt_domain *d; + u32 ctrl; - for_each_alloc_enabled_rdt_resource(r) { + list_for_each_entry(s, &resctrl_schema_all, list) { + r = s->res; if (r->rid == RDT_RESOURCE_MBA) continue; has_cache = true; list_for_each_entry(d, &r->domains, list) { - if (rdtgroup_cbm_overlaps(r, d, d->ctrl_val[closid], - rdtgrp->closid, false)) { + ctrl = resctrl_arch_get_config(r, d, closid, + s->conf_type); + if (rdtgroup_cbm_overlaps(s, d, ctrl, closid, false)) { rdt_last_cmd_puts("Schemata overlaps\n"); return false; } @@ -1397,6 +1355,7 @@ unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r, static int rdtgroup_size_show(struct kernfs_open_file *of, struct seq_file *s, void *v) { + struct resctrl_schema *schema; struct rdtgroup *rdtgrp; struct rdt_resource *r; struct rdt_domain *d; @@ -1418,8 +1377,8 @@ static int rdtgroup_size_show(struct kernfs_open_file *of, ret = -ENODEV; } else { seq_printf(s, "%*s:", max_name_width, - rdtgrp->plr->r->name); - size = rdtgroup_cbm_to_size(rdtgrp->plr->r, + rdtgrp->plr->s->name); + size = rdtgroup_cbm_to_size(rdtgrp->plr->s->res, rdtgrp->plr->d, rdtgrp->plr->cbm); seq_printf(s, "%d=%u\n", rdtgrp->plr->d->id, size); @@ -1427,18 +1386,19 @@ static int rdtgroup_size_show(struct kernfs_open_file *of, goto out; } - for_each_alloc_enabled_rdt_resource(r) { + list_for_each_entry(schema, &resctrl_schema_all, list) { + r = schema->res; sep = false; - seq_printf(s, "%*s:", max_name_width, r->name); + seq_printf(s, "%*s:", max_name_width, schema->name); list_for_each_entry(d, &r->domains, list) { if (sep) seq_putc(s, ';'); if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) { size = 0; } else { - ctrl = (!is_mba_sc(r) ? - d->ctrl_val[rdtgrp->closid] : - d->mbps_val[rdtgrp->closid]); + ctrl = resctrl_arch_get_config(r, d, + rdtgrp->closid, + schema->conf_type); if (r->rid == RDT_RESOURCE_MBA) size = ctrl; else @@ -1757,14 +1717,14 @@ int rdtgroup_kn_mode_restore(struct rdtgroup *r, const char *name, return ret; } -static int rdtgroup_mkdir_info_resdir(struct rdt_resource *r, char *name, +static int rdtgroup_mkdir_info_resdir(void *priv, char *name, unsigned long fflags) { struct kernfs_node *kn_subdir; int ret; kn_subdir = kernfs_create_dir(kn_info, name, - kn_info->mode, r); + kn_info->mode, priv); if (IS_ERR(kn_subdir)) return PTR_ERR(kn_subdir); @@ -1781,6 +1741,7 @@ static int rdtgroup_mkdir_info_resdir(struct rdt_resource *r, char *name, static int rdtgroup_create_info_dir(struct kernfs_node *parent_kn) { + struct resctrl_schema *s; struct rdt_resource *r; unsigned long fflags; char name[32]; @@ -1795,9 +1756,11 @@ static int rdtgroup_create_info_dir(struct kernfs_node *parent_kn) if (ret) goto out_destroy; - for_each_alloc_enabled_rdt_resource(r) { + /* loop over enabled controls, these are all alloc_enabled */ + list_for_each_entry(s, &resctrl_schema_all, list) { + r = s->res; fflags = r->fflags | RF_CTRL_INFO; - ret = rdtgroup_mkdir_info_resdir(r, r->name, fflags); + ret = rdtgroup_mkdir_info_resdir(s, s->name, fflags); if (ret) goto out_destroy; } @@ -1867,7 +1830,7 @@ static void l2_qos_cfg_update(void *arg) static inline bool is_mba_linear(void) { - return rdt_resources_all[RDT_RESOURCE_MBA].membw.delay_linear; + return rdt_resources_all[RDT_RESOURCE_MBA].r_resctrl.membw.delay_linear; } static int set_cache_qos_cfg(int level, bool enable) @@ -1888,7 +1851,7 @@ static int set_cache_qos_cfg(int level, bool enable) if (!zalloc_cpumask_var(&cpu_mask, GFP_KERNEL)) return -ENOMEM; - r_l = &rdt_resources_all[level]; + r_l = &rdt_resources_all[level].r_resctrl; list_for_each_entry(d, &r_l->domains, list) { if (r_l->cache.arch_has_per_cpu_cfg) /* Pick all the CPUs in the domain instance */ @@ -1914,14 +1877,16 @@ static int set_cache_qos_cfg(int level, bool enable) /* Restore the qos cfg state when a domain comes online */ void rdt_domain_reconfigure_cdp(struct rdt_resource *r) { - if (!r->alloc_capable) + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); + + if (!r->cdp_capable) return; - if (r == &rdt_resources_all[RDT_RESOURCE_L2DATA]) - l2_qos_cfg_update(&r->alloc_enabled); + if (r->rid == RDT_RESOURCE_L2) + l2_qos_cfg_update(&hw_res->cdp_enabled); - if (r == &rdt_resources_all[RDT_RESOURCE_L3DATA]) - l3_qos_cfg_update(&r->alloc_enabled); + if (r->rid == RDT_RESOURCE_L3) + l3_qos_cfg_update(&hw_res->cdp_enabled); } /* @@ -1932,7 +1897,8 @@ void rdt_domain_reconfigure_cdp(struct rdt_resource *r) */ static int set_mba_sc(bool mba_sc) { - struct rdt_resource *r = &rdt_resources_all[RDT_RESOURCE_MBA]; + struct rdt_resource *r = &rdt_resources_all[RDT_RESOURCE_MBA].r_resctrl; + struct rdt_hw_domain *hw_dom; struct rdt_domain *d; if (!is_mbm_enabled() || !is_mba_linear() || @@ -1940,73 +1906,60 @@ static int set_mba_sc(bool mba_sc) return -EINVAL; r->membw.mba_sc = mba_sc; - list_for_each_entry(d, &r->domains, list) - setup_default_ctrlval(r, d->ctrl_val, d->mbps_val); + list_for_each_entry(d, &r->domains, list) { + hw_dom = resctrl_to_arch_dom(d); + setup_default_ctrlval(r, hw_dom->ctrl_val, hw_dom->mbps_val); + } return 0; } -static int cdp_enable(int level, int data_type, int code_type) +static int cdp_enable(int level) { - struct rdt_resource *r_ldata = &rdt_resources_all[data_type]; - struct rdt_resource *r_lcode = &rdt_resources_all[code_type]; - struct rdt_resource *r_l = &rdt_resources_all[level]; + struct rdt_resource *r_l = &rdt_resources_all[level].r_resctrl; int ret; - if (!r_l->alloc_capable || !r_ldata->alloc_capable || - !r_lcode->alloc_capable) + if (!r_l->alloc_capable) return -EINVAL; ret = set_cache_qos_cfg(level, true); - if (!ret) { - r_l->alloc_enabled = false; - r_ldata->alloc_enabled = true; - r_lcode->alloc_enabled = true; - } + if (!ret) + rdt_resources_all[level].cdp_enabled = true; + return ret; } -static int cdpl3_enable(void) +static void cdp_disable(int level) { - return cdp_enable(RDT_RESOURCE_L3, RDT_RESOURCE_L3DATA, - RDT_RESOURCE_L3CODE); -} + struct rdt_hw_resource *r_hw = &rdt_resources_all[level]; -static int cdpl2_enable(void) -{ - return cdp_enable(RDT_RESOURCE_L2, RDT_RESOURCE_L2DATA, - RDT_RESOURCE_L2CODE); + if (r_hw->cdp_enabled) { + set_cache_qos_cfg(level, false); + r_hw->cdp_enabled = false; + } } -static void cdp_disable(int level, int data_type, int code_type) +int resctrl_arch_set_cdp_enabled(enum resctrl_res_level l, bool enable) { - struct rdt_resource *r = &rdt_resources_all[level]; + struct rdt_hw_resource *hw_res = &rdt_resources_all[l]; - r->alloc_enabled = r->alloc_capable; + if (!hw_res->r_resctrl.cdp_capable) + return -EINVAL; - if (rdt_resources_all[data_type].alloc_enabled) { - rdt_resources_all[data_type].alloc_enabled = false; - rdt_resources_all[code_type].alloc_enabled = false; - set_cache_qos_cfg(level, false); - } -} + if (enable) + return cdp_enable(l); -static void cdpl3_disable(void) -{ - cdp_disable(RDT_RESOURCE_L3, RDT_RESOURCE_L3DATA, RDT_RESOURCE_L3CODE); -} + cdp_disable(l); -static void cdpl2_disable(void) -{ - cdp_disable(RDT_RESOURCE_L2, RDT_RESOURCE_L2DATA, RDT_RESOURCE_L2CODE); + return 0; } static void cdp_disable_all(void) { - if (rdt_resources_all[RDT_RESOURCE_L3DATA].alloc_enabled) - cdpl3_disable(); - if (rdt_resources_all[RDT_RESOURCE_L2DATA].alloc_enabled) - cdpl2_disable(); + if (resctrl_arch_get_cdp_enabled(RDT_RESOURCE_L3)) + resctrl_arch_set_cdp_enabled(RDT_RESOURCE_L3, false); + if (resctrl_arch_get_cdp_enabled(RDT_RESOURCE_L2)) + resctrl_arch_set_cdp_enabled(RDT_RESOURCE_L2, false); } /* @@ -2084,10 +2037,10 @@ static int rdt_enable_ctx(struct rdt_fs_context *ctx) int ret = 0; if (ctx->enable_cdpl2) - ret = cdpl2_enable(); + ret = resctrl_arch_set_cdp_enabled(RDT_RESOURCE_L2, true); if (!ret && ctx->enable_cdpl3) - ret = cdpl3_enable(); + ret = resctrl_arch_set_cdp_enabled(RDT_RESOURCE_L3, true); if (!ret && ctx->enable_mba_mbps) ret = set_mba_sc(true); @@ -2095,6 +2048,92 @@ static int rdt_enable_ctx(struct rdt_fs_context *ctx) return ret; } +static int schemata_list_add(struct rdt_resource *r, enum resctrl_conf_type type) +{ + struct resctrl_schema *s; + const char *suffix = ""; + int ret, cl; + + s = kzalloc(sizeof(*s), GFP_KERNEL); + if (!s) + return -ENOMEM; + + s->res = r; + s->num_closid = resctrl_arch_get_num_closid(r); + if (resctrl_arch_get_cdp_enabled(r->rid)) + s->num_closid /= 2; + + s->conf_type = type; + switch (type) { + case CDP_CODE: + suffix = "CODE"; + break; + case CDP_DATA: + suffix = "DATA"; + break; + case CDP_NONE: + suffix = ""; + break; + } + + ret = snprintf(s->name, sizeof(s->name), "%s%s", r->name, suffix); + if (ret >= sizeof(s->name)) { + kfree(s); + return -EINVAL; + } + + cl = strlen(s->name); + + /* + * If CDP is supported by this resource, but not enabled, + * include the suffix. This ensures the tabular format of the + * schemata file does not change between mounts of the filesystem. + */ + if (r->cdp_capable && !resctrl_arch_get_cdp_enabled(r->rid)) + cl += 4; + + if (cl > max_name_width) + max_name_width = cl; + + INIT_LIST_HEAD(&s->list); + list_add(&s->list, &resctrl_schema_all); + + return 0; +} + +static int schemata_list_create(void) +{ + struct rdt_resource *r; + int ret = 0; + + for_each_alloc_enabled_rdt_resource(r) { + if (resctrl_arch_get_cdp_enabled(r->rid)) { + ret = schemata_list_add(r, CDP_CODE); + if (ret) + break; + + ret = schemata_list_add(r, CDP_DATA); + } else { + ret = schemata_list_add(r, CDP_NONE); + } + + if (ret) + break; + } + + return ret; +} + +static void schemata_list_destroy(void) +{ + struct resctrl_schema *s, *tmp; + + list_for_each_entry_safe(s, tmp, &resctrl_schema_all, list) { + list_del(&s->list); + kfree(s); + } +} + static int rdt_get_tree(struct fs_context *fc) { struct rdt_fs_context *ctx = rdt_fc2context(fc); @@ -2116,11 +2155,17 @@ static int rdt_get_tree(struct fs_context *fc) if (ret < 0) goto out_cdp; + ret = schemata_list_create(); + if (ret) { + schemata_list_destroy(); + goto out_mba; + } + closid_init(); ret = rdtgroup_create_info_dir(rdtgroup_default.kn); if (ret < 0) - goto out_mba; + goto out_schemata_free; if (rdt_mon_capable) { ret = mongroup_create_dir(rdtgroup_default.kn, @@ -2153,7 +2198,7 @@ static int rdt_get_tree(struct fs_context *fc) static_branch_enable_cpuslocked(&rdt_enable_key); if (is_mbm_enabled()) { - r = &rdt_resources_all[RDT_RESOURCE_L3]; + r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; list_for_each_entry(dom, &r->domains, list) mbm_setup_overflow_handler(dom, MBM_OVERFLOW_INTERVAL); } @@ -2170,6 +2215,8 @@ out_mongrp: kernfs_remove(kn_mongrp); out_info: kernfs_remove(kn_info); +out_schemata_free: + schemata_list_destroy(); out_mba: if (ctx->enable_mba_mbps) set_mba_sc(false); @@ -2257,6 +2304,8 @@ static int rdt_init_fs_context(struct fs_context *fc) static int reset_all_ctrls(struct rdt_resource *r) { + struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r); + struct rdt_hw_domain *hw_dom; struct msr_param msr_param; cpumask_var_t cpu_mask; struct rdt_domain *d; @@ -2267,7 +2316,7 @@ static int reset_all_ctrls(struct rdt_resource *r) msr_param.res = r; msr_param.low = 0; - msr_param.high = r->num_closid; + msr_param.high = hw_res->num_closid; /* * Disable resource control for this resource by setting all @@ -2275,10 +2324,11 @@ static int reset_all_ctrls(struct rdt_resource *r) * from each domain to update the MSRs below. */ list_for_each_entry(d, &r->domains, list) { + hw_dom = resctrl_to_arch_dom(d); cpumask_set_cpu(cpumask_any(&d->cpu_mask), cpu_mask); - for (i = 0; i < r->num_closid; i++) - d->ctrl_val[i] = r->default_ctrl; + for (i = 0; i < hw_res->num_closid; i++) + hw_dom->ctrl_val[i] = r->default_ctrl; } cpu = get_cpu(); /* Update CBM on this cpu if it's in cpu_mask. */ @@ -2408,6 +2458,7 @@ static void rdt_kill_sb(struct super_block *sb) rmdir_all_sub(); rdt_pseudo_lock_release(); rdtgroup_default.mode = RDT_MODE_SHAREABLE; + schemata_list_destroy(); static_branch_disable_cpuslocked(&rdt_alloc_enable_key); static_branch_disable_cpuslocked(&rdt_mon_enable_key); static_branch_disable_cpuslocked(&rdt_enable_key); @@ -2642,23 +2693,24 @@ static u32 cbm_ensure_valid(u32 _val, struct rdt_resource *r) * Set the RDT domain up to start off with all usable allocations. That is, * all shareable and unused bits. All-zero CBM is invalid. */ -static int __init_one_rdt_domain(struct rdt_domain *d, struct rdt_resource *r, +static int __init_one_rdt_domain(struct rdt_domain *d, struct resctrl_schema *s, u32 closid) { - struct rdt_resource *r_cdp = NULL; - struct rdt_domain *d_cdp = NULL; + enum resctrl_conf_type peer_type = resctrl_peer_type(s->conf_type); + enum resctrl_conf_type t = s->conf_type; + struct resctrl_staged_config *cfg; + struct rdt_resource *r = s->res; u32 used_b = 0, unused_b = 0; unsigned long tmp_cbm; enum rdtgrp_mode mode; - u32 peer_ctl, *ctrl; + u32 peer_ctl, ctrl_val; int i; - rdt_cdp_peer_get(r, d, &r_cdp, &d_cdp); - d->have_new_ctrl = false; - d->new_ctrl = r->cache.shareable_bits; + cfg = &d->staged_config[t]; + cfg->have_new_ctrl = false; + cfg->new_ctrl = r->cache.shareable_bits; used_b = r->cache.shareable_bits; - ctrl = d->ctrl_val; - for (i = 0; i < closids_supported(); i++, ctrl++) { + for (i = 0; i < closids_supported(); i++) { if (closid_allocated(i) && i != closid) { mode = rdtgroup_mode_by_closid(i); if (mode == RDT_MODE_PSEUDO_LOCKSETUP) @@ -2673,35 +2725,38 @@ static int __init_one_rdt_domain(struct rdt_domain *d, struct rdt_resource *r, * usage to ensure there is no overlap * with an exclusive group. */ - if (d_cdp) - peer_ctl = d_cdp->ctrl_val[i]; + if (resctrl_arch_get_cdp_enabled(r->rid)) + peer_ctl = resctrl_arch_get_config(r, d, i, + peer_type); else peer_ctl = 0; - used_b |= *ctrl | peer_ctl; + ctrl_val = resctrl_arch_get_config(r, d, i, + s->conf_type); + used_b |= ctrl_val | peer_ctl; if (mode == RDT_MODE_SHAREABLE) - d->new_ctrl |= *ctrl | peer_ctl; + cfg->new_ctrl |= ctrl_val | peer_ctl; } } if (d->plr && d->plr->cbm > 0) used_b |= d->plr->cbm; unused_b = used_b ^ (BIT_MASK(r->cache.cbm_len) - 1); unused_b &= BIT_MASK(r->cache.cbm_len) - 1; - d->new_ctrl |= unused_b; + cfg->new_ctrl |= unused_b; /* * Force the initial CBM to be valid, user can * modify the CBM based on system availability. */ - d->new_ctrl = cbm_ensure_valid(d->new_ctrl, r); + cfg->new_ctrl = cbm_ensure_valid(cfg->new_ctrl, r); /* * Assign the u32 CBM to an unsigned long to ensure that * bitmap_weight() does not access out-of-bound memory. */ - tmp_cbm = d->new_ctrl; + tmp_cbm = cfg->new_ctrl; if (bitmap_weight(&tmp_cbm, r->cache.cbm_len) < r->cache.min_cbm_bits) { - rdt_last_cmd_printf("No space on %s:%d\n", r->name, d->id); + rdt_last_cmd_printf("No space on %s:%d\n", s->name, d->id); return -ENOSPC; } - d->have_new_ctrl = true; + cfg->have_new_ctrl = true; return 0; } @@ -2716,13 +2771,13 @@ static int __init_one_rdt_domain(struct rdt_domain *d, struct rdt_resource *r, * If there are no more shareable bits available on any domain then * the entire allocation will fail. */ -static int rdtgroup_init_cat(struct rdt_resource *r, u32 closid) +static int rdtgroup_init_cat(struct resctrl_schema *s, u32 closid) { struct rdt_domain *d; int ret; - list_for_each_entry(d, &r->domains, list) { - ret = __init_one_rdt_domain(d, r, closid); + list_for_each_entry(d, &s->res->domains, list) { + ret = __init_one_rdt_domain(d, s, closid); if (ret < 0) return ret; } @@ -2733,30 +2788,34 @@ static int rdtgroup_init_cat(struct rdt_resource *r, u32 closid) /* Initialize MBA resource with default values. */ static void rdtgroup_init_mba(struct rdt_resource *r) { + struct resctrl_staged_config *cfg; struct rdt_domain *d; list_for_each_entry(d, &r->domains, list) { - d->new_ctrl = is_mba_sc(r) ? MBA_MAX_MBPS : r->default_ctrl; - d->have_new_ctrl = true; + cfg = &d->staged_config[CDP_NONE]; + cfg->new_ctrl = is_mba_sc(r) ? MBA_MAX_MBPS : r->default_ctrl; + cfg->have_new_ctrl = true; } } /* Initialize the RDT group's allocations. */ static int rdtgroup_init_alloc(struct rdtgroup *rdtgrp) { + struct resctrl_schema *s; struct rdt_resource *r; int ret; - for_each_alloc_enabled_rdt_resource(r) { + list_for_each_entry(s, &resctrl_schema_all, list) { + r = s->res; if (r->rid == RDT_RESOURCE_MBA) { rdtgroup_init_mba(r); } else { - ret = rdtgroup_init_cat(r, rdtgrp->closid); + ret = rdtgroup_init_cat(s, rdtgrp->closid); if (ret < 0) return ret; } - ret = update_domains(r, rdtgrp->closid); + ret = resctrl_arch_update_domains(r, rdtgrp->closid); if (ret < 0) { rdt_last_cmd_puts("Failed to initialize allocations\n"); return ret; @@ -3124,13 +3183,13 @@ out: static int rdtgroup_show_options(struct seq_file *seq, struct kernfs_root *kf) { - if (rdt_resources_all[RDT_RESOURCE_L3DATA].alloc_enabled) + if (resctrl_arch_get_cdp_enabled(RDT_RESOURCE_L3)) seq_puts(seq, ",cdp"); - if (rdt_resources_all[RDT_RESOURCE_L2DATA].alloc_enabled) + if (resctrl_arch_get_cdp_enabled(RDT_RESOURCE_L2)) seq_puts(seq, ",cdpl2"); - if (is_mba_sc(&rdt_resources_all[RDT_RESOURCE_MBA])) + if (is_mba_sc(&rdt_resources_all[RDT_RESOURCE_MBA].r_resctrl)) seq_puts(seq, ",mba_MBps"); return 0; diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 08651a4e6aa0..42fc41dd0e1f 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -508,7 +508,7 @@ static struct irq_chip hpet_msi_controller __ro_after_init = { .irq_set_affinity = msi_domain_set_affinity, .irq_retrigger = irq_chip_retrigger_hierarchy, .irq_write_msi_msg = hpet_msi_write_msg, - .flags = IRQCHIP_SKIP_SET_WAKE, + .flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_AFFINITY_PRE_STARTUP, }; static int hpet_msi_init(struct irq_domain *domain, diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index 282b4ee1339f..15aefa3f3e18 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -235,15 +235,15 @@ static char irq_trigger[2]; */ static void restore_ELCR(char *trigger) { - outb(trigger[0], 0x4d0); - outb(trigger[1], 0x4d1); + outb(trigger[0], PIC_ELCR1); + outb(trigger[1], PIC_ELCR2); } static void save_ELCR(char *trigger) { /* IRQ 0,1,2,8,13 are marked as reserved */ - trigger[0] = inb(0x4d0) & 0xF8; - trigger[1] = inb(0x4d1) & 0xDE; + trigger[0] = inb(PIC_ELCR1) & 0xF8; + trigger[1] = inb(PIC_ELCR2) & 0xDE; } static void i8259A_resume(void) diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c index 674906fad43b..68f091ba8443 100644 --- a/arch/x86/kernel/jump_label.c +++ b/arch/x86/kernel/jump_label.c @@ -79,9 +79,10 @@ __jump_label_patch(struct jump_entry *entry, enum jump_label_type type) return (struct jump_label_patch){.code = code, .size = size}; } -static inline void __jump_label_transform(struct jump_entry *entry, - enum jump_label_type type, - int init) +static __always_inline void +__jump_label_transform(struct jump_entry *entry, + enum jump_label_type type, + int init) { const struct jump_label_patch jlp = __jump_label_patch(entry, type); diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 8f06449aab27..fed721f90116 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -19,6 +19,7 @@ #include <linux/smp.h> #include <linux/pci.h> +#include <asm/i8259.h> #include <asm/io_apic.h> #include <asm/acpi.h> #include <asm/irqdomain.h> @@ -251,7 +252,7 @@ static int __init ELCR_trigger(unsigned int irq) { unsigned int port; - port = 0x4d0 + (irq >> 3); + port = PIC_ELCR1 + (irq >> 3); return (inb(port) >> (irq & 7)) & 1; } diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index ebfb91108232..0a40df66a40d 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -388,10 +388,11 @@ static const struct dmi_system_id reboot_dmi_table[] __initconst = { }, { /* Handle problems with rebooting on the OptiPlex 990. */ .callback = set_pci_reboot, - .ident = "Dell OptiPlex 990", + .ident = "Dell OptiPlex 990 BIOS A0x", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"), + DMI_MATCH(DMI_BIOS_VERSION, "A0"), }, }, { /* Handle problems with rebooting on Dell 300's */ diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index bff3a784aec5..79f164141116 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -5,6 +5,7 @@ * This file contains the setup_arch() code, which handles the architecture-dependent * parts of early kernel initialization. */ +#include <linux/acpi.h> #include <linux/console.h> #include <linux/crash_dump.h> #include <linux/dma-map-ops.h> @@ -572,16 +573,6 @@ void __init reserve_standard_io_resources(void) } -static __init void reserve_ibft_region(void) -{ - unsigned long addr, size = 0; - - addr = find_ibft_region(&size); - - if (size) - memblock_reserve(addr, size); -} - static bool __init snb_gfx_workaround_needed(void) { #ifdef CONFIG_PCI diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 9320285a5e29..85f6e242b6b4 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -610,6 +610,9 @@ void set_cpu_sibling_map(int cpu) if (threads > __max_smt_threads) __max_smt_threads = threads; + for_each_cpu(i, topology_sibling_cpumask(cpu)) + cpu_data(i).smt_active = threads > 1; + /* * This needs a separate iteration over the cpus because we rely on all * topology_sibling_cpumask links to be set-up. @@ -1552,8 +1555,13 @@ static void remove_siblinginfo(int cpu) for_each_cpu(sibling, topology_die_cpumask(cpu)) cpumask_clear_cpu(cpu, topology_die_cpumask(sibling)); - for_each_cpu(sibling, topology_sibling_cpumask(cpu)) + + for_each_cpu(sibling, topology_sibling_cpumask(cpu)) { cpumask_clear_cpu(cpu, topology_sibling_cpumask(sibling)); + if (cpumask_weight(topology_sibling_cpumask(sibling)) == 1) + cpu_data(sibling).smt_active = false; + } + for_each_cpu(sibling, cpu_llc_shared_mask(cpu)) cpumask_clear_cpu(cpu, cpu_llc_shared_mask(sibling)); cpumask_clear(cpu_llc_shared_mask(cpu)); diff --git a/arch/x86/kernel/sysfb.c b/arch/x86/kernel/sysfb.c deleted file mode 100644 index 014ebd8ca869..000000000000 --- a/arch/x86/kernel/sysfb.c +++ /dev/null @@ -1,70 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Generic System Framebuffers on x86 - * Copyright (c) 2012-2013 David Herrmann <dh.herrmann@gmail.com> - */ - -/* - * Simple-Framebuffer support for x86 systems - * Create a platform-device for any available boot framebuffer. The - * simple-framebuffer platform device is already available on DT systems, so - * this module parses the global "screen_info" object and creates a suitable - * platform device compatible with the "simple-framebuffer" DT object. If - * the framebuffer is incompatible, we instead create a legacy - * "vesa-framebuffer", "efi-framebuffer" or "platform-framebuffer" device and - * pass the screen_info as platform_data. This allows legacy drivers - * to pick these devices up without messing with simple-framebuffer drivers. - * The global "screen_info" is still valid at all times. - * - * If CONFIG_X86_SYSFB is not selected, we never register "simple-framebuffer" - * platform devices, but only use legacy framebuffer devices for - * backwards compatibility. - * - * TODO: We set the dev_id field of all platform-devices to 0. This allows - * other x86 OF/DT parsers to create such devices, too. However, they must - * start at offset 1 for this to work. - */ - -#include <linux/err.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/platform_data/simplefb.h> -#include <linux/platform_device.h> -#include <linux/screen_info.h> -#include <asm/sysfb.h> - -static __init int sysfb_init(void) -{ - struct screen_info *si = &screen_info; - struct simplefb_platform_data mode; - struct platform_device *pd; - const char *name; - bool compatible; - int ret; - - sysfb_apply_efi_quirks(); - - /* try to create a simple-framebuffer device */ - compatible = parse_mode(si, &mode); - if (compatible) { - ret = create_simplefb(si, &mode); - if (!ret) - return 0; - } - - /* if the FB is incompatible, create a legacy framebuffer device */ - if (si->orig_video_isVGA == VIDEO_TYPE_EFI) - name = "efi-framebuffer"; - else if (si->orig_video_isVGA == VIDEO_TYPE_VLFB) - name = "vesa-framebuffer"; - else - name = "platform-framebuffer"; - - pd = platform_device_register_resndata(NULL, name, 0, - NULL, 0, si, sizeof(*si)); - return PTR_ERR_OR_ZERO(pd); -} - -/* must execute after PCI subsystem for EFI quirks */ -device_initcall(sysfb_init); diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c deleted file mode 100644 index 8a56a6d80098..000000000000 --- a/arch/x86/kernel/sysfb_efi.c +++ /dev/null @@ -1,284 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Generic System Framebuffers on x86 - * Copyright (c) 2012-2013 David Herrmann <dh.herrmann@gmail.com> - * - * EFI Quirks Copyright (c) 2006 Edgar Hucek <gimli@dark-green.com> - */ - -/* - * EFI Quirks - * Several EFI systems do not correctly advertise their boot framebuffers. - * Hence, we use this static table of known broken machines and fix up the - * information so framebuffer drivers can load correctly. - */ - -#include <linux/dmi.h> -#include <linux/err.h> -#include <linux/efi.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/pci.h> -#include <linux/screen_info.h> -#include <video/vga.h> - -#include <asm/efi.h> -#include <asm/sysfb.h> - -enum { - OVERRIDE_NONE = 0x0, - OVERRIDE_BASE = 0x1, - OVERRIDE_STRIDE = 0x2, - OVERRIDE_HEIGHT = 0x4, - OVERRIDE_WIDTH = 0x8, -}; - -struct efifb_dmi_info efifb_dmi_list[] = { - [M_I17] = { "i17", 0x80010000, 1472 * 4, 1440, 900, OVERRIDE_NONE }, - [M_I20] = { "i20", 0x80010000, 1728 * 4, 1680, 1050, OVERRIDE_NONE }, /* guess */ - [M_I20_SR] = { "imac7", 0x40010000, 1728 * 4, 1680, 1050, OVERRIDE_NONE }, - [M_I24] = { "i24", 0x80010000, 2048 * 4, 1920, 1200, OVERRIDE_NONE }, /* guess */ - [M_I24_8_1] = { "imac8", 0xc0060000, 2048 * 4, 1920, 1200, OVERRIDE_NONE }, - [M_I24_10_1] = { "imac10", 0xc0010000, 2048 * 4, 1920, 1080, OVERRIDE_NONE }, - [M_I27_11_1] = { "imac11", 0xc0010000, 2560 * 4, 2560, 1440, OVERRIDE_NONE }, - [M_MINI]= { "mini", 0x80000000, 2048 * 4, 1024, 768, OVERRIDE_NONE }, - [M_MINI_3_1] = { "mini31", 0x40010000, 1024 * 4, 1024, 768, OVERRIDE_NONE }, - [M_MINI_4_1] = { "mini41", 0xc0010000, 2048 * 4, 1920, 1200, OVERRIDE_NONE }, - [M_MB] = { "macbook", 0x80000000, 2048 * 4, 1280, 800, OVERRIDE_NONE }, - [M_MB_5_1] = { "macbook51", 0x80010000, 2048 * 4, 1280, 800, OVERRIDE_NONE }, - [M_MB_6_1] = { "macbook61", 0x80010000, 2048 * 4, 1280, 800, OVERRIDE_NONE }, - [M_MB_7_1] = { "macbook71", 0x80010000, 2048 * 4, 1280, 800, OVERRIDE_NONE }, - [M_MBA] = { "mba", 0x80000000, 2048 * 4, 1280, 800, OVERRIDE_NONE }, - /* 11" Macbook Air 3,1 passes the wrong stride */ - [M_MBA_3] = { "mba3", 0, 2048 * 4, 0, 0, OVERRIDE_STRIDE }, - [M_MBP] = { "mbp", 0x80010000, 1472 * 4, 1440, 900, OVERRIDE_NONE }, - [M_MBP_2] = { "mbp2", 0, 0, 0, 0, OVERRIDE_NONE }, /* placeholder */ - [M_MBP_2_2] = { "mbp22", 0x80010000, 1472 * 4, 1440, 900, OVERRIDE_NONE }, - [M_MBP_SR] = { "mbp3", 0x80030000, 2048 * 4, 1440, 900, OVERRIDE_NONE }, - [M_MBP_4] = { "mbp4", 0xc0060000, 2048 * 4, 1920, 1200, OVERRIDE_NONE }, - [M_MBP_5_1] = { "mbp51", 0xc0010000, 2048 * 4, 1440, 900, OVERRIDE_NONE }, - [M_MBP_5_2] = { "mbp52", 0xc0010000, 2048 * 4, 1920, 1200, OVERRIDE_NONE }, - [M_MBP_5_3] = { "mbp53", 0xd0010000, 2048 * 4, 1440, 900, OVERRIDE_NONE }, - [M_MBP_6_1] = { "mbp61", 0x90030000, 2048 * 4, 1920, 1200, OVERRIDE_NONE }, - [M_MBP_6_2] = { "mbp62", 0x90030000, 2048 * 4, 1680, 1050, OVERRIDE_NONE }, - [M_MBP_7_1] = { "mbp71", 0xc0010000, 2048 * 4, 1280, 800, OVERRIDE_NONE }, - [M_MBP_8_2] = { "mbp82", 0x90010000, 1472 * 4, 1440, 900, OVERRIDE_NONE }, - [M_UNKNOWN] = { NULL, 0, 0, 0, 0, OVERRIDE_NONE } -}; - -void efifb_setup_from_dmi(struct screen_info *si, const char *opt) -{ - int i; - - for (i = 0; i < M_UNKNOWN; i++) { - if (efifb_dmi_list[i].base != 0 && - !strcmp(opt, efifb_dmi_list[i].optname)) { - si->lfb_base = efifb_dmi_list[i].base; - si->lfb_linelength = efifb_dmi_list[i].stride; - si->lfb_width = efifb_dmi_list[i].width; - si->lfb_height = efifb_dmi_list[i].height; - } - } -} - -#define choose_value(dmivalue, fwvalue, field, flags) ({ \ - typeof(fwvalue) _ret_ = fwvalue; \ - if ((flags) & (field)) \ - _ret_ = dmivalue; \ - else if ((fwvalue) == 0) \ - _ret_ = dmivalue; \ - _ret_; \ - }) - -static int __init efifb_set_system(const struct dmi_system_id *id) -{ - struct efifb_dmi_info *info = id->driver_data; - - if (info->base == 0 && info->height == 0 && info->width == 0 && - info->stride == 0) - return 0; - - /* Trust the bootloader over the DMI tables */ - if (screen_info.lfb_base == 0) { -#if defined(CONFIG_PCI) - struct pci_dev *dev = NULL; - int found_bar = 0; -#endif - if (info->base) { - screen_info.lfb_base = choose_value(info->base, - screen_info.lfb_base, OVERRIDE_BASE, - info->flags); - -#if defined(CONFIG_PCI) - /* make sure that the address in the table is actually - * on a VGA device's PCI BAR */ - - for_each_pci_dev(dev) { - int i; - if ((dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) - continue; - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { - resource_size_t start, end; - unsigned long flags; - - flags = pci_resource_flags(dev, i); - if (!(flags & IORESOURCE_MEM)) - continue; - - if (flags & IORESOURCE_UNSET) - continue; - - if (pci_resource_len(dev, i) == 0) - continue; - - start = pci_resource_start(dev, i); - end = pci_resource_end(dev, i); - if (screen_info.lfb_base >= start && - screen_info.lfb_base < end) { - found_bar = 1; - break; - } - } - } - if (!found_bar) - screen_info.lfb_base = 0; -#endif - } - } - if (screen_info.lfb_base) { - screen_info.lfb_linelength = choose_value(info->stride, - screen_info.lfb_linelength, OVERRIDE_STRIDE, - info->flags); - screen_info.lfb_width = choose_value(info->width, - screen_info.lfb_width, OVERRIDE_WIDTH, - info->flags); - screen_info.lfb_height = choose_value(info->height, - screen_info.lfb_height, OVERRIDE_HEIGHT, - info->flags); - if (screen_info.orig_video_isVGA == 0) - screen_info.orig_video_isVGA = VIDEO_TYPE_EFI; - } else { - screen_info.lfb_linelength = 0; - screen_info.lfb_width = 0; - screen_info.lfb_height = 0; - screen_info.orig_video_isVGA = 0; - return 0; - } - - printk(KERN_INFO "efifb: dmi detected %s - framebuffer at 0x%08x " - "(%dx%d, stride %d)\n", id->ident, - screen_info.lfb_base, screen_info.lfb_width, - screen_info.lfb_height, screen_info.lfb_linelength); - - return 1; -} - -#define EFIFB_DMI_SYSTEM_ID(vendor, name, enumid) \ - { \ - efifb_set_system, \ - name, \ - { \ - DMI_MATCH(DMI_BIOS_VENDOR, vendor), \ - DMI_MATCH(DMI_PRODUCT_NAME, name) \ - }, \ - &efifb_dmi_list[enumid] \ - } - -static const struct dmi_system_id efifb_dmi_system_table[] __initconst = { - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac4,1", M_I17), - /* At least one of these two will be right; maybe both? */ - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac5,1", M_I20), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac5,1", M_I20), - /* At least one of these two will be right; maybe both? */ - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac6,1", M_I24), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac6,1", M_I24), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac7,1", M_I20_SR), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac8,1", M_I24_8_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac10,1", M_I24_10_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac11,1", M_I27_11_1), - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "Macmini1,1", M_MINI), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "Macmini3,1", M_MINI_3_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "Macmini4,1", M_MINI_4_1), - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook1,1", M_MB), - /* At least one of these two will be right; maybe both? */ - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook2,1", M_MB), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook2,1", M_MB), - /* At least one of these two will be right; maybe both? */ - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook3,1", M_MB), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook3,1", M_MB), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook4,1", M_MB), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook5,1", M_MB_5_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook6,1", M_MB_6_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook7,1", M_MB_7_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookAir1,1", M_MBA), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookAir3,1", M_MBA_3), - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro1,1", M_MBP), - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro2,1", M_MBP_2), - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro2,2", M_MBP_2_2), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro2,1", M_MBP_2), - EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro3,1", M_MBP_SR), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro3,1", M_MBP_SR), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro4,1", M_MBP_4), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro5,1", M_MBP_5_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro5,2", M_MBP_5_2), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro5,3", M_MBP_5_3), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro6,1", M_MBP_6_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro6,2", M_MBP_6_2), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro7,1", M_MBP_7_1), - EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro8,2", M_MBP_8_2), - {}, -}; - -/* - * Some devices have a portrait LCD but advertise a landscape resolution (and - * pitch). We simply swap width and height for these devices so that we can - * correctly deal with some of them coming with multiple resolutions. - */ -static const struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = { - { - /* - * Lenovo MIIX310-10ICR, only some batches have the troublesome - * 800x1280 portrait screen. Luckily the portrait version has - * its own BIOS version, so we match on that. - */ - .matches = { - DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"), - DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1HCN44WW"), - }, - }, - { - /* Lenovo MIIX 320-10ICR with 800x1280 portrait screen */ - .matches = { - DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, - "Lenovo MIIX 320-10ICR"), - }, - }, - { - /* Lenovo D330 with 800x1280 or 1200x1920 portrait screen */ - .matches = { - DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, - "Lenovo ideapad D330-10IGM"), - }, - }, - {}, -}; - -__init void sysfb_apply_efi_quirks(void) -{ - if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI || - !(screen_info.capabilities & VIDEO_CAPABILITY_SKIP_QUIRKS)) - dmi_check_system(efifb_dmi_system_table); - - if (screen_info.orig_video_isVGA == VIDEO_TYPE_EFI && - dmi_check_system(efifb_dmi_swap_width_height)) { - u16 temp = screen_info.lfb_width; - - screen_info.lfb_width = screen_info.lfb_height; - screen_info.lfb_height = temp; - screen_info.lfb_linelength = 4 * screen_info.lfb_width; - } -} diff --git a/arch/x86/kernel/sysfb_simplefb.c b/arch/x86/kernel/sysfb_simplefb.c deleted file mode 100644 index 298fc1edd9c9..000000000000 --- a/arch/x86/kernel/sysfb_simplefb.c +++ /dev/null @@ -1,111 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Generic System Framebuffers on x86 - * Copyright (c) 2012-2013 David Herrmann <dh.herrmann@gmail.com> - */ - -/* - * simple-framebuffer probing - * Try to convert "screen_info" into a "simple-framebuffer" compatible mode. - * If the mode is incompatible, we return "false" and let the caller create - * legacy nodes instead. - */ - -#include <linux/err.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/platform_data/simplefb.h> -#include <linux/platform_device.h> -#include <linux/screen_info.h> -#include <asm/sysfb.h> - -static const char simplefb_resname[] = "BOOTFB"; -static const struct simplefb_format formats[] = SIMPLEFB_FORMATS; - -/* try parsing x86 screen_info into a simple-framebuffer mode struct */ -__init bool parse_mode(const struct screen_info *si, - struct simplefb_platform_data *mode) -{ - const struct simplefb_format *f; - __u8 type; - unsigned int i; - - type = si->orig_video_isVGA; - if (type != VIDEO_TYPE_VLFB && type != VIDEO_TYPE_EFI) - return false; - - for (i = 0; i < ARRAY_SIZE(formats); ++i) { - f = &formats[i]; - if (si->lfb_depth == f->bits_per_pixel && - si->red_size == f->red.length && - si->red_pos == f->red.offset && - si->green_size == f->green.length && - si->green_pos == f->green.offset && - si->blue_size == f->blue.length && - si->blue_pos == f->blue.offset && - si->rsvd_size == f->transp.length && - si->rsvd_pos == f->transp.offset) { - mode->format = f->name; - mode->width = si->lfb_width; - mode->height = si->lfb_height; - mode->stride = si->lfb_linelength; - return true; - } - } - - return false; -} - -__init int create_simplefb(const struct screen_info *si, - const struct simplefb_platform_data *mode) -{ - struct platform_device *pd; - struct resource res; - u64 base, size; - u32 length; - - /* - * If the 64BIT_BASE capability is set, ext_lfb_base will contain the - * upper half of the base address. Assemble the address, then make sure - * it is valid and we can actually access it. - */ - base = si->lfb_base; - if (si->capabilities & VIDEO_CAPABILITY_64BIT_BASE) - base |= (u64)si->ext_lfb_base << 32; - if (!base || (u64)(resource_size_t)base != base) { - printk(KERN_DEBUG "sysfb: inaccessible VRAM base\n"); - return -EINVAL; - } - - /* - * Don't use lfb_size as IORESOURCE size, since it may contain the - * entire VMEM, and thus require huge mappings. Use just the part we - * need, that is, the part where the framebuffer is located. But verify - * that it does not exceed the advertised VMEM. - * Note that in case of VBE, the lfb_size is shifted by 16 bits for - * historical reasons. - */ - size = si->lfb_size; - if (si->orig_video_isVGA == VIDEO_TYPE_VLFB) - size <<= 16; - length = mode->height * mode->stride; - if (length > size) { - printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n"); - return -EINVAL; - } - length = PAGE_ALIGN(length); - - /* setup IORESOURCE_MEM as framebuffer memory */ - memset(&res, 0, sizeof(res)); - res.flags = IORESOURCE_MEM | IORESOURCE_BUSY; - res.name = simplefb_resname; - res.start = base; - res.end = res.start + length - 1; - if (res.end <= res.start) - return -EINVAL; - - pd = platform_device_register_resndata(NULL, "simple-framebuffer", 0, - &res, 1, mode, sizeof(*mode)); - return PTR_ERR_OR_ZERO(pd); -} diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index c42613cfb5ba..fe03bd978761 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -208,30 +208,6 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu) kvm_mmu_after_set_cpuid(vcpu); } -static int is_efer_nx(void) -{ - return host_efer & EFER_NX; -} - -static void cpuid_fix_nx_cap(struct kvm_vcpu *vcpu) -{ - int i; - struct kvm_cpuid_entry2 *e, *entry; - - entry = NULL; - for (i = 0; i < vcpu->arch.cpuid_nent; ++i) { - e = &vcpu->arch.cpuid_entries[i]; - if (e->function == 0x80000001) { - entry = e; - break; - } - } - if (entry && cpuid_entry_has(entry, X86_FEATURE_NX) && !is_efer_nx()) { - cpuid_entry_clear(entry, X86_FEATURE_NX); - printk(KERN_INFO "kvm: guest NX capability removed\n"); - } -} - int cpuid_query_maxphyaddr(struct kvm_vcpu *vcpu) { struct kvm_cpuid_entry2 *best; @@ -302,7 +278,6 @@ int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu, vcpu->arch.cpuid_entries = e2; vcpu->arch.cpuid_nent = cpuid->nent; - cpuid_fix_nx_cap(vcpu); kvm_update_cpuid_runtime(vcpu); kvm_vcpu_after_set_cpuid(vcpu); @@ -401,7 +376,6 @@ static __always_inline void kvm_cpu_cap_mask(enum cpuid_leafs leaf, u32 mask) void kvm_set_cpu_caps(void) { - unsigned int f_nx = is_efer_nx() ? F(NX) : 0; #ifdef CONFIG_X86_64 unsigned int f_gbpages = F(GBPAGES); unsigned int f_lm = F(LM); @@ -515,7 +489,7 @@ void kvm_set_cpu_caps(void) F(CX8) | F(APIC) | 0 /* Reserved */ | F(SYSCALL) | F(MTRR) | F(PGE) | F(MCA) | F(CMOV) | F(PAT) | F(PSE36) | 0 /* Reserved */ | - f_nx | 0 /* Reserved */ | F(MMXEXT) | F(MMX) | + F(NX) | 0 /* Reserved */ | F(MMXEXT) | F(MMX) | F(FXSR) | F(FXSR_OPT) | f_gbpages | F(RDTSCP) | 0 /* Reserved */ | f_lm | F(3DNOWEXT) | F(3DNOW) ); @@ -765,7 +739,8 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) edx.split.num_counters_fixed = min(cap.num_counters_fixed, MAX_FIXED_COUNTERS); edx.split.bit_width_fixed = cap.bit_width_fixed; - edx.split.anythread_deprecated = 1; + if (cap.version) + edx.split.anythread_deprecated = 1; edx.split.reserved1 = 0; edx.split.reserved2 = 0; @@ -940,8 +915,21 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) unsigned virt_as = max((entry->eax >> 8) & 0xff, 48U); unsigned phys_as = entry->eax & 0xff; - if (!g_phys_as) + /* + * If TDP (NPT) is disabled use the adjusted host MAXPHYADDR as + * the guest operates in the same PA space as the host, i.e. + * reductions in MAXPHYADDR for memory encryption affect shadow + * paging, too. + * + * If TDP is enabled but an explicit guest MAXPHYADDR is not + * provided, use the raw bare metal MAXPHYADDR as reductions to + * the HPAs do not affect GPAs. + */ + if (!tdp_enabled) + g_phys_as = boot_cpu_data.x86_phys_bits; + else if (!g_phys_as) g_phys_as = phys_as; + entry->eax = g_phys_as | (virt_as << 8); entry->edx = 0; cpuid_entry_override(entry, CPUID_8000_0008_EBX); @@ -964,12 +952,18 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) case 0x8000001a: case 0x8000001e: break; - /* Support memory encryption cpuid if host supports it */ case 0x8000001F: - if (!kvm_cpu_cap_has(X86_FEATURE_SEV)) + if (!kvm_cpu_cap_has(X86_FEATURE_SEV)) { entry->eax = entry->ebx = entry->ecx = entry->edx = 0; - else + } else { cpuid_entry_override(entry, CPUID_8000_001F_EAX); + + /* + * Enumerate '0' for "PA bits reduction", the adjusted + * MAXPHYADDR is enumerated directly (see 0x80000008). + */ + entry->ebx &= ~GENMASK(11, 6); + } break; /*Add support for Centaur's CPUID instruction*/ case 0xC0000000: diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index b07592ca92f0..41d2a53c5dea 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1933,7 +1933,7 @@ ret_success: void kvm_hv_set_cpuid(struct kvm_vcpu *vcpu) { struct kvm_cpuid_entry2 *entry; - struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu); + struct kvm_vcpu_hv *hv_vcpu; entry = kvm_find_cpuid_entry(vcpu, HYPERV_CPUID_INTERFACE, 0); if (entry && entry->eax == HYPERV_CPUID_SIGNATURE_EAX) { @@ -2016,6 +2016,7 @@ static void kvm_hv_hypercall_set_result(struct kvm_vcpu *vcpu, u64 result) static int kvm_hv_hypercall_complete(struct kvm_vcpu *vcpu, u64 result) { + trace_kvm_hv_hypercall_done(result); kvm_hv_hypercall_set_result(vcpu, result); ++vcpu->stat.hypercalls; return kvm_skip_emulated_instruction(vcpu); @@ -2139,6 +2140,7 @@ static bool hv_check_hypercall_access(struct kvm_vcpu_hv *hv_vcpu, u16 code) int kvm_hv_hypercall(struct kvm_vcpu *vcpu) { + struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu); struct kvm_hv_hcall hc; u64 ret = HV_STATUS_SUCCESS; @@ -2173,17 +2175,25 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu) hc.rep_idx = (hc.param >> HV_HYPERCALL_REP_START_OFFSET) & 0xfff; hc.rep = !!(hc.rep_cnt || hc.rep_idx); - if (hc.fast && is_xmm_fast_hypercall(&hc)) - kvm_hv_hypercall_read_xmm(&hc); - trace_kvm_hv_hypercall(hc.code, hc.fast, hc.rep_cnt, hc.rep_idx, hc.ingpa, hc.outgpa); - if (unlikely(!hv_check_hypercall_access(to_hv_vcpu(vcpu), hc.code))) { + if (unlikely(!hv_check_hypercall_access(hv_vcpu, hc.code))) { ret = HV_STATUS_ACCESS_DENIED; goto hypercall_complete; } + if (hc.fast && is_xmm_fast_hypercall(&hc)) { + if (unlikely(hv_vcpu->enforce_cpuid && + !(hv_vcpu->cpuid_cache.features_edx & + HV_X64_HYPERCALL_XMM_INPUT_AVAILABLE))) { + kvm_queue_exception(vcpu, UD_VECTOR); + return 1; + } + + kvm_hv_hypercall_read_xmm(&hc); + } + switch (hc.code) { case HVCALL_NOTIFY_LONG_SPIN_WAIT: if (unlikely(hc.rep)) { diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 629a09ca9860..0b80263d46d8 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -541,17 +541,17 @@ static int picdev_slave_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, addr, len, val); } -static int picdev_eclr_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, +static int picdev_elcr_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, gpa_t addr, int len, const void *val) { - return picdev_write(container_of(dev, struct kvm_pic, dev_eclr), + return picdev_write(container_of(dev, struct kvm_pic, dev_elcr), addr, len, val); } -static int picdev_eclr_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, +static int picdev_elcr_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, gpa_t addr, int len, void *val) { - return picdev_read(container_of(dev, struct kvm_pic, dev_eclr), + return picdev_read(container_of(dev, struct kvm_pic, dev_elcr), addr, len, val); } @@ -577,9 +577,9 @@ static const struct kvm_io_device_ops picdev_slave_ops = { .write = picdev_slave_write, }; -static const struct kvm_io_device_ops picdev_eclr_ops = { - .read = picdev_eclr_read, - .write = picdev_eclr_write, +static const struct kvm_io_device_ops picdev_elcr_ops = { + .read = picdev_elcr_read, + .write = picdev_elcr_write, }; int kvm_pic_init(struct kvm *kvm) @@ -602,7 +602,7 @@ int kvm_pic_init(struct kvm *kvm) */ kvm_iodevice_init(&s->dev_master, &picdev_master_ops); kvm_iodevice_init(&s->dev_slave, &picdev_slave_ops); - kvm_iodevice_init(&s->dev_eclr, &picdev_eclr_ops); + kvm_iodevice_init(&s->dev_elcr, &picdev_elcr_ops); mutex_lock(&kvm->slots_lock); ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x20, 2, &s->dev_master); @@ -613,7 +613,7 @@ int kvm_pic_init(struct kvm *kvm) if (ret < 0) goto fail_unreg_2; - ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x4d0, 2, &s->dev_eclr); + ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x4d0, 2, &s->dev_elcr); if (ret < 0) goto fail_unreg_1; @@ -647,7 +647,7 @@ void kvm_pic_destroy(struct kvm *kvm) mutex_lock(&kvm->slots_lock); kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_master); kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_slave); - kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_eclr); + kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_elcr); mutex_unlock(&kvm->slots_lock); kvm->arch.vpic = NULL; diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c index 698969e18fe3..ff005fe738a4 100644 --- a/arch/x86/kvm/ioapic.c +++ b/arch/x86/kvm/ioapic.c @@ -96,7 +96,7 @@ static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic, static void rtc_irq_eoi_tracking_reset(struct kvm_ioapic *ioapic) { ioapic->rtc_status.pending_eoi = 0; - bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPU_ID); + bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPU_ID + 1); } static void kvm_rtc_eoi_tracking_restore_all(struct kvm_ioapic *ioapic); diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h index 660401700075..11e4065e1617 100644 --- a/arch/x86/kvm/ioapic.h +++ b/arch/x86/kvm/ioapic.h @@ -43,13 +43,13 @@ struct kvm_vcpu; struct dest_map { /* vcpu bitmap where IRQ has been sent */ - DECLARE_BITMAP(map, KVM_MAX_VCPU_ID); + DECLARE_BITMAP(map, KVM_MAX_VCPU_ID + 1); /* * Vector sent to a given vcpu, only valid when * the vcpu's bit in map is set */ - u8 vectors[KVM_MAX_VCPU_ID]; + u8 vectors[KVM_MAX_VCPU_ID + 1]; }; diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 9b64abf9b3f1..650642b18d15 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -55,7 +55,7 @@ struct kvm_pic { int output; /* intr from master PIC */ struct kvm_io_device dev_master; struct kvm_io_device dev_slave; - struct kvm_io_device dev_eclr; + struct kvm_io_device dev_elcr; void (*ack_notifier)(void *opaque, int irq); unsigned long irq_states[PIC_NUM_PINS]; }; diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 845d114ae075..47b765270239 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -53,6 +53,8 @@ #include <asm/kvm_page_track.h> #include "trace.h" +#include "paging.h" + extern bool itlb_multihit_kvm_mitigation; int __read_mostly nx_huge_pages = -1; @@ -1642,7 +1644,7 @@ static int is_empty_shadow_page(u64 *spt) * aggregate version in order to make the slab shrinker * faster */ -static inline void kvm_mod_used_mmu_pages(struct kvm *kvm, unsigned long nr) +static inline void kvm_mod_used_mmu_pages(struct kvm *kvm, long nr) { kvm->arch.n_used_mmu_pages += nr; percpu_counter_add(&kvm_total_used_mmu_pages, nr); @@ -2533,6 +2535,7 @@ static void kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) int mmu_try_to_unsync_pages(struct kvm_vcpu *vcpu, gfn_t gfn, bool can_unsync) { struct kvm_mmu_page *sp; + bool locked = false; /* * Force write-protection if the page is being tracked. Note, the page @@ -2555,9 +2558,34 @@ int mmu_try_to_unsync_pages(struct kvm_vcpu *vcpu, gfn_t gfn, bool can_unsync) if (sp->unsync) continue; + /* + * TDP MMU page faults require an additional spinlock as they + * run with mmu_lock held for read, not write, and the unsync + * logic is not thread safe. Take the spinklock regardless of + * the MMU type to avoid extra conditionals/parameters, there's + * no meaningful penalty if mmu_lock is held for write. + */ + if (!locked) { + locked = true; + spin_lock(&vcpu->kvm->arch.mmu_unsync_pages_lock); + + /* + * Recheck after taking the spinlock, a different vCPU + * may have since marked the page unsync. A false + * positive on the unprotected check above is not + * possible as clearing sp->unsync _must_ hold mmu_lock + * for write, i.e. unsync cannot transition from 0->1 + * while this CPU holds mmu_lock for read (or write). + */ + if (READ_ONCE(sp->unsync)) + continue; + } + WARN_ON(sp->role.level != PG_LEVEL_4K); kvm_unsync_page(vcpu, sp); } + if (locked) + spin_unlock(&vcpu->kvm->arch.mmu_unsync_pages_lock); /* * We need to ensure that the marking of unsync pages is visible @@ -5535,6 +5563,8 @@ void kvm_mmu_init_vm(struct kvm *kvm) { struct kvm_page_track_notifier_node *node = &kvm->arch.mmu_sp_tracker; + spin_lock_init(&kvm->arch.mmu_unsync_pages_lock); + if (!kvm_mmu_init_tdp_mmu(kvm)) /* * No smp_load/store wrappers needed here as we are in diff --git a/arch/x86/kvm/mmu/paging.h b/arch/x86/kvm/mmu/paging.h new file mode 100644 index 000000000000..de8ab323bb70 --- /dev/null +++ b/arch/x86/kvm/mmu/paging.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Shadow paging constants/helpers that don't need to be #undef'd. */ +#ifndef __KVM_X86_PAGING_H +#define __KVM_X86_PAGING_H + +#define GUEST_PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1)) +#define PT64_LVL_ADDR_MASK(level) \ + (GUEST_PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \ + * PT64_LEVEL_BITS))) - 1)) +#define PT64_LVL_OFFSET_MASK(level) \ + (GUEST_PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \ + * PT64_LEVEL_BITS))) - 1)) +#endif /* __KVM_X86_PAGING_H */ + diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 490a028ddabe..ee044d357b5f 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -24,7 +24,7 @@ #define pt_element_t u64 #define guest_walker guest_walker64 #define FNAME(name) paging##64_##name - #define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK + #define PT_BASE_ADDR_MASK GUEST_PT64_BASE_ADDR_MASK #define PT_LVL_ADDR_MASK(lvl) PT64_LVL_ADDR_MASK(lvl) #define PT_LVL_OFFSET_MASK(lvl) PT64_LVL_OFFSET_MASK(lvl) #define PT_INDEX(addr, level) PT64_INDEX(addr, level) @@ -57,7 +57,7 @@ #define pt_element_t u64 #define guest_walker guest_walkerEPT #define FNAME(name) ept_##name - #define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK + #define PT_BASE_ADDR_MASK GUEST_PT64_BASE_ADDR_MASK #define PT_LVL_ADDR_MASK(lvl) PT64_LVL_ADDR_MASK(lvl) #define PT_LVL_OFFSET_MASK(lvl) PT64_LVL_OFFSET_MASK(lvl) #define PT_INDEX(addr, level) PT64_INDEX(addr, level) diff --git a/arch/x86/kvm/mmu/spte.h b/arch/x86/kvm/mmu/spte.h index 7a5ce9314107..eb7b227fc6cf 100644 --- a/arch/x86/kvm/mmu/spte.h +++ b/arch/x86/kvm/mmu/spte.h @@ -38,12 +38,6 @@ static_assert(SPTE_TDP_AD_ENABLED_MASK == 0); #else #define PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1)) #endif -#define PT64_LVL_ADDR_MASK(level) \ - (PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \ - * PT64_LEVEL_BITS))) - 1)) -#define PT64_LVL_OFFSET_MASK(level) \ - (PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \ - * PT64_LEVEL_BITS))) - 1)) #define PT64_PERM_MASK (PT_PRESENT_MASK | PT_WRITABLE_MASK | shadow_user_mask \ | shadow_x_mask | shadow_nx_mask | shadow_me_mask) diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index 0853370bd811..d80cb122b5f3 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -43,6 +43,7 @@ void kvm_mmu_uninit_tdp_mmu(struct kvm *kvm) if (!kvm->arch.tdp_mmu_enabled) return; + WARN_ON(!list_empty(&kvm->arch.tdp_mmu_pages)); WARN_ON(!list_empty(&kvm->arch.tdp_mmu_roots)); /* @@ -81,8 +82,6 @@ static void tdp_mmu_free_sp_rcu_callback(struct rcu_head *head) void kvm_tdp_mmu_put_root(struct kvm *kvm, struct kvm_mmu_page *root, bool shared) { - gfn_t max_gfn = 1ULL << (shadow_phys_bits - PAGE_SHIFT); - kvm_lockdep_assert_mmu_lock_held(kvm, shared); if (!refcount_dec_and_test(&root->tdp_mmu_root_count)) @@ -94,7 +93,7 @@ void kvm_tdp_mmu_put_root(struct kvm *kvm, struct kvm_mmu_page *root, list_del_rcu(&root->link); spin_unlock(&kvm->arch.tdp_mmu_pages_lock); - zap_gfn_range(kvm, root, 0, max_gfn, false, false, shared); + zap_gfn_range(kvm, root, 0, -1ull, false, false, shared); call_rcu(&root->rcu_head, tdp_mmu_free_sp_rcu_callback); } @@ -724,13 +723,29 @@ static bool zap_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root, gfn_t start, gfn_t end, bool can_yield, bool flush, bool shared) { + gfn_t max_gfn_host = 1ULL << (shadow_phys_bits - PAGE_SHIFT); + bool zap_all = (start == 0 && end >= max_gfn_host); struct tdp_iter iter; + /* + * No need to try to step down in the iterator when zapping all SPTEs, + * zapping the top-level non-leaf SPTEs will recurse on their children. + */ + int min_level = zap_all ? root->role.level : PG_LEVEL_4K; + + /* + * Bound the walk at host.MAXPHYADDR, guest accesses beyond that will + * hit a #PF(RSVD) and never get to an EPT Violation/Misconfig / #NPF, + * and so KVM will never install a SPTE for such addresses. + */ + end = min(end, max_gfn_host); + kvm_lockdep_assert_mmu_lock_held(kvm, shared); rcu_read_lock(); - tdp_root_for_each_pte(iter, root, start, end) { + for_each_tdp_pte_min_level(iter, root->spt, root->role.level, + min_level, start, end) { retry: if (can_yield && tdp_mmu_iter_cond_resched(kvm, &iter, flush, shared)) { @@ -744,9 +759,10 @@ retry: /* * If this is a non-last-level SPTE that covers a larger range * than should be zapped, continue, and zap the mappings at a - * lower level. + * lower level, except when zapping all SPTEs. */ - if ((iter.gfn < start || + if (!zap_all && + (iter.gfn < start || iter.gfn + KVM_PAGES_PER_HPAGE(iter.level) > end) && !is_last_spte(iter.old_spte, iter.level)) continue; @@ -794,12 +810,11 @@ bool __kvm_tdp_mmu_zap_gfn_range(struct kvm *kvm, int as_id, gfn_t start, void kvm_tdp_mmu_zap_all(struct kvm *kvm) { - gfn_t max_gfn = 1ULL << (shadow_phys_bits - PAGE_SHIFT); bool flush = false; int i; for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) - flush = kvm_tdp_mmu_zap_gfn_range(kvm, i, 0, max_gfn, + flush = kvm_tdp_mmu_zap_gfn_range(kvm, i, 0, -1ull, flush, false); if (flush) @@ -838,7 +853,6 @@ static struct kvm_mmu_page *next_invalidated_root(struct kvm *kvm, */ void kvm_tdp_mmu_zap_invalidated_roots(struct kvm *kvm) { - gfn_t max_gfn = 1ULL << (shadow_phys_bits - PAGE_SHIFT); struct kvm_mmu_page *next_root; struct kvm_mmu_page *root; bool flush = false; @@ -854,8 +868,7 @@ void kvm_tdp_mmu_zap_invalidated_roots(struct kvm *kvm) rcu_read_unlock(); - flush = zap_gfn_range(kvm, root, 0, max_gfn, true, flush, - true); + flush = zap_gfn_range(kvm, root, 0, -1ull, true, flush, true); /* * Put the reference acquired in diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index 1d01da64c333..a8ad78a2faa1 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -646,7 +646,7 @@ out: void svm_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); - struct vmcb *vmcb = svm->vmcb; + struct vmcb *vmcb = svm->vmcb01.ptr; bool activated = kvm_vcpu_apicv_active(vcpu); if (!enable_apicv) diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 21d03e3a5dfd..e5515477c30a 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -154,6 +154,13 @@ void recalc_intercepts(struct vcpu_svm *svm) for (i = 0; i < MAX_INTERCEPT; i++) c->intercepts[i] |= g->intercepts[i]; + + /* If SMI is not intercepted, ignore guest SMI intercept as well */ + if (!intercept_smi) + vmcb_clr_intercept(c, INTERCEPT_SMI); + + vmcb_set_intercept(c, INTERCEPT_VMLOAD); + vmcb_set_intercept(c, INTERCEPT_VMSAVE); } static void copy_vmcb_control_area(struct vmcb_control_area *dst, @@ -304,8 +311,8 @@ static bool nested_vmcb_valid_sregs(struct kvm_vcpu *vcpu, return true; } -static void nested_load_control_from_vmcb12(struct vcpu_svm *svm, - struct vmcb_control_area *control) +void nested_load_control_from_vmcb12(struct vcpu_svm *svm, + struct vmcb_control_area *control) { copy_vmcb_control_area(&svm->nested.ctl, control); @@ -499,7 +506,11 @@ static void nested_vmcb02_prepare_save(struct vcpu_svm *svm, struct vmcb *vmcb12 static void nested_vmcb02_prepare_control(struct vcpu_svm *svm) { - const u32 mask = V_INTR_MASKING_MASK | V_GIF_ENABLE_MASK | V_GIF_MASK; + const u32 int_ctl_vmcb01_bits = + V_INTR_MASKING_MASK | V_GIF_MASK | V_GIF_ENABLE_MASK; + + const u32 int_ctl_vmcb12_bits = V_TPR_MASK | V_IRQ_INJECTION_BITS_MASK; + struct kvm_vcpu *vcpu = &svm->vcpu; /* @@ -511,7 +522,7 @@ static void nested_vmcb02_prepare_control(struct vcpu_svm *svm) * Also covers avic_vapic_bar, avic_backing_page, avic_logical_id, * avic_physical_id. */ - WARN_ON(svm->vmcb01.ptr->control.int_ctl & AVIC_ENABLE_MASK); + WARN_ON(kvm_apicv_activated(svm->vcpu.kvm)); /* Copied from vmcb01. msrpm_base can be overwritten later. */ svm->vmcb->control.nested_ctl = svm->vmcb01.ptr->control.nested_ctl; @@ -531,8 +542,8 @@ static void nested_vmcb02_prepare_control(struct vcpu_svm *svm) vcpu->arch.l1_tsc_offset + svm->nested.ctl.tsc_offset; svm->vmcb->control.int_ctl = - (svm->nested.ctl.int_ctl & ~mask) | - (svm->vmcb01.ptr->control.int_ctl & mask); + (svm->nested.ctl.int_ctl & int_ctl_vmcb12_bits) | + (svm->vmcb01.ptr->control.int_ctl & int_ctl_vmcb01_bits); svm->vmcb->control.virt_ext = svm->nested.ctl.virt_ext; svm->vmcb->control.int_vector = svm->nested.ctl.int_vector; @@ -618,6 +629,11 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu) struct kvm_host_map map; u64 vmcb12_gpa; + if (!svm->nested.hsave_msr) { + kvm_inject_gp(vcpu, 0); + return 1; + } + if (is_smm(vcpu)) { kvm_queue_exception(vcpu, UD_VECTOR); return 1; @@ -692,7 +708,28 @@ out: return ret; } -void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb) +/* Copy state save area fields which are handled by VMRUN */ +void svm_copy_vmrun_state(struct vmcb_save_area *to_save, + struct vmcb_save_area *from_save) +{ + to_save->es = from_save->es; + to_save->cs = from_save->cs; + to_save->ss = from_save->ss; + to_save->ds = from_save->ds; + to_save->gdtr = from_save->gdtr; + to_save->idtr = from_save->idtr; + to_save->rflags = from_save->rflags | X86_EFLAGS_FIXED; + to_save->efer = from_save->efer; + to_save->cr0 = from_save->cr0; + to_save->cr3 = from_save->cr3; + to_save->cr4 = from_save->cr4; + to_save->rax = from_save->rax; + to_save->rsp = from_save->rsp; + to_save->rip = from_save->rip; + to_save->cpl = 0; +} + +void svm_copy_vmloadsave_state(struct vmcb *to_vmcb, struct vmcb *from_vmcb) { to_vmcb->save.fs = from_vmcb->save.fs; to_vmcb->save.gs = from_vmcb->save.gs; @@ -1355,28 +1392,11 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu, svm->nested.vmcb12_gpa = kvm_state->hdr.svm.vmcb_pa; - svm->vmcb01.ptr->save.es = save->es; - svm->vmcb01.ptr->save.cs = save->cs; - svm->vmcb01.ptr->save.ss = save->ss; - svm->vmcb01.ptr->save.ds = save->ds; - svm->vmcb01.ptr->save.gdtr = save->gdtr; - svm->vmcb01.ptr->save.idtr = save->idtr; - svm->vmcb01.ptr->save.rflags = save->rflags | X86_EFLAGS_FIXED; - svm->vmcb01.ptr->save.efer = save->efer; - svm->vmcb01.ptr->save.cr0 = save->cr0; - svm->vmcb01.ptr->save.cr3 = save->cr3; - svm->vmcb01.ptr->save.cr4 = save->cr4; - svm->vmcb01.ptr->save.rax = save->rax; - svm->vmcb01.ptr->save.rsp = save->rsp; - svm->vmcb01.ptr->save.rip = save->rip; - svm->vmcb01.ptr->save.cpl = 0; - + svm_copy_vmrun_state(&svm->vmcb01.ptr->save, save); nested_load_control_from_vmcb12(svm, ctl); svm_switch_vmcb(svm, &svm->nested.vmcb02); - nested_vmcb02_prepare_control(svm); - kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu); ret = 0; out_free: diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 62926f1a5f7b..7fbce342eec4 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -64,6 +64,7 @@ static DEFINE_MUTEX(sev_bitmap_lock); unsigned int max_sev_asid; static unsigned int min_sev_asid; static unsigned long sev_me_mask; +static unsigned int nr_asids; static unsigned long *sev_asid_bitmap; static unsigned long *sev_reclaim_asid_bitmap; @@ -78,11 +79,11 @@ struct enc_region { /* Called with the sev_bitmap_lock held, or on shutdown */ static int sev_flush_asids(int min_asid, int max_asid) { - int ret, pos, error = 0; + int ret, asid, error = 0; /* Check if there are any ASIDs to reclaim before performing a flush */ - pos = find_next_bit(sev_reclaim_asid_bitmap, max_asid, min_asid); - if (pos >= max_asid) + asid = find_next_bit(sev_reclaim_asid_bitmap, nr_asids, min_asid); + if (asid > max_asid) return -EBUSY; /* @@ -115,15 +116,15 @@ static bool __sev_recycle_asids(int min_asid, int max_asid) /* The flush process will flush all reclaimable SEV and SEV-ES ASIDs */ bitmap_xor(sev_asid_bitmap, sev_asid_bitmap, sev_reclaim_asid_bitmap, - max_sev_asid); - bitmap_zero(sev_reclaim_asid_bitmap, max_sev_asid); + nr_asids); + bitmap_zero(sev_reclaim_asid_bitmap, nr_asids); return true; } static int sev_asid_new(struct kvm_sev_info *sev) { - int pos, min_asid, max_asid, ret; + int asid, min_asid, max_asid, ret; bool retry = true; enum misc_res_type type; @@ -143,11 +144,11 @@ static int sev_asid_new(struct kvm_sev_info *sev) * SEV-enabled guests must use asid from min_sev_asid to max_sev_asid. * SEV-ES-enabled guest can use from 1 to min_sev_asid - 1. */ - min_asid = sev->es_active ? 0 : min_sev_asid - 1; + min_asid = sev->es_active ? 1 : min_sev_asid; max_asid = sev->es_active ? min_sev_asid - 1 : max_sev_asid; again: - pos = find_next_zero_bit(sev_asid_bitmap, max_sev_asid, min_asid); - if (pos >= max_asid) { + asid = find_next_zero_bit(sev_asid_bitmap, max_asid + 1, min_asid); + if (asid > max_asid) { if (retry && __sev_recycle_asids(min_asid, max_asid)) { retry = false; goto again; @@ -157,11 +158,11 @@ again: goto e_uncharge; } - __set_bit(pos, sev_asid_bitmap); + __set_bit(asid, sev_asid_bitmap); mutex_unlock(&sev_bitmap_lock); - return pos + 1; + return asid; e_uncharge: misc_cg_uncharge(type, sev->misc_cg, 1); put_misc_cg(sev->misc_cg); @@ -179,17 +180,16 @@ static int sev_get_asid(struct kvm *kvm) static void sev_asid_free(struct kvm_sev_info *sev) { struct svm_cpu_data *sd; - int cpu, pos; + int cpu; enum misc_res_type type; mutex_lock(&sev_bitmap_lock); - pos = sev->asid - 1; - __set_bit(pos, sev_reclaim_asid_bitmap); + __set_bit(sev->asid, sev_reclaim_asid_bitmap); for_each_possible_cpu(cpu) { sd = per_cpu(svm_data, cpu); - sd->sev_vmcbs[pos] = NULL; + sd->sev_vmcbs[sev->asid] = NULL; } mutex_unlock(&sev_bitmap_lock); @@ -1272,8 +1272,8 @@ static int sev_send_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp) /* Pin guest memory */ guest_page = sev_pin_memory(kvm, params.guest_uaddr & PAGE_MASK, PAGE_SIZE, &n, 0); - if (!guest_page) - return -EFAULT; + if (IS_ERR(guest_page)) + return PTR_ERR(guest_page); /* allocate memory for header and transport buffer */ ret = -ENOMEM; @@ -1310,8 +1310,9 @@ static int sev_send_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp) } /* Copy packet header to userspace. */ - ret = copy_to_user((void __user *)(uintptr_t)params.hdr_uaddr, hdr, - params.hdr_len); + if (copy_to_user((void __user *)(uintptr_t)params.hdr_uaddr, hdr, + params.hdr_len)) + ret = -EFAULT; e_free_trans_data: kfree(trans_data); @@ -1463,11 +1464,12 @@ static int sev_receive_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp) data.trans_len = params.trans_len; /* Pin guest memory */ - ret = -EFAULT; guest_page = sev_pin_memory(kvm, params.guest_uaddr & PAGE_MASK, PAGE_SIZE, &n, 0); - if (!guest_page) + if (IS_ERR(guest_page)) { + ret = PTR_ERR(guest_page); goto e_free_trans; + } /* The RECEIVE_UPDATE_DATA command requires C-bit to be always set. */ data.guest_address = (page_to_pfn(guest_page[0]) << PAGE_SHIFT) + offset; @@ -1855,12 +1857,17 @@ void __init sev_hardware_setup(void) min_sev_asid = edx; sev_me_mask = 1UL << (ebx & 0x3f); - /* Initialize SEV ASID bitmaps */ - sev_asid_bitmap = bitmap_zalloc(max_sev_asid, GFP_KERNEL); + /* + * Initialize SEV ASID bitmaps. Allocate space for ASID 0 in the bitmap, + * even though it's never used, so that the bitmap is indexed by the + * actual ASID. + */ + nr_asids = max_sev_asid + 1; + sev_asid_bitmap = bitmap_zalloc(nr_asids, GFP_KERNEL); if (!sev_asid_bitmap) goto out; - sev_reclaim_asid_bitmap = bitmap_zalloc(max_sev_asid, GFP_KERNEL); + sev_reclaim_asid_bitmap = bitmap_zalloc(nr_asids, GFP_KERNEL); if (!sev_reclaim_asid_bitmap) { bitmap_free(sev_asid_bitmap); sev_asid_bitmap = NULL; @@ -1905,7 +1912,7 @@ void sev_hardware_teardown(void) return; /* No need to take sev_bitmap_lock, all VMs have been destroyed. */ - sev_flush_asids(0, max_sev_asid); + sev_flush_asids(1, max_sev_asid); bitmap_free(sev_asid_bitmap); bitmap_free(sev_reclaim_asid_bitmap); @@ -1919,7 +1926,7 @@ int sev_cpu_init(struct svm_cpu_data *sd) if (!sev_enabled) return 0; - sd->sev_vmcbs = kcalloc(max_sev_asid + 1, sizeof(void *), GFP_KERNEL); + sd->sev_vmcbs = kcalloc(nr_asids, sizeof(void *), GFP_KERNEL); if (!sd->sev_vmcbs) return -ENOMEM; diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 8834822c00cd..69639f9624f5 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -198,6 +198,11 @@ module_param(avic, bool, 0444); bool __read_mostly dump_invalid_vmcb; module_param(dump_invalid_vmcb, bool, 0644); + +bool intercept_smi = true; +module_param(intercept_smi, bool, 0444); + + static bool svm_gp_erratum_intercept = true; static u8 rsm_ins_bytes[] = "\x0f\xaa"; @@ -1185,7 +1190,10 @@ static void init_vmcb(struct kvm_vcpu *vcpu) svm_set_intercept(svm, INTERCEPT_INTR); svm_set_intercept(svm, INTERCEPT_NMI); - svm_set_intercept(svm, INTERCEPT_SMI); + + if (intercept_smi) + svm_set_intercept(svm, INTERCEPT_SMI); + svm_set_intercept(svm, INTERCEPT_SELECTIVE_CR0); svm_set_intercept(svm, INTERCEPT_RDPMC); svm_set_intercept(svm, INTERCEPT_CPUID); @@ -1398,8 +1406,6 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu) goto error_free_vmsa_page; } - svm_vcpu_init_msrpm(vcpu, svm->msrpm); - svm->vmcb01.ptr = page_address(vmcb01_page); svm->vmcb01.pa = __sme_set(page_to_pfn(vmcb01_page) << PAGE_SHIFT); @@ -1411,6 +1417,8 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu) svm_switch_vmcb(svm, &svm->vmcb01); init_vmcb(vcpu); + svm_vcpu_init_msrpm(vcpu, svm->msrpm); + svm_init_osvw(vcpu); vcpu->arch.microcode_version = 0x01000065; @@ -1560,8 +1568,11 @@ static void svm_set_vintr(struct vcpu_svm *svm) { struct vmcb_control_area *control; - /* The following fields are ignored when AVIC is enabled */ - WARN_ON(kvm_vcpu_apicv_active(&svm->vcpu)); + /* + * The following fields are ignored when AVIC is enabled + */ + WARN_ON(kvm_apicv_activated(svm->vcpu.kvm)); + svm_set_intercept(svm, INTERCEPT_VINTR); /* @@ -1578,17 +1589,18 @@ static void svm_set_vintr(struct vcpu_svm *svm) static void svm_clear_vintr(struct vcpu_svm *svm) { - const u32 mask = V_TPR_MASK | V_GIF_ENABLE_MASK | V_GIF_MASK | V_INTR_MASKING_MASK; svm_clr_intercept(svm, INTERCEPT_VINTR); /* Drop int_ctl fields related to VINTR injection. */ - svm->vmcb->control.int_ctl &= mask; + svm->vmcb->control.int_ctl &= ~V_IRQ_INJECTION_BITS_MASK; if (is_guest_mode(&svm->vcpu)) { - svm->vmcb01.ptr->control.int_ctl &= mask; + svm->vmcb01.ptr->control.int_ctl &= ~V_IRQ_INJECTION_BITS_MASK; WARN_ON((svm->vmcb->control.int_ctl & V_TPR_MASK) != (svm->nested.ctl.int_ctl & V_TPR_MASK)); - svm->vmcb->control.int_ctl |= svm->nested.ctl.int_ctl & ~mask; + + svm->vmcb->control.int_ctl |= svm->nested.ctl.int_ctl & + V_IRQ_INJECTION_BITS_MASK; } vmcb_mark_dirty(svm->vmcb, VMCB_INTR); @@ -1923,7 +1935,7 @@ static int npf_interception(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); - u64 fault_address = __sme_clr(svm->vmcb->control.exit_info_2); + u64 fault_address = svm->vmcb->control.exit_info_2; u64 error_code = svm->vmcb->control.exit_info_1; trace_kvm_page_fault(fault_address, error_code); @@ -2106,6 +2118,11 @@ static int nmi_interception(struct kvm_vcpu *vcpu) return 1; } +static int smi_interception(struct kvm_vcpu *vcpu) +{ + return 1; +} + static int intr_interception(struct kvm_vcpu *vcpu) { ++vcpu->stat.irq_exits; @@ -2134,11 +2151,12 @@ static int vmload_vmsave_interception(struct kvm_vcpu *vcpu, bool vmload) ret = kvm_skip_emulated_instruction(vcpu); if (vmload) { - nested_svm_vmloadsave(vmcb12, svm->vmcb); + svm_copy_vmloadsave_state(svm->vmcb, vmcb12); svm->sysenter_eip_hi = 0; svm->sysenter_esp_hi = 0; - } else - nested_svm_vmloadsave(svm->vmcb, vmcb12); + } else { + svm_copy_vmloadsave_state(vmcb12, svm->vmcb); + } kvm_vcpu_unmap(vcpu, &map, true); @@ -2941,7 +2959,16 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) svm_disable_lbrv(vcpu); break; case MSR_VM_HSAVE_PA: - svm->nested.hsave_msr = data; + /* + * Old kernels did not validate the value written to + * MSR_VM_HSAVE_PA. Allow KVM_SET_MSR to set an invalid + * value to allow live migrating buggy or malicious guests + * originating from those kernels. + */ + if (!msr->host_initiated && !page_address_valid(vcpu, data)) + return 1; + + svm->nested.hsave_msr = data & PAGE_MASK; break; case MSR_VM_CR: return svm_set_vm_cr(vcpu, data); @@ -3080,8 +3107,7 @@ static int (*const svm_exit_handlers[])(struct kvm_vcpu *vcpu) = { [SVM_EXIT_EXCP_BASE + GP_VECTOR] = gp_interception, [SVM_EXIT_INTR] = intr_interception, [SVM_EXIT_NMI] = nmi_interception, - [SVM_EXIT_SMI] = kvm_emulate_as_nop, - [SVM_EXIT_INIT] = kvm_emulate_as_nop, + [SVM_EXIT_SMI] = smi_interception, [SVM_EXIT_VINTR] = interrupt_window_interception, [SVM_EXIT_RDPMC] = kvm_emulate_rdpmc, [SVM_EXIT_CPUID] = kvm_emulate_cpuid, @@ -4288,6 +4314,7 @@ static int svm_smi_allowed(struct kvm_vcpu *vcpu, bool for_injection) static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate) { struct vcpu_svm *svm = to_svm(vcpu); + struct kvm_host_map map_save; int ret; if (is_guest_mode(vcpu)) { @@ -4303,6 +4330,29 @@ static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate) ret = nested_svm_vmexit(svm); if (ret) return ret; + + /* + * KVM uses VMCB01 to store L1 host state while L2 runs but + * VMCB01 is going to be used during SMM and thus the state will + * be lost. Temporary save non-VMLOAD/VMSAVE state to the host save + * area pointed to by MSR_VM_HSAVE_PA. APM guarantees that the + * format of the area is identical to guest save area offsetted + * by 0x400 (matches the offset of 'struct vmcb_save_area' + * within 'struct vmcb'). Note: HSAVE area may also be used by + * L1 hypervisor to save additional host context (e.g. KVM does + * that, see svm_prepare_guest_switch()) which must be + * preserved. + */ + if (kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.hsave_msr), + &map_save) == -EINVAL) + return 1; + + BUILD_BUG_ON(offsetof(struct vmcb, save) != 0x400); + + svm_copy_vmrun_state(map_save.hva + 0x400, + &svm->vmcb01.ptr->save); + + kvm_vcpu_unmap(vcpu, &map_save, true); } return 0; } @@ -4310,13 +4360,14 @@ static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate) static int svm_leave_smm(struct kvm_vcpu *vcpu, const char *smstate) { struct vcpu_svm *svm = to_svm(vcpu); - struct kvm_host_map map; + struct kvm_host_map map, map_save; int ret = 0; if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) { u64 saved_efer = GET_SMSTATE(u64, smstate, 0x7ed0); u64 guest = GET_SMSTATE(u64, smstate, 0x7ed8); u64 vmcb12_gpa = GET_SMSTATE(u64, smstate, 0x7ee0); + struct vmcb *vmcb12; if (guest) { if (!guest_cpuid_has(vcpu, X86_FEATURE_SVM)) @@ -4332,8 +4383,25 @@ static int svm_leave_smm(struct kvm_vcpu *vcpu, const char *smstate) if (svm_allocate_nested(svm)) return 1; - ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, map.hva); + vmcb12 = map.hva; + + nested_load_control_from_vmcb12(svm, &vmcb12->control); + + ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12); kvm_vcpu_unmap(vcpu, &map, true); + + /* + * Restore L1 host state from L1 HSAVE area as VMCB01 was + * used during SMM (see svm_enter_smm()) + */ + if (kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.hsave_msr), + &map_save) == -EINVAL) + return 1; + + svm_copy_vmrun_state(&svm->vmcb01.ptr->save, + map_save.hva + 0x400); + + kvm_vcpu_unmap(vcpu, &map_save, true); } } diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index f89b623bb591..bd0fe94c2920 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -31,6 +31,7 @@ #define MSRPM_OFFSETS 16 extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly; extern bool npt_enabled; +extern bool intercept_smi; /* * Clean bits in VMCB. @@ -463,7 +464,9 @@ void svm_leave_nested(struct vcpu_svm *svm); void svm_free_nested(struct vcpu_svm *svm); int svm_allocate_nested(struct vcpu_svm *svm); int nested_svm_vmrun(struct kvm_vcpu *vcpu); -void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb); +void svm_copy_vmrun_state(struct vmcb_save_area *to_save, + struct vmcb_save_area *from_save); +void svm_copy_vmloadsave_state(struct vmcb *to_vmcb, struct vmcb *from_vmcb); int nested_svm_vmexit(struct vcpu_svm *svm); static inline int nested_svm_simple_vmexit(struct vcpu_svm *svm, u32 exit_code) @@ -479,6 +482,8 @@ int nested_svm_check_permissions(struct kvm_vcpu *vcpu); int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr, bool has_error_code, u32 error_code); int nested_svm_exit_special(struct vcpu_svm *svm); +void nested_load_control_from_vmcb12(struct vcpu_svm *svm, + struct vmcb_control_area *control); void nested_sync_control_from_vmcb02(struct vcpu_svm *svm); void nested_vmcb02_compute_g_pat(struct vcpu_svm *svm); void svm_switch_vmcb(struct vcpu_svm *svm, struct kvm_vmcb_info *target_vmcb); diff --git a/arch/x86/kvm/svm/svm_onhyperv.h b/arch/x86/kvm/svm/svm_onhyperv.h index 9b9a55abc29f..c53b8bf8d013 100644 --- a/arch/x86/kvm/svm/svm_onhyperv.h +++ b/arch/x86/kvm/svm/svm_onhyperv.h @@ -89,7 +89,7 @@ static inline void svm_hv_vmcb_dirty_nested_enlightenments( * as we mark it dirty unconditionally towards end of vcpu * init phase. */ - if (vmcb && vmcb_is_clean(vmcb, VMCB_HV_NESTED_ENLIGHTENMENTS) && + if (vmcb_is_clean(vmcb, VMCB_HV_NESTED_ENLIGHTENMENTS) && hve->hv_enlightenments_control.msr_bitmap) vmcb_mark_dirty(vmcb, VMCB_HV_NESTED_ENLIGHTENMENTS); } diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index b484141ea15b..03ebe368333e 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -92,6 +92,21 @@ TRACE_EVENT(kvm_hv_hypercall, __entry->outgpa) ); +TRACE_EVENT(kvm_hv_hypercall_done, + TP_PROTO(u64 result), + TP_ARGS(result), + + TP_STRUCT__entry( + __field(__u64, result) + ), + + TP_fast_assign( + __entry->result = result; + ), + + TP_printk("result 0x%llx", __entry->result) +); + /* * Tracepoint for Xen hypercall. */ diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 1a52134b0c42..b3f77d18eb5a 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -330,6 +330,31 @@ void nested_vmx_free_vcpu(struct kvm_vcpu *vcpu) vcpu_put(vcpu); } +#define EPTP_PA_MASK GENMASK_ULL(51, 12) + +static bool nested_ept_root_matches(hpa_t root_hpa, u64 root_eptp, u64 eptp) +{ + return VALID_PAGE(root_hpa) && + ((root_eptp & EPTP_PA_MASK) == (eptp & EPTP_PA_MASK)); +} + +static void nested_ept_invalidate_addr(struct kvm_vcpu *vcpu, gpa_t eptp, + gpa_t addr) +{ + uint i; + struct kvm_mmu_root_info *cached_root; + + WARN_ON_ONCE(!mmu_is_nested(vcpu)); + + for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) { + cached_root = &vcpu->arch.mmu->prev_roots[i]; + + if (nested_ept_root_matches(cached_root->hpa, cached_root->pgd, + eptp)) + vcpu->arch.mmu->invlpg(vcpu, addr, cached_root->hpa); + } +} + static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault) { @@ -342,10 +367,22 @@ static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu, vm_exit_reason = EXIT_REASON_PML_FULL; vmx->nested.pml_full = false; exit_qualification &= INTR_INFO_UNBLOCK_NMI; - } else if (fault->error_code & PFERR_RSVD_MASK) - vm_exit_reason = EXIT_REASON_EPT_MISCONFIG; - else - vm_exit_reason = EXIT_REASON_EPT_VIOLATION; + } else { + if (fault->error_code & PFERR_RSVD_MASK) + vm_exit_reason = EXIT_REASON_EPT_MISCONFIG; + else + vm_exit_reason = EXIT_REASON_EPT_VIOLATION; + + /* + * Although the caller (kvm_inject_emulated_page_fault) would + * have already synced the faulting address in the shadow EPT + * tables for the current EPTP12, we also need to sync it for + * any other cached EPTP02s based on the same EP4TA, since the + * TLB associates mappings to the EP4TA rather than the full EPTP. + */ + nested_ept_invalidate_addr(vcpu, vmcs12->ept_pointer, + fault->address); + } nested_vmx_vmexit(vcpu, vm_exit_reason, 0, exit_qualification); vmcs12->guest_physical_address = fault->address; @@ -5325,14 +5362,6 @@ static int handle_vmptrst(struct kvm_vcpu *vcpu) return nested_vmx_succeed(vcpu); } -#define EPTP_PA_MASK GENMASK_ULL(51, 12) - -static bool nested_ept_root_matches(hpa_t root_hpa, u64 root_eptp, u64 eptp) -{ - return VALID_PAGE(root_hpa) && - ((root_eptp & EPTP_PA_MASK) == (eptp & EPTP_PA_MASK)); -} - /* Emulate the INVEPT instruction */ static int handle_invept(struct kvm_vcpu *vcpu) { @@ -5826,7 +5855,8 @@ static bool nested_vmx_l0_wants_exit(struct kvm_vcpu *vcpu, if (is_nmi(intr_info)) return true; else if (is_page_fault(intr_info)) - return vcpu->arch.apf.host_apf_flags || !enable_ept; + return vcpu->arch.apf.host_apf_flags || + vmx_need_pf_intercept(vcpu); else if (is_debug(intr_info) && vcpu->guest_debug & (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 3979a947933a..17a1cb4b059d 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -14,8 +14,6 @@ #include "vmx_ops.h" #include "cpuid.h" -extern const u32 vmx_msr_index[]; - #define MSR_TYPE_R 1 #define MSR_TYPE_W 2 #define MSR_TYPE_RW 3 @@ -524,7 +522,7 @@ static inline struct vmcs *alloc_vmcs(bool shadow) static inline bool vmx_has_waitpkg(struct vcpu_vmx *vmx) { - return vmx->secondary_exec_control & + return secondary_exec_controls_get(vmx) & SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index c6dc1b445231..e5d5c5ed7dd4 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3407,7 +3407,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) return 1; break; case MSR_KVM_ASYNC_PF_ACK: - if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF)) + if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) return 1; if (data & 0x1) { vcpu->arch.apf.pageready_pending = false; @@ -3746,7 +3746,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) msr_info->data = vcpu->arch.apf.msr_int_val; break; case MSR_KVM_ASYNC_PF_ACK: - if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF)) + if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) return 1; msr_info->data = 0; @@ -4358,8 +4358,17 @@ static int kvm_cpu_accept_dm_intr(struct kvm_vcpu *vcpu) static int kvm_vcpu_ready_for_interrupt_injection(struct kvm_vcpu *vcpu) { - return kvm_arch_interrupt_allowed(vcpu) && - kvm_cpu_accept_dm_intr(vcpu); + /* + * Do not cause an interrupt window exit if an exception + * is pending or an event needs reinjection; userspace + * might want to inject the interrupt manually using KVM_SET_REGS + * or KVM_SET_SREGS. For that to work, we must be at an + * instruction boundary and with no events half-injected. + */ + return (kvm_arch_interrupt_allowed(vcpu) && + kvm_cpu_accept_dm_intr(vcpu) && + !kvm_event_needs_reinjection(vcpu) && + !vcpu->arch.exception.pending); } static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, @@ -9601,6 +9610,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) set_debugreg(vcpu->arch.eff_db[3], 3); set_debugreg(vcpu->arch.dr6, 6); vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; + } else if (unlikely(hw_breakpoint_active())) { + set_debugreg(0, 7); } for (;;) { @@ -10985,9 +10996,6 @@ int kvm_arch_hardware_setup(void *opaque) int r; rdmsrl_safe(MSR_EFER, &host_efer); - if (WARN_ON_ONCE(boot_cpu_has(X86_FEATURE_NX) && - !(host_efer & EFER_NX))) - return -EIO; if (boot_cpu_has(X86_FEATURE_XSAVES)) rdmsrl(MSR_IA32_XSS, host_xss); diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index bad4dee4f0e4..c6506c6a7092 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -44,6 +44,7 @@ obj-$(CONFIG_SMP) += msr-smp.o cache-smp.o lib-y := delay.o misc.o cmdline.o cpu.o lib-y += usercopy_$(BITS).o usercopy.o getuser.o putuser.o lib-y += memcpy_$(BITS).o +lib-y += pc-conf-reg.o lib-$(CONFIG_ARCH_HAS_COPY_MC) += copy_mc.o copy_mc_64.o lib-$(CONFIG_INSTRUCTION_DECODER) += insn.o inat.o insn-eval.o lib-$(CONFIG_RANDOMIZE_BASE) += kaslr.o diff --git a/arch/x86/lib/pc-conf-reg.c b/arch/x86/lib/pc-conf-reg.c new file mode 100644 index 000000000000..febb52749e8d --- /dev/null +++ b/arch/x86/lib/pc-conf-reg.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Support for the configuration register space at port I/O locations + * 0x22 and 0x23 variously used by PC architectures, e.g. the MP Spec, + * Cyrix CPUs, numerous chipsets. As the space is indirectly addressed + * it may have to be protected with a spinlock, depending on the context. + */ + +#include <linux/spinlock.h> + +#include <asm/pc-conf-reg.h> + +DEFINE_RAW_SPINLOCK(pc_conf_lock); diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c index cd768dafca9e..933a2ebad471 100644 --- a/arch/x86/mm/mmio-mod.c +++ b/arch/x86/mm/mmio-mod.c @@ -376,12 +376,12 @@ static void enter_uniprocessor(void) goto out; } - get_online_cpus(); + cpus_read_lock(); cpumask_copy(downed_cpus, cpu_online_mask); cpumask_clear_cpu(cpumask_first(cpu_online_mask), downed_cpus); if (num_online_cpus() > 1) pr_notice("Disabling non-boot CPUs...\n"); - put_online_cpus(); + cpus_read_unlock(); for_each_cpu(cpu, downed_cpus) { err = remove_cpu(cpu); diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 3364fe62b903..3481b35cb4ec 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -682,7 +682,6 @@ int p4d_clear_huge(p4d_t *p4d) } #endif -#if CONFIG_PGTABLE_LEVELS > 3 /** * pud_set_huge - setup kernel PUD mapping * @@ -722,23 +721,6 @@ int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot) } /** - * pud_clear_huge - clear kernel PUD mapping when it is set - * - * Returns 1 on success and 0 on failure (no PUD map is found). - */ -int pud_clear_huge(pud_t *pud) -{ - if (pud_large(*pud)) { - pud_clear(pud); - return 1; - } - - return 0; -} -#endif - -#if CONFIG_PGTABLE_LEVELS > 2 -/** * pmd_set_huge - setup kernel PMD mapping * * See text over pud_set_huge() above. @@ -769,6 +751,21 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot) } /** + * pud_clear_huge - clear kernel PUD mapping when it is set + * + * Returns 1 on success and 0 on failure (no PUD map is found). + */ +int pud_clear_huge(pud_t *pud) +{ + if (pud_large(*pud)) { + pud_clear(pud); + return 1; + } + + return 0; +} + +/** * pmd_clear_huge - clear kernel PMD mapping when it is set * * Returns 1 on success and 0 on failure (no PMD map is found). @@ -782,7 +779,6 @@ int pmd_clear_huge(pmd_t *pmd) return 0; } -#endif #ifdef CONFIG_X86_64 /** diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index cfe6b1e85fa6..59ba2968af1b 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -8,11 +8,13 @@ #include <linux/export.h> #include <linux/cpu.h> #include <linux/debugfs.h> +#include <linux/sched/smt.h> #include <asm/tlbflush.h> #include <asm/mmu_context.h> #include <asm/nospec-branch.h> #include <asm/cache.h> +#include <asm/cacheflush.h> #include <asm/apic.h> #include <asm/perf_event.h> @@ -43,10 +45,15 @@ */ /* - * Use bit 0 to mangle the TIF_SPEC_IB state into the mm pointer which is - * stored in cpu_tlb_state.last_user_mm_ibpb. + * Bits to mangle the TIF_SPEC_* state into the mm pointer which is + * stored in cpu_tlb_state.last_user_mm_spec. */ #define LAST_USER_MM_IBPB 0x1UL +#define LAST_USER_MM_L1D_FLUSH 0x2UL +#define LAST_USER_MM_SPEC_MASK (LAST_USER_MM_IBPB | LAST_USER_MM_L1D_FLUSH) + +/* Bits to set when tlbstate and flush is (re)initialized */ +#define LAST_USER_MM_INIT LAST_USER_MM_IBPB /* * The x86 feature is called PCID (Process Context IDentifier). It is similar @@ -317,20 +324,70 @@ void switch_mm(struct mm_struct *prev, struct mm_struct *next, local_irq_restore(flags); } -static unsigned long mm_mangle_tif_spec_ib(struct task_struct *next) +/* + * Invoked from return to user/guest by a task that opted-in to L1D + * flushing but ended up running on an SMT enabled core due to wrong + * affinity settings or CPU hotplug. This is part of the paranoid L1D flush + * contract which this task requested. + */ +static void l1d_flush_force_sigbus(struct callback_head *ch) +{ + force_sig(SIGBUS); +} + +static void l1d_flush_evaluate(unsigned long prev_mm, unsigned long next_mm, + struct task_struct *next) +{ + /* Flush L1D if the outgoing task requests it */ + if (prev_mm & LAST_USER_MM_L1D_FLUSH) + wrmsrl(MSR_IA32_FLUSH_CMD, L1D_FLUSH); + + /* Check whether the incoming task opted in for L1D flush */ + if (likely(!(next_mm & LAST_USER_MM_L1D_FLUSH))) + return; + + /* + * Validate that it is not running on an SMT sibling as this would + * make the excercise pointless because the siblings share L1D. If + * it runs on a SMT sibling, notify it with SIGBUS on return to + * user/guest + */ + if (this_cpu_read(cpu_info.smt_active)) { + clear_ti_thread_flag(&next->thread_info, TIF_SPEC_L1D_FLUSH); + next->l1d_flush_kill.func = l1d_flush_force_sigbus; + task_work_add(next, &next->l1d_flush_kill, TWA_RESUME); + } +} + +static unsigned long mm_mangle_tif_spec_bits(struct task_struct *next) { unsigned long next_tif = task_thread_info(next)->flags; - unsigned long ibpb = (next_tif >> TIF_SPEC_IB) & LAST_USER_MM_IBPB; + unsigned long spec_bits = (next_tif >> TIF_SPEC_IB) & LAST_USER_MM_SPEC_MASK; - return (unsigned long)next->mm | ibpb; + /* + * Ensure that the bit shift above works as expected and the two flags + * end up in bit 0 and 1. + */ + BUILD_BUG_ON(TIF_SPEC_L1D_FLUSH != TIF_SPEC_IB + 1); + + return (unsigned long)next->mm | spec_bits; } -static void cond_ibpb(struct task_struct *next) +static void cond_mitigation(struct task_struct *next) { + unsigned long prev_mm, next_mm; + if (!next || !next->mm) return; + next_mm = mm_mangle_tif_spec_bits(next); + prev_mm = this_cpu_read(cpu_tlbstate.last_user_mm_spec); + /* + * Avoid user/user BTB poisoning by flushing the branch predictor + * when switching between processes. This stops one process from + * doing Spectre-v2 attacks on another. + * * Both, the conditional and the always IBPB mode use the mm * pointer to avoid the IBPB when switching between tasks of the * same process. Using the mm pointer instead of mm->context.ctx_id @@ -340,8 +397,6 @@ static void cond_ibpb(struct task_struct *next) * exposed data is not really interesting. */ if (static_branch_likely(&switch_mm_cond_ibpb)) { - unsigned long prev_mm, next_mm; - /* * This is a bit more complex than the always mode because * it has to handle two cases: @@ -371,20 +426,14 @@ static void cond_ibpb(struct task_struct *next) * Optimize this with reasonably small overhead for the * above cases. Mangle the TIF_SPEC_IB bit into the mm * pointer of the incoming task which is stored in - * cpu_tlbstate.last_user_mm_ibpb for comparison. - */ - next_mm = mm_mangle_tif_spec_ib(next); - prev_mm = this_cpu_read(cpu_tlbstate.last_user_mm_ibpb); - - /* + * cpu_tlbstate.last_user_mm_spec for comparison. + * * Issue IBPB only if the mm's are different and one or * both have the IBPB bit set. */ if (next_mm != prev_mm && (next_mm | prev_mm) & LAST_USER_MM_IBPB) indirect_branch_prediction_barrier(); - - this_cpu_write(cpu_tlbstate.last_user_mm_ibpb, next_mm); } if (static_branch_unlikely(&switch_mm_always_ibpb)) { @@ -393,11 +442,22 @@ static void cond_ibpb(struct task_struct *next) * different context than the user space task which ran * last on this CPU. */ - if (this_cpu_read(cpu_tlbstate.last_user_mm) != next->mm) { + if ((prev_mm & ~LAST_USER_MM_SPEC_MASK) != + (unsigned long)next->mm) indirect_branch_prediction_barrier(); - this_cpu_write(cpu_tlbstate.last_user_mm, next->mm); - } } + + if (static_branch_unlikely(&switch_mm_cond_l1d_flush)) { + /* + * Flush L1D when the outgoing task requested it and/or + * check whether the incoming task requested L1D flushing + * and ended up on an SMT sibling. + */ + if (unlikely((prev_mm | next_mm) & LAST_USER_MM_L1D_FLUSH)) + l1d_flush_evaluate(prev_mm, next_mm, next); + } + + this_cpu_write(cpu_tlbstate.last_user_mm_spec, next_mm); } #ifdef CONFIG_PERF_EVENTS @@ -531,11 +591,10 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, need_flush = true; } else { /* - * Avoid user/user BTB poisoning by flushing the branch - * predictor when switching between processes. This stops - * one process from doing Spectre-v2 attacks on another. + * Apply process to process speculation vulnerability + * mitigations if applicable. */ - cond_ibpb(tsk); + cond_mitigation(tsk); /* * Stop remote flushes for the previous mm. @@ -643,7 +702,7 @@ void initialize_tlbstate_and_flush(void) write_cr3(build_cr3(mm->pgd, 0)); /* Reinitialize tlbstate. */ - this_cpu_write(cpu_tlbstate.last_user_mm_ibpb, LAST_USER_MM_IBPB); + this_cpu_write(cpu_tlbstate.last_user_mm_spec, LAST_USER_MM_INIT); this_cpu_write(cpu_tlbstate.loaded_mm_asid, 0); this_cpu_write(cpu_tlbstate.next_asid, 1); this_cpu_write(cpu_tlbstate.ctxs[0].ctx_id, mm->context.ctx_id); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index e835164189f1..0fe6aacef3db 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -570,6 +570,9 @@ static void bpf_tail_call_direct_fixup(struct bpf_prog *prog) for (i = 0; i < prog->aux->size_poke_tab; i++) { poke = &prog->aux->poke_tab[i]; + if (poke->aux && poke->aux != prog->aux) + continue; + WARN_ON_ONCE(READ_ONCE(poke->tailcall_target_stable)); if (poke->reason != BPF_POKE_REASON_TAIL_CALL) @@ -1216,6 +1219,13 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image, } break; + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + if (boot_cpu_has(X86_FEATURE_XMM2)) + /* Emit 'lfence' */ + EMIT3(0x0F, 0xAE, 0xE8); + break; + /* ST: *(u8*)(dst_reg + off) = imm */ case BPF_ST | BPF_MEM | BPF_B: if (is_ereg(dst_reg)) @@ -1951,6 +1961,9 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i if (flags & BPF_TRAMP_F_CALL_ORIG) stack_size += 8; /* room for return value of orig_call */ + if (flags & BPF_TRAMP_F_IP_ARG) + stack_size += 8; /* room for IP address argument */ + if (flags & BPF_TRAMP_F_SKIP_FRAME) /* skip patched call instruction and point orig_call to actual * body of the kernel function. @@ -1964,6 +1977,22 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i EMIT4(0x48, 0x83, 0xEC, stack_size); /* sub rsp, stack_size */ EMIT1(0x53); /* push rbx */ + if (flags & BPF_TRAMP_F_IP_ARG) { + /* Store IP address of the traced function: + * mov rax, QWORD PTR [rbp + 8] + * sub rax, X86_PATCH_SIZE + * mov QWORD PTR [rbp - stack_size], rax + */ + emit_ldx(&prog, BPF_DW, BPF_REG_0, BPF_REG_FP, 8); + EMIT4(0x48, 0x83, 0xe8, X86_PATCH_SIZE); + emit_stx(&prog, BPF_DW, BPF_REG_FP, BPF_REG_0, -stack_size); + + /* Continue with stack_size for regs storage, stack will + * be correctly restored with 'leave' instruction. + */ + stack_size -= 8; + } + save_regs(m, &prog, nr_args, stack_size); if (flags & BPF_TRAMP_F_CALL_ORIG) { diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c index 3da88ded6ee3..3bfda5f502cb 100644 --- a/arch/x86/net/bpf_jit_comp32.c +++ b/arch/x86/net/bpf_jit_comp32.c @@ -1886,6 +1886,12 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image, i++; break; } + /* speculation barrier */ + case BPF_ST | BPF_NOSPEC: + if (boot_cpu_has(X86_FEATURE_XMM2)) + /* Emit 'lfence' */ + EMIT3(0x0F, 0xAE, 0xE8); + break; /* ST: *(u8*)(dst_reg + off) = imm */ case BPF_ST | BPF_MEM | BPF_H: case BPF_ST | BPF_MEM | BPF_B: diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index d3a73f9335e1..97b63e35e152 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -13,9 +13,13 @@ #include <linux/dmi.h> #include <linux/io.h> #include <linux/smp.h> +#include <linux/spinlock.h> #include <asm/io_apic.h> #include <linux/irq.h> #include <linux/acpi.h> + +#include <asm/i8259.h> +#include <asm/pc-conf-reg.h> #include <asm/pci_x86.h> #define PIRQ_SIGNATURE (('$' << 0) + ('P' << 8) + ('I' << 16) + ('R' << 24)) @@ -47,6 +51,8 @@ struct irq_router { int (*get)(struct pci_dev *router, struct pci_dev *dev, int pirq); int (*set)(struct pci_dev *router, struct pci_dev *dev, int pirq, int new); + int (*lvl)(struct pci_dev *router, struct pci_dev *dev, int pirq, + int irq); }; struct irq_router_handler { @@ -153,7 +159,7 @@ static void __init pirq_peer_trick(void) void elcr_set_level_irq(unsigned int irq) { unsigned char mask = 1 << (irq & 7); - unsigned int port = 0x4d0 + (irq >> 3); + unsigned int port = PIC_ELCR1 + (irq >> 3); unsigned char val; static u16 elcr_irq_mask; @@ -170,6 +176,139 @@ void elcr_set_level_irq(unsigned int irq) } /* + * PIRQ routing for the M1487 ISA Bus Controller (IBC) ASIC used + * with the ALi FinALi 486 chipset. The IBC is not decoded in the + * PCI configuration space, so we identify it by the accompanying + * M1489 Cache-Memory PCI Controller (CMP) ASIC. + * + * There are four 4-bit mappings provided, spread across two PCI + * INTx Routing Table Mapping Registers, available in the port I/O + * space accessible indirectly via the index/data register pair at + * 0x22/0x23, located at indices 0x42 and 0x43 for the INT1/INT2 + * and INT3/INT4 lines respectively. The INT1/INT3 and INT2/INT4 + * lines are mapped in the low and the high 4-bit nibble of the + * corresponding register as follows: + * + * 0000 : Disabled + * 0001 : IRQ9 + * 0010 : IRQ3 + * 0011 : IRQ10 + * 0100 : IRQ4 + * 0101 : IRQ5 + * 0110 : IRQ7 + * 0111 : IRQ6 + * 1000 : Reserved + * 1001 : IRQ11 + * 1010 : Reserved + * 1011 : IRQ12 + * 1100 : Reserved + * 1101 : IRQ14 + * 1110 : Reserved + * 1111 : IRQ15 + * + * In addition to the usual ELCR register pair there is a separate + * PCI INTx Sensitivity Register at index 0x44 in the same port I/O + * space, whose bits 3:0 select the trigger mode for INT[4:1] lines + * respectively. Any bit set to 1 causes interrupts coming on the + * corresponding line to be passed to ISA as edge-triggered and + * otherwise they are passed as level-triggered. Manufacturer's + * documentation says this register has to be set consistently with + * the relevant ELCR register. + * + * Accesses to the port I/O space concerned here need to be unlocked + * by writing the value of 0xc5 to the Lock Register at index 0x03 + * beforehand. Any other value written to said register prevents + * further accesses from reaching the register file, except for the + * Lock Register being written with 0xc5 again. + * + * References: + * + * "M1489/M1487: 486 PCI Chip Set", Version 1.2, Acer Laboratories + * Inc., July 1997 + */ + +#define PC_CONF_FINALI_LOCK 0x03u +#define PC_CONF_FINALI_PCI_INTX_RT1 0x42u +#define PC_CONF_FINALI_PCI_INTX_RT2 0x43u +#define PC_CONF_FINALI_PCI_INTX_SENS 0x44u + +#define PC_CONF_FINALI_LOCK_KEY 0xc5u + +static u8 read_pc_conf_nybble(u8 base, u8 index) +{ + u8 reg = base + (index >> 1); + u8 x; + + x = pc_conf_get(reg); + return index & 1 ? x >> 4 : x & 0xf; +} + +static void write_pc_conf_nybble(u8 base, u8 index, u8 val) +{ + u8 reg = base + (index >> 1); + u8 x; + + x = pc_conf_get(reg); + x = index & 1 ? (x & 0x0f) | (val << 4) : (x & 0xf0) | val; + pc_conf_set(reg, x); +} + +static int pirq_finali_get(struct pci_dev *router, struct pci_dev *dev, + int pirq) +{ + static const u8 irqmap[16] = { + 0, 9, 3, 10, 4, 5, 7, 6, 0, 11, 0, 12, 0, 14, 0, 15 + }; + unsigned long flags; + u8 x; + + raw_spin_lock_irqsave(&pc_conf_lock, flags); + pc_conf_set(PC_CONF_FINALI_LOCK, PC_CONF_FINALI_LOCK_KEY); + x = irqmap[read_pc_conf_nybble(PC_CONF_FINALI_PCI_INTX_RT1, pirq - 1)]; + pc_conf_set(PC_CONF_FINALI_LOCK, 0); + raw_spin_unlock_irqrestore(&pc_conf_lock, flags); + return x; +} + +static int pirq_finali_set(struct pci_dev *router, struct pci_dev *dev, + int pirq, int irq) +{ + static const u8 irqmap[16] = { + 0, 0, 0, 2, 4, 5, 7, 6, 0, 1, 3, 9, 11, 0, 13, 15 + }; + u8 val = irqmap[irq]; + unsigned long flags; + + if (!val) + return 0; + + raw_spin_lock_irqsave(&pc_conf_lock, flags); + pc_conf_set(PC_CONF_FINALI_LOCK, PC_CONF_FINALI_LOCK_KEY); + write_pc_conf_nybble(PC_CONF_FINALI_PCI_INTX_RT1, pirq - 1, val); + pc_conf_set(PC_CONF_FINALI_LOCK, 0); + raw_spin_unlock_irqrestore(&pc_conf_lock, flags); + return 1; +} + +static int pirq_finali_lvl(struct pci_dev *router, struct pci_dev *dev, + int pirq, int irq) +{ + u8 mask = ~(1u << (pirq - 1)); + unsigned long flags; + u8 trig; + + elcr_set_level_irq(irq); + raw_spin_lock_irqsave(&pc_conf_lock, flags); + pc_conf_set(PC_CONF_FINALI_LOCK, PC_CONF_FINALI_LOCK_KEY); + trig = pc_conf_get(PC_CONF_FINALI_PCI_INTX_SENS); + trig &= mask; + pc_conf_set(PC_CONF_FINALI_PCI_INTX_SENS, trig); + pc_conf_set(PC_CONF_FINALI_LOCK, 0); + raw_spin_unlock_irqrestore(&pc_conf_lock, flags); + return 1; +} + +/* * Common IRQ routing practice: nibbles in config space, * offset by some magic constant. */ @@ -220,6 +359,74 @@ static int pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, i } /* + * PIRQ routing for the 82374EB/82374SB EISA System Component (ESC) + * ASIC used with the Intel 82420 and 82430 PCIsets. The ESC is not + * decoded in the PCI configuration space, so we identify it by the + * accompanying 82375EB/82375SB PCI-EISA Bridge (PCEB) ASIC. + * + * There are four PIRQ Route Control registers, available in the + * port I/O space accessible indirectly via the index/data register + * pair at 0x22/0x23, located at indices 0x60/0x61/0x62/0x63 for the + * PIRQ0/1/2/3# lines respectively. The semantics is the same as + * with the PIIX router. + * + * Accesses to the port I/O space concerned here need to be unlocked + * by writing the value of 0x0f to the ESC ID Register at index 0x02 + * beforehand. Any other value written to said register prevents + * further accesses from reaching the register file, except for the + * ESC ID Register being written with 0x0f again. + * + * References: + * + * "82374EB/82374SB EISA System Component (ESC)", Intel Corporation, + * Order Number: 290476-004, March 1996 + * + * "82375EB/82375SB PCI-EISA Bridge (PCEB)", Intel Corporation, Order + * Number: 290477-004, March 1996 + */ + +#define PC_CONF_I82374_ESC_ID 0x02u +#define PC_CONF_I82374_PIRQ_ROUTE_CONTROL 0x60u + +#define PC_CONF_I82374_ESC_ID_KEY 0x0fu + +static int pirq_esc_get(struct pci_dev *router, struct pci_dev *dev, int pirq) +{ + unsigned long flags; + int reg; + u8 x; + + reg = pirq; + if (reg >= 1 && reg <= 4) + reg += PC_CONF_I82374_PIRQ_ROUTE_CONTROL - 1; + + raw_spin_lock_irqsave(&pc_conf_lock, flags); + pc_conf_set(PC_CONF_I82374_ESC_ID, PC_CONF_I82374_ESC_ID_KEY); + x = pc_conf_get(reg); + pc_conf_set(PC_CONF_I82374_ESC_ID, 0); + raw_spin_unlock_irqrestore(&pc_conf_lock, flags); + return (x < 16) ? x : 0; +} + +static int pirq_esc_set(struct pci_dev *router, struct pci_dev *dev, int pirq, + int irq) +{ + unsigned long flags; + int reg; + + reg = pirq; + if (reg >= 1 && reg <= 4) + reg += PC_CONF_I82374_PIRQ_ROUTE_CONTROL - 1; + + raw_spin_lock_irqsave(&pc_conf_lock, flags); + pc_conf_set(PC_CONF_I82374_ESC_ID, PC_CONF_I82374_ESC_ID_KEY); + pc_conf_set(reg, irq); + pc_conf_set(PC_CONF_I82374_ESC_ID, 0); + raw_spin_unlock_irqrestore(&pc_conf_lock, flags); + return 1; +} + +/* * The Intel PIIX4 pirq rules are fairly simple: "pirq" is * just a pointer to the config space. */ @@ -238,6 +445,50 @@ static int pirq_piix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, } /* + * PIRQ routing for the 82426EX ISA Bridge (IB) ASIC used with the + * Intel 82420EX PCIset. + * + * There are only two PIRQ Route Control registers, available in the + * combined 82425EX/82426EX PCI configuration space, at 0x66 and 0x67 + * for the PIRQ0# and PIRQ1# lines respectively. The semantics is + * the same as with the PIIX router. + * + * References: + * + * "82420EX PCIset Data Sheet, 82425EX PCI System Controller (PSC) + * and 82426EX ISA Bridge (IB)", Intel Corporation, Order Number: + * 290488-004, December 1995 + */ + +#define PCI_I82426EX_PIRQ_ROUTE_CONTROL 0x66u + +static int pirq_ib_get(struct pci_dev *router, struct pci_dev *dev, int pirq) +{ + int reg; + u8 x; + + reg = pirq; + if (reg >= 1 && reg <= 2) + reg += PCI_I82426EX_PIRQ_ROUTE_CONTROL - 1; + + pci_read_config_byte(router, reg, &x); + return (x < 16) ? x : 0; +} + +static int pirq_ib_set(struct pci_dev *router, struct pci_dev *dev, int pirq, + int irq) +{ + int reg; + + reg = pirq; + if (reg >= 1 && reg <= 2) + reg += PCI_I82426EX_PIRQ_ROUTE_CONTROL - 1; + + pci_write_config_byte(router, reg, irq); + return 1; +} + +/* * The VIA pirq rules are nibble-based, like ALI, * but without the ugly irq number munging. * However, PIRQD is in the upper instead of lower 4 bits. @@ -549,6 +800,11 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route return 0; switch (device) { + case PCI_DEVICE_ID_INTEL_82375: + r->name = "PCEB/ESC"; + r->get = pirq_esc_get; + r->set = pirq_esc_set; + return 1; case PCI_DEVICE_ID_INTEL_82371FB_0: case PCI_DEVICE_ID_INTEL_82371SB_0: case PCI_DEVICE_ID_INTEL_82371AB_0: @@ -594,6 +850,11 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route r->get = pirq_piix_get; r->set = pirq_piix_set; return 1; + case PCI_DEVICE_ID_INTEL_82425: + r->name = "PSC/IB"; + r->get = pirq_ib_get; + r->set = pirq_ib_set; + return 1; } if ((device >= PCI_DEVICE_ID_INTEL_5_3400_SERIES_LPC_MIN && @@ -745,6 +1006,12 @@ static __init int ite_router_probe(struct irq_router *r, struct pci_dev *router, static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) { switch (device) { + case PCI_DEVICE_ID_AL_M1489: + r->name = "FinALi"; + r->get = pirq_finali_get; + r->set = pirq_finali_set; + r->lvl = pirq_finali_lvl; + return 1; case PCI_DEVICE_ID_AL_M1533: case PCI_DEVICE_ID_AL_M1563: r->name = "ALI"; @@ -968,11 +1235,17 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign) } else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \ ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) { msg = "found"; - elcr_set_level_irq(irq); + if (r->lvl) + r->lvl(pirq_router_dev, dev, pirq, irq); + else + elcr_set_level_irq(irq); } else if (newirq && r->set && (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) { if (r->set(pirq_router_dev, dev, pirq, newirq)) { - elcr_set_level_irq(newirq); + if (r->lvl) + r->lvl(pirq_router_dev, dev, pirq, newirq); + else + elcr_set_level_irq(newirq); msg = "assigned"; irq = newirq; } diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 3a070e7cdb8b..6665f8802098 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -58,19 +58,20 @@ static void msr_restore_context(struct saved_context *ctxt) } /** - * __save_processor_state - save CPU registers before creating a - * hibernation image and before restoring the memory state from it - * @ctxt - structure to store the registers contents in + * __save_processor_state() - Save CPU registers before creating a + * hibernation image and before restoring + * the memory state from it + * @ctxt: Structure to store the registers contents in. * - * NOTE: If there is a CPU register the modification of which by the - * boot kernel (ie. the kernel used for loading the hibernation image) - * might affect the operations of the restored target kernel (ie. the one - * saved in the hibernation image), then its contents must be saved by this - * function. In other words, if kernel A is hibernated and different - * kernel B is used for loading the hibernation image into memory, the - * kernel A's __save_processor_state() function must save all registers - * needed by kernel A, so that it can operate correctly after the resume - * regardless of what kernel B does in the meantime. + * NOTE: If there is a CPU register the modification of which by the + * boot kernel (ie. the kernel used for loading the hibernation image) + * might affect the operations of the restored target kernel (ie. the one + * saved in the hibernation image), then its contents must be saved by this + * function. In other words, if kernel A is hibernated and different + * kernel B is used for loading the hibernation image into memory, the + * kernel A's __save_processor_state() function must save all registers + * needed by kernel A, so that it can operate correctly after the resume + * regardless of what kernel B does in the meantime. */ static void __save_processor_state(struct saved_context *ctxt) { @@ -181,9 +182,9 @@ static void fix_processor_context(void) } /** - * __restore_processor_state - restore the contents of CPU registers saved - * by __save_processor_state() - * @ctxt - structure to load the registers contents from + * __restore_processor_state() - Restore the contents of CPU registers saved + * by __save_processor_state() + * @ctxt: Structure to load the registers contents from. * * The asm code that gets us here will have restored a usable GDT, although * it will be pointing to the wrong alias. diff --git a/arch/x86/tools/chkobjdump.awk b/arch/x86/tools/chkobjdump.awk index fd1ab80be0de..a4cf678cf5c8 100644 --- a/arch/x86/tools/chkobjdump.awk +++ b/arch/x86/tools/chkobjdump.awk @@ -10,6 +10,7 @@ BEGIN { /^GNU objdump/ { verstr = "" + gsub(/\(.*\)/, ""); for (i = 3; i <= NF; i++) if (match($(i), "^[0-9]")) { verstr = $(i); diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c index 04c5a44b9682..27c82207d387 100644 --- a/arch/x86/tools/relocs.c +++ b/arch/x86/tools/relocs.c @@ -26,6 +26,9 @@ static struct relocs relocs32; #if ELF_BITS == 64 static struct relocs relocs32neg; static struct relocs relocs64; +#define FMT PRIu64 +#else +#define FMT PRIu32 #endif struct section { @@ -57,12 +60,12 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = { [S_REL] = "^(__init_(begin|end)|" "__x86_cpu_dev_(start|end)|" - "(__parainstructions|__alt_instructions)(|_end)|" - "(__iommu_table|__apicdrivers|__smp_locks)(|_end)|" + "(__parainstructions|__alt_instructions)(_end)?|" + "(__iommu_table|__apicdrivers|__smp_locks)(_end)?|" "__(start|end)_pci_.*|" "__(start|end)_builtin_fw|" - "__(start|stop)___ksymtab(|_gpl)|" - "__(start|stop)___kcrctab(|_gpl)|" + "__(start|stop)___ksymtab(_gpl)?|" + "__(start|stop)___kcrctab(_gpl)?|" "__(start|stop)___param|" "__(start|stop)___modver|" "__(start|stop)___bug_table|" @@ -389,7 +392,7 @@ static void read_ehdr(FILE *fp) Elf_Shdr shdr; if (fseek(fp, ehdr.e_shoff, SEEK_SET) < 0) - die("Seek to %d failed: %s\n", ehdr.e_shoff, strerror(errno)); + die("Seek to %" FMT " failed: %s\n", ehdr.e_shoff, strerror(errno)); if (fread(&shdr, sizeof(shdr), 1, fp) != 1) die("Cannot read initial ELF section header: %s\n", strerror(errno)); @@ -412,17 +415,17 @@ static void read_shdrs(FILE *fp) secs = calloc(shnum, sizeof(struct section)); if (!secs) { - die("Unable to allocate %d section headers\n", + die("Unable to allocate %ld section headers\n", shnum); } if (fseek(fp, ehdr.e_shoff, SEEK_SET) < 0) { - die("Seek to %d failed: %s\n", - ehdr.e_shoff, strerror(errno)); + die("Seek to %" FMT " failed: %s\n", + ehdr.e_shoff, strerror(errno)); } for (i = 0; i < shnum; i++) { struct section *sec = &secs[i]; if (fread(&shdr, sizeof(shdr), 1, fp) != 1) - die("Cannot read ELF section headers %d/%d: %s\n", + die("Cannot read ELF section headers %d/%ld: %s\n", i, shnum, strerror(errno)); sec->shdr.sh_name = elf_word_to_cpu(shdr.sh_name); sec->shdr.sh_type = elf_word_to_cpu(shdr.sh_type); @@ -450,12 +453,12 @@ static void read_strtabs(FILE *fp) } sec->strtab = malloc(sec->shdr.sh_size); if (!sec->strtab) { - die("malloc of %d bytes for strtab failed\n", - sec->shdr.sh_size); + die("malloc of %" FMT " bytes for strtab failed\n", + sec->shdr.sh_size); } if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) { - die("Seek to %d failed: %s\n", - sec->shdr.sh_offset, strerror(errno)); + die("Seek to %" FMT " failed: %s\n", + sec->shdr.sh_offset, strerror(errno)); } if (fread(sec->strtab, 1, sec->shdr.sh_size, fp) != sec->shdr.sh_size) { @@ -475,12 +478,12 @@ static void read_symtabs(FILE *fp) } sec->symtab = malloc(sec->shdr.sh_size); if (!sec->symtab) { - die("malloc of %d bytes for symtab failed\n", - sec->shdr.sh_size); + die("malloc of %" FMT " bytes for symtab failed\n", + sec->shdr.sh_size); } if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) { - die("Seek to %d failed: %s\n", - sec->shdr.sh_offset, strerror(errno)); + die("Seek to %" FMT " failed: %s\n", + sec->shdr.sh_offset, strerror(errno)); } if (fread(sec->symtab, 1, sec->shdr.sh_size, fp) != sec->shdr.sh_size) { @@ -508,12 +511,12 @@ static void read_relocs(FILE *fp) } sec->reltab = malloc(sec->shdr.sh_size); if (!sec->reltab) { - die("malloc of %d bytes for relocs failed\n", - sec->shdr.sh_size); + die("malloc of %" FMT " bytes for relocs failed\n", + sec->shdr.sh_size); } if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) { - die("Seek to %d failed: %s\n", - sec->shdr.sh_offset, strerror(errno)); + die("Seek to %" FMT " failed: %s\n", + sec->shdr.sh_offset, strerror(errno)); } if (fread(sec->reltab, 1, sec->shdr.sh_size, fp) != sec->shdr.sh_size) { diff --git a/arch/x86/tools/relocs.h b/arch/x86/tools/relocs.h index 43c83c0fd22c..4c49c82446eb 100644 --- a/arch/x86/tools/relocs.h +++ b/arch/x86/tools/relocs.h @@ -17,6 +17,7 @@ #include <regex.h> #include <tools/le_byteshift.h> +__attribute__((__format__(printf, 1, 2))) void die(char *fmt, ...) __attribute__((noreturn)); #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 2332b2156993..3878880469d1 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -327,7 +327,6 @@ config XTENSA_PLATFORM_ISS config XTENSA_PLATFORM_XT2000 bool "XT2000" - select HAVE_IDE help XT2000 is the name of Tensilica's feature-rich emulation platform. This hardware is capable of running a full Linux distribution. diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index a48bf2d10ac2..764b54bef701 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -33,8 +33,6 @@ DECLARE_PER_CPU(unsigned long, nmi_count); asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) { - int irq = irq_find_mapping(NULL, hwirq); - #ifdef CONFIG_DEBUG_STACKOVERFLOW /* Debugging check for stack overflow: is there less than 1KB free? */ { @@ -48,7 +46,7 @@ asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) sp - sizeof(struct thread_info)); } #endif - generic_handle_irq(irq); + generic_handle_domain_irq(NULL, hwirq); } int arch_show_interrupts(struct seq_file *p, int prec) diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c index 21184488c277..81f988914d9a 100644 --- a/arch/xtensa/platforms/iss/console.c +++ b/arch/xtensa/platforms/iss/console.c @@ -136,28 +136,41 @@ static const struct tty_operations serial_ops = { static int __init rs_init(void) { - tty_port_init(&serial_port); + struct tty_driver *driver; + int ret; + + driver = tty_alloc_driver(SERIAL_MAX_NUM_LINES, TTY_DRIVER_REAL_RAW); + if (IS_ERR(driver)) + return PTR_ERR(driver); - serial_driver = alloc_tty_driver(SERIAL_MAX_NUM_LINES); + tty_port_init(&serial_port); /* Initialize the tty_driver structure */ - serial_driver->driver_name = "iss_serial"; - serial_driver->name = "ttyS"; - serial_driver->major = TTY_MAJOR; - serial_driver->minor_start = 64; - serial_driver->type = TTY_DRIVER_TYPE_SERIAL; - serial_driver->subtype = SERIAL_TYPE_NORMAL; - serial_driver->init_termios = tty_std_termios; - serial_driver->init_termios.c_cflag = + driver->driver_name = "iss_serial"; + driver->name = "ttyS"; + driver->major = TTY_MAJOR; + driver->minor_start = 64; + driver->type = TTY_DRIVER_TYPE_SERIAL; + driver->subtype = SERIAL_TYPE_NORMAL; + driver->init_termios = tty_std_termios; + driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; - serial_driver->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(serial_driver, &serial_ops); - tty_port_link_device(&serial_port, serial_driver, 0); + tty_set_operations(driver, &serial_ops); + tty_port_link_device(&serial_port, driver, 0); + + ret = tty_register_driver(driver); + if (ret) { + pr_err("Couldn't register serial driver\n"); + tty_driver_kref_put(driver); + tty_port_destroy(&serial_port); + + return ret; + } + + serial_driver = driver; - if (tty_register_driver(serial_driver)) - panic("Couldn't register serial driver\n"); return 0; } @@ -165,7 +178,7 @@ static int __init rs_init(void) static __exit void rs_exit(void) { tty_unregister_driver(serial_driver); - put_tty_driver(serial_driver); + tty_driver_kref_put(serial_driver); tty_port_destroy(&serial_port); } |