diff options
342 files changed, 2960 insertions, 1586 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt index 6db22103e2dd..025cf8c9324a 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt @@ -36,7 +36,7 @@ Optional properties: control gpios - threshold: allows setting the "click"-threshold in the range - from 20 to 80. + from 0 to 80. - gain: allows setting the sensitivity in the range from 0 to 31. Note that lower values indicate higher diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt index 71a3c134af1b..f01d154090da 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt @@ -247,7 +247,6 @@ bias-bus-hold - latch weakly bias-pull-up - pull up the pin bias-pull-down - pull down the pin bias-pull-pin-default - use pin-default pull state -bi-directional - pin supports simultaneous input/output operations drive-push-pull - drive actively high and low drive-open-drain - drive with open drain drive-open-source - drive with open source @@ -260,7 +259,6 @@ input-debounce - debounce mode with debound time X power-source - select between different power supplies low-power-enable - enable low power mode low-power-disable - disable low power mode -output-enable - enable output on pin regardless of output value output-low - set the pin to output mode with low level output-high - set the pin to output mode with high level slew-rate - set the slew rate diff --git a/Documentation/input/devices/edt-ft5x06.rst b/Documentation/input/devices/edt-ft5x06.rst index 2032f0b7a8fa..1ccc94b192b7 100644 --- a/Documentation/input/devices/edt-ft5x06.rst +++ b/Documentation/input/devices/edt-ft5x06.rst @@ -15,7 +15,7 @@ It has been tested with the following devices: The driver allows configuration of the touch screen via a set of sysfs files: /sys/class/input/eventX/device/device/threshold: - allows setting the "click"-threshold in the range from 20 to 80. + allows setting the "click"-threshold in the range from 0 to 80. /sys/class/input/eventX/device/device/gain: allows setting the sensitivity in the range from 0 to 31. Note that diff --git a/MAINTAINERS b/MAINTAINERS index 0f92a2ff4b12..fb60bf6dfead 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7143,7 +7143,7 @@ S: Maintained F: drivers/media/platform/rcar_jpu.c JSM Neo PCI based serial card -M: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com> +M: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com> L: linux-serial@vger.kernel.org S: Maintained F: drivers/tty/serial/jsm/ @@ -10450,7 +10450,7 @@ S: Orphan PXA RTC DRIVER M: Robert Jarzmik <robert.jarzmik@free.fr> -L: rtc-linux@googlegroups.com +L: linux-rtc@vger.kernel.org S: Maintained QAT DRIVER @@ -10757,7 +10757,7 @@ X: kernel/torture.c REAL TIME CLOCK (RTC) SUBSYSTEM M: Alessandro Zummo <a.zummo@towertech.it> M: Alexandre Belloni <alexandre.belloni@free-electrons.com> -L: rtc-linux@googlegroups.com +L: linux-rtc@vger.kernel.org Q: http://patchwork.ozlabs.org/project/rtc-linux/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git S: Maintained @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 12 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc4 NAME = Fearless Coyote # *DOCUMENTATION* diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S index 9d5dc4fda3c1..3f7d1b74c5e0 100644 --- a/arch/arm/boot/compressed/efi-header.S +++ b/arch/arm/boot/compressed/efi-header.S @@ -17,14 +17,12 @@ @ there. .inst 'M' | ('Z' << 8) | (0x1310 << 16) @ tstne r0, #0x4d000 #else - mov r0, r0 + W(mov) r0, r0 #endif .endm .macro __EFI_HEADER #ifdef CONFIG_EFI_STUB - b __efi_start - .set start_offset, __efi_start - start .org start + 0x3c @ diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 7c711ba61417..8a756870c238 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -130,19 +130,22 @@ start: .rept 7 __nop .endr - ARM( mov r0, r0 ) - ARM( b 1f ) - THUMB( badr r12, 1f ) - THUMB( bx r12 ) +#ifndef CONFIG_THUMB2_KERNEL + mov r0, r0 +#else + AR_CLASS( sub pc, pc, #3 ) @ A/R: switch to Thumb2 mode + M_CLASS( nop.w ) @ M: already in Thumb2 mode + .thumb +#endif + W(b) 1f .word _magic_sig @ Magic numbers to help the loader .word _magic_start @ absolute load/run zImage address .word _magic_end @ zImage end address .word 0x04030201 @ endianness flag - THUMB( .thumb ) -1: __EFI_HEADER - + __EFI_HEADER +1: ARM_BE8( setend be ) @ go BE8 if compiled for BE8 AR_CLASS( mrs r9, cpsr ) #ifdef CONFIG_ARM_VIRT_EXT diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c index cf062472e07b..2b913f17d50f 100644 --- a/arch/arm/common/mcpm_entry.c +++ b/arch/arm/common/mcpm_entry.c @@ -235,7 +235,7 @@ int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster) return ret; } -typedef void (*phys_reset_t)(unsigned long); +typedef typeof(cpu_reset) phys_reset_t; void mcpm_cpu_power_down(void) { @@ -300,7 +300,7 @@ void mcpm_cpu_power_down(void) * on the CPU. */ phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset); - phys_reset(__pa_symbol(mcpm_entry_point)); + phys_reset(__pa_symbol(mcpm_entry_point), false); /* should never get here */ BUG(); @@ -389,7 +389,7 @@ static int __init nocache_trampoline(unsigned long _arg) __mcpm_cpu_down(cpu, cluster); phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset); - phys_reset(__pa_symbol(mcpm_entry_point)); + phys_reset(__pa_symbol(mcpm_entry_point), false); BUG(); } diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h index 302240c19a5a..a0d726a47c8a 100644 --- a/arch/arm/include/asm/pgtable-nommu.h +++ b/arch/arm/include/asm/pgtable-nommu.h @@ -66,6 +66,7 @@ typedef pte_t *pte_addr_t; #define pgprot_noncached(prot) (prot) #define pgprot_writecombine(prot) (prot) #define pgprot_dmacoherent(prot) (prot) +#define pgprot_device(prot) (prot) /* diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 0e99978da3f0..59cca1d6ec54 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -23,9 +23,9 @@ #define ACPI_MADT_GICC_LENGTH \ (acpi_gbl_FADT.header.revision < 6 ? 76 : 80) -#define BAD_MADT_GICC_ENTRY(entry, end) \ - (!(entry) || (unsigned long)(entry) + sizeof(*(entry)) > (end) || \ - (entry)->header.length != ACPI_MADT_GICC_LENGTH) +#define BAD_MADT_GICC_ENTRY(entry, end) \ + (!(entry) || (entry)->header.length != ACPI_MADT_GICC_LENGTH || \ + (unsigned long)(entry) + ACPI_MADT_GICC_LENGTH > (end)) /* Basic configuration for ACPI */ #ifdef CONFIG_ACPI diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index 4f0e3ebfea4b..c7e3e6387a49 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -191,8 +191,10 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) return NULL; root_ops = kzalloc_node(sizeof(*root_ops), GFP_KERNEL, node); - if (!root_ops) + if (!root_ops) { + kfree(ri); return NULL; + } ri->cfg = pci_acpi_setup_ecam_mapping(root); if (!ri->cfg) { diff --git a/arch/frv/include/asm/timex.h b/arch/frv/include/asm/timex.h index a89bddefdacf..139093fab326 100644 --- a/arch/frv/include/asm/timex.h +++ b/arch/frv/include/asm/timex.h @@ -16,5 +16,11 @@ static inline cycles_t get_cycles(void) #define vxtime_lock() do {} while (0) #define vxtime_unlock() do {} while (0) +/* This attribute is used in include/linux/jiffies.h alongside with + * __cacheline_aligned_in_smp. It is assumed that __cacheline_aligned_in_smp + * for frv does not contain another section specification. + */ +#define __jiffy_arch_data __attribute__((__section__(".data"))) + #endif diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 918d4c73e951..5351e1f3950d 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -120,7 +120,6 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long usp, struct thread_info *ti = task_thread_info(p); struct pt_regs *childregs, *regs = current_pt_regs(); unsigned long childksp; - p->set_child_tid = p->clear_child_tid = NULL; childksp = (unsigned long)task_stack_page(p) + THREAD_SIZE - 32; diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c index f8da545854f9..106859ae27ff 100644 --- a/arch/openrisc/kernel/process.c +++ b/arch/openrisc/kernel/process.c @@ -167,8 +167,6 @@ copy_thread(unsigned long clone_flags, unsigned long usp, top_of_kernel_stack = sp; - p->set_child_tid = p->clear_child_tid = NULL; - /* Locate userspace context on stack... */ sp -= STACK_FRAME_OVERHEAD; /* redzone */ sp -= sizeof(struct pt_regs); diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/powerpc/include/uapi/asm/cputable.h index 3e7ce86d5c13..4d877144f377 100644 --- a/arch/powerpc/include/uapi/asm/cputable.h +++ b/arch/powerpc/include/uapi/asm/cputable.h @@ -46,6 +46,8 @@ #define PPC_FEATURE2_HTM_NOSC 0x01000000 #define PPC_FEATURE2_ARCH_3_00 0x00800000 /* ISA 3.00 */ #define PPC_FEATURE2_HAS_IEEE128 0x00400000 /* VSX IEEE Binary Float 128-bit */ +#define PPC_FEATURE2_DARN 0x00200000 /* darn random number insn */ +#define PPC_FEATURE2_SCV 0x00100000 /* scv syscall */ /* * IMPORTANT! diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 9b3e88b1a9c8..6f849832a669 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -124,7 +124,8 @@ extern void __restore_cpu_e6500(void); #define COMMON_USER_POWER9 COMMON_USER_POWER8 #define COMMON_USER2_POWER9 (COMMON_USER2_POWER8 | \ PPC_FEATURE2_ARCH_3_00 | \ - PPC_FEATURE2_HAS_IEEE128) + PPC_FEATURE2_HAS_IEEE128 | \ + PPC_FEATURE2_DARN ) #ifdef CONFIG_PPC_BOOK3E_64 #define COMMON_USER_BOOKE (COMMON_USER_PPC64 | PPC_FEATURE_BOOKE) diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 40c4887c27b6..f83056297441 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -161,7 +161,9 @@ static struct ibm_pa_feature { { .pabyte = 0, .pabit = 3, .cpu_features = CPU_FTR_CTRL }, { .pabyte = 0, .pabit = 6, .cpu_features = CPU_FTR_NOEXECUTE }, { .pabyte = 1, .pabit = 2, .mmu_features = MMU_FTR_CI_LARGE_PAGE }, +#ifdef CONFIG_PPC_RADIX_MMU { .pabyte = 40, .pabit = 0, .mmu_features = MMU_FTR_TYPE_RADIX }, +#endif { .pabyte = 1, .pabit = 1, .invert = 1, .cpu_features = CPU_FTR_NODSISRALIGN }, { .pabyte = 5, .pabit = 0, .cpu_features = CPU_FTR_REAL_LE, .cpu_user_ftrs = PPC_FEATURE_TRUE_LE }, diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 96c2b8a40630..0c45cdbac4cf 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -197,7 +197,9 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr) (REGION_ID(ea) != USER_REGION_ID)) { spin_unlock(&spu->register_lock); - ret = hash_page(ea, _PAGE_PRESENT | _PAGE_READ, 0x300, dsisr); + ret = hash_page(ea, + _PAGE_PRESENT | _PAGE_READ | _PAGE_PRIVILEGED, + 0x300, dsisr); spin_lock(&spu->register_lock); if (!ret) { diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index 067defeea691..78fa9395b8c5 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -714,7 +714,7 @@ static void pnv_npu2_release_context(struct kref *kref) void pnv_npu2_destroy_context(struct npu_context *npu_context, struct pci_dev *gpdev) { - struct pnv_phb *nphb, *phb; + struct pnv_phb *nphb; struct npu *npu; struct pci_dev *npdev = pnv_pci_get_npu_dev(gpdev, 0); struct device_node *nvlink_dn; @@ -728,13 +728,12 @@ void pnv_npu2_destroy_context(struct npu_context *npu_context, nphb = pci_bus_to_host(npdev->bus)->private_data; npu = &nphb->npu; - phb = pci_bus_to_host(gpdev->bus)->private_data; nvlink_dn = of_parse_phandle(npdev->dev.of_node, "ibm,nvlink", 0); if (WARN_ON(of_property_read_u32(nvlink_dn, "ibm,npu-link-index", &nvlink_index))) return; npu_context->npdev[npu->index][nvlink_index] = NULL; - opal_npu_destroy_context(phb->opal_id, npu_context->mm->context.id, + opal_npu_destroy_context(nphb->opal_id, npu_context->mm->context.id, PCI_DEVID(gpdev->bus->number, gpdev->devfn)); kref_put(&npu_context->kref, pnv_npu2_release_context); } diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 58243b0d21c0..b558c9e29de3 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -192,9 +192,9 @@ config NR_CPUS int "Maximum number of CPUs" depends on SMP range 2 32 if SPARC32 - range 2 1024 if SPARC64 + range 2 4096 if SPARC64 default 32 if SPARC32 - default 64 if SPARC64 + default 4096 if SPARC64 source kernel/Kconfig.hz @@ -295,9 +295,13 @@ config NUMA depends on SPARC64 && SMP config NODES_SHIFT - int - default "4" + int "Maximum NUMA Nodes (as a power of 2)" + range 4 5 if SPARC64 + default "5" depends on NEED_MULTIPLE_NODES + help + Specify the maximum number of NUMA Nodes available on the target + system. Increases memory reserved to accommodate various tables. # Some NUMA nodes have memory ranges that span # other nodes. Even though a pfn is valid and diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h index f7de0dbc38af..83b36a5371ff 100644 --- a/arch/sparc/include/asm/mmu_64.h +++ b/arch/sparc/include/asm/mmu_64.h @@ -52,7 +52,7 @@ #define CTX_NR_MASK TAG_CONTEXT_BITS #define CTX_HW_MASK (CTX_NR_MASK | CTX_PGSZ_MASK) -#define CTX_FIRST_VERSION ((_AC(1,UL) << CTX_VERSION_SHIFT) + _AC(1,UL)) +#define CTX_FIRST_VERSION BIT(CTX_VERSION_SHIFT) #define CTX_VALID(__ctx) \ (!(((__ctx.sparc64_ctx_val) ^ tlb_context_cache) & CTX_VERSION_MASK)) #define CTX_HWBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_HW_MASK) diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h index 22fede6eba11..2cddcda4f85f 100644 --- a/arch/sparc/include/asm/mmu_context_64.h +++ b/arch/sparc/include/asm/mmu_context_64.h @@ -19,13 +19,8 @@ extern spinlock_t ctx_alloc_lock; extern unsigned long tlb_context_cache; extern unsigned long mmu_context_bmap[]; +DECLARE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm); void get_new_mmu_context(struct mm_struct *mm); -#ifdef CONFIG_SMP -void smp_new_mmu_context_version(void); -#else -#define smp_new_mmu_context_version() do { } while (0) -#endif - int init_new_context(struct task_struct *tsk, struct mm_struct *mm); void destroy_context(struct mm_struct *mm); @@ -76,8 +71,9 @@ void __flush_tlb_mm(unsigned long, unsigned long); static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk) { unsigned long ctx_valid, flags; - int cpu; + int cpu = smp_processor_id(); + per_cpu(per_cpu_secondary_mm, cpu) = mm; if (unlikely(mm == &init_mm)) return; @@ -123,7 +119,6 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str * for the first time, we must flush that context out of the * local TLB. */ - cpu = smp_processor_id(); if (!ctx_valid || !cpumask_test_cpu(cpu, mm_cpumask(mm))) { cpumask_set_cpu(cpu, mm_cpumask(mm)); __flush_tlb_mm(CTX_HWBITS(mm->context), @@ -133,26 +128,7 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str } #define deactivate_mm(tsk,mm) do { } while (0) - -/* Activate a new MM instance for the current task. */ -static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm) -{ - unsigned long flags; - int cpu; - - spin_lock_irqsave(&mm->context.lock, flags); - if (!CTX_VALID(mm->context)) - get_new_mmu_context(mm); - cpu = smp_processor_id(); - if (!cpumask_test_cpu(cpu, mm_cpumask(mm))) - cpumask_set_cpu(cpu, mm_cpumask(mm)); - - load_secondary_context(mm); - __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT); - tsb_context_switch(mm); - spin_unlock_irqrestore(&mm->context.lock, flags); -} - +#define activate_mm(active_mm, mm) switch_mm(active_mm, mm, NULL) #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC64_MMU_CONTEXT_H) */ diff --git a/arch/sparc/include/asm/pil.h b/arch/sparc/include/asm/pil.h index 266937030546..522b43db2ed3 100644 --- a/arch/sparc/include/asm/pil.h +++ b/arch/sparc/include/asm/pil.h @@ -20,7 +20,6 @@ #define PIL_SMP_CALL_FUNC 1 #define PIL_SMP_RECEIVE_SIGNAL 2 #define PIL_SMP_CAPTURE 3 -#define PIL_SMP_CTX_NEW_VERSION 4 #define PIL_DEVICE_IRQ 5 #define PIL_SMP_CALL_FUNC_SNGL 6 #define PIL_DEFERRED_PCR_WORK 7 diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h index 8174f6cdbbbb..9dca7a892978 100644 --- a/arch/sparc/include/asm/vio.h +++ b/arch/sparc/include/asm/vio.h @@ -327,6 +327,7 @@ struct vio_dev { int compat_len; u64 dev_no; + u64 id; unsigned long channel_id; diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index b542cc7c8d94..f87265afb175 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -909,7 +909,7 @@ static int register_services(struct ds_info *dp) pbuf.req.handle = cp->handle; pbuf.req.major = 1; pbuf.req.minor = 0; - strcpy(pbuf.req.svc_id, cp->service_id); + strcpy(pbuf.id_buf, cp->service_id); err = __ds_send(lp, &pbuf, msg_len); if (err > 0) diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 4d0248aa0928..99dd133a029f 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -1034,17 +1034,26 @@ static void __init init_cpu_send_mondo_info(struct trap_per_cpu *tb) { #ifdef CONFIG_SMP unsigned long page; + void *mondo, *p; - BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > (PAGE_SIZE - 64)); + BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > PAGE_SIZE); + + /* Make sure mondo block is 64byte aligned */ + p = kzalloc(127, GFP_KERNEL); + if (!p) { + prom_printf("SUN4V: Error, cannot allocate mondo block.\n"); + prom_halt(); + } + mondo = (void *)(((unsigned long)p + 63) & ~0x3f); + tb->cpu_mondo_block_pa = __pa(mondo); page = get_zeroed_page(GFP_KERNEL); if (!page) { - prom_printf("SUN4V: Error, cannot allocate cpu mondo page.\n"); + prom_printf("SUN4V: Error, cannot allocate cpu list page.\n"); prom_halt(); } - tb->cpu_mondo_block_pa = __pa(page); - tb->cpu_list_pa = __pa(page + 64); + tb->cpu_list_pa = __pa(page); #endif } diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h index c9804551262c..6ae1e77be0bf 100644 --- a/arch/sparc/kernel/kernel.h +++ b/arch/sparc/kernel/kernel.h @@ -37,7 +37,6 @@ void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr /* smp_64.c */ void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs); void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs); -void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs); void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs); void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs); diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index b3bc0ac757cc..fdf31040a7dc 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -964,37 +964,6 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) preempt_enable(); } -void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) -{ - struct mm_struct *mm; - unsigned long flags; - - clear_softint(1 << irq); - - /* See if we need to allocate a new TLB context because - * the version of the one we are using is now out of date. - */ - mm = current->active_mm; - if (unlikely(!mm || (mm == &init_mm))) - return; - - spin_lock_irqsave(&mm->context.lock, flags); - - if (unlikely(!CTX_VALID(mm->context))) - get_new_mmu_context(mm); - - spin_unlock_irqrestore(&mm->context.lock, flags); - - load_secondary_context(mm); - __flush_tlb_mm(CTX_HWBITS(mm->context), - SECONDARY_CONTEXT); -} - -void smp_new_mmu_context_version(void) -{ - smp_cross_call(&xcall_new_mmu_context_version, 0, 0, 0); -} - #ifdef CONFIG_KGDB void kgdb_roundup_cpus(unsigned long flags) { diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S index 10689cfd0ad4..07c0df924960 100644 --- a/arch/sparc/kernel/tsb.S +++ b/arch/sparc/kernel/tsb.S @@ -455,13 +455,16 @@ __tsb_context_switch: .type copy_tsb,#function copy_tsb: /* %o0=old_tsb_base, %o1=old_tsb_size * %o2=new_tsb_base, %o3=new_tsb_size + * %o4=page_size_shift */ sethi %uhi(TSB_PASS_BITS), %g7 srlx %o3, 4, %o3 - add %o0, %o1, %g1 /* end of old tsb */ + add %o0, %o1, %o1 /* end of old tsb */ sllx %g7, 32, %g7 sub %o3, 1, %o3 /* %o3 == new tsb hash mask */ + mov %o4, %g1 /* page_size_shift */ + 661: prefetcha [%o0] ASI_N, #one_read .section .tsb_phys_patch, "ax" .word 661b @@ -486,9 +489,9 @@ copy_tsb: /* %o0=old_tsb_base, %o1=old_tsb_size /* This can definitely be computed faster... */ srlx %o0, 4, %o5 /* Build index */ and %o5, 511, %o5 /* Mask index */ - sllx %o5, PAGE_SHIFT, %o5 /* Put into vaddr position */ + sllx %o5, %g1, %o5 /* Put into vaddr position */ or %o4, %o5, %o4 /* Full VADDR. */ - srlx %o4, PAGE_SHIFT, %o4 /* Shift down to create index */ + srlx %o4, %g1, %o4 /* Shift down to create index */ and %o4, %o3, %o4 /* Mask with new_tsb_nents-1 */ sllx %o4, 4, %o4 /* Shift back up into tsb ent offset */ TSB_STORE(%o2 + %o4, %g2) /* Store TAG */ @@ -496,7 +499,7 @@ copy_tsb: /* %o0=old_tsb_base, %o1=old_tsb_size TSB_STORE(%o2 + %o4, %g3) /* Store TTE */ 80: add %o0, 16, %o0 - cmp %o0, %g1 + cmp %o0, %o1 bne,pt %xcc, 90b nop diff --git a/arch/sparc/kernel/ttable_64.S b/arch/sparc/kernel/ttable_64.S index 7bd8f6556352..efe93ab4a9c0 100644 --- a/arch/sparc/kernel/ttable_64.S +++ b/arch/sparc/kernel/ttable_64.S @@ -50,7 +50,7 @@ tl0_resv03e: BTRAP(0x3e) BTRAP(0x3f) BTRAP(0x40) tl0_irq1: TRAP_IRQ(smp_call_function_client, 1) tl0_irq2: TRAP_IRQ(smp_receive_signal_client, 2) tl0_irq3: TRAP_IRQ(smp_penguin_jailcell, 3) -tl0_irq4: TRAP_IRQ(smp_new_mmu_context_version_client, 4) +tl0_irq4: BTRAP(0x44) #else tl0_irq1: BTRAP(0x41) tl0_irq2: BTRAP(0x42) diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index f6bb857254fc..075d38980dee 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -302,13 +302,16 @@ static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, if (!id) { dev_set_name(&vdev->dev, "%s", bus_id_name); vdev->dev_no = ~(u64)0; + vdev->id = ~(u64)0; } else if (!cfg_handle) { dev_set_name(&vdev->dev, "%s-%llu", bus_id_name, *id); vdev->dev_no = *id; + vdev->id = ~(u64)0; } else { dev_set_name(&vdev->dev, "%s-%llu-%llu", bus_id_name, *cfg_handle, *id); vdev->dev_no = *cfg_handle; + vdev->id = *id; } vdev->dev.parent = parent; @@ -351,27 +354,84 @@ static void vio_add(struct mdesc_handle *hp, u64 node) (void) vio_create_one(hp, node, &root_vdev->dev); } +struct vio_md_node_query { + const char *type; + u64 dev_no; + u64 id; +}; + static int vio_md_node_match(struct device *dev, void *arg) { + struct vio_md_node_query *query = (struct vio_md_node_query *) arg; struct vio_dev *vdev = to_vio_dev(dev); - if (vdev->mp == (u64) arg) - return 1; + if (vdev->dev_no != query->dev_no) + return 0; + if (vdev->id != query->id) + return 0; + if (strcmp(vdev->type, query->type)) + return 0; - return 0; + return 1; } static void vio_remove(struct mdesc_handle *hp, u64 node) { + const char *type; + const u64 *id, *cfg_handle; + u64 a; + struct vio_md_node_query query; struct device *dev; - dev = device_find_child(&root_vdev->dev, (void *) node, + type = mdesc_get_property(hp, node, "device-type", NULL); + if (!type) { + type = mdesc_get_property(hp, node, "name", NULL); + if (!type) + type = mdesc_node_name(hp, node); + } + + query.type = type; + + id = mdesc_get_property(hp, node, "id", NULL); + cfg_handle = NULL; + mdesc_for_each_arc(a, hp, node, MDESC_ARC_TYPE_BACK) { + u64 target; + + target = mdesc_arc_target(hp, a); + cfg_handle = mdesc_get_property(hp, target, + "cfg-handle", NULL); + if (cfg_handle) + break; + } + + if (!id) { + query.dev_no = ~(u64)0; + query.id = ~(u64)0; + } else if (!cfg_handle) { + query.dev_no = *id; + query.id = ~(u64)0; + } else { + query.dev_no = *cfg_handle; + query.id = *id; + } + + dev = device_find_child(&root_vdev->dev, &query, vio_md_node_match); if (dev) { printk(KERN_INFO "VIO: Removing device %s\n", dev_name(dev)); device_unregister(dev); put_device(dev); + } else { + if (!id) + printk(KERN_ERR "VIO: Removed unknown %s node.\n", + type); + else if (!cfg_handle) + printk(KERN_ERR "VIO: Removed unknown %s node %llu.\n", + type, *id); + else + printk(KERN_ERR "VIO: Removed unknown %s node %llu-%llu.\n", + type, *cfg_handle, *id); } } diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 69912d2f8b54..07c03e72d812 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -15,6 +15,7 @@ lib-$(CONFIG_SPARC32) += copy_user.o locks.o lib-$(CONFIG_SPARC64) += atomic_64.o lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o +lib-$(CONFIG_SPARC64) += multi3.o lib-$(CONFIG_SPARC64) += copy_page.o clear_page.o bzero.o lib-$(CONFIG_SPARC64) += csum_copy.o csum_copy_from_user.o csum_copy_to_user.o diff --git a/arch/sparc/lib/multi3.S b/arch/sparc/lib/multi3.S new file mode 100644 index 000000000000..d6b6c97fe3c7 --- /dev/null +++ b/arch/sparc/lib/multi3.S @@ -0,0 +1,35 @@ +#include <linux/linkage.h> +#include <asm/export.h> + + .text + .align 4 +ENTRY(__multi3) /* %o0 = u, %o1 = v */ + mov %o1, %g1 + srl %o3, 0, %g4 + mulx %g4, %g1, %o1 + srlx %g1, 0x20, %g3 + mulx %g3, %g4, %g5 + sllx %g5, 0x20, %o5 + srl %g1, 0, %g4 + sub %o1, %o5, %o5 + srlx %o5, 0x20, %o5 + addcc %g5, %o5, %g5 + srlx %o3, 0x20, %o5 + mulx %g4, %o5, %g4 + mulx %g3, %o5, %o5 + sethi %hi(0x80000000), %g3 + addcc %g5, %g4, %g5 + srlx %g5, 0x20, %g5 + add %g3, %g3, %g3 + movcc %xcc, %g0, %g3 + addcc %o5, %g5, %o5 + sllx %g4, 0x20, %g4 + add %o1, %g4, %o1 + add %o5, %g3, %g2 + mulx %g1, %o2, %g1 + add %g1, %g2, %g1 + mulx %o0, %o3, %o0 + retl + add %g1, %o0, %o0 +ENDPROC(__multi3) +EXPORT_SYMBOL(__multi3) diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 0cda653ae007..3c40ebd50f92 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -358,7 +358,8 @@ static int __init setup_hugepagesz(char *string) } if ((hv_pgsz_mask & cpu_pgsz_mask) == 0U) { - pr_warn("hugepagesz=%llu not supported by MMU.\n", + hugetlb_bad_size(); + pr_err("hugepagesz=%llu not supported by MMU.\n", hugepage_size); goto out; } @@ -706,10 +707,58 @@ EXPORT_SYMBOL(__flush_dcache_range); /* get_new_mmu_context() uses "cache + 1". */ DEFINE_SPINLOCK(ctx_alloc_lock); -unsigned long tlb_context_cache = CTX_FIRST_VERSION - 1; +unsigned long tlb_context_cache = CTX_FIRST_VERSION; #define MAX_CTX_NR (1UL << CTX_NR_BITS) #define CTX_BMAP_SLOTS BITS_TO_LONGS(MAX_CTX_NR) DECLARE_BITMAP(mmu_context_bmap, MAX_CTX_NR); +DEFINE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm) = {0}; + +static void mmu_context_wrap(void) +{ + unsigned long old_ver = tlb_context_cache & CTX_VERSION_MASK; + unsigned long new_ver, new_ctx, old_ctx; + struct mm_struct *mm; + int cpu; + + bitmap_zero(mmu_context_bmap, 1 << CTX_NR_BITS); + + /* Reserve kernel context */ + set_bit(0, mmu_context_bmap); + + new_ver = (tlb_context_cache & CTX_VERSION_MASK) + CTX_FIRST_VERSION; + if (unlikely(new_ver == 0)) + new_ver = CTX_FIRST_VERSION; + tlb_context_cache = new_ver; + + /* + * Make sure that any new mm that are added into per_cpu_secondary_mm, + * are going to go through get_new_mmu_context() path. + */ + mb(); + + /* + * Updated versions to current on those CPUs that had valid secondary + * contexts + */ + for_each_online_cpu(cpu) { + /* + * If a new mm is stored after we took this mm from the array, + * it will go into get_new_mmu_context() path, because we + * already bumped the version in tlb_context_cache. + */ + mm = per_cpu(per_cpu_secondary_mm, cpu); + + if (unlikely(!mm || mm == &init_mm)) + continue; + + old_ctx = mm->context.sparc64_ctx_val; + if (likely((old_ctx & CTX_VERSION_MASK) == old_ver)) { + new_ctx = (old_ctx & ~CTX_VERSION_MASK) | new_ver; + set_bit(new_ctx & CTX_NR_MASK, mmu_context_bmap); + mm->context.sparc64_ctx_val = new_ctx; + } + } +} /* Caller does TLB context flushing on local CPU if necessary. * The caller also ensures that CTX_VALID(mm->context) is false. @@ -725,48 +774,30 @@ void get_new_mmu_context(struct mm_struct *mm) { unsigned long ctx, new_ctx; unsigned long orig_pgsz_bits; - int new_version; spin_lock(&ctx_alloc_lock); +retry: + /* wrap might have happened, test again if our context became valid */ + if (unlikely(CTX_VALID(mm->context))) + goto out; orig_pgsz_bits = (mm->context.sparc64_ctx_val & CTX_PGSZ_MASK); ctx = (tlb_context_cache + 1) & CTX_NR_MASK; new_ctx = find_next_zero_bit(mmu_context_bmap, 1 << CTX_NR_BITS, ctx); - new_version = 0; if (new_ctx >= (1 << CTX_NR_BITS)) { new_ctx = find_next_zero_bit(mmu_context_bmap, ctx, 1); if (new_ctx >= ctx) { - int i; - new_ctx = (tlb_context_cache & CTX_VERSION_MASK) + - CTX_FIRST_VERSION; - if (new_ctx == 1) - new_ctx = CTX_FIRST_VERSION; - - /* Don't call memset, for 16 entries that's just - * plain silly... - */ - mmu_context_bmap[0] = 3; - mmu_context_bmap[1] = 0; - mmu_context_bmap[2] = 0; - mmu_context_bmap[3] = 0; - for (i = 4; i < CTX_BMAP_SLOTS; i += 4) { - mmu_context_bmap[i + 0] = 0; - mmu_context_bmap[i + 1] = 0; - mmu_context_bmap[i + 2] = 0; - mmu_context_bmap[i + 3] = 0; - } - new_version = 1; - goto out; + mmu_context_wrap(); + goto retry; } } + if (mm->context.sparc64_ctx_val) + cpumask_clear(mm_cpumask(mm)); mmu_context_bmap[new_ctx>>6] |= (1UL << (new_ctx & 63)); new_ctx |= (tlb_context_cache & CTX_VERSION_MASK); -out: tlb_context_cache = new_ctx; mm->context.sparc64_ctx_val = new_ctx | orig_pgsz_bits; +out: spin_unlock(&ctx_alloc_lock); - - if (unlikely(new_version)) - smp_new_mmu_context_version(); } static int numa_enabled = 1; diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index bedf08b22a47..0d4b998c7d7b 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -496,7 +496,8 @@ retry_tsb_alloc: extern void copy_tsb(unsigned long old_tsb_base, unsigned long old_tsb_size, unsigned long new_tsb_base, - unsigned long new_tsb_size); + unsigned long new_tsb_size, + unsigned long page_size_shift); unsigned long old_tsb_base = (unsigned long) old_tsb; unsigned long new_tsb_base = (unsigned long) new_tsb; @@ -504,7 +505,9 @@ retry_tsb_alloc: old_tsb_base = __pa(old_tsb_base); new_tsb_base = __pa(new_tsb_base); } - copy_tsb(old_tsb_base, old_size, new_tsb_base, new_size); + copy_tsb(old_tsb_base, old_size, new_tsb_base, new_size, + tsb_index == MM_TSB_BASE ? + PAGE_SHIFT : REAL_HPAGE_SHIFT); } mm->context.tsb_block[tsb_index].tsb = new_tsb; diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S index 5d2fd6cd3189..fcf4d27a38fb 100644 --- a/arch/sparc/mm/ultra.S +++ b/arch/sparc/mm/ultra.S @@ -971,11 +971,6 @@ xcall_capture: wr %g0, (1 << PIL_SMP_CAPTURE), %set_softint retry - .globl xcall_new_mmu_context_version -xcall_new_mmu_context_version: - wr %g0, (1 << PIL_SMP_CTX_NEW_VERSION), %set_softint - retry - #ifdef CONFIG_KGDB .globl xcall_kgdb_capture xcall_kgdb_capture: diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index cd18994a9555..4ccfacc7232a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -360,7 +360,7 @@ config SMP Management" code will be disabled if you say Y here. See also <file:Documentation/x86/i386/IO-APIC.txt>, - <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at + <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 5851411e60fb..bf240b920473 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -159,7 +159,7 @@ ifdef CONFIG_FUNCTION_GRAPH_TRACER # 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.) + $(warning Disabling CONFIG_CC_OPTIMIZE_FOR_SIZE. Your compiler does not have -mfentry so you cannot optimize for size with CONFIG_FUNCTION_GRAPH_TRACER.) endif endif diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 44163e8c3868..2c860ad4fe06 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -94,7 +94,7 @@ vmlinux-objs-$(CONFIG_EFI_MIXED) += $(obj)/efi_thunk_$(BITS).o quiet_cmd_check_data_rel = DATAREL $@ define cmd_check_data_rel for obj in $(filter %.o,$^); do \ - readelf -S $$obj | grep -qF .rel.local && { \ + ${CROSS_COMPILE}readelf -S $$obj | grep -qF .rel.local && { \ echo "error: $$obj has data relocations!" >&2; \ exit 1; \ } || true; \ diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 50bc26949e9e..48ef7bb32c42 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -252,6 +252,23 @@ ENTRY(__switch_to_asm) END(__switch_to_asm) /* + * The unwinder expects the last frame on the stack to always be at the same + * offset from the end of the page, which allows it to validate the stack. + * Calling schedule_tail() directly would break that convention because its an + * asmlinkage function so its argument has to be pushed on the stack. This + * wrapper creates a proper "end of stack" frame header before the call. + */ +ENTRY(schedule_tail_wrapper) + FRAME_BEGIN + + pushl %eax + call schedule_tail + popl %eax + + FRAME_END + ret +ENDPROC(schedule_tail_wrapper) +/* * A newly forked process directly context switches into this address. * * eax: prev task we switched from @@ -259,24 +276,15 @@ END(__switch_to_asm) * edi: kernel thread arg */ ENTRY(ret_from_fork) - FRAME_BEGIN /* help unwinder find end of stack */ - - /* - * schedule_tail() is asmlinkage so we have to put its 'prev' argument - * on the stack. - */ - pushl %eax - call schedule_tail - popl %eax + call schedule_tail_wrapper testl %ebx, %ebx jnz 1f /* kernel threads are uncommon */ 2: /* When we fork, we trace the syscall return in the child, too. */ - leal FRAME_OFFSET(%esp), %eax + movl %esp, %eax call syscall_return_slowpath - FRAME_END jmp restore_all /* kernel thread */ diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 607d72c4a485..4a4c0834f965 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -36,7 +36,6 @@ #include <asm/smap.h> #include <asm/pgtable_types.h> #include <asm/export.h> -#include <asm/frame.h> #include <linux/err.h> .code64 @@ -406,19 +405,17 @@ END(__switch_to_asm) * r12: kernel thread arg */ ENTRY(ret_from_fork) - FRAME_BEGIN /* help unwinder find end of stack */ movq %rax, %rdi - call schedule_tail /* rdi: 'prev' task parameter */ + call schedule_tail /* rdi: 'prev' task parameter */ - testq %rbx, %rbx /* from kernel_thread? */ - jnz 1f /* kernel threads are uncommon */ + testq %rbx, %rbx /* from kernel_thread? */ + jnz 1f /* kernel threads are uncommon */ 2: - leaq FRAME_OFFSET(%rsp),%rdi /* pt_regs pointer */ + movq %rsp, %rdi call syscall_return_slowpath /* returns with IRQs disabled */ TRACE_IRQS_ON /* user mode is traced as IRQS on */ SWAPGS - FRAME_END jmp restore_regs_and_iret 1: diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 4fd5195deed0..3f9a3d2a5209 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -266,6 +266,7 @@ static inline int umc_normaddr_to_sysaddr(u64 norm_addr, u16 nid, u8 umc, u64 *s #endif int mce_available(struct cpuinfo_x86 *c); +bool mce_is_memory_error(struct mce *m); DECLARE_PER_CPU(unsigned, mce_exception_count); DECLARE_PER_CPU(unsigned, mce_poll_count); diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index c5b8f760473c..32e14d137416 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -409,8 +409,13 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start, memcpy(insnbuf, replacement, a->replacementlen); insnbuf_sz = a->replacementlen; - /* 0xe8 is a relative jump; fix the offset. */ - if (*insnbuf == 0xe8 && a->replacementlen == 5) { + /* + * 0xe8 is a relative jump; fix the offset. + * + * Instruction length is checked before the opcode to avoid + * accessing uninitialized bytes for zero-length replacements. + */ + if (a->replacementlen == 5 && *insnbuf == 0xe8) { *(s32 *)(insnbuf + 1) += replacement - instr; DPRINTK("Fix CALL offset: 0x%x, CALL 0x%lx", *(s32 *)(insnbuf + 1), diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 5abd4bf73d6e..5cfbaeb6529a 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -499,16 +499,14 @@ static int mce_usable_address(struct mce *m) return 1; } -static bool memory_error(struct mce *m) +bool mce_is_memory_error(struct mce *m) { - struct cpuinfo_x86 *c = &boot_cpu_data; - - if (c->x86_vendor == X86_VENDOR_AMD) { + if (m->cpuvendor == X86_VENDOR_AMD) { /* ErrCodeExt[20:16] */ u8 xec = (m->status >> 16) & 0x1f; return (xec == 0x0 || xec == 0x8); - } else if (c->x86_vendor == X86_VENDOR_INTEL) { + } else if (m->cpuvendor == X86_VENDOR_INTEL) { /* * Intel SDM Volume 3B - 15.9.2 Compound Error Codes * @@ -529,6 +527,7 @@ static bool memory_error(struct mce *m) return false; } +EXPORT_SYMBOL_GPL(mce_is_memory_error); static bool cec_add_mce(struct mce *m) { @@ -536,7 +535,7 @@ static bool cec_add_mce(struct mce *m) return false; /* We eat only correctable DRAM errors with usable addresses. */ - if (memory_error(m) && + if (mce_is_memory_error(m) && !(m->status & MCI_STATUS_UC) && mce_usable_address(m)) if (!cec_add_elem(m->addr >> PAGE_SHIFT)) @@ -713,7 +712,7 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b) severity = mce_severity(&m, mca_cfg.tolerant, NULL, false); - if (severity == MCE_DEFERRED_SEVERITY && memory_error(&m)) + if (severity == MCE_DEFERRED_SEVERITY && mce_is_memory_error(&m)) if (m.status & MCI_STATUS_ADDRV) m.severity = severity; diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index 45db4d2ebd01..e9f4d762aa5b 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -320,7 +320,7 @@ void load_ucode_amd_ap(unsigned int cpuid_1_eax) } static enum ucode_state -load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size); +load_microcode_amd(bool save, u8 family, const u8 *data, size_t size); int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax) { @@ -338,8 +338,7 @@ int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax) if (!desc.mc) return -EINVAL; - ret = load_microcode_amd(smp_processor_id(), x86_family(cpuid_1_eax), - desc.data, desc.size); + ret = load_microcode_amd(true, x86_family(cpuid_1_eax), desc.data, desc.size); if (ret != UCODE_OK) return -EINVAL; @@ -675,7 +674,7 @@ static enum ucode_state __load_microcode_amd(u8 family, const u8 *data, } static enum ucode_state -load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size) +load_microcode_amd(bool save, u8 family, const u8 *data, size_t size) { enum ucode_state ret; @@ -689,8 +688,8 @@ load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size) #ifdef CONFIG_X86_32 /* save BSP's matching patch for early load */ - if (cpu_data(cpu).cpu_index == boot_cpu_data.cpu_index) { - struct ucode_patch *p = find_patch(cpu); + if (save) { + struct ucode_patch *p = find_patch(0); if (p) { memset(amd_ucode_patch, 0, PATCH_MAX_SIZE); memcpy(amd_ucode_patch, p->data, min_t(u32, ksize(p->data), @@ -722,11 +721,12 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device, { char fw_name[36] = "amd-ucode/microcode_amd.bin"; struct cpuinfo_x86 *c = &cpu_data(cpu); + bool bsp = c->cpu_index == boot_cpu_data.cpu_index; enum ucode_state ret = UCODE_NFOUND; const struct firmware *fw; /* reload ucode container only on the boot cpu */ - if (!refresh_fw || c->cpu_index != boot_cpu_data.cpu_index) + if (!refresh_fw || !bsp) return UCODE_OK; if (c->x86 >= 0x15) @@ -743,7 +743,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device, goto fw_release; } - ret = load_microcode_amd(cpu, c->x86, fw->data, fw->size); + ret = load_microcode_amd(bsp, c->x86, fw->data, fw->size); fw_release: release_firmware(fw); diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 0651e974dcb3..9bef1bbeba63 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -689,8 +689,12 @@ static inline void *alloc_tramp(unsigned long size) { return module_alloc(size); } -static inline void tramp_free(void *tramp) +static inline void tramp_free(void *tramp, int size) { + int npages = PAGE_ALIGN(size) >> PAGE_SHIFT; + + set_memory_nx((unsigned long)tramp, npages); + set_memory_rw((unsigned long)tramp, npages); module_memfree(tramp); } #else @@ -699,7 +703,7 @@ static inline void *alloc_tramp(unsigned long size) { return NULL; } -static inline void tramp_free(void *tramp) { } +static inline void tramp_free(void *tramp, int size) { } #endif /* Defined as markers to the end of the ftrace default trampolines */ @@ -771,7 +775,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) /* Copy ftrace_caller onto the trampoline memory */ ret = probe_kernel_read(trampoline, (void *)start_offset, size); if (WARN_ON(ret < 0)) { - tramp_free(trampoline); + tramp_free(trampoline, *tramp_size); return 0; } @@ -797,7 +801,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) /* Are we pointing to the reference? */ if (WARN_ON(memcmp(op_ptr.op, op_ref, 3) != 0)) { - tramp_free(trampoline); + tramp_free(trampoline, *tramp_size); return 0; } @@ -839,7 +843,7 @@ void arch_ftrace_update_trampoline(struct ftrace_ops *ops) unsigned long offset; unsigned long ip; unsigned int size; - int ret; + int ret, npages; if (ops->trampoline) { /* @@ -848,11 +852,14 @@ void arch_ftrace_update_trampoline(struct ftrace_ops *ops) */ if (!(ops->flags & FTRACE_OPS_FL_ALLOC_TRAMP)) return; + npages = PAGE_ALIGN(ops->trampoline_size) >> PAGE_SHIFT; + set_memory_rw(ops->trampoline, npages); } else { ops->trampoline = create_trampoline(ops, &size); if (!ops->trampoline) return; ops->trampoline_size = size; + npages = PAGE_ALIGN(size) >> PAGE_SHIFT; } offset = calc_trampoline_call_offset(ops->flags & FTRACE_OPS_FL_SAVE_REGS); @@ -863,6 +870,7 @@ void arch_ftrace_update_trampoline(struct ftrace_ops *ops) /* Do a safe modify in case the trampoline is executing */ new = ftrace_call_replace(ip, (unsigned long)func); ret = update_ftrace_func(ip, new); + set_memory_ro(ops->trampoline, npages); /* The update should never fail */ WARN_ON(ret); @@ -939,7 +947,7 @@ void arch_ftrace_trampoline_free(struct ftrace_ops *ops) if (!ops || !(ops->flags & FTRACE_OPS_FL_ALLOC_TRAMP)) return; - tramp_free((void *)ops->trampoline); + tramp_free((void *)ops->trampoline, ops->trampoline_size); ops->trampoline = 0; } diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 5b2bbfbb3712..6b877807598b 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -52,6 +52,7 @@ #include <linux/ftrace.h> #include <linux/frame.h> #include <linux/kasan.h> +#include <linux/moduleloader.h> #include <asm/text-patching.h> #include <asm/cacheflush.h> @@ -417,6 +418,14 @@ static void prepare_boost(struct kprobe *p, struct insn *insn) } } +/* Recover page to RW mode before releasing it */ +void free_insn_page(void *page) +{ + set_memory_nx((unsigned long)page & PAGE_MASK, 1); + set_memory_rw((unsigned long)page & PAGE_MASK, 1); + module_memfree(page); +} + static int arch_copy_kprobe(struct kprobe *p) { struct insn insn; diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index ff40e74c9181..ffeae818aa7a 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -78,7 +78,7 @@ void __show_regs(struct pt_regs *regs, int all) printk(KERN_DEFAULT "EIP: %pS\n", (void *)regs->ip); printk(KERN_DEFAULT "EFLAGS: %08lx CPU: %d\n", regs->flags, - smp_processor_id()); + raw_smp_processor_id()); printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", regs->ax, regs->bx, regs->cx, regs->dx); diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 0b4d3c686b1e..f81823695014 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -980,8 +980,6 @@ void __init setup_arch(char **cmdline_p) */ x86_configure_nx(); - simple_udelay_calibration(); - parse_early_param(); #ifdef CONFIG_MEMORY_HOTPLUG @@ -1041,6 +1039,8 @@ void __init setup_arch(char **cmdline_p) */ init_hypervisor_platform(); + simple_udelay_calibration(); + x86_init.resources.probe_roms(); /* after parse_early_param, so could debug it */ diff --git a/arch/x86/kernel/unwind_frame.c b/arch/x86/kernel/unwind_frame.c index 82c6d7f1fd73..b9389d72b2f7 100644 --- a/arch/x86/kernel/unwind_frame.c +++ b/arch/x86/kernel/unwind_frame.c @@ -104,6 +104,11 @@ static inline unsigned long *last_frame(struct unwind_state *state) return (unsigned long *)task_pt_regs(state->task) - 2; } +static bool is_last_frame(struct unwind_state *state) +{ + return state->bp == last_frame(state); +} + #ifdef CONFIG_X86_32 #define GCC_REALIGN_WORDS 3 #else @@ -115,16 +120,15 @@ static inline unsigned long *last_aligned_frame(struct unwind_state *state) return last_frame(state) - GCC_REALIGN_WORDS; } -static bool is_last_task_frame(struct unwind_state *state) +static bool is_last_aligned_frame(struct unwind_state *state) { unsigned long *last_bp = last_frame(state); unsigned long *aligned_bp = last_aligned_frame(state); /* - * We have to check for the last task frame at two different locations - * because gcc can occasionally decide to realign the stack pointer and - * change the offset of the stack frame in the prologue of a function - * called by head/entry code. Examples: + * GCC can occasionally decide to realign the stack pointer and change + * the offset of the stack frame in the prologue of a function called + * by head/entry code. Examples: * * <start_secondary>: * push %edi @@ -141,11 +145,38 @@ static bool is_last_task_frame(struct unwind_state *state) * push %rbp * mov %rsp,%rbp * - * Note that after aligning the stack, it pushes a duplicate copy of - * the return address before pushing the frame pointer. + * After aligning the stack, it pushes a duplicate copy of the return + * address before pushing the frame pointer. + */ + return (state->bp == aligned_bp && *(aligned_bp + 1) == *(last_bp + 1)); +} + +static bool is_last_ftrace_frame(struct unwind_state *state) +{ + unsigned long *last_bp = last_frame(state); + unsigned long *last_ftrace_bp = last_bp - 3; + + /* + * When unwinding from an ftrace handler of a function called by entry + * code, the stack layout of the last frame is: + * + * bp + * parent ret addr + * bp + * function ret addr + * parent ret addr + * pt_regs + * ----------------- */ - return (state->bp == last_bp || - (state->bp == aligned_bp && *(aligned_bp+1) == *(last_bp+1))); + return (state->bp == last_ftrace_bp && + *state->bp == *(state->bp + 2) && + *(state->bp + 1) == *(state->bp + 4)); +} + +static bool is_last_task_frame(struct unwind_state *state) +{ + return is_last_frame(state) || is_last_aligned_frame(state) || + is_last_ftrace_frame(state); } /* diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index c329d2894905..d24c8742d9b0 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1495,8 +1495,10 @@ EXPORT_SYMBOL_GPL(kvm_lapic_hv_timer_in_use); static void cancel_hv_timer(struct kvm_lapic *apic) { + preempt_disable(); kvm_x86_ops->cancel_hv_timer(apic->vcpu); apic->lapic_timer.hv_timer_in_use = false; + preempt_enable(); } static bool start_hv_timer(struct kvm_lapic *apic) @@ -1934,7 +1936,8 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) for (i = 0; i < KVM_APIC_LVT_NUM; i++) kvm_lapic_set_reg(apic, APIC_LVTT + 0x10 * i, APIC_LVT_MASKED); apic_update_lvtt(apic); - if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_LINT0_REENABLED)) + if (kvm_vcpu_is_reset_bsp(vcpu) && + kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_LINT0_REENABLED)) kvm_lapic_set_reg(apic, APIC_LVT0, SET_APIC_DELIVERY_MODE(0, APIC_MODE_EXTINT)); apic_manage_nmi_watchdog(apic, kvm_lapic_get_reg(apic, APIC_LVT0)); diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 183ddb235fb4..ba9891ac5c56 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1807,7 +1807,7 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, * AMD's VMCB does not have an explicit unusable field, so emulate it * for cross vendor migration purposes by "not present" */ - var->unusable = !var->present || (var->type == 0); + var->unusable = !var->present; switch (seg) { case VCPU_SREG_TR: @@ -1840,6 +1840,7 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, */ if (var->unusable) var->db = 0; + /* This is symmetric with svm_set_segment() */ var->dpl = to_svm(vcpu)->vmcb->save.cpl; break; } @@ -1980,18 +1981,14 @@ static void svm_set_segment(struct kvm_vcpu *vcpu, s->base = var->base; s->limit = var->limit; s->selector = var->selector; - if (var->unusable) - s->attrib = 0; - else { - s->attrib = (var->type & SVM_SELECTOR_TYPE_MASK); - s->attrib |= (var->s & 1) << SVM_SELECTOR_S_SHIFT; - s->attrib |= (var->dpl & 3) << SVM_SELECTOR_DPL_SHIFT; - s->attrib |= (var->present & 1) << SVM_SELECTOR_P_SHIFT; - s->attrib |= (var->avl & 1) << SVM_SELECTOR_AVL_SHIFT; - s->attrib |= (var->l & 1) << SVM_SELECTOR_L_SHIFT; - s->attrib |= (var->db & 1) << SVM_SELECTOR_DB_SHIFT; - s->attrib |= (var->g & 1) << SVM_SELECTOR_G_SHIFT; - } + s->attrib = (var->type & SVM_SELECTOR_TYPE_MASK); + s->attrib |= (var->s & 1) << SVM_SELECTOR_S_SHIFT; + s->attrib |= (var->dpl & 3) << SVM_SELECTOR_DPL_SHIFT; + s->attrib |= ((var->present & 1) && !var->unusable) << SVM_SELECTOR_P_SHIFT; + s->attrib |= (var->avl & 1) << SVM_SELECTOR_AVL_SHIFT; + s->attrib |= (var->l & 1) << SVM_SELECTOR_L_SHIFT; + s->attrib |= (var->db & 1) << SVM_SELECTOR_DB_SHIFT; + s->attrib |= (var->g & 1) << SVM_SELECTOR_G_SHIFT; /* * This is always accurate, except if SYSRET returned to a segment @@ -2000,7 +1997,8 @@ static void svm_set_segment(struct kvm_vcpu *vcpu, * would entail passing the CPL to userspace and back. */ if (seg == VCPU_SREG_SS) - svm->vmcb->save.cpl = (s->attrib >> SVM_SELECTOR_DPL_SHIFT) & 3; + /* This is symmetric with svm_get_segment() */ + svm->vmcb->save.cpl = (var->dpl & 3); mark_dirty(svm->vmcb, VMCB_SEG); } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 72f78396bc09..9b4b5d6dcd34 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6914,97 +6914,21 @@ static int get_vmx_mem_address(struct kvm_vcpu *vcpu, return 0; } -/* - * This function performs the various checks including - * - if it's 4KB aligned - * - No bits beyond the physical address width are set - * - Returns 0 on success or else 1 - * (Intel SDM Section 30.3) - */ -static int nested_vmx_check_vmptr(struct kvm_vcpu *vcpu, int exit_reason, - gpa_t *vmpointer) +static int nested_vmx_get_vmptr(struct kvm_vcpu *vcpu, gpa_t *vmpointer) { gva_t gva; - gpa_t vmptr; struct x86_exception e; - struct page *page; - struct vcpu_vmx *vmx = to_vmx(vcpu); - int maxphyaddr = cpuid_maxphyaddr(vcpu); if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION), vmcs_read32(VMX_INSTRUCTION_INFO), false, &gva)) return 1; - if (kvm_read_guest_virt(&vcpu->arch.emulate_ctxt, gva, &vmptr, - sizeof(vmptr), &e)) { + if (kvm_read_guest_virt(&vcpu->arch.emulate_ctxt, gva, vmpointer, + sizeof(*vmpointer), &e)) { kvm_inject_page_fault(vcpu, &e); return 1; } - switch (exit_reason) { - case EXIT_REASON_VMON: - /* - * SDM 3: 24.11.5 - * The first 4 bytes of VMXON region contain the supported - * VMCS revision identifier - * - * Note - IA32_VMX_BASIC[48] will never be 1 - * for the nested case; - * which replaces physical address width with 32 - * - */ - if (!PAGE_ALIGNED(vmptr) || (vmptr >> maxphyaddr)) { - nested_vmx_failInvalid(vcpu); - return kvm_skip_emulated_instruction(vcpu); - } - - page = nested_get_page(vcpu, vmptr); - if (page == NULL) { - nested_vmx_failInvalid(vcpu); - return kvm_skip_emulated_instruction(vcpu); - } - if (*(u32 *)kmap(page) != VMCS12_REVISION) { - kunmap(page); - nested_release_page_clean(page); - nested_vmx_failInvalid(vcpu); - return kvm_skip_emulated_instruction(vcpu); - } - kunmap(page); - nested_release_page_clean(page); - vmx->nested.vmxon_ptr = vmptr; - break; - case EXIT_REASON_VMCLEAR: - if (!PAGE_ALIGNED(vmptr) || (vmptr >> maxphyaddr)) { - nested_vmx_failValid(vcpu, - VMXERR_VMCLEAR_INVALID_ADDRESS); - return kvm_skip_emulated_instruction(vcpu); - } - - if (vmptr == vmx->nested.vmxon_ptr) { - nested_vmx_failValid(vcpu, - VMXERR_VMCLEAR_VMXON_POINTER); - return kvm_skip_emulated_instruction(vcpu); - } - break; - case EXIT_REASON_VMPTRLD: - if (!PAGE_ALIGNED(vmptr) || (vmptr >> maxphyaddr)) { - nested_vmx_failValid(vcpu, - VMXERR_VMPTRLD_INVALID_ADDRESS); - return kvm_skip_emulated_instruction(vcpu); - } - - if (vmptr == vmx->nested.vmxon_ptr) { - nested_vmx_failValid(vcpu, - VMXERR_VMPTRLD_VMXON_POINTER); - return kvm_skip_emulated_instruction(vcpu); - } - break; - default: - return 1; /* shouldn't happen */ - } - - if (vmpointer) - *vmpointer = vmptr; return 0; } @@ -7066,6 +6990,8 @@ out_msr_bitmap: static int handle_vmon(struct kvm_vcpu *vcpu) { int ret; + gpa_t vmptr; + struct page *page; struct vcpu_vmx *vmx = to_vmx(vcpu); const u64 VMXON_NEEDED_FEATURES = FEATURE_CONTROL_LOCKED | FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX; @@ -7095,9 +7021,37 @@ static int handle_vmon(struct kvm_vcpu *vcpu) return 1; } - if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMON, NULL)) + if (nested_vmx_get_vmptr(vcpu, &vmptr)) return 1; - + + /* + * SDM 3: 24.11.5 + * The first 4 bytes of VMXON region contain the supported + * VMCS revision identifier + * + * Note - IA32_VMX_BASIC[48] will never be 1 for the nested case; + * which replaces physical address width with 32 + */ + if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) { + nested_vmx_failInvalid(vcpu); + return kvm_skip_emulated_instruction(vcpu); + } + + page = nested_get_page(vcpu, vmptr); + if (page == NULL) { + nested_vmx_failInvalid(vcpu); + return kvm_skip_emulated_instruction(vcpu); + } + if (*(u32 *)kmap(page) != VMCS12_REVISION) { + kunmap(page); + nested_release_page_clean(page); + nested_vmx_failInvalid(vcpu); + return kvm_skip_emulated_instruction(vcpu); + } + kunmap(page); + nested_release_page_clean(page); + + vmx->nested.vmxon_ptr = vmptr; ret = enter_vmx_operation(vcpu); if (ret) return ret; @@ -7213,9 +7167,19 @@ static int handle_vmclear(struct kvm_vcpu *vcpu) if (!nested_vmx_check_permission(vcpu)) return 1; - if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMCLEAR, &vmptr)) + if (nested_vmx_get_vmptr(vcpu, &vmptr)) return 1; + if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) { + nested_vmx_failValid(vcpu, VMXERR_VMCLEAR_INVALID_ADDRESS); + return kvm_skip_emulated_instruction(vcpu); + } + + if (vmptr == vmx->nested.vmxon_ptr) { + nested_vmx_failValid(vcpu, VMXERR_VMCLEAR_VMXON_POINTER); + return kvm_skip_emulated_instruction(vcpu); + } + if (vmptr == vmx->nested.current_vmptr) nested_release_vmcs12(vmx); @@ -7545,9 +7509,19 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu) if (!nested_vmx_check_permission(vcpu)) return 1; - if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMPTRLD, &vmptr)) + if (nested_vmx_get_vmptr(vcpu, &vmptr)) return 1; + if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) { + nested_vmx_failValid(vcpu, VMXERR_VMPTRLD_INVALID_ADDRESS); + return kvm_skip_emulated_instruction(vcpu); + } + + if (vmptr == vmx->nested.vmxon_ptr) { + nested_vmx_failValid(vcpu, VMXERR_VMPTRLD_VMXON_POINTER); + return kvm_skip_emulated_instruction(vcpu); + } + if (vmx->nested.current_vmptr != vmptr) { struct vmcs12 *new_vmcs12; struct page *page; @@ -7913,11 +7887,13 @@ static bool nested_vmx_exit_handled_cr(struct kvm_vcpu *vcpu, { unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION); int cr = exit_qualification & 15; - int reg = (exit_qualification >> 8) & 15; - unsigned long val = kvm_register_readl(vcpu, reg); + int reg; + unsigned long val; switch ((exit_qualification >> 4) & 3) { case 0: /* mov to cr */ + reg = (exit_qualification >> 8) & 15; + val = kvm_register_readl(vcpu, reg); switch (cr) { case 0: if (vmcs12->cr0_guest_host_mask & @@ -7972,6 +7948,7 @@ static bool nested_vmx_exit_handled_cr(struct kvm_vcpu *vcpu, * lmsw can change bits 1..3 of cr0, and only set bit 0 of * cr0. Other attempted changes are ignored, with no exit. */ + val = (exit_qualification >> LMSW_SOURCE_DATA_SHIFT) & 0x0f; if (vmcs12->cr0_guest_host_mask & 0xe & (val ^ vmcs12->cr0_read_shadow)) return true; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 02363e37d4a6..a2cd0997343c 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8394,10 +8394,13 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu) if (vcpu->arch.pv.pv_unhalted) return true; - if (atomic_read(&vcpu->arch.nmi_queued)) + if (kvm_test_request(KVM_REQ_NMI, vcpu) || + (vcpu->arch.nmi_pending && + kvm_x86_ops->nmi_allowed(vcpu))) return true; - if (kvm_test_request(KVM_REQ_SMI, vcpu)) + if (kvm_test_request(KVM_REQ_SMI, vcpu) || + (vcpu->arch.smi_pending && !is_smm(vcpu))) return true; if (kvm_arch_interrupt_allowed(vcpu) && diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 1dcd2be4cce4..c8520b2c62d2 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -186,7 +186,7 @@ static void cpa_flush_range(unsigned long start, int numpages, int cache) unsigned int i, level; unsigned long addr; - BUG_ON(irqs_disabled()); + BUG_ON(irqs_disabled() && !early_boot_irqs_disabled); WARN_ON(PAGE_ALIGN(start) != start); on_each_cpu(__cpa_flush_range, NULL, 1); diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 7e76a4d8304b..43b96f5f78ba 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -828,9 +828,11 @@ static void __init kexec_enter_virtual_mode(void) /* * We don't do virtual mode, since we don't do runtime services, on - * non-native EFI + * non-native EFI. With efi=old_map, we don't do runtime services in + * kexec kernel because in the initial boot something else might + * have been mapped at these virtual addresses. */ - if (!efi_is_native()) { + if (!efi_is_native() || efi_enabled(EFI_OLD_MEMMAP)) { efi_memmap_unmap(); clear_bit(EFI_RUNTIME_SERVICES, &efi.flags); return; diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index c488625c9712..eb8dff15a7f6 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -71,11 +71,13 @@ static void __init early_code_mapping_set_exec(int executable) pgd_t * __init efi_call_phys_prolog(void) { - unsigned long vaddress; - pgd_t *save_pgd; + unsigned long vaddr, addr_pgd, addr_p4d, addr_pud; + pgd_t *save_pgd, *pgd_k, *pgd_efi; + p4d_t *p4d, *p4d_k, *p4d_efi; + pud_t *pud; int pgd; - int n_pgds; + int n_pgds, i, j; if (!efi_enabled(EFI_OLD_MEMMAP)) { save_pgd = (pgd_t *)read_cr3(); @@ -88,10 +90,49 @@ pgd_t * __init efi_call_phys_prolog(void) n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE); save_pgd = kmalloc_array(n_pgds, sizeof(*save_pgd), GFP_KERNEL); + /* + * Build 1:1 identity mapping for efi=old_map usage. Note that + * PAGE_OFFSET is PGDIR_SIZE aligned when KASLR is disabled, while + * it is PUD_SIZE ALIGNED with KASLR enabled. So for a given physical + * address X, the pud_index(X) != pud_index(__va(X)), we can only copy + * PUD entry of __va(X) to fill in pud entry of X to build 1:1 mapping. + * This means here we can only reuse the PMD tables of the direct mapping. + */ for (pgd = 0; pgd < n_pgds; pgd++) { - save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE); - vaddress = (unsigned long)__va(pgd * PGDIR_SIZE); - set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress)); + addr_pgd = (unsigned long)(pgd * PGDIR_SIZE); + vaddr = (unsigned long)__va(pgd * PGDIR_SIZE); + pgd_efi = pgd_offset_k(addr_pgd); + save_pgd[pgd] = *pgd_efi; + + p4d = p4d_alloc(&init_mm, pgd_efi, addr_pgd); + if (!p4d) { + pr_err("Failed to allocate p4d table!\n"); + goto out; + } + + for (i = 0; i < PTRS_PER_P4D; i++) { + addr_p4d = addr_pgd + i * P4D_SIZE; + p4d_efi = p4d + p4d_index(addr_p4d); + + pud = pud_alloc(&init_mm, p4d_efi, addr_p4d); + if (!pud) { + pr_err("Failed to allocate pud table!\n"); + goto out; + } + + for (j = 0; j < PTRS_PER_PUD; j++) { + addr_pud = addr_p4d + j * PUD_SIZE; + + if (addr_pud > (max_pfn << PAGE_SHIFT)) + break; + + vaddr = (unsigned long)__va(addr_pud); + + pgd_k = pgd_offset_k(vaddr); + p4d_k = p4d_offset(pgd_k, vaddr); + pud[j] = *pud_offset(p4d_k, vaddr); + } + } } out: __flush_tlb_all(); @@ -104,8 +145,11 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) /* * After the lock is released, the original page table is restored. */ - int pgd_idx; + int pgd_idx, i; int nr_pgds; + pgd_t *pgd; + p4d_t *p4d; + pud_t *pud; if (!efi_enabled(EFI_OLD_MEMMAP)) { write_cr3((unsigned long)save_pgd); @@ -115,9 +159,28 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) nr_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE); - for (pgd_idx = 0; pgd_idx < nr_pgds; pgd_idx++) + for (pgd_idx = 0; pgd_idx < nr_pgds; pgd_idx++) { + pgd = pgd_offset_k(pgd_idx * PGDIR_SIZE); set_pgd(pgd_offset_k(pgd_idx * PGDIR_SIZE), save_pgd[pgd_idx]); + if (!(pgd_val(*pgd) & _PAGE_PRESENT)) + continue; + + for (i = 0; i < PTRS_PER_P4D; i++) { + p4d = p4d_offset(pgd, + pgd_idx * PGDIR_SIZE + i * P4D_SIZE); + + if (!(p4d_val(*p4d) & _PAGE_PRESENT)) + continue; + + pud = (pud_t *)p4d_page_vaddr(*p4d); + pud_free(&init_mm, pud); + } + + p4d = (p4d_t *)pgd_page_vaddr(*pgd); + p4d_free(&init_mm, p4d); + } + kfree(save_pgd); __flush_tlb_all(); diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 26615991d69c..e0cf95a83f3f 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -360,6 +360,9 @@ void __init efi_free_boot_services(void) free_bootmem_late(start, size); } + if (!num_entries) + return; + new_size = efi.memmap.desc_size * num_entries; new_phys = efi_memmap_alloc(num_entries); if (!new_phys) { diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 7c2947128f58..0480892e97e5 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -74,7 +74,7 @@ static void blkg_free(struct blkcg_gq *blkg) blkcg_policy[i]->pd_free_fn(blkg->pd[i]); if (blkg->blkcg != &blkcg_root) - blk_exit_rl(&blkg->rl); + blk_exit_rl(blkg->q, &blkg->rl); blkg_rwstat_exit(&blkg->stat_ios); blkg_rwstat_exit(&blkg->stat_bytes); diff --git a/block/blk-core.c b/block/blk-core.c index c7068520794b..a7421b772d0e 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -648,13 +648,19 @@ int blk_init_rl(struct request_list *rl, struct request_queue *q, if (!rl->rq_pool) return -ENOMEM; + if (rl != &q->root_rl) + WARN_ON_ONCE(!blk_get_queue(q)); + return 0; } -void blk_exit_rl(struct request_list *rl) +void blk_exit_rl(struct request_queue *q, struct request_list *rl) { - if (rl->rq_pool) + if (rl->rq_pool) { mempool_destroy(rl->rq_pool); + if (rl != &q->root_rl) + blk_put_queue(q); + } } struct request_queue *blk_alloc_queue(gfp_t gfp_mask) diff --git a/block/blk-mq.c b/block/blk-mq.c index f2224ffd225d..1bcccedcc74f 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2641,7 +2641,8 @@ int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr) return ret; } -void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) +static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, + int nr_hw_queues) { struct request_queue *q; @@ -2665,6 +2666,13 @@ void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) list_for_each_entry(q, &set->tag_list, tag_set_list) blk_mq_unfreeze_queue(q); } + +void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) +{ + mutex_lock(&set->tag_list_lock); + __blk_mq_update_nr_hw_queues(set, nr_hw_queues); + mutex_unlock(&set->tag_list_lock); +} EXPORT_SYMBOL_GPL(blk_mq_update_nr_hw_queues); /* Enable polling stats and return whether they were already enabled. */ diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 712b018e9f54..283da7fbe034 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -809,7 +809,7 @@ static void blk_release_queue(struct kobject *kobj) blk_free_queue_stats(q->stats); - blk_exit_rl(&q->root_rl); + blk_exit_rl(q, &q->root_rl); if (q->queue_tags) __blk_queue_free_tags(q); diff --git a/block/blk.h b/block/blk.h index 2ed70228e44f..83c8e1100525 100644 --- a/block/blk.h +++ b/block/blk.h @@ -59,7 +59,7 @@ void blk_free_flush_queue(struct blk_flush_queue *q); int blk_init_rl(struct request_list *rl, struct request_queue *q, gfp_t gfp_mask); -void blk_exit_rl(struct request_list *rl); +void blk_exit_rl(struct request_queue *q, struct request_list *rl); void blk_rq_bio_prep(struct request_queue *q, struct request *rq, struct bio *bio); void blk_queue_bypass_start(struct request_queue *q); diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index da69b079725f..b7e9c7feeab2 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -38,9 +38,13 @@ static const u64 cfq_target_latency = (u64)NSEC_PER_SEC * 3/10; /* 300 ms */ static const int cfq_hist_divisor = 4; /* - * offset from end of service tree + * offset from end of queue service tree for idle class */ #define CFQ_IDLE_DELAY (NSEC_PER_SEC / 5) +/* offset from end of group service tree under time slice mode */ +#define CFQ_SLICE_MODE_GROUP_DELAY (NSEC_PER_SEC / 5) +/* offset from end of group service under IOPS mode */ +#define CFQ_IOPS_MODE_GROUP_DELAY (HZ / 5) /* * below this threshold, we consider thinktime immediate @@ -1362,6 +1366,14 @@ cfq_group_service_tree_add(struct cfq_rb_root *st, struct cfq_group *cfqg) cfqg->vfraction = max_t(unsigned, vfr, 1); } +static inline u64 cfq_get_cfqg_vdisktime_delay(struct cfq_data *cfqd) +{ + if (!iops_mode(cfqd)) + return CFQ_SLICE_MODE_GROUP_DELAY; + else + return CFQ_IOPS_MODE_GROUP_DELAY; +} + static void cfq_group_notify_queue_add(struct cfq_data *cfqd, struct cfq_group *cfqg) { @@ -1381,7 +1393,8 @@ cfq_group_notify_queue_add(struct cfq_data *cfqd, struct cfq_group *cfqg) n = rb_last(&st->rb); if (n) { __cfqg = rb_entry_cfqg(n); - cfqg->vdisktime = __cfqg->vdisktime + CFQ_IDLE_DELAY; + cfqg->vdisktime = __cfqg->vdisktime + + cfq_get_cfqg_vdisktime_delay(cfqd); } else cfqg->vdisktime = st->min_vdisktime; cfq_group_service_tree_add(st, cfqg); diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 5a968a78652b..7abe66505739 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -418,11 +418,7 @@ acpi_tb_get_table(struct acpi_table_desc *table_desc, table_desc->validation_count++; if (table_desc->validation_count == 0) { - ACPI_ERROR((AE_INFO, - "Table %p, Validation count is zero after increment\n", - table_desc)); table_desc->validation_count--; - return_ACPI_STATUS(AE_LIMIT); } *out_table = table_desc->pointer; diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 25aba9b107dd..9ad8cdb58743 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -113,7 +113,7 @@ struct acpi_button { static BLOCKING_NOTIFIER_HEAD(acpi_lid_notifier); static struct acpi_device *lid_device; -static u8 lid_init_state = ACPI_BUTTON_LID_INIT_OPEN; +static u8 lid_init_state = ACPI_BUTTON_LID_INIT_METHOD; static unsigned long lid_report_interval __read_mostly = 500; module_param(lid_report_interval, ulong, 0644); diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c index 3ba1c3472cf9..fd86bec98dea 100644 --- a/drivers/acpi/nfit/mce.c +++ b/drivers/acpi/nfit/mce.c @@ -26,7 +26,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val, struct nfit_spa *nfit_spa; /* We only care about memory errors */ - if (!(mce->status & MCACOD)) + if (!mce_is_memory_error(mce)) return NOTIFY_DONE; /* diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 1b5ee1e0e5a3..e414fabf7315 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -333,14 +333,17 @@ static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj, container_of(bin_attr, struct acpi_table_attr, attr); struct acpi_table_header *table_header = NULL; acpi_status status; + ssize_t rc; status = acpi_get_table(table_attr->name, table_attr->instance, &table_header); if (ACPI_FAILURE(status)) return -ENODEV; - return memory_read_from_buffer(buf, count, &offset, - table_header, table_header->length); + rc = memory_read_from_buffer(buf, count, &offset, table_header, + table_header->length); + acpi_put_table(table_header); + return rc; } static int acpi_table_attr_init(struct kobject *tables_obj, diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 2fc52407306c..c69954023c2e 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1364,6 +1364,40 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host) {} #endif +/* + * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected + * as DUMMY, or detected but eventually get a "link down" and never get up + * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the + * port_map may hold a value of 0x00. + * + * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports + * and can significantly reduce the occurrence of the problem. + * + * https://bugzilla.kernel.org/show_bug.cgi?id=189471 + */ +static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv, + struct pci_dev *pdev) +{ + static const struct dmi_system_id sysids[] = { + { + .ident = "Acer Switch Alpha 12", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271") + }, + }, + { } + }; + + if (dmi_check_system(sysids)) { + dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n"); + if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) { + hpriv->port_map = 0x7; + hpriv->cap = 0xC734FF02; + } + } +} + #ifdef CONFIG_ARM64 /* * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently. @@ -1636,6 +1670,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) "online status unreliable, applying workaround\n"); } + + /* Acer SA5-271 workaround modifies private_data */ + acer_sa5_271_workaround(hpriv, pdev); + /* CAP.NP sometimes indicate the index of the last enabled * port, at other times, that of the last possible port, so * determining the maximum port number requires looking at diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index aaa761b9081c..cd2eab6aa92e 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -514,8 +514,9 @@ int ahci_platform_init_host(struct platform_device *pdev, irq = platform_get_irq(pdev, 0); if (irq <= 0) { - dev_err(dev, "no irq\n"); - return -EINVAL; + if (irq != -EPROBE_DEFER) + dev_err(dev, "no irq\n"); + return irq; } hpriv->irq = irq; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 2d83b8c75965..e157a0e44419 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6800,7 +6800,7 @@ static int __init ata_parse_force_one(char **cur, } force_ent->port = simple_strtoul(id, &endp, 10); - if (p == endp || *endp != '\0') { + if (id == endp || *endp != '\0') { *reason = "invalid port/link"; return -EINVAL; } diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index b66bcda88320..3b2246dded74 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4067,7 +4067,6 @@ static int mv_platform_probe(struct platform_device *pdev) struct ata_host *host; struct mv_host_priv *hpriv; struct resource *res; - void __iomem *mmio; int n_ports = 0, irq = 0; int rc; int port; @@ -4086,9 +4085,8 @@ static int mv_platform_probe(struct platform_device *pdev) * Get the register base first */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mmio = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mmio)) - return PTR_ERR(mmio); + if (res == NULL) + return -EINVAL; /* allocate host */ if (pdev->dev.of_node) { @@ -4132,7 +4130,12 @@ static int mv_platform_probe(struct platform_device *pdev) hpriv->board_idx = chip_soc; host->iomap = NULL; - hpriv->base = mmio - SATAHC0_REG_BASE; + hpriv->base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (!hpriv->base) + return -ENOMEM; + + hpriv->base -= SATAHC0_REG_BASE; hpriv->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(hpriv->clk)) diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 5d38245a7a73..b7939a2c1fab 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -890,7 +890,10 @@ static int sata_rcar_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to get access to sata clock\n"); return PTR_ERR(priv->clk); } - clk_prepare_enable(priv->clk); + + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; host = ata_host_alloc(&pdev->dev, 1); if (!host) { @@ -970,8 +973,11 @@ static int sata_rcar_resume(struct device *dev) struct ata_host *host = dev_get_drvdata(dev); struct sata_rcar_priv *priv = host->private_data; void __iomem *base = priv->base; + int ret; - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; /* ack and mask */ iowrite32(0, base + SATAINTSTAT_REG); @@ -988,8 +994,11 @@ static int sata_rcar_restore(struct device *dev) { struct ata_host *host = dev_get_drvdata(dev); struct sata_rcar_priv *priv = host->private_data; + int ret; - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; sata_rcar_setup_port(host); diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 9a7bb2c29447..f3f191ba8ca4 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -937,14 +937,6 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg) return -ENOSPC; } -/* Reset all properties of an NBD device */ -static void nbd_reset(struct nbd_device *nbd) -{ - nbd->config = NULL; - nbd->tag_set.timeout = 0; - queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue); -} - static void nbd_bdev_reset(struct block_device *bdev) { if (bdev->bd_openers > 1) @@ -1029,7 +1021,11 @@ static void nbd_config_put(struct nbd_device *nbd) } kfree(config->socks); } - nbd_reset(nbd); + kfree(nbd->config); + nbd->config = NULL; + + nbd->tag_set.timeout = 0; + queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue); mutex_unlock(&nbd->config_lock); nbd_put(nbd); @@ -1483,7 +1479,6 @@ static int nbd_dev_add(int index) disk->fops = &nbd_fops; disk->private_data = nbd; sprintf(disk->disk_name, "nbd%d", index); - nbd_reset(nbd); add_disk(disk); nbd_total_devices++; return index; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 454bf9c34882..c16f74547804 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4023,6 +4023,7 @@ static void rbd_queue_workfn(struct work_struct *work) switch (req_op(rq)) { case REQ_OP_DISCARD: + case REQ_OP_WRITE_ZEROES: op_type = OBJ_OP_DISCARD; break; case REQ_OP_WRITE: @@ -4420,6 +4421,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) q->limits.discard_granularity = segment_size; q->limits.discard_alignment = segment_size; blk_queue_max_discard_sectors(q, segment_size / SECTOR_SIZE); + blk_queue_max_write_zeroes_sectors(q, segment_size / SECTOR_SIZE); if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC)) q->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index d4dbd8d8e524..382c864814d9 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -374,7 +374,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, rc = write_sync_reg(SCR_HOST_TO_READER_START, dev); if (rc <= 0) { - DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); + DEBUGP(5, dev, "write_sync_reg c=%.2zx\n", rc); DEBUGP(2, dev, "<- cm4040_write (failed)\n"); if (rc == -ERESTARTSYS) return rc; @@ -387,7 +387,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, for (i = 0; i < bytes_to_write; i++) { rc = wait_for_bulk_out_ready(dev); if (rc <= 0) { - DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2Zx\n", + DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2zx\n", rc); DEBUGP(2, dev, "<- cm4040_write (failed)\n"); if (rc == -ERESTARTSYS) @@ -403,7 +403,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, rc = write_sync_reg(SCR_HOST_TO_READER_DONE, dev); if (rc <= 0) { - DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); + DEBUGP(5, dev, "write_sync_reg c=%.2zx\n", rc); DEBUGP(2, dev, "<- cm4040_write (failed)\n"); if (rc == -ERESTARTSYS) return rc; diff --git a/drivers/char/random.c b/drivers/char/random.c index 0ab024918907..a561f0c2f428 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1097,12 +1097,16 @@ static void add_interrupt_bench(cycles_t start) static __u32 get_reg(struct fast_pool *f, struct pt_regs *regs) { __u32 *ptr = (__u32 *) regs; + unsigned long flags; if (regs == NULL) return 0; + local_irq_save(flags); if (f->reg_idx >= sizeof(struct pt_regs) / sizeof(__u32)) f->reg_idx = 0; - return *(ptr + f->reg_idx++); + ptr += f->reg_idx++; + local_irq_restore(flags); + return *ptr; } void add_interrupt_randomness(int irq, int irq_flags) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 0e3f6496524d..26b643d57847 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2468,6 +2468,7 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) if (!(cpufreq_driver->flags & CPUFREQ_STICKY) && list_empty(&cpufreq_policy_list)) { /* if all ->init() calls failed, unregister */ + ret = -ENODEV; pr_debug("%s: No CPU initialized for driver %s\n", __func__, driver_data->name); goto err_if_unreg; diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c index 1b9bcd76c60e..c2dd43f3f5d8 100644 --- a/drivers/cpufreq/kirkwood-cpufreq.c +++ b/drivers/cpufreq/kirkwood-cpufreq.c @@ -127,7 +127,12 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) return PTR_ERR(priv.cpu_clk); } - clk_prepare_enable(priv.cpu_clk); + err = clk_prepare_enable(priv.cpu_clk); + if (err) { + dev_err(priv.dev, "Unable to prepare cpuclk\n"); + return err; + } + kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000; priv.ddr_clk = of_clk_get_by_name(np, "ddrclk"); @@ -137,7 +142,11 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) goto out_cpu; } - clk_prepare_enable(priv.ddr_clk); + err = clk_prepare_enable(priv.ddr_clk); + if (err) { + dev_err(priv.dev, "Unable to prepare ddrclk\n"); + goto out_cpu; + } kirkwood_freq_table[1].frequency = clk_get_rate(priv.ddr_clk) / 1000; priv.powersave_clk = of_clk_get_by_name(np, "powersave"); @@ -146,7 +155,11 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) err = PTR_ERR(priv.powersave_clk); goto out_ddr; } - clk_prepare_enable(priv.powersave_clk); + err = clk_prepare_enable(priv.powersave_clk); + if (err) { + dev_err(priv.dev, "Unable to prepare powersave clk\n"); + goto out_ddr; + } of_node_put(np); np = NULL; diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c index d37e8dda8079..ec240592f5c8 100644 --- a/drivers/dma/ep93xx_dma.c +++ b/drivers/dma/ep93xx_dma.c @@ -201,6 +201,7 @@ struct ep93xx_dma_engine { struct dma_device dma_dev; bool m2m; int (*hw_setup)(struct ep93xx_dma_chan *); + void (*hw_synchronize)(struct ep93xx_dma_chan *); void (*hw_shutdown)(struct ep93xx_dma_chan *); void (*hw_submit)(struct ep93xx_dma_chan *); int (*hw_interrupt)(struct ep93xx_dma_chan *); @@ -323,6 +324,8 @@ static int m2p_hw_setup(struct ep93xx_dma_chan *edmac) | M2P_CONTROL_ENABLE; m2p_set_control(edmac, control); + edmac->buffer = 0; + return 0; } @@ -331,21 +334,27 @@ static inline u32 m2p_channel_state(struct ep93xx_dma_chan *edmac) return (readl(edmac->regs + M2P_STATUS) >> 4) & 0x3; } -static void m2p_hw_shutdown(struct ep93xx_dma_chan *edmac) +static void m2p_hw_synchronize(struct ep93xx_dma_chan *edmac) { + unsigned long flags; u32 control; + spin_lock_irqsave(&edmac->lock, flags); control = readl(edmac->regs + M2P_CONTROL); control &= ~(M2P_CONTROL_STALLINT | M2P_CONTROL_NFBINT); m2p_set_control(edmac, control); + spin_unlock_irqrestore(&edmac->lock, flags); while (m2p_channel_state(edmac) >= M2P_STATE_ON) - cpu_relax(); + schedule(); +} +static void m2p_hw_shutdown(struct ep93xx_dma_chan *edmac) +{ m2p_set_control(edmac, 0); - while (m2p_channel_state(edmac) == M2P_STATE_STALL) - cpu_relax(); + while (m2p_channel_state(edmac) != M2P_STATE_IDLE) + dev_warn(chan2dev(edmac), "M2P: Not yet IDLE\n"); } static void m2p_fill_desc(struct ep93xx_dma_chan *edmac) @@ -1161,6 +1170,26 @@ fail: } /** + * ep93xx_dma_synchronize - Synchronizes the termination of transfers to the + * current context. + * @chan: channel + * + * Synchronizes the DMA channel termination to the current context. When this + * function returns it is guaranteed that all transfers for previously issued + * descriptors have stopped and and it is safe to free the memory associated + * with them. Furthermore it is guaranteed that all complete callback functions + * for a previously submitted descriptor have finished running and it is safe to + * free resources accessed from within the complete callbacks. + */ +static void ep93xx_dma_synchronize(struct dma_chan *chan) +{ + struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan); + + if (edmac->edma->hw_synchronize) + edmac->edma->hw_synchronize(edmac); +} + +/** * ep93xx_dma_terminate_all - terminate all transactions * @chan: channel * @@ -1323,6 +1352,7 @@ static int __init ep93xx_dma_probe(struct platform_device *pdev) dma_dev->device_prep_slave_sg = ep93xx_dma_prep_slave_sg; dma_dev->device_prep_dma_cyclic = ep93xx_dma_prep_dma_cyclic; dma_dev->device_config = ep93xx_dma_slave_config; + dma_dev->device_synchronize = ep93xx_dma_synchronize; dma_dev->device_terminate_all = ep93xx_dma_terminate_all; dma_dev->device_issue_pending = ep93xx_dma_issue_pending; dma_dev->device_tx_status = ep93xx_dma_tx_status; @@ -1340,6 +1370,7 @@ static int __init ep93xx_dma_probe(struct platform_device *pdev) } else { dma_cap_set(DMA_PRIVATE, dma_dev->cap_mask); + edma->hw_synchronize = m2p_hw_synchronize; edma->hw_setup = m2p_hw_setup; edma->hw_shutdown = m2p_hw_shutdown; edma->hw_submit = m2p_hw_submit; diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index a28a01fcba67..f3e211f8f6c5 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -161,6 +161,7 @@ struct mv_xor_v2_device { struct mv_xor_v2_sw_desc *sw_desq; int desc_size; unsigned int npendings; + unsigned int hw_queue_idx; }; /** @@ -214,18 +215,6 @@ static void mv_xor_v2_set_data_buffers(struct mv_xor_v2_device *xor_dev, } /* - * Return the next available index in the DESQ. - */ -static int mv_xor_v2_get_desq_write_ptr(struct mv_xor_v2_device *xor_dev) -{ - /* read the index for the next available descriptor in the DESQ */ - u32 reg = readl(xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_ALLOC_OFF); - - return ((reg >> MV_XOR_V2_DMA_DESQ_ALLOC_WRPTR_SHIFT) - & MV_XOR_V2_DMA_DESQ_ALLOC_WRPTR_MASK); -} - -/* * notify the engine of new descriptors, and update the available index. */ static void mv_xor_v2_add_desc_to_desq(struct mv_xor_v2_device *xor_dev, @@ -257,22 +246,6 @@ static int mv_xor_v2_set_desc_size(struct mv_xor_v2_device *xor_dev) return MV_XOR_V2_EXT_DESC_SIZE; } -/* - * Set the IMSG threshold - */ -static inline -void mv_xor_v2_set_imsg_thrd(struct mv_xor_v2_device *xor_dev, int thrd_val) -{ - u32 reg; - - reg = readl(xor_dev->dma_base + MV_XOR_V2_DMA_IMSG_THRD_OFF); - - reg &= (~MV_XOR_V2_DMA_IMSG_THRD_MASK << MV_XOR_V2_DMA_IMSG_THRD_SHIFT); - reg |= (thrd_val << MV_XOR_V2_DMA_IMSG_THRD_SHIFT); - - writel(reg, xor_dev->dma_base + MV_XOR_V2_DMA_IMSG_THRD_OFF); -} - static irqreturn_t mv_xor_v2_interrupt_handler(int irq, void *data) { struct mv_xor_v2_device *xor_dev = data; @@ -288,12 +261,6 @@ static irqreturn_t mv_xor_v2_interrupt_handler(int irq, void *data) if (!ndescs) return IRQ_NONE; - /* - * Update IMSG threshold, to disable new IMSG interrupts until - * end of the tasklet - */ - mv_xor_v2_set_imsg_thrd(xor_dev, MV_XOR_V2_DESC_NUM); - /* schedule a tasklet to handle descriptors callbacks */ tasklet_schedule(&xor_dev->irq_tasklet); @@ -306,7 +273,6 @@ static irqreturn_t mv_xor_v2_interrupt_handler(int irq, void *data) static dma_cookie_t mv_xor_v2_tx_submit(struct dma_async_tx_descriptor *tx) { - int desq_ptr; void *dest_hw_desc; dma_cookie_t cookie; struct mv_xor_v2_sw_desc *sw_desc = @@ -322,15 +288,15 @@ mv_xor_v2_tx_submit(struct dma_async_tx_descriptor *tx) spin_lock_bh(&xor_dev->lock); cookie = dma_cookie_assign(tx); - /* get the next available slot in the DESQ */ - desq_ptr = mv_xor_v2_get_desq_write_ptr(xor_dev); - /* copy the HW descriptor from the SW descriptor to the DESQ */ - dest_hw_desc = xor_dev->hw_desq_virt + desq_ptr; + dest_hw_desc = xor_dev->hw_desq_virt + xor_dev->hw_queue_idx; memcpy(dest_hw_desc, &sw_desc->hw_desc, xor_dev->desc_size); xor_dev->npendings++; + xor_dev->hw_queue_idx++; + if (xor_dev->hw_queue_idx >= MV_XOR_V2_DESC_NUM) + xor_dev->hw_queue_idx = 0; spin_unlock_bh(&xor_dev->lock); @@ -344,6 +310,7 @@ static struct mv_xor_v2_sw_desc * mv_xor_v2_prep_sw_desc(struct mv_xor_v2_device *xor_dev) { struct mv_xor_v2_sw_desc *sw_desc; + bool found = false; /* Lock the channel */ spin_lock_bh(&xor_dev->lock); @@ -355,19 +322,23 @@ mv_xor_v2_prep_sw_desc(struct mv_xor_v2_device *xor_dev) return NULL; } - /* get a free SW descriptor from the SW DESQ */ - sw_desc = list_first_entry(&xor_dev->free_sw_desc, - struct mv_xor_v2_sw_desc, free_list); + list_for_each_entry(sw_desc, &xor_dev->free_sw_desc, free_list) { + if (async_tx_test_ack(&sw_desc->async_tx)) { + found = true; + break; + } + } + + if (!found) { + spin_unlock_bh(&xor_dev->lock); + return NULL; + } + list_del(&sw_desc->free_list); /* Release the channel */ spin_unlock_bh(&xor_dev->lock); - /* set the async tx descriptor */ - dma_async_tx_descriptor_init(&sw_desc->async_tx, &xor_dev->dmachan); - sw_desc->async_tx.tx_submit = mv_xor_v2_tx_submit; - async_tx_ack(&sw_desc->async_tx); - return sw_desc; } @@ -389,6 +360,8 @@ mv_xor_v2_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, __func__, len, &src, &dest, flags); sw_desc = mv_xor_v2_prep_sw_desc(xor_dev); + if (!sw_desc) + return NULL; sw_desc->async_tx.flags = flags; @@ -443,6 +416,8 @@ mv_xor_v2_prep_dma_xor(struct dma_chan *chan, dma_addr_t dest, dma_addr_t *src, __func__, src_cnt, len, &dest, flags); sw_desc = mv_xor_v2_prep_sw_desc(xor_dev); + if (!sw_desc) + return NULL; sw_desc->async_tx.flags = flags; @@ -491,6 +466,8 @@ mv_xor_v2_prep_dma_interrupt(struct dma_chan *chan, unsigned long flags) container_of(chan, struct mv_xor_v2_device, dmachan); sw_desc = mv_xor_v2_prep_sw_desc(xor_dev); + if (!sw_desc) + return NULL; /* set the HW descriptor */ hw_descriptor = &sw_desc->hw_desc; @@ -554,7 +531,6 @@ static void mv_xor_v2_tasklet(unsigned long data) { struct mv_xor_v2_device *xor_dev = (struct mv_xor_v2_device *) data; int pending_ptr, num_of_pending, i; - struct mv_xor_v2_descriptor *next_pending_hw_desc = NULL; struct mv_xor_v2_sw_desc *next_pending_sw_desc = NULL; dev_dbg(xor_dev->dmadev.dev, "%s %d\n", __func__, __LINE__); @@ -562,17 +538,10 @@ static void mv_xor_v2_tasklet(unsigned long data) /* get the pending descriptors parameters */ num_of_pending = mv_xor_v2_get_pending_params(xor_dev, &pending_ptr); - /* next HW descriptor */ - next_pending_hw_desc = xor_dev->hw_desq_virt + pending_ptr; - /* loop over free descriptors */ for (i = 0; i < num_of_pending; i++) { - - if (pending_ptr > MV_XOR_V2_DESC_NUM) - pending_ptr = 0; - - if (next_pending_sw_desc != NULL) - next_pending_hw_desc++; + struct mv_xor_v2_descriptor *next_pending_hw_desc = + xor_dev->hw_desq_virt + pending_ptr; /* get the SW descriptor related to the HW descriptor */ next_pending_sw_desc = @@ -608,15 +577,14 @@ static void mv_xor_v2_tasklet(unsigned long data) /* increment the next descriptor */ pending_ptr++; + if (pending_ptr >= MV_XOR_V2_DESC_NUM) + pending_ptr = 0; } if (num_of_pending != 0) { /* free the descriptores */ mv_xor_v2_free_desc_from_desq(xor_dev, num_of_pending); } - - /* Update IMSG threshold, to enable new IMSG interrupts */ - mv_xor_v2_set_imsg_thrd(xor_dev, 0); } /* @@ -648,9 +616,6 @@ static int mv_xor_v2_descq_init(struct mv_xor_v2_device *xor_dev) writel((xor_dev->hw_desq & 0xFFFF00000000) >> 32, xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_BAHR_OFF); - /* enable the DMA engine */ - writel(0, xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_STOP_OFF); - /* * This is a temporary solution, until we activate the * SMMU. Set the attributes for reading & writing data buffers @@ -694,6 +659,9 @@ static int mv_xor_v2_descq_init(struct mv_xor_v2_device *xor_dev) reg |= MV_XOR_V2_GLOB_PAUSE_AXI_TIME_DIS_VAL; writel(reg, xor_dev->glob_base + MV_XOR_V2_GLOB_PAUSE); + /* enable the DMA engine */ + writel(0, xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_STOP_OFF); + return 0; } @@ -725,6 +693,10 @@ static int mv_xor_v2_probe(struct platform_device *pdev) platform_set_drvdata(pdev, xor_dev); + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(40)); + if (ret) + return ret; + xor_dev->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) return -EPROBE_DEFER; @@ -785,8 +757,15 @@ static int mv_xor_v2_probe(struct platform_device *pdev) /* add all SW descriptors to the free list */ for (i = 0; i < MV_XOR_V2_DESC_NUM; i++) { - xor_dev->sw_desq[i].idx = i; - list_add(&xor_dev->sw_desq[i].free_list, + struct mv_xor_v2_sw_desc *sw_desc = + xor_dev->sw_desq + i; + sw_desc->idx = i; + dma_async_tx_descriptor_init(&sw_desc->async_tx, + &xor_dev->dmachan); + sw_desc->async_tx.tx_submit = mv_xor_v2_tx_submit; + async_tx_ack(&sw_desc->async_tx); + + list_add(&sw_desc->free_list, &xor_dev->free_sw_desc); } diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 8b0da7fa520d..e90a7a0d760a 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -3008,7 +3008,8 @@ static int pl330_remove(struct amba_device *adev) for (i = 0; i < AMBA_NR_IRQS; i++) { irq = adev->irq[i]; - devm_free_irq(&adev->dev, irq, pl330); + if (irq) + devm_free_irq(&adev->dev, irq, pl330); } dma_async_device_unregister(&pl330->ddma); diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index db41795fe42a..bd261c9e9664 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -1287,6 +1287,9 @@ static unsigned int rcar_dmac_chan_get_residue(struct rcar_dmac_chan *chan, if (desc->hwdescs.use) { dptr = (rcar_dmac_chan_read(chan, RCAR_DMACHCRB) & RCAR_DMACHCRB_DPTR_MASK) >> RCAR_DMACHCRB_DPTR_SHIFT; + if (dptr == 0) + dptr = desc->nchunks; + dptr--; WARN_ON(dptr >= desc->nchunks); } else { running = desc->running; diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index 72c649713ace..31a145154e9f 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -117,7 +117,7 @@ struct usb_dmac { #define USB_DMASWR 0x0008 #define USB_DMASWR_SWR (1 << 0) #define USB_DMAOR 0x0060 -#define USB_DMAOR_AE (1 << 2) +#define USB_DMAOR_AE (1 << 1) #define USB_DMAOR_DME (1 << 0) #define USB_DMASAR 0x0000 diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c index 44c01390d035..dc269cb288c2 100644 --- a/drivers/firmware/dmi-id.c +++ b/drivers/firmware/dmi-id.c @@ -47,6 +47,7 @@ DEFINE_DMI_ATTR_WITH_SHOW(product_name, 0444, DMI_PRODUCT_NAME); DEFINE_DMI_ATTR_WITH_SHOW(product_version, 0444, DMI_PRODUCT_VERSION); DEFINE_DMI_ATTR_WITH_SHOW(product_serial, 0400, DMI_PRODUCT_SERIAL); DEFINE_DMI_ATTR_WITH_SHOW(product_uuid, 0400, DMI_PRODUCT_UUID); +DEFINE_DMI_ATTR_WITH_SHOW(product_family, 0400, DMI_PRODUCT_FAMILY); DEFINE_DMI_ATTR_WITH_SHOW(board_vendor, 0444, DMI_BOARD_VENDOR); DEFINE_DMI_ATTR_WITH_SHOW(board_name, 0444, DMI_BOARD_NAME); DEFINE_DMI_ATTR_WITH_SHOW(board_version, 0444, DMI_BOARD_VERSION); @@ -191,6 +192,7 @@ static void __init dmi_id_init_attr_table(void) ADD_DMI_ATTR(product_version, DMI_PRODUCT_VERSION); ADD_DMI_ATTR(product_serial, DMI_PRODUCT_SERIAL); ADD_DMI_ATTR(product_uuid, DMI_PRODUCT_UUID); + ADD_DMI_ATTR(product_family, DMI_PRODUCT_FAMILY); ADD_DMI_ATTR(board_vendor, DMI_BOARD_VENDOR); ADD_DMI_ATTR(board_name, DMI_BOARD_NAME); ADD_DMI_ATTR(board_version, DMI_BOARD_VERSION); diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 54be60ead08f..93f7acdaac7a 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -430,6 +430,7 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy) dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6); dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7); dmi_save_uuid(dm, DMI_PRODUCT_UUID, 8); + dmi_save_ident(dm, DMI_PRODUCT_FAMILY, 26); break; case 2: /* Base Board Information */ dmi_save_ident(dm, DMI_BOARD_VENDOR, 4); diff --git a/drivers/firmware/efi/efi-bgrt.c b/drivers/firmware/efi/efi-bgrt.c index 04ca8764f0c0..8bf27323f7a3 100644 --- a/drivers/firmware/efi/efi-bgrt.c +++ b/drivers/firmware/efi/efi-bgrt.c @@ -36,6 +36,9 @@ void __init efi_bgrt_init(struct acpi_table_header *table) if (acpi_disabled) return; + if (!efi_enabled(EFI_BOOT)) + return; + if (table->length < sizeof(bgrt_tab)) { pr_notice("Ignoring BGRT: invalid length %u (expected %zu)\n", table->length, sizeof(bgrt_tab)); diff --git a/drivers/firmware/efi/libstub/secureboot.c b/drivers/firmware/efi/libstub/secureboot.c index 8c34d50a4d80..959777ec8a77 100644 --- a/drivers/firmware/efi/libstub/secureboot.c +++ b/drivers/firmware/efi/libstub/secureboot.c @@ -16,10 +16,10 @@ /* BIOS variables */ static const efi_guid_t efi_variable_guid = EFI_GLOBAL_VARIABLE_GUID; -static const efi_char16_t const efi_SecureBoot_name[] = { +static const efi_char16_t efi_SecureBoot_name[] = { 'S', 'e', 'c', 'u', 'r', 'e', 'B', 'o', 'o', 't', 0 }; -static const efi_char16_t const efi_SetupMode_name[] = { +static const efi_char16_t efi_SetupMode_name[] = { 'S', 'e', 't', 'u', 'p', 'M', 'o', 'd', 'e', 0 }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index a4831fe0223b..a2c59a08b2bd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -220,9 +220,9 @@ static void amdgpu_vram_mgr_debug(struct ttm_mem_type_manager *man, } const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func = { - amdgpu_vram_mgr_init, - amdgpu_vram_mgr_fini, - amdgpu_vram_mgr_new, - amdgpu_vram_mgr_del, - amdgpu_vram_mgr_debug + .init = amdgpu_vram_mgr_init, + .takedown = amdgpu_vram_mgr_fini, + .get_node = amdgpu_vram_mgr_new, + .put_node = amdgpu_vram_mgr_del, + .debug = amdgpu_vram_mgr_debug }; diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index fb0819359909..90332f55cfba 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -77,13 +77,26 @@ static int vce_v3_0_set_clockgating_state(void *handle, static uint64_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + u32 v; + + mutex_lock(&adev->grbm_idx_mutex); + if (adev->vce.harvest_config == 0 || + adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); + else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); if (ring == &adev->vce.ring[0]) - return RREG32(mmVCE_RB_RPTR); + v = RREG32(mmVCE_RB_RPTR); else if (ring == &adev->vce.ring[1]) - return RREG32(mmVCE_RB_RPTR2); + v = RREG32(mmVCE_RB_RPTR2); else - return RREG32(mmVCE_RB_RPTR3); + v = RREG32(mmVCE_RB_RPTR3); + + WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); + mutex_unlock(&adev->grbm_idx_mutex); + + return v; } /** @@ -96,13 +109,26 @@ static uint64_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring) static uint64_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + u32 v; + + mutex_lock(&adev->grbm_idx_mutex); + if (adev->vce.harvest_config == 0 || + adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); + else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); if (ring == &adev->vce.ring[0]) - return RREG32(mmVCE_RB_WPTR); + v = RREG32(mmVCE_RB_WPTR); else if (ring == &adev->vce.ring[1]) - return RREG32(mmVCE_RB_WPTR2); + v = RREG32(mmVCE_RB_WPTR2); else - return RREG32(mmVCE_RB_WPTR3); + v = RREG32(mmVCE_RB_WPTR3); + + WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); + mutex_unlock(&adev->grbm_idx_mutex); + + return v; } /** @@ -116,12 +142,22 @@ static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + mutex_lock(&adev->grbm_idx_mutex); + if (adev->vce.harvest_config == 0 || + adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); + else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); + if (ring == &adev->vce.ring[0]) WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); else if (ring == &adev->vce.ring[1]) WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); else WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr)); + + WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); + mutex_unlock(&adev->grbm_idx_mutex); } static void vce_v3_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override) @@ -231,33 +267,38 @@ static int vce_v3_0_start(struct amdgpu_device *adev) struct amdgpu_ring *ring; int idx, r; - ring = &adev->vce.ring[0]; - WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); - WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); - WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); - - ring = &adev->vce.ring[1]; - WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); - WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); - WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); - - ring = &adev->vce.ring[2]; - WREG32(mmVCE_RB_RPTR3, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_BASE_LO3, ring->gpu_addr); - WREG32(mmVCE_RB_BASE_HI3, upper_32_bits(ring->gpu_addr)); - WREG32(mmVCE_RB_SIZE3, ring->ring_size / 4); - mutex_lock(&adev->grbm_idx_mutex); for (idx = 0; idx < 2; ++idx) { if (adev->vce.harvest_config & (1 << idx)) continue; WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(idx)); + + /* Program instance 0 reg space for two instances or instance 0 case + program instance 1 reg space for only instance 1 available case */ + if (idx != 1 || adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) { + ring = &adev->vce.ring[0]; + WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); + + ring = &adev->vce.ring[1]; + WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); + + ring = &adev->vce.ring[2]; + WREG32(mmVCE_RB_RPTR3, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_BASE_LO3, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI3, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE3, ring->ring_size / 4); + } + vce_v3_0_mc_resume(adev, idx); WREG32_FIELD(VCE_STATUS, JOB_BUSY, 1); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c index d5f53d04fa08..83e40fe51b62 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c @@ -709,17 +709,17 @@ static int tf_vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr, static struct phm_master_table_item vega10_thermal_start_thermal_controller_master_list[] = { - {NULL, tf_vega10_thermal_initialize}, - {NULL, tf_vega10_thermal_set_temperature_range}, - {NULL, tf_vega10_thermal_enable_alert}, + { .tableFunction = tf_vega10_thermal_initialize }, + { .tableFunction = tf_vega10_thermal_set_temperature_range }, + { .tableFunction = tf_vega10_thermal_enable_alert }, /* We should restrict performance levels to low before we halt the SMC. * On the other hand we are still in boot state when we do this * so it would be pointless. * If this assumption changes we have to revisit this table. */ - {NULL, tf_vega10_thermal_setup_fan_table}, - {NULL, tf_vega10_thermal_start_smc_fan_control}, - {NULL, NULL} + { .tableFunction = tf_vega10_thermal_setup_fan_table }, + { .tableFunction = tf_vega10_thermal_start_smc_fan_control }, + { } }; static struct phm_master_table_header @@ -731,10 +731,10 @@ vega10_thermal_start_thermal_controller_master = { static struct phm_master_table_item vega10_thermal_set_temperature_range_master_list[] = { - {NULL, tf_vega10_thermal_disable_alert}, - {NULL, tf_vega10_thermal_set_temperature_range}, - {NULL, tf_vega10_thermal_enable_alert}, - {NULL, NULL} + { .tableFunction = tf_vega10_thermal_disable_alert }, + { .tableFunction = tf_vega10_thermal_set_temperature_range }, + { .tableFunction = tf_vega10_thermal_enable_alert }, + { } }; struct phm_master_table_header diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 3e5f52110ea1..213fb837e1c4 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -1208,3 +1208,86 @@ int drm_dp_stop_crc(struct drm_dp_aux *aux) return 0; } EXPORT_SYMBOL(drm_dp_stop_crc); + +struct dpcd_quirk { + u8 oui[3]; + bool is_branch; + u32 quirks; +}; + +#define OUI(first, second, third) { (first), (second), (third) } + +static const struct dpcd_quirk dpcd_quirk_list[] = { + /* Analogix 7737 needs reduced M and N at HBR2 link rates */ + { OUI(0x00, 0x22, 0xb9), true, BIT(DP_DPCD_QUIRK_LIMITED_M_N) }, +}; + +#undef OUI + +/* + * Get a bit mask of DPCD quirks for the sink/branch device identified by + * ident. The quirk data is shared but it's up to the drivers to act on the + * data. + * + * For now, only the OUI (first three bytes) is used, but this may be extended + * to device identification string and hardware/firmware revisions later. + */ +static u32 +drm_dp_get_quirks(const struct drm_dp_dpcd_ident *ident, bool is_branch) +{ + const struct dpcd_quirk *quirk; + u32 quirks = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(dpcd_quirk_list); i++) { + quirk = &dpcd_quirk_list[i]; + + if (quirk->is_branch != is_branch) + continue; + + if (memcmp(quirk->oui, ident->oui, sizeof(ident->oui)) != 0) + continue; + + quirks |= quirk->quirks; + } + + return quirks; +} + +/** + * drm_dp_read_desc - read sink/branch descriptor from DPCD + * @aux: DisplayPort AUX channel + * @desc: Device decriptor to fill from DPCD + * @is_branch: true for branch devices, false for sink devices + * + * Read DPCD 0x400 (sink) or 0x500 (branch) into @desc. Also debug log the + * identification. + * + * Returns 0 on success or a negative error code on failure. + */ +int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc, + bool is_branch) +{ + struct drm_dp_dpcd_ident *ident = &desc->ident; + unsigned int offset = is_branch ? DP_BRANCH_OUI : DP_SINK_OUI; + int ret, dev_id_len; + + ret = drm_dp_dpcd_read(aux, offset, ident, sizeof(*ident)); + if (ret < 0) + return ret; + + desc->quirks = drm_dp_get_quirks(ident, is_branch); + + dev_id_len = strnlen(ident->device_id, sizeof(ident->device_id)); + + DRM_DEBUG_KMS("DP %s: OUI %*phD dev-ID %*pE HW-rev %d.%d SW-rev %d.%d quirks 0x%04x\n", + is_branch ? "branch" : "sink", + (int)sizeof(ident->oui), ident->oui, + dev_id_len, ident->device_id, + ident->hw_rev >> 4, ident->hw_rev & 0xf, + ident->sw_major_rev, ident->sw_minor_rev, + desc->quirks); + + return 0; +} +EXPORT_SYMBOL(drm_dp_read_desc); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 09d3c4c3c858..50294a7bd29d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -82,14 +82,9 @@ err_file_priv_free: return ret; } -static void exynos_drm_preclose(struct drm_device *dev, - struct drm_file *file) -{ - exynos_drm_subdrv_close(dev, file); -} - static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) { + exynos_drm_subdrv_close(dev, file); kfree(file->driver_priv); file->driver_priv = NULL; } @@ -145,7 +140,6 @@ static struct drm_driver exynos_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC | DRIVER_RENDER, .open = exynos_drm_open, - .preclose = exynos_drm_preclose, .lastclose = exynos_drm_lastclose, .postclose = exynos_drm_postclose, .gem_free_object_unlocked = exynos_drm_gem_free_object, diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index cb3176930596..39c740572034 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -160,12 +160,9 @@ struct exynos_drm_clk { * drm framework doesn't support multiple irq yet. * we can refer to the crtc to current hardware interrupt occurred through * this pipe value. - * @enabled: if the crtc is enabled or not - * @event: vblank event that is currently queued for flip - * @wait_update: wait all pending planes updates to finish - * @pending_update: number of pending plane updates in this crtc * @ops: pointer to callbacks for exynos drm specific functionality * @ctx: A pointer to the crtc's implementation specific context + * @pipe_clk: A pointer to the crtc's pipeline clock. */ struct exynos_drm_crtc { struct drm_crtc base; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index fc4fda738906..d404de86d5f9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1633,7 +1633,6 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi) { struct device *dev = dsi->dev; struct device_node *node = dev->of_node; - struct device_node *ep; int ret; ret = exynos_dsi_of_read_u32(node, "samsung,pll-clock-frequency", @@ -1641,32 +1640,21 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi) if (ret < 0) return ret; - ep = of_graph_get_endpoint_by_regs(node, DSI_PORT_OUT, 0); - if (!ep) { - dev_err(dev, "no output port with endpoint specified\n"); - return -EINVAL; - } - - ret = exynos_dsi_of_read_u32(ep, "samsung,burst-clock-frequency", + ret = exynos_dsi_of_read_u32(node, "samsung,burst-clock-frequency", &dsi->burst_clk_rate); if (ret < 0) - goto end; + return ret; - ret = exynos_dsi_of_read_u32(ep, "samsung,esc-clock-frequency", + ret = exynos_dsi_of_read_u32(node, "samsung,esc-clock-frequency", &dsi->esc_clk_rate); if (ret < 0) - goto end; - - of_node_put(ep); + return ret; dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_OUT, 0); if (!dsi->bridge_node) return -EINVAL; -end: - of_node_put(ep); - - return ret; + return 0; } static int exynos_dsi_bind(struct device *dev, struct device *master, @@ -1817,6 +1805,10 @@ static int exynos_dsi_probe(struct platform_device *pdev) static int exynos_dsi_remove(struct platform_device *pdev) { + struct exynos_dsi *dsi = platform_get_drvdata(pdev); + + of_node_put(dsi->bridge_node); + pm_runtime_disable(&pdev->dev); component_del(&pdev->dev, &exynos_dsi_component_ops); diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index dca989eb2d42..24fe04d6307b 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -779,8 +779,26 @@ static void init_vgpu_execlist(struct intel_vgpu *vgpu, int ring_id) vgpu_vreg(vgpu, ctx_status_ptr_reg) = ctx_status_ptr.dw; } +static void clean_workloads(struct intel_vgpu *vgpu, unsigned long engine_mask) +{ + struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct intel_engine_cs *engine; + struct intel_vgpu_workload *pos, *n; + unsigned int tmp; + + /* free the unsubmited workloads in the queues. */ + for_each_engine_masked(engine, dev_priv, engine_mask, tmp) { + list_for_each_entry_safe(pos, n, + &vgpu->workload_q_head[engine->id], list) { + list_del_init(&pos->list); + free_workload(pos); + } + } +} + void intel_vgpu_clean_execlist(struct intel_vgpu *vgpu) { + clean_workloads(vgpu, ALL_ENGINES); kmem_cache_destroy(vgpu->workloads); } @@ -811,17 +829,9 @@ void intel_vgpu_reset_execlist(struct intel_vgpu *vgpu, { struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; struct intel_engine_cs *engine; - struct intel_vgpu_workload *pos, *n; unsigned int tmp; - for_each_engine_masked(engine, dev_priv, engine_mask, tmp) { - /* free the unsubmited workload in the queue */ - list_for_each_entry_safe(pos, n, - &vgpu->workload_q_head[engine->id], list) { - list_del_init(&pos->list); - free_workload(pos); - } - + clean_workloads(vgpu, engine_mask); + for_each_engine_masked(engine, dev_priv, engine_mask, tmp) init_vgpu_execlist(vgpu, engine->id); - } } diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index c995e540ff96..0ffd69654592 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1366,18 +1366,28 @@ static int skl_misc_ctl_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - i915_reg_t reg = {.reg = offset}; + u32 v = *(u32 *)p_data; + + if (!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv)) + return intel_vgpu_default_mmio_write(vgpu, + offset, p_data, bytes); switch (offset) { case 0x4ddc: - vgpu_vreg(vgpu, offset) = 0x8000003c; - /* WaCompressedResourceSamplerPbeMediaNewHashMode:skl */ - I915_WRITE(reg, vgpu_vreg(vgpu, offset)); + /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ + vgpu_vreg(vgpu, offset) = v & ~(1 << 31); break; case 0x42080: - vgpu_vreg(vgpu, offset) = 0x8000; - /* WaCompressedResourceDisplayNewHashMode:skl */ - I915_WRITE(reg, vgpu_vreg(vgpu, offset)); + /* bypass WaCompressedResourceDisplayNewHashMode */ + vgpu_vreg(vgpu, offset) = v & ~(1 << 15); + break; + case 0xe194: + /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ + vgpu_vreg(vgpu, offset) = v & ~(1 << 8); + break; + case 0x7014: + /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ + vgpu_vreg(vgpu, offset) = v & ~(1 << 13); break; default: return -EINVAL; @@ -1634,7 +1644,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); + MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, + skl_misc_ctl_write); MMIO_DFH(0x9030, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x20a0, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x2420, D_ALL, F_CMD_ACCESS, NULL, NULL); @@ -2568,7 +2579,8 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt) MMIO_D(0x6e570, D_BDW_PLUS); MMIO_D(0x65f10, D_BDW_PLUS); - MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); + MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, + skl_misc_ctl_write); MMIO_DFH(0xe188, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 3036d4835b0f..c994fe6e65b2 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1272,10 +1272,6 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) dev_priv->ipc_enabled = false; - /* Everything is in place, we can now relax! */ - DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", - driver.name, driver.major, driver.minor, driver.patchlevel, - driver.date, pci_name(pdev), dev_priv->drm.primary->index); if (IS_ENABLED(CONFIG_DRM_I915_DEBUG)) DRM_INFO("DRM_I915_DEBUG enabled\n"); if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c9b0949f6c1a..963f6d4481f7 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -562,7 +562,8 @@ struct intel_link_m_n { void intel_link_compute_m_n(int bpp, int nlanes, int pixel_clock, int link_clock, - struct intel_link_m_n *m_n); + struct intel_link_m_n *m_n, + bool reduce_m_n); /* Interface history: * diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index a0563e18d753..50b8f1139ff9 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2313,7 +2313,7 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma, appgtt->base.allocate_va_range) { ret = appgtt->base.allocate_va_range(&appgtt->base, vma->node.start, - vma->node.size); + vma->size); if (ret) goto err_pages; } diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index 129ed303a6c4..57d9f7f4ef15 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -59,9 +59,6 @@ static void i915_gem_shrinker_unlock(struct drm_device *dev, bool unlock) return; mutex_unlock(&dev->struct_mutex); - - /* expedite the RCU grace period to free some request slabs */ - synchronize_rcu_expedited(); } static bool any_vma_pinned(struct drm_i915_gem_object *obj) @@ -274,8 +271,6 @@ unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv) I915_SHRINK_ACTIVE); intel_runtime_pm_put(dev_priv); - synchronize_rcu(); /* wait for our earlier RCU delayed slab frees */ - return freed; } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index fd97fe00cd0d..190f6aa5d15e 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2953,7 +2953,6 @@ static void vlv_display_irq_postinstall(struct drm_i915_private *dev_priv) u32 pipestat_mask; u32 enable_mask; enum pipe pipe; - u32 val; pipestat_mask = PLANE_FLIP_DONE_INT_STATUS_VLV | PIPE_CRC_DONE_INTERRUPT_STATUS; @@ -2964,18 +2963,16 @@ static void vlv_display_irq_postinstall(struct drm_i915_private *dev_priv) enable_mask = I915_DISPLAY_PORT_INTERRUPT | I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; + I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | + I915_LPE_PIPE_A_INTERRUPT | + I915_LPE_PIPE_B_INTERRUPT; + if (IS_CHERRYVIEW(dev_priv)) - enable_mask |= I915_DISPLAY_PIPE_C_EVENT_INTERRUPT; + enable_mask |= I915_DISPLAY_PIPE_C_EVENT_INTERRUPT | + I915_LPE_PIPE_C_INTERRUPT; WARN_ON(dev_priv->irq_mask != ~0); - val = (I915_LPE_PIPE_A_INTERRUPT | - I915_LPE_PIPE_B_INTERRUPT | - I915_LPE_PIPE_C_INTERRUPT); - - enable_mask |= val; - dev_priv->irq_mask = ~enable_mask; GEN5_IRQ_INIT(VLV_, dev_priv->irq_mask, enable_mask); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5a7c63e64381..65b837e96fe6 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8280,7 +8280,7 @@ enum { /* MIPI DSI registers */ -#define _MIPI_PORT(port, a, c) ((port) ? c : a) /* ports A and C only */ +#define _MIPI_PORT(port, a, c) (((port) == PORT_A) ? a : c) /* ports A and C only */ #define _MMIO_MIPI(port, a, c) _MMIO(_MIPI_PORT(port, a, c)) #define MIPIO_TXESC_CLK_DIV1 _MMIO(0x160004) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 3617927af269..3cabe52a4e3b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6101,7 +6101,7 @@ retry: pipe_config->fdi_lanes = lane; intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, - link_bw, &pipe_config->fdi_m_n); + link_bw, &pipe_config->fdi_m_n, false); ret = ironlake_check_fdi_lanes(dev, intel_crtc->pipe, pipe_config); if (ret == -EINVAL && pipe_config->pipe_bpp > 6*3) { @@ -6277,7 +6277,8 @@ intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) } static void compute_m_n(unsigned int m, unsigned int n, - uint32_t *ret_m, uint32_t *ret_n) + uint32_t *ret_m, uint32_t *ret_n, + bool reduce_m_n) { /* * Reduce M/N as much as possible without loss in precision. Several DP @@ -6285,9 +6286,11 @@ static void compute_m_n(unsigned int m, unsigned int n, * values. The passed in values are more likely to have the least * significant bits zero than M after rounding below, so do this first. */ - while ((m & 1) == 0 && (n & 1) == 0) { - m >>= 1; - n >>= 1; + if (reduce_m_n) { + while ((m & 1) == 0 && (n & 1) == 0) { + m >>= 1; + n >>= 1; + } } *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); @@ -6298,16 +6301,19 @@ static void compute_m_n(unsigned int m, unsigned int n, void intel_link_compute_m_n(int bits_per_pixel, int nlanes, int pixel_clock, int link_clock, - struct intel_link_m_n *m_n) + struct intel_link_m_n *m_n, + bool reduce_m_n) { m_n->tu = 64; compute_m_n(bits_per_pixel * pixel_clock, link_clock * nlanes * 8, - &m_n->gmch_m, &m_n->gmch_n); + &m_n->gmch_m, &m_n->gmch_n, + reduce_m_n); compute_m_n(pixel_clock, link_clock, - &m_n->link_m, &m_n->link_n); + &m_n->link_m, &m_n->link_n, + reduce_m_n); } static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index ee77b519835c..fc691b8b317c 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1507,37 +1507,6 @@ static void intel_dp_print_rates(struct intel_dp *intel_dp) DRM_DEBUG_KMS("common rates: %s\n", str); } -bool -__intel_dp_read_desc(struct intel_dp *intel_dp, struct intel_dp_desc *desc) -{ - u32 base = drm_dp_is_branch(intel_dp->dpcd) ? DP_BRANCH_OUI : - DP_SINK_OUI; - - return drm_dp_dpcd_read(&intel_dp->aux, base, desc, sizeof(*desc)) == - sizeof(*desc); -} - -bool intel_dp_read_desc(struct intel_dp *intel_dp) -{ - struct intel_dp_desc *desc = &intel_dp->desc; - bool oui_sup = intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] & - DP_OUI_SUPPORT; - int dev_id_len; - - if (!__intel_dp_read_desc(intel_dp, desc)) - return false; - - dev_id_len = strnlen(desc->device_id, sizeof(desc->device_id)); - DRM_DEBUG_KMS("DP %s: OUI %*phD%s dev-ID %*pE HW-rev %d.%d SW-rev %d.%d\n", - drm_dp_is_branch(intel_dp->dpcd) ? "branch" : "sink", - (int)sizeof(desc->oui), desc->oui, oui_sup ? "" : "(NS)", - dev_id_len, desc->device_id, - desc->hw_rev >> 4, desc->hw_rev & 0xf, - desc->sw_major_rev, desc->sw_minor_rev); - - return true; -} - static int rate_to_index(int find, const int *rates) { int i = 0; @@ -1624,6 +1593,8 @@ intel_dp_compute_config(struct intel_encoder *encoder, int common_rates[DP_MAX_SUPPORTED_RATES] = {}; int common_len; uint8_t link_bw, rate_select; + bool reduce_m_n = drm_dp_has_quirk(&intel_dp->desc, + DP_DPCD_QUIRK_LIMITED_M_N); common_len = intel_dp_common_rates(intel_dp, common_rates); @@ -1753,7 +1724,8 @@ found: intel_link_compute_m_n(bpp, lane_count, adjusted_mode->crtc_clock, pipe_config->port_clock, - &pipe_config->dp_m_n); + &pipe_config->dp_m_n, + reduce_m_n); if (intel_connector->panel.downclock_mode != NULL && dev_priv->drrs.type == SEAMLESS_DRRS_SUPPORT) { @@ -1761,7 +1733,8 @@ found: intel_link_compute_m_n(bpp, lane_count, intel_connector->panel.downclock_mode->clock, pipe_config->port_clock, - &pipe_config->dp_m2_n2); + &pipe_config->dp_m2_n2, + reduce_m_n); } /* @@ -3622,7 +3595,8 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) if (!intel_dp_read_dpcd(intel_dp)) return false; - intel_dp_read_desc(intel_dp); + drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc, + drm_dp_is_branch(intel_dp->dpcd)); if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) dev_priv->no_aux_handshake = intel_dp->dpcd[DP_MAX_DOWNSPREAD] & @@ -4624,7 +4598,8 @@ intel_dp_long_pulse(struct intel_connector *intel_connector) intel_dp_print_rates(intel_dp); - intel_dp_read_desc(intel_dp); + drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc, + drm_dp_is_branch(intel_dp->dpcd)); intel_dp_configure_mst(intel_dp); diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index c1f62eb07c07..989e25577ac0 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -44,6 +44,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, int lane_count, slots; const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; int mst_pbn; + bool reduce_m_n = drm_dp_has_quirk(&intel_dp->desc, + DP_DPCD_QUIRK_LIMITED_M_N); pipe_config->has_pch_encoder = false; bpp = 24; @@ -75,7 +77,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, intel_link_compute_m_n(bpp, lane_count, adjusted_mode->crtc_clock, pipe_config->port_clock, - &pipe_config->dp_m_n); + &pipe_config->dp_m_n, + reduce_m_n); pipe_config->dp_m_n.tu = slots; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index aaee3949a422..f630c7af5020 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -906,14 +906,6 @@ enum link_m_n_set { M2_N2 }; -struct intel_dp_desc { - u8 oui[3]; - u8 device_id[6]; - u8 hw_rev; - u8 sw_major_rev; - u8 sw_minor_rev; -} __packed; - struct intel_dp_compliance_data { unsigned long edid; uint8_t video_pattern; @@ -957,7 +949,7 @@ struct intel_dp { /* Max link BW for the sink as per DPCD registers */ int max_sink_link_bw; /* sink or branch descriptor */ - struct intel_dp_desc desc; + struct drm_dp_desc desc; struct drm_dp_aux aux; enum intel_display_power_domain aux_power_domain; uint8_t train_set[4]; @@ -1532,9 +1524,6 @@ static inline unsigned int intel_dp_unused_lane_mask(int lane_count) } bool intel_dp_read_dpcd(struct intel_dp *intel_dp); -bool __intel_dp_read_desc(struct intel_dp *intel_dp, - struct intel_dp_desc *desc); -bool intel_dp_read_desc(struct intel_dp *intel_dp); int intel_dp_link_required(int pixel_clock, int bpp); int intel_dp_max_data_rate(int max_link_clock, int max_lanes); bool intel_digital_port_connected(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/intel_lpe_audio.c b/drivers/gpu/drm/i915/intel_lpe_audio.c index 668f00480d97..292fedf30b00 100644 --- a/drivers/gpu/drm/i915/intel_lpe_audio.c +++ b/drivers/gpu/drm/i915/intel_lpe_audio.c @@ -149,44 +149,10 @@ static void lpe_audio_platdev_destroy(struct drm_i915_private *dev_priv) static void lpe_audio_irq_unmask(struct irq_data *d) { - struct drm_i915_private *dev_priv = d->chip_data; - unsigned long irqflags; - u32 val = (I915_LPE_PIPE_A_INTERRUPT | - I915_LPE_PIPE_B_INTERRUPT); - - if (IS_CHERRYVIEW(dev_priv)) - val |= I915_LPE_PIPE_C_INTERRUPT; - - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); - - dev_priv->irq_mask &= ~val; - I915_WRITE(VLV_IIR, val); - I915_WRITE(VLV_IIR, val); - I915_WRITE(VLV_IMR, dev_priv->irq_mask); - POSTING_READ(VLV_IMR); - - spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } static void lpe_audio_irq_mask(struct irq_data *d) { - struct drm_i915_private *dev_priv = d->chip_data; - unsigned long irqflags; - u32 val = (I915_LPE_PIPE_A_INTERRUPT | - I915_LPE_PIPE_B_INTERRUPT); - - if (IS_CHERRYVIEW(dev_priv)) - val |= I915_LPE_PIPE_C_INTERRUPT; - - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); - - dev_priv->irq_mask |= val; - I915_WRITE(VLV_IMR, dev_priv->irq_mask); - I915_WRITE(VLV_IIR, val); - I915_WRITE(VLV_IIR, val); - POSTING_READ(VLV_IIR); - - spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } static struct irq_chip lpe_audio_irqchip = { @@ -330,8 +296,6 @@ void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv) desc = irq_to_desc(dev_priv->lpe_audio.irq); - lpe_audio_irq_mask(&desc->irq_data); - lpe_audio_platdev_destroy(dev_priv); irq_free_desc(dev_priv->lpe_audio.irq); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index c8f7c631fc1f..dac4e003c1f3 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1989,7 +1989,7 @@ static int execlists_context_deferred_alloc(struct i915_gem_context *ctx, ce->ring = ring; ce->state = vma; - ce->initialised = engine->init_context == NULL; + ce->initialised |= engine->init_context == NULL; return 0; diff --git a/drivers/gpu/drm/i915/intel_lspcon.c b/drivers/gpu/drm/i915/intel_lspcon.c index 71cbe9c08932..5abef482eacf 100644 --- a/drivers/gpu/drm/i915/intel_lspcon.c +++ b/drivers/gpu/drm/i915/intel_lspcon.c @@ -240,7 +240,7 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port) return false; } - intel_dp_read_desc(dp); + drm_dp_read_desc(&dp->aux, &dp->desc, drm_dp_is_branch(dp->dpcd)); DRM_DEBUG_KMS("Success: LSPCON init\n"); return true; diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c index 1afb8b06e3e1..12b85b3278cd 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c @@ -320,7 +320,7 @@ static unsigned long max_dwords(struct drm_i915_gem_object *obj) static int igt_ctx_exec(void *arg) { struct drm_i915_private *i915 = arg; - struct drm_i915_gem_object *obj; + struct drm_i915_gem_object *obj = NULL; struct drm_file *file; IGT_TIMEOUT(end_time); LIST_HEAD(objects); @@ -359,7 +359,7 @@ static int igt_ctx_exec(void *arg) } for_each_engine(engine, i915, id) { - if (dw == 0) { + if (!obj) { obj = create_test_object(ctx, file, &objects); if (IS_ERR(obj)) { err = PTR_ERR(obj); @@ -376,8 +376,10 @@ static int igt_ctx_exec(void *arg) goto out_unlock; } - if (++dw == max_dwords(obj)) + if (++dw == max_dwords(obj)) { + obj = NULL; dw = 0; + } ndwords++; } ncontexts++; diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig index 5b8e23d051f2..0a31cd6d01ce 100644 --- a/drivers/gpu/drm/msm/Kconfig +++ b/drivers/gpu/drm/msm/Kconfig @@ -13,6 +13,7 @@ config DRM_MSM select QCOM_SCM select SND_SOC_HDMI_CODEC if SND_SOC select SYNC_FILE + select PM_OPP default y help DRM/KMS driver for MSM/snapdragon. diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c index f8f48d014978..9c34d7824988 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c @@ -116,7 +116,7 @@ static int mdss_hw_irqdomain_map(struct irq_domain *d, unsigned int irq, return 0; } -static struct irq_domain_ops mdss_hw_irqdomain_ops = { +static const struct irq_domain_ops mdss_hw_irqdomain_ops = { .map = mdss_hw_irqdomain_map, .xlate = irq_domain_xlate_onecell, }; diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index a38c5fe6cc19..7d3741215387 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -225,9 +225,10 @@ mdp5_plane_duplicate_state(struct drm_plane *plane) mdp5_state = kmemdup(to_mdp5_plane_state(plane->state), sizeof(*mdp5_state), GFP_KERNEL); + if (!mdp5_state) + return NULL; - if (mdp5_state && mdp5_state->base.fb) - drm_framebuffer_reference(mdp5_state->base.fb); + __drm_atomic_helper_plane_duplicate_state(plane, &mdp5_state->base); return &mdp5_state->base; } @@ -444,6 +445,10 @@ static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state, mdp5_pipe_release(state->state, old_hwpipe); mdp5_pipe_release(state->state, old_right_hwpipe); } + } else { + mdp5_pipe_release(state->state, mdp5_state->hwpipe); + mdp5_pipe_release(state->state, mdp5_state->r_hwpipe); + mdp5_state->hwpipe = mdp5_state->r_hwpipe = NULL; } return 0; diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 87b5695d4034..9d498eb81906 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -830,6 +830,7 @@ static struct drm_driver msm_driver = { .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, + .gem_prime_res_obj = msm_gem_prime_res_obj, .gem_prime_pin = msm_gem_prime_pin, .gem_prime_unpin = msm_gem_prime_unpin, .gem_prime_get_sg_table = msm_gem_prime_get_sg_table, diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 28b6f9ba5066..1b26ca626528 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -224,6 +224,7 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj); void *msm_gem_prime_vmap(struct drm_gem_object *obj); void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); +struct reservation_object *msm_gem_prime_res_obj(struct drm_gem_object *obj); struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); int msm_gem_prime_pin(struct drm_gem_object *obj); diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c index 3f299c537b77..a2f89bac9c16 100644 --- a/drivers/gpu/drm/msm/msm_fence.c +++ b/drivers/gpu/drm/msm/msm_fence.c @@ -99,8 +99,8 @@ void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence) } struct msm_fence { - struct msm_fence_context *fctx; struct dma_fence base; + struct msm_fence_context *fctx; }; static inline struct msm_fence *to_msm_fence(struct dma_fence *fence) @@ -130,19 +130,13 @@ static bool msm_fence_signaled(struct dma_fence *fence) return fence_completed(f->fctx, f->base.seqno); } -static void msm_fence_release(struct dma_fence *fence) -{ - struct msm_fence *f = to_msm_fence(fence); - kfree_rcu(f, base.rcu); -} - static const struct dma_fence_ops msm_fence_ops = { .get_driver_name = msm_fence_get_driver_name, .get_timeline_name = msm_fence_get_timeline_name, .enable_signaling = msm_fence_enable_signaling, .signaled = msm_fence_signaled, .wait = dma_fence_default_wait, - .release = msm_fence_release, + .release = dma_fence_free, }; struct dma_fence * diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 68e509b3b9e4..50289a23baf8 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -758,6 +758,8 @@ static int msm_gem_new_impl(struct drm_device *dev, struct msm_gem_object *msm_obj; bool use_vram = false; + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + switch (flags & MSM_BO_CACHE_MASK) { case MSM_BO_UNCACHED: case MSM_BO_CACHED: @@ -853,7 +855,11 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, size = PAGE_ALIGN(dmabuf->size); + /* Take mutex so we can modify the inactive list in msm_gem_new_impl */ + mutex_lock(&dev->struct_mutex); ret = msm_gem_new_impl(dev, size, MSM_BO_WC, dmabuf->resv, &obj); + mutex_unlock(&dev->struct_mutex); + if (ret) goto fail; diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c index 60bb290700ce..13403c6da6c7 100644 --- a/drivers/gpu/drm/msm/msm_gem_prime.c +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -70,3 +70,10 @@ void msm_gem_prime_unpin(struct drm_gem_object *obj) if (!obj->import_attach) msm_gem_put_pages(obj); } + +struct reservation_object *msm_gem_prime_res_obj(struct drm_gem_object *obj) +{ + struct msm_gem_object *msm_obj = to_msm_bo(obj); + + return msm_obj->resv; +} diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 1c545ebe6a5a..7832e6421d25 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -410,12 +410,11 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (!in_fence) return -EINVAL; - /* TODO if we get an array-fence due to userspace merging multiple - * fences, we need a way to determine if all the backing fences - * are from our own context.. + /* + * Wait if the fence is from a foreign context, or if the fence + * array contains any fence from a foreign context. */ - - if (in_fence->context != gpu->fctx->context) { + if (!dma_fence_match_context(in_fence, gpu->fctx->context)) { ret = dma_fence_wait(in_fence, true); if (ret) return ret; @@ -496,8 +495,9 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, goto out; } - if ((submit_cmd.size + submit_cmd.submit_offset) >= - msm_obj->base.size) { + if (!submit_cmd.size || + ((submit_cmd.size + submit_cmd.submit_offset) > + msm_obj->base.size)) { DRM_ERROR("invalid cmdstream size: %u\n", submit_cmd.size); ret = -EINVAL; goto out; diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 97b9c38c6b3f..0fdc88d79ca8 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -549,9 +549,9 @@ static int get_clocks(struct platform_device *pdev, struct msm_gpu *gpu) gpu->grp_clks[i] = get_clock(dev, name); /* Remember the key clocks that we need to control later */ - if (!strcmp(name, "core")) + if (!strcmp(name, "core") || !strcmp(name, "core_clk")) gpu->core_clk = gpu->grp_clks[i]; - else if (!strcmp(name, "rbbmtimer")) + else if (!strcmp(name, "rbbmtimer") || !strcmp(name, "rbbmtimer_clk")) gpu->rbbmtimer_clk = gpu->grp_clks[i]; ++i; diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index fe40e5e499dd..687705c50794 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -275,10 +275,12 @@ config HID_EMS_FF - Trio Linker Plus II config HID_ELECOM - tristate "ELECOM BM084 bluetooth mouse" + tristate "ELECOM HID devices" depends on HID ---help--- - Support for the ELECOM BM084 (bluetooth mouse). + Support for ELECOM devices: + - BM084 Bluetooth Mouse + - DEFT Trackball (Wired and wireless) config HID_ELO tristate "ELO USB 4000/4500 touchscreen" diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c index 16df6cc90235..a6268f2f7408 100644 --- a/drivers/hid/hid-asus.c +++ b/drivers/hid/hid-asus.c @@ -69,6 +69,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); #define QUIRK_IS_MULTITOUCH BIT(3) #define QUIRK_NO_CONSUMER_USAGES BIT(4) #define QUIRK_USE_KBD_BACKLIGHT BIT(5) +#define QUIRK_T100_KEYBOARD BIT(6) #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ QUIRK_NO_INIT_REPORTS | \ @@ -536,6 +537,8 @@ static void asus_remove(struct hid_device *hdev) drvdata->kbd_backlight->removed = true; cancel_work_sync(&drvdata->kbd_backlight->work); } + + hid_hw_stop(hdev); } static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, @@ -548,6 +551,12 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); rdesc[55] = 0xdd; } + if (drvdata->quirks & QUIRK_T100_KEYBOARD && + *rsize == 76 && rdesc[73] == 0x81 && rdesc[74] == 0x01) { + hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); + rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; + } + return rdesc; } @@ -560,6 +569,9 @@ static const struct hid_device_id asus_devices[] = { USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, + { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, + USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD), + QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, { } }; MODULE_DEVICE_TABLE(hid, asus_devices); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 37084b645785..04cee65531d7 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1855,6 +1855,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) }, @@ -1891,6 +1892,8 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) }, { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) }, { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) }, { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) }, { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) }, diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c index 6e3848a8d8dd..e2c7465df69f 100644 --- a/drivers/hid/hid-elecom.c +++ b/drivers/hid/hid-elecom.c @@ -1,10 +1,8 @@ /* - * HID driver for Elecom BM084 (bluetooth mouse). - * Removes a non-existing horizontal wheel from - * the HID descriptor. - * (This module is based on "hid-ortek".) - * + * HID driver for ELECOM devices. * Copyright (c) 2010 Richard Nauber <Richard.Nauber@gmail.com> + * Copyright (c) 2016 Yuxuan Shui <yshuiv7@gmail.com> + * Copyright (c) 2017 Diego Elio Pettenò <flameeyes@flameeyes.eu> */ /* @@ -23,15 +21,61 @@ static __u8 *elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { - if (*rsize >= 48 && rdesc[46] == 0x05 && rdesc[47] == 0x0c) { - hid_info(hdev, "Fixing up Elecom BM084 report descriptor\n"); - rdesc[47] = 0x00; + switch (hdev->product) { + case USB_DEVICE_ID_ELECOM_BM084: + /* The BM084 Bluetooth mouse includes a non-existing horizontal + * wheel in the HID descriptor. */ + if (*rsize >= 48 && rdesc[46] == 0x05 && rdesc[47] == 0x0c) { + hid_info(hdev, "Fixing up Elecom BM084 report descriptor\n"); + rdesc[47] = 0x00; + } + break; + case USB_DEVICE_ID_ELECOM_DEFT_WIRED: + case USB_DEVICE_ID_ELECOM_DEFT_WIRELESS: + /* The DEFT trackball has eight buttons, but its descriptor only + * reports five, disabling the three Fn buttons on the top of + * the mouse. + * + * Apply the following diff to the descriptor: + * + * Collection (Physical), Collection (Physical), + * Report ID (1), Report ID (1), + * Report Count (5), -> Report Count (8), + * Report Size (1), Report Size (1), + * Usage Page (Button), Usage Page (Button), + * Usage Minimum (01h), Usage Minimum (01h), + * Usage Maximum (05h), -> Usage Maximum (08h), + * Logical Minimum (0), Logical Minimum (0), + * Logical Maximum (1), Logical Maximum (1), + * Input (Variable), Input (Variable), + * Report Count (1), -> Report Count (0), + * Report Size (3), Report Size (3), + * Input (Constant), Input (Constant), + * Report Size (16), Report Size (16), + * Report Count (2), Report Count (2), + * Usage Page (Desktop), Usage Page (Desktop), + * Usage (X), Usage (X), + * Usage (Y), Usage (Y), + * Logical Minimum (-32768), Logical Minimum (-32768), + * Logical Maximum (32767), Logical Maximum (32767), + * Input (Variable, Relative), Input (Variable, Relative), + * End Collection, End Collection, + */ + if (*rsize == 213 && rdesc[13] == 5 && rdesc[21] == 5) { + hid_info(hdev, "Fixing up Elecom DEFT Fn buttons\n"); + rdesc[13] = 8; /* Button/Variable Report Count */ + rdesc[21] = 8; /* Button/Variable Usage Maximum */ + rdesc[29] = 0; /* Button/Constant Report Count */ + } + break; } return rdesc; } static const struct hid_device_id elecom_devices[] = { - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084)}, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) }, { } }; MODULE_DEVICE_TABLE(hid, elecom_devices); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 643390ba749d..8ca1e8ce0af2 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -173,6 +173,7 @@ #define USB_VENDOR_ID_ASUSTEK 0x0b05 #define USB_DEVICE_ID_ASUSTEK_LCM 0x1726 #define USB_DEVICE_ID_ASUSTEK_LCM2 0x175b +#define USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD 0x17e0 #define USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD 0x8585 #define USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD 0x0101 #define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1 0x1854 @@ -358,6 +359,8 @@ #define USB_VENDOR_ID_ELECOM 0x056e #define USB_DEVICE_ID_ELECOM_BM084 0x0061 +#define USB_DEVICE_ID_ELECOM_DEFT_WIRED 0x00fe +#define USB_DEVICE_ID_ELECOM_DEFT_WIRELESS 0x00ff #define USB_VENDOR_ID_DREAM_CHEEKY 0x1d34 #define USB_DEVICE_ID_DREAM_CHEEKY_WN 0x0004 diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 20b40ad26325..1d6c997b3001 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -349,6 +349,7 @@ static int magicmouse_raw_event(struct hid_device *hdev, if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { magicmouse_emit_buttons(msc, clicks & 3); + input_mt_report_pointer_emulation(input, true); input_report_rel(input, REL_X, x); input_report_rel(input, REL_Y, y); } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ @@ -388,16 +389,16 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd __clear_bit(BTN_RIGHT, input->keybit); __clear_bit(BTN_MIDDLE, input->keybit); __set_bit(BTN_MOUSE, input->keybit); - __set_bit(BTN_TOOL_FINGER, input->keybit); - __set_bit(BTN_TOOL_DOUBLETAP, input->keybit); - __set_bit(BTN_TOOL_TRIPLETAP, input->keybit); - __set_bit(BTN_TOOL_QUADTAP, input->keybit); - __set_bit(BTN_TOOL_QUINTTAP, input->keybit); - __set_bit(BTN_TOUCH, input->keybit); - __set_bit(INPUT_PROP_POINTER, input->propbit); __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); } + __set_bit(BTN_TOOL_FINGER, input->keybit); + __set_bit(BTN_TOOL_DOUBLETAP, input->keybit); + __set_bit(BTN_TOOL_TRIPLETAP, input->keybit); + __set_bit(BTN_TOOL_QUADTAP, input->keybit); + __set_bit(BTN_TOOL_QUINTTAP, input->keybit); + __set_bit(BTN_TOUCH, input->keybit); + __set_bit(INPUT_PROP_POINTER, input->propbit); __set_bit(EV_ABS, input->evbit); diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index 8daa8ce64ebb..fb55fb4c39fc 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -897,6 +897,15 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client, return 0; } +static void i2c_hid_acpi_fix_up_power(struct device *dev) +{ + acpi_handle handle = ACPI_HANDLE(dev); + struct acpi_device *adev; + + if (handle && acpi_bus_get_device(handle, &adev) == 0) + acpi_device_fix_up_power(adev); +} + static const struct acpi_device_id i2c_hid_acpi_match[] = { {"ACPI0C50", 0 }, {"PNP0C50", 0 }, @@ -909,6 +918,8 @@ static inline int i2c_hid_acpi_pdata(struct i2c_client *client, { return -ENODEV; } + +static inline void i2c_hid_acpi_fix_up_power(struct device *dev) {} #endif #ifdef CONFIG_OF @@ -1030,6 +1041,8 @@ static int i2c_hid_probe(struct i2c_client *client, if (ret < 0) goto err_regulator; + i2c_hid_acpi_fix_up_power(&client->dev); + pm_runtime_get_noresume(&client->dev); pm_runtime_set_active(&client->dev); pm_runtime_enable(&client->dev); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 4b225fb19a16..e274c9dc32f3 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1571,37 +1571,38 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) { unsigned char *data = wacom->data; - if (wacom->pen_input) + if (wacom->pen_input) { dev_dbg(wacom->pen_input->dev.parent, "%s: received report #%d\n", __func__, data[0]); - else if (wacom->touch_input) + + if (len == WACOM_PKGLEN_PENABLED || + data[0] == WACOM_REPORT_PENABLED) + return wacom_tpc_pen(wacom); + } + else if (wacom->touch_input) { dev_dbg(wacom->touch_input->dev.parent, "%s: received report #%d\n", __func__, data[0]); - switch (len) { - case WACOM_PKGLEN_TPC1FG: - return wacom_tpc_single_touch(wacom, len); + switch (len) { + case WACOM_PKGLEN_TPC1FG: + return wacom_tpc_single_touch(wacom, len); - case WACOM_PKGLEN_TPC2FG: - return wacom_tpc_mt_touch(wacom); + case WACOM_PKGLEN_TPC2FG: + return wacom_tpc_mt_touch(wacom); - case WACOM_PKGLEN_PENABLED: - return wacom_tpc_pen(wacom); + default: + switch (data[0]) { + case WACOM_REPORT_TPC1FG: + case WACOM_REPORT_TPCHID: + case WACOM_REPORT_TPCST: + case WACOM_REPORT_TPC1FGE: + return wacom_tpc_single_touch(wacom, len); - default: - switch (data[0]) { - case WACOM_REPORT_TPC1FG: - case WACOM_REPORT_TPCHID: - case WACOM_REPORT_TPCST: - case WACOM_REPORT_TPC1FGE: - return wacom_tpc_single_touch(wacom, len); - - case WACOM_REPORT_TPCMT: - case WACOM_REPORT_TPCMT2: - return wacom_mt_touch(wacom); + case WACOM_REPORT_TPCMT: + case WACOM_REPORT_TPCMT2: + return wacom_mt_touch(wacom); - case WACOM_REPORT_PENABLED: - return wacom_tpc_pen(wacom); + } } } diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 22d5eafd6815..5ef2814345ef 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -343,6 +343,7 @@ config SENSORS_ASB100 config SENSORS_ASPEED tristate "ASPEED AST2400/AST2500 PWM and Fan tach driver" + select REGMAP help This driver provides support for ASPEED AST2400/AST2500 PWM and Fan Tacho controllers. diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c index 48403a2115be..9de13d626c68 100644 --- a/drivers/hwmon/aspeed-pwm-tacho.c +++ b/drivers/hwmon/aspeed-pwm-tacho.c @@ -7,6 +7,7 @@ */ #include <linux/clk.h> +#include <linux/errno.h> #include <linux/gpio/consumer.h> #include <linux/delay.h> #include <linux/hwmon.h> @@ -494,7 +495,7 @@ static u32 aspeed_get_fan_tach_ch_measure_period(struct aspeed_pwm_tacho_data return clk / (clk_unit * div_h * div_l * tacho_div * tacho_unit); } -static u32 aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, +static int aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, u8 fan_tach_ch) { u32 raw_data, tach_div, clk_source, sec, val; @@ -510,6 +511,9 @@ static u32 aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, msleep(sec); regmap_read(priv->regmap, ASPEED_PTCR_RESULT, &val); + if (!(val & RESULT_STATUS_MASK)) + return -ETIMEDOUT; + raw_data = val & RESULT_VALUE_MASK; tach_div = priv->type_fan_tach_clock_division[type]; tach_div = 0x4 << (tach_div * 2); @@ -561,12 +565,14 @@ static ssize_t show_rpm(struct device *dev, struct device_attribute *attr, { struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int index = sensor_attr->index; - u32 rpm; + int rpm; struct aspeed_pwm_tacho_data *priv = dev_get_drvdata(dev); rpm = aspeed_get_fan_tach_ch_rpm(priv, index); + if (rpm < 0) + return rpm; - return sprintf(buf, "%u\n", rpm); + return sprintf(buf, "%d\n", rpm); } static umode_t pwm_is_visible(struct kobject *kobj, @@ -591,24 +597,23 @@ static umode_t fan_dev_is_visible(struct kobject *kobj, return a->mode; } -static SENSOR_DEVICE_ATTR(pwm0, 0644, - show_pwm, set_pwm, 0); static SENSOR_DEVICE_ATTR(pwm1, 0644, - show_pwm, set_pwm, 1); + show_pwm, set_pwm, 0); static SENSOR_DEVICE_ATTR(pwm2, 0644, - show_pwm, set_pwm, 2); + show_pwm, set_pwm, 1); static SENSOR_DEVICE_ATTR(pwm3, 0644, - show_pwm, set_pwm, 3); + show_pwm, set_pwm, 2); static SENSOR_DEVICE_ATTR(pwm4, 0644, - show_pwm, set_pwm, 4); + show_pwm, set_pwm, 3); static SENSOR_DEVICE_ATTR(pwm5, 0644, - show_pwm, set_pwm, 5); + show_pwm, set_pwm, 4); static SENSOR_DEVICE_ATTR(pwm6, 0644, - show_pwm, set_pwm, 6); + show_pwm, set_pwm, 5); static SENSOR_DEVICE_ATTR(pwm7, 0644, + show_pwm, set_pwm, 6); +static SENSOR_DEVICE_ATTR(pwm8, 0644, show_pwm, set_pwm, 7); static struct attribute *pwm_dev_attrs[] = { - &sensor_dev_attr_pwm0.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm2.dev_attr.attr, &sensor_dev_attr_pwm3.dev_attr.attr, @@ -616,6 +621,7 @@ static struct attribute *pwm_dev_attrs[] = { &sensor_dev_attr_pwm5.dev_attr.attr, &sensor_dev_attr_pwm6.dev_attr.attr, &sensor_dev_attr_pwm7.dev_attr.attr, + &sensor_dev_attr_pwm8.dev_attr.attr, NULL, }; @@ -624,40 +630,39 @@ static const struct attribute_group pwm_dev_group = { .is_visible = pwm_is_visible, }; -static SENSOR_DEVICE_ATTR(fan0_input, 0444, - show_rpm, NULL, 0); static SENSOR_DEVICE_ATTR(fan1_input, 0444, - show_rpm, NULL, 1); + show_rpm, NULL, 0); static SENSOR_DEVICE_ATTR(fan2_input, 0444, - show_rpm, NULL, 2); + show_rpm, NULL, 1); static SENSOR_DEVICE_ATTR(fan3_input, 0444, - show_rpm, NULL, 3); + show_rpm, NULL, 2); static SENSOR_DEVICE_ATTR(fan4_input, 0444, - show_rpm, NULL, 4); + show_rpm, NULL, 3); static SENSOR_DEVICE_ATTR(fan5_input, 0444, - show_rpm, NULL, 5); + show_rpm, NULL, 4); static SENSOR_DEVICE_ATTR(fan6_input, 0444, - show_rpm, NULL, 6); + show_rpm, NULL, 5); static SENSOR_DEVICE_ATTR(fan7_input, 0444, - show_rpm, NULL, 7); + show_rpm, NULL, 6); static SENSOR_DEVICE_ATTR(fan8_input, 0444, - show_rpm, NULL, 8); + show_rpm, NULL, 7); static SENSOR_DEVICE_ATTR(fan9_input, 0444, - show_rpm, NULL, 9); + show_rpm, NULL, 8); static SENSOR_DEVICE_ATTR(fan10_input, 0444, - show_rpm, NULL, 10); + show_rpm, NULL, 9); static SENSOR_DEVICE_ATTR(fan11_input, 0444, - show_rpm, NULL, 11); + show_rpm, NULL, 10); static SENSOR_DEVICE_ATTR(fan12_input, 0444, - show_rpm, NULL, 12); + show_rpm, NULL, 11); static SENSOR_DEVICE_ATTR(fan13_input, 0444, - show_rpm, NULL, 13); + show_rpm, NULL, 12); static SENSOR_DEVICE_ATTR(fan14_input, 0444, - show_rpm, NULL, 14); + show_rpm, NULL, 13); static SENSOR_DEVICE_ATTR(fan15_input, 0444, + show_rpm, NULL, 14); +static SENSOR_DEVICE_ATTR(fan16_input, 0444, show_rpm, NULL, 15); static struct attribute *fan_dev_attrs[] = { - &sensor_dev_attr_fan0_input.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan2_input.dev_attr.attr, &sensor_dev_attr_fan3_input.dev_attr.attr, @@ -673,6 +678,7 @@ static struct attribute *fan_dev_attrs[] = { &sensor_dev_attr_fan13_input.dev_attr.attr, &sensor_dev_attr_fan14_input.dev_attr.attr, &sensor_dev_attr_fan15_input.dev_attr.attr, + &sensor_dev_attr_fan16_input.dev_attr.attr, NULL }; @@ -802,7 +808,6 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev) if (ret) return ret; } - of_node_put(np); priv->groups[0] = &pwm_dev_group; priv->groups[1] = &fan_dev_group; diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 1844770f3ae8..2b4d613a3474 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -1429,7 +1429,7 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg, primary_path->packet_life_time = cm_req_get_primary_local_ack_timeout(req_msg); primary_path->packet_life_time -= (primary_path->packet_life_time > 0); - sa_path_set_service_id(primary_path, req_msg->service_id); + primary_path->service_id = req_msg->service_id; if (req_msg->alt_local_lid) { alt_path->dgid = req_msg->alt_local_gid; @@ -1452,7 +1452,7 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg, alt_path->packet_life_time = cm_req_get_alt_local_ack_timeout(req_msg); alt_path->packet_life_time -= (alt_path->packet_life_time > 0); - sa_path_set_service_id(alt_path, req_msg->service_id); + alt_path->service_id = req_msg->service_id; } } diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 91b7a2fe5a55..31bb82d8ecd7 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1140,7 +1140,7 @@ static void cma_save_ib_info(struct sockaddr *src_addr, ib->sib_pkey = path->pkey; ib->sib_flowinfo = path->flow_label; memcpy(&ib->sib_addr, &path->sgid, 16); - ib->sib_sid = sa_path_get_service_id(path); + ib->sib_sid = path->service_id; ib->sib_scope_id = 0; } else { ib->sib_pkey = listen_ib->sib_pkey; @@ -1274,8 +1274,7 @@ static int cma_save_req_info(const struct ib_cm_event *ib_event, memcpy(&req->local_gid, &req_param->primary_path->sgid, sizeof(req->local_gid)); req->has_gid = true; - req->service_id = - sa_path_get_service_id(req_param->primary_path); + req->service_id = req_param->primary_path->service_id; req->pkey = be16_to_cpu(req_param->primary_path->pkey); if (req->pkey != req_param->bth_pkey) pr_warn_ratelimited("RDMA CMA: got different BTH P_Key (0x%x) and primary path P_Key (0x%x)\n" @@ -1827,7 +1826,8 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id, struct rdma_route *rt; const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family; struct sa_path_rec *path = ib_event->param.req_rcvd.primary_path; - const __be64 service_id = sa_path_get_service_id(path); + const __be64 service_id = + ib_event->param.req_rcvd.primary_path->service_id; int ret; id = rdma_create_id(listen_id->route.addr.dev_addr.net, @@ -2345,9 +2345,8 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms, path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(dev_addr)); path_rec.numb_path = 1; path_rec.reversible = 1; - sa_path_set_service_id(&path_rec, - rdma_get_service_id(&id_priv->id, - cma_dst_addr(id_priv))); + path_rec.service_id = rdma_get_service_id(&id_priv->id, + cma_dst_addr(id_priv)); comp_mask = IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID | IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH | diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index cb7d372e4bdf..d92ab4eaa8f3 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -169,6 +169,16 @@ void ib_mad_cleanup(void); int ib_sa_init(void); void ib_sa_cleanup(void); +int ibnl_init(void); +void ibnl_cleanup(void); + +/** + * Check if there are any listeners to the netlink group + * @group: the netlink group ID + * Returns 0 on success or a negative for no listeners. + */ +int ibnl_chk_listeners(unsigned int group); + int ib_nl_handle_resolve_resp(struct sk_buff *skb, struct netlink_callback *cb); int ib_nl_handle_set_timeout(struct sk_buff *skb, diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c index b784055423c8..94931c474d41 100644 --- a/drivers/infiniband/core/netlink.c +++ b/drivers/infiniband/core/netlink.c @@ -37,6 +37,7 @@ #include <net/net_namespace.h> #include <net/sock.h> #include <rdma/rdma_netlink.h> +#include "core_priv.h" struct ibnl_client { struct list_head list; @@ -55,7 +56,6 @@ int ibnl_chk_listeners(unsigned int group) return -1; return 0; } -EXPORT_SYMBOL(ibnl_chk_listeners); int ibnl_add_client(int index, int nops, const struct ibnl_client_cbs cb_table[]) diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index e335b09c022e..fb7aec4047c8 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -194,7 +194,7 @@ static u32 tid; .field_name = "sa_path_rec:" #field static const struct ib_field path_rec_table[] = { - { PATH_REC_FIELD(ib.service_id), + { PATH_REC_FIELD(service_id), .offset_words = 0, .offset_bits = 0, .size_bits = 64 }, @@ -296,7 +296,7 @@ static const struct ib_field path_rec_table[] = { .field_name = "sa_path_rec:" #field static const struct ib_field opa_path_rec_table[] = { - { OPA_PATH_REC_FIELD(opa.service_id), + { OPA_PATH_REC_FIELD(service_id), .offset_words = 0, .offset_bits = 0, .size_bits = 64 }, @@ -774,7 +774,7 @@ static void ib_nl_set_path_rec_attrs(struct sk_buff *skb, /* Now build the attributes */ if (comp_mask & IB_SA_PATH_REC_SERVICE_ID) { - val64 = be64_to_cpu(sa_path_get_service_id(sa_rec)); + val64 = be64_to_cpu(sa_rec->service_id); nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_SERVICE_ID, sizeof(val64), &val64); } diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 3dbf811d3c51..21e60b1e2ff4 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -58,7 +58,7 @@ static void __ib_umem_release(struct ib_device *dev, struct ib_umem *umem, int d for_each_sg(umem->sg_head.sgl, sg, umem->npages, i) { page = sg_page(sg); - if (umem->writable && dirty) + if (!PageDirty(page) && umem->writable && dirty) set_page_dirty_lock(page); put_page(page); } diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c index 0780b1afefa9..8c4ec564e495 100644 --- a/drivers/infiniband/core/umem_odp.c +++ b/drivers/infiniband/core/umem_odp.c @@ -321,11 +321,15 @@ int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem, struct vm_area_struct *vma; struct hstate *h; + down_read(&mm->mmap_sem); vma = find_vma(mm, ib_umem_start(umem)); - if (!vma || !is_vm_hugetlb_page(vma)) + if (!vma || !is_vm_hugetlb_page(vma)) { + up_read(&mm->mmap_sem); return -EINVAL; + } h = hstate_vma(vma); umem->page_shift = huge_page_shift(h); + up_read(&mm->mmap_sem); umem->hugetlb = 1; } else { umem->hugetlb = 0; diff --git a/drivers/infiniband/core/uverbs_marshall.c b/drivers/infiniband/core/uverbs_marshall.c index 8b9587fe2303..94fd989c9060 100644 --- a/drivers/infiniband/core/uverbs_marshall.c +++ b/drivers/infiniband/core/uverbs_marshall.c @@ -96,11 +96,11 @@ void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst, } EXPORT_SYMBOL(ib_copy_qp_attr_to_user); -void __ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, - struct sa_path_rec *src) +static void __ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, + struct sa_path_rec *src) { - memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid); - memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid); + memcpy(dst->dgid, src->dgid.raw, sizeof(src->dgid)); + memcpy(dst->sgid, src->sgid.raw, sizeof(src->sgid)); dst->dlid = htons(ntohl(sa_path_get_dlid(src))); dst->slid = htons(ntohl(sa_path_get_slid(src))); diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index b6fe45924c6e..0910faf3587b 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -488,6 +488,7 @@ static int _put_ep_safe(struct c4iw_dev *dev, struct sk_buff *skb) ep = *((struct c4iw_ep **)(skb->cb + 2 * sizeof(void *))); release_ep_resources(ep); + kfree_skb(skb); return 0; } @@ -498,6 +499,7 @@ static int _put_pass_ep_safe(struct c4iw_dev *dev, struct sk_buff *skb) ep = *((struct c4iw_ep **)(skb->cb + 2 * sizeof(void *))); c4iw_put_ep(&ep->parent_ep->com); release_ep_resources(ep); + kfree_skb(skb); return 0; } @@ -569,11 +571,13 @@ static void abort_arp_failure(void *handle, struct sk_buff *skb) pr_debug("%s rdev %p\n", __func__, rdev); req->cmd = CPL_ABORT_NO_RST; + skb_get(skb); ret = c4iw_ofld_send(rdev, skb); if (ret) { __state_set(&ep->com, DEAD); queue_arp_failure_cpl(ep, skb, FAKE_CPL_PUT_EP_SAFE); - } + } else + kfree_skb(skb); } static int send_flowc(struct c4iw_ep *ep) @@ -2517,7 +2521,8 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb) goto reject; } - hdrs = sizeof(struct iphdr) + sizeof(struct tcphdr) + + hdrs = ((iptype == 4) ? sizeof(struct iphdr) : sizeof(struct ipv6hdr)) + + sizeof(struct tcphdr) + ((enable_tcp_timestamps && req->tcpopt.tstamp) ? 12 : 0); if (peer_mss && child_ep->mtu > (peer_mss + hdrs)) child_ep->mtu = peer_mss + hdrs; diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index 329fb65e8fb0..f96a96dbcf1f 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -971,7 +971,7 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop) devp->rdev.lldi.sge_egrstatuspagesize); devp->rdev.hw_queue.t4_eq_status_entries = - devp->rdev.lldi.sge_ingpadboundary > 64 ? 2 : 1; + devp->rdev.lldi.sge_egrstatuspagesize / 64; devp->rdev.hw_queue.t4_max_eq_size = 65520; devp->rdev.hw_queue.t4_max_iq_size = 65520; devp->rdev.hw_queue.t4_max_rq_size = 8192 - diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 5d6b1eeaa9a0..2ba00b89df6a 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -6312,25 +6312,38 @@ static void handle_8051_request(struct hfi1_pportdata *ppd) } } -static void write_global_credit(struct hfi1_devdata *dd, - u8 vau, u16 total, u16 shared) +/* + * Set up allocation unit vaulue. + */ +void set_up_vau(struct hfi1_devdata *dd, u8 vau) { - write_csr(dd, SEND_CM_GLOBAL_CREDIT, - ((u64)total << - SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT) | - ((u64)shared << - SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT) | - ((u64)vau << SEND_CM_GLOBAL_CREDIT_AU_SHIFT)); + u64 reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT); + + /* do not modify other values in the register */ + reg &= ~SEND_CM_GLOBAL_CREDIT_AU_SMASK; + reg |= (u64)vau << SEND_CM_GLOBAL_CREDIT_AU_SHIFT; + write_csr(dd, SEND_CM_GLOBAL_CREDIT, reg); } /* * Set up initial VL15 credits of the remote. Assumes the rest of - * the CM credit registers are zero from a previous global or credit reset . + * the CM credit registers are zero from a previous global or credit reset. + * Shared limit for VL15 will always be 0. */ -void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf) +void set_up_vl15(struct hfi1_devdata *dd, u16 vl15buf) { - /* leave shared count at zero for both global and VL15 */ - write_global_credit(dd, vau, vl15buf, 0); + u64 reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT); + + /* set initial values for total and shared credit limit */ + reg &= ~(SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SMASK | + SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SMASK); + + /* + * Set total limit to be equal to VL15 credits. + * Leave shared limit at 0. + */ + reg |= (u64)vl15buf << SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT; + write_csr(dd, SEND_CM_GLOBAL_CREDIT, reg); write_csr(dd, SEND_CM_CREDIT_VL15, (u64)vl15buf << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT); @@ -6348,9 +6361,11 @@ void reset_link_credits(struct hfi1_devdata *dd) for (i = 0; i < TXE_NUM_DATA_VL; i++) write_csr(dd, SEND_CM_CREDIT_VL + (8 * i), 0); write_csr(dd, SEND_CM_CREDIT_VL15, 0); - write_global_credit(dd, 0, 0, 0); + write_csr(dd, SEND_CM_GLOBAL_CREDIT, 0); /* reset the CM block */ pio_send_control(dd, PSC_CM_RESET); + /* reset cached value */ + dd->vl15buf_cached = 0; } /* convert a vCU to a CU */ @@ -6839,24 +6854,35 @@ void handle_link_up(struct work_struct *work) { struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, link_up_work); + struct hfi1_devdata *dd = ppd->dd; + set_link_state(ppd, HLS_UP_INIT); /* cache the read of DC_LCB_STS_ROUND_TRIP_LTP_CNT */ - read_ltp_rtt(ppd->dd); + read_ltp_rtt(dd); /* * OPA specifies that certain counters are cleared on a transition * to link up, so do that. */ - clear_linkup_counters(ppd->dd); + clear_linkup_counters(dd); /* * And (re)set link up default values. */ set_linkup_defaults(ppd); + /* + * Set VL15 credits. Use cached value from verify cap interrupt. + * In case of quick linkup or simulator, vl15 value will be set by + * handle_linkup_change. VerifyCap interrupt handler will not be + * called in those scenarios. + */ + if (!(quick_linkup || dd->icode == ICODE_FUNCTIONAL_SIMULATOR)) + set_up_vl15(dd, dd->vl15buf_cached); + /* enforce link speed enabled */ if ((ppd->link_speed_active & ppd->link_speed_enabled) == 0) { /* oops - current speed is not enabled, bounce */ - dd_dev_err(ppd->dd, + dd_dev_err(dd, "Link speed active 0x%x is outside enabled 0x%x, downing link\n", ppd->link_speed_active, ppd->link_speed_enabled); set_link_down_reason(ppd, OPA_LINKDOWN_REASON_SPEED_POLICY, 0, @@ -7357,7 +7383,14 @@ void handle_verify_cap(struct work_struct *work) */ if (vau == 0) vau = 1; - set_up_vl15(dd, vau, vl15buf); + set_up_vau(dd, vau); + + /* + * Set VL15 credits to 0 in global credit register. Cache remote VL15 + * credits value and wait for link-up interrupt ot set it. + */ + set_up_vl15(dd, 0); + dd->vl15buf_cached = vl15buf; /* set up the LCB CRC mode */ crc_mask = ppd->port_crc_mode_enabled & partner_supported_crc; diff --git a/drivers/infiniband/hw/hfi1/chip_registers.h b/drivers/infiniband/hw/hfi1/chip_registers.h index 5bfa839d1c48..793514f1d15f 100644 --- a/drivers/infiniband/hw/hfi1/chip_registers.h +++ b/drivers/infiniband/hw/hfi1/chip_registers.h @@ -839,7 +839,9 @@ #define SEND_CM_CTRL_FORCE_CREDIT_MODE_SMASK 0x8ull #define SEND_CM_CTRL_RESETCSR 0x0000000000000020ull #define SEND_CM_GLOBAL_CREDIT (TXE + 0x000000000508) +#define SEND_CM_GLOBAL_CREDIT_AU_MASK 0x7ull #define SEND_CM_GLOBAL_CREDIT_AU_SHIFT 16 +#define SEND_CM_GLOBAL_CREDIT_AU_SMASK 0x70000ull #define SEND_CM_GLOBAL_CREDIT_RESETCSR 0x0000094000030000ull #define SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_MASK 0xFFFFull #define SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT 0 diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index da322e6668cc..414a04a481c2 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -1045,6 +1045,14 @@ struct hfi1_devdata { /* initial vl15 credits to use */ u16 vl15_init; + /* + * Cached value for vl15buf, read during verify cap interrupt. VL15 + * credits are to be kept at 0 and set when handling the link-up + * interrupt. This removes the possibility of receiving VL15 MAD + * packets before this HFI is ready. + */ + u16 vl15buf_cached; + /* Misc small ints */ u8 n_krcv_queues; u8 qos_shift; @@ -1598,7 +1606,8 @@ int hfi1_rcvbuf_validate(u32 size, u8 type, u16 *encode); int fm_get_table(struct hfi1_pportdata *ppd, int which, void *t); int fm_set_table(struct hfi1_pportdata *ppd, int which, void *t); -void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf); +void set_up_vau(struct hfi1_devdata *dd, u8 vau); +void set_up_vl15(struct hfi1_devdata *dd, u16 vl15buf); void reset_link_credits(struct hfi1_devdata *dd); void assign_remote_cm_au_table(struct hfi1_devdata *dd, u8 vcu); diff --git a/drivers/infiniband/hw/hfi1/intr.c b/drivers/infiniband/hw/hfi1/intr.c index ba265d0ae93b..04a5082d5ac5 100644 --- a/drivers/infiniband/hw/hfi1/intr.c +++ b/drivers/infiniband/hw/hfi1/intr.c @@ -130,7 +130,8 @@ void handle_linkup_change(struct hfi1_devdata *dd, u32 linkup) * the remote values. Both sides must be using the values. */ if (quick_linkup || dd->icode == ICODE_FUNCTIONAL_SIMULATOR) { - set_up_vl15(dd, dd->vau, dd->vl15_init); + set_up_vau(dd, dd->vau); + set_up_vl15(dd, dd->vl15_init); assign_remote_cm_au_table(dd, dd->vcu); } diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c index 93faf86d54b6..6a9f6f9819e1 100644 --- a/drivers/infiniband/hw/hfi1/pcie.c +++ b/drivers/infiniband/hw/hfi1/pcie.c @@ -207,8 +207,8 @@ int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev) /* * Save BARs and command to rewrite after device reset. */ - dd->pcibar0 = addr; - dd->pcibar1 = addr >> 32; + pci_read_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0, &dd->pcibar0); + pci_read_config_dword(dd->pcidev, PCI_BASE_ADDRESS_1, &dd->pcibar1); pci_read_config_dword(dd->pcidev, PCI_ROM_ADDRESS, &dd->pci_rom); pci_read_config_word(dd->pcidev, PCI_COMMAND, &dd->pci_command); pcie_capability_read_word(dd->pcidev, PCI_EXP_DEVCTL, &dd->pcie_devctl); diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index 069bdaf061ab..1080778a1f7c 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -2159,8 +2159,11 @@ send_last: ret = hfi1_rvt_get_rwqe(qp, 1); if (ret < 0) goto nack_op_err; - if (!ret) + if (!ret) { + /* peer will send again */ + rvt_put_ss(&qp->r_sge); goto rnr_nak; + } wc.ex.imm_data = ohdr->u.rc.imm_data; wc.wc_flags = IB_WC_WITH_IMM; goto send_last; diff --git a/drivers/infiniband/hw/hfi1/sysfs.c b/drivers/infiniband/hw/hfi1/sysfs.c index 50d140d25e38..2f3bbcac1e34 100644 --- a/drivers/infiniband/hw/hfi1/sysfs.c +++ b/drivers/infiniband/hw/hfi1/sysfs.c @@ -196,7 +196,8 @@ static const struct sysfs_ops port_cc_sysfs_ops = { }; static struct attribute *port_cc_default_attributes[] = { - &cc_prescan_attr.attr + &cc_prescan_attr.attr, + NULL }; static struct kobj_type port_cc_ktype = { diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index f3bc01bce483..6ae98aa7f74e 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -784,7 +784,6 @@ static void i40iw_build_mpa_v2(struct i40iw_cm_node *cm_node, } ctrl_ird |= IETF_PEER_TO_PEER; - ctrl_ird |= IETF_FLPDU_ZERO_LEN; switch (mpa_key) { case MPA_KEY_REQUEST: @@ -2446,8 +2445,8 @@ static void i40iw_handle_rcv_mpa(struct i40iw_cm_node *cm_node, } else { type = I40IW_CM_EVENT_CONNECTED; cm_node->state = I40IW_CM_STATE_OFFLOADED; - i40iw_send_ack(cm_node); } + i40iw_send_ack(cm_node); break; default: pr_err("%s wrong cm_node state =%d\n", __func__, cm_node->state); diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c index f82483b3d1e7..a027e2072477 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c @@ -285,28 +285,20 @@ void i40iw_change_l2params(struct i40iw_sc_vsi *vsi, struct i40iw_l2params *l2pa struct i40iw_sc_dev *dev = vsi->dev; struct i40iw_sc_qp *qp = NULL; bool qs_handle_change = false; - bool mss_change = false; unsigned long flags; u16 qs_handle; int i; - if (vsi->mss != l2params->mss) { - mss_change = true; - vsi->mss = l2params->mss; - } + vsi->mss = l2params->mss; i40iw_fill_qos_list(l2params->qs_handle_list); for (i = 0; i < I40IW_MAX_USER_PRIORITY; i++) { qs_handle = l2params->qs_handle_list[i]; if (vsi->qos[i].qs_handle != qs_handle) qs_handle_change = true; - else if (!mss_change) - continue; /* no MSS nor qs handle change */ spin_lock_irqsave(&vsi->qos[i].lock, flags); qp = i40iw_get_qp(&vsi->qos[i].qplist, qp); while (qp) { - if (mss_change) - i40iw_qp_mss_modify(dev, qp); if (qs_handle_change) { qp->qs_handle = qs_handle; /* issue cqp suspend command */ @@ -2395,7 +2387,6 @@ static enum i40iw_status_code i40iw_sc_qp_modify( set_64bit_val(wqe, 8, - LS_64(info->new_mss, I40IW_CQPSQ_QP_NEWMSS) | LS_64(term_len, I40IW_CQPSQ_QP_TERMLEN)); set_64bit_val(wqe, 16, qp->hw_host_ctx_pa); @@ -2410,7 +2401,6 @@ static enum i40iw_status_code i40iw_sc_qp_modify( LS_64(info->cq_num_valid, I40IW_CQPSQ_QP_CQNUMVALID) | LS_64(info->force_loopback, I40IW_CQPSQ_QP_FORCELOOPBACK) | LS_64(qp->qp_type, I40IW_CQPSQ_QP_QPTYPE) | - LS_64(info->mss_change, I40IW_CQPSQ_QP_MSSCHANGE) | LS_64(info->static_rsrc, I40IW_CQPSQ_QP_STATRSRC) | LS_64(info->remove_hash_idx, I40IW_CQPSQ_QP_REMOVEHASHENTRY) | LS_64(term_actions, I40IW_CQPSQ_QP_TERMACT) | diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index 2728af3103ce..a3f18a22f5ed 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -1319,13 +1319,13 @@ static enum i40iw_status_code i40iw_initialize_dev(struct i40iw_device *iwdev, status = i40iw_obj_aligned_mem(iwdev, &mem, I40IW_QUERY_FPM_BUF_SIZE, I40IW_FPM_QUERY_BUF_ALIGNMENT_MASK); if (status) - goto exit; + goto error; info.fpm_query_buf_pa = mem.pa; info.fpm_query_buf = mem.va; status = i40iw_obj_aligned_mem(iwdev, &mem, I40IW_COMMIT_FPM_BUF_SIZE, I40IW_FPM_COMMIT_BUF_ALIGNMENT_MASK); if (status) - goto exit; + goto error; info.fpm_commit_buf_pa = mem.pa; info.fpm_commit_buf = mem.va; info.hmc_fn_id = ldev->fid; @@ -1347,11 +1347,9 @@ static enum i40iw_status_code i40iw_initialize_dev(struct i40iw_device *iwdev, info.exception_lan_queue = 1; info.vchnl_send = i40iw_virtchnl_send; status = i40iw_device_init(&iwdev->sc_dev, &info); -exit: - if (status) { - kfree(iwdev->hmc_info_mem); - iwdev->hmc_info_mem = NULL; - } + + if (status) + goto error; memset(&vsi_info, 0, sizeof(vsi_info)); vsi_info.dev = &iwdev->sc_dev; vsi_info.back_vsi = (void *)iwdev; @@ -1362,11 +1360,19 @@ exit: memset(&stats_info, 0, sizeof(stats_info)); stats_info.fcn_id = ldev->fid; stats_info.pestat = kzalloc(sizeof(*stats_info.pestat), GFP_KERNEL); + if (!stats_info.pestat) { + status = I40IW_ERR_NO_MEMORY; + goto error; + } stats_info.stats_initialize = true; if (stats_info.pestat) i40iw_vsi_stats_init(&iwdev->vsi, &stats_info); } return status; +error: + kfree(iwdev->hmc_info_mem); + iwdev->hmc_info_mem = NULL; + return status; } /** diff --git a/drivers/infiniband/hw/i40iw/i40iw_osdep.h b/drivers/infiniband/hw/i40iw/i40iw_osdep.h index aa66c1c63dfa..f27be3e7830b 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_osdep.h +++ b/drivers/infiniband/hw/i40iw/i40iw_osdep.h @@ -199,7 +199,6 @@ void i40iw_cqp_spawn_worker(struct i40iw_sc_dev *dev, struct i40iw_virtchnl_work_info *work_info, u32 iw_vf_idx); void *i40iw_remove_head(struct list_head *list); void i40iw_qp_suspend_resume(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp, bool suspend); -void i40iw_qp_mss_modify(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp); void i40iw_term_modify_qp(struct i40iw_sc_qp *qp, u8 next_state, u8 term, u8 term_len); void i40iw_terminate_done(struct i40iw_sc_qp *qp, int timeout_occurred); diff --git a/drivers/infiniband/hw/i40iw/i40iw_type.h b/drivers/infiniband/hw/i40iw/i40iw_type.h index 7b76259752b0..959ec81fba99 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_type.h +++ b/drivers/infiniband/hw/i40iw/i40iw_type.h @@ -541,7 +541,6 @@ struct i40iw_create_qp_info { struct i40iw_modify_qp_info { u64 rx_win0; u64 rx_win1; - u16 new_mss; u8 next_iwarp_state; u8 termlen; bool ord_valid; @@ -554,7 +553,6 @@ struct i40iw_modify_qp_info { bool dont_send_term; bool dont_send_fin; bool cached_var_valid; - bool mss_change; bool force_loopback; }; diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 409a3781e735..56d986924a4c 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -757,23 +757,6 @@ void i40iw_qp_suspend_resume(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp, b } /** - * i40iw_qp_mss_modify - modify mss for qp - * @dev: hardware control device structure - * @qp: hardware control qp - */ -void i40iw_qp_mss_modify(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp) -{ - struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; - struct i40iw_qp *iwqp = (struct i40iw_qp *)qp->back_qp; - struct i40iw_modify_qp_info info; - - memset(&info, 0, sizeof(info)); - info.mss_change = true; - info.new_mss = qp->vsi->mss; - i40iw_hw_modify_qp(iwdev, iwqp, &info, false); -} - -/** * i40iw_term_modify_qp - modify qp for term message * @qp: hardware control qp * @next_state: qp's next state diff --git a/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c index f4d13683a403..48fd327f876b 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c @@ -443,10 +443,7 @@ enum i40iw_status_code i40iw_vchnl_recv_pf(struct i40iw_sc_dev *dev, if (!dev->vchnl_up) return I40IW_ERR_NOT_READY; if (vchnl_msg->iw_op_code == I40IW_VCHNL_OP_GET_VER) { - if (vchnl_msg->iw_op_ver != I40IW_VCHNL_OP_GET_VER_V0) - vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg); - else - vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg); + vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg); return I40IW_SUCCESS; } for (iw_vf_idx = 0; iw_vf_idx < I40IW_MAX_PE_ENABLED_VF_COUNT; iw_vf_idx++) { diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index b4694717f6f3..21d31cb1325f 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -1578,6 +1578,7 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc if (port < 0) return; ah.av.ib.port_pd = cpu_to_be32(port << 24 | (be32_to_cpu(ah.av.ib.port_pd) & 0xffffff)); + ah.ibah.type = rdma_ah_find_type(&dev->ib_dev, port); mlx4_ib_query_ah(&ah.ibah, &ah_attr); if (rdma_ah_get_ah_flags(&ah_attr) & IB_AH_GRH) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index d45772da0963..0c79983c8b1a 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2979,6 +2979,18 @@ error_0: return ret; } +static u8 mlx5_get_umr_fence(u8 umr_fence_cap) +{ + switch (umr_fence_cap) { + case MLX5_CAP_UMR_FENCE_NONE: + return MLX5_FENCE_MODE_NONE; + case MLX5_CAP_UMR_FENCE_SMALL: + return MLX5_FENCE_MODE_INITIATOR_SMALL; + default: + return MLX5_FENCE_MODE_STRONG_ORDERING; + } +} + static int create_dev_resources(struct mlx5_ib_resources *devr) { struct ib_srq_init_attr attr; @@ -3693,6 +3705,8 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) mlx5_ib_internal_fill_odp_caps(dev); + dev->umr_fence = mlx5_get_umr_fence(MLX5_CAP_GEN(mdev, umr_fence)); + if (MLX5_CAP_GEN(mdev, imaicl)) { dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 38c877bc45e5..bdcf25410c99 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -349,7 +349,7 @@ struct mlx5_ib_qp { struct mlx5_ib_wq rq; u8 sq_signal_bits; - u8 fm_cache; + u8 next_fence; struct mlx5_ib_wq sq; /* serialize qp state modifications @@ -654,6 +654,7 @@ struct mlx5_ib_dev { struct mlx5_ib_port *port; struct mlx5_sq_bfreg bfreg; struct mlx5_sq_bfreg fp_bfreg; + u8 umr_fence; }; static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 93959e1e43a3..ebb6768684de 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3738,24 +3738,6 @@ static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) } } -static u8 get_fence(u8 fence, struct ib_send_wr *wr) -{ - if (unlikely(wr->opcode == IB_WR_LOCAL_INV && - wr->send_flags & IB_SEND_FENCE)) - return MLX5_FENCE_MODE_STRONG_ORDERING; - - if (unlikely(fence)) { - if (wr->send_flags & IB_SEND_FENCE) - return MLX5_FENCE_MODE_SMALL_AND_FENCE; - else - return fence; - } else if (unlikely(wr->send_flags & IB_SEND_FENCE)) { - return MLX5_FENCE_MODE_FENCE; - } - - return 0; -} - static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, struct mlx5_wqe_ctrl_seg **ctrl, struct ib_send_wr *wr, unsigned *idx, @@ -3784,8 +3766,7 @@ static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, static void finish_wqe(struct mlx5_ib_qp *qp, struct mlx5_wqe_ctrl_seg *ctrl, u8 size, unsigned idx, u64 wr_id, - int nreq, u8 fence, u8 next_fence, - u32 mlx5_opcode) + int nreq, u8 fence, u32 mlx5_opcode) { u8 opmod = 0; @@ -3793,7 +3774,6 @@ static void finish_wqe(struct mlx5_ib_qp *qp, mlx5_opcode | ((u32)opmod << 24)); ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); ctrl->fm_ce_se |= fence; - qp->fm_cache = next_fence; if (unlikely(qp->wq_sig)) ctrl->signature = wq_sig(ctrl); @@ -3853,7 +3833,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - fence = qp->fm_cache; num_sge = wr->num_sge; if (unlikely(num_sge > qp->sq.max_gs)) { mlx5_ib_warn(dev, "\n"); @@ -3870,6 +3849,19 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } + if (wr->opcode == IB_WR_LOCAL_INV || + wr->opcode == IB_WR_REG_MR) { + fence = dev->umr_fence; + next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; + } else if (wr->send_flags & IB_SEND_FENCE) { + if (qp->next_fence) + fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; + else + fence = MLX5_FENCE_MODE_FENCE; + } else { + fence = qp->next_fence; + } + switch (ibqp->qp_type) { case IB_QPT_XRC_INI: xrc = seg; @@ -3896,7 +3888,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; case IB_WR_LOCAL_INV: - next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); set_linv_wr(qp, &seg, &size); @@ -3904,7 +3895,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, break; case IB_WR_REG_MR: - next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; qp->sq.wr_data[idx] = IB_WR_REG_MR; ctrl->imm = cpu_to_be32(reg_wr(wr)->key); err = set_reg_wr(qp, reg_wr(wr), &seg, &size); @@ -3927,9 +3917,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - finish_wqe(qp, ctrl, size, idx, wr->wr_id, - nreq, get_fence(fence, wr), - next_fence, MLX5_OPCODE_UMR); + finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, + fence, MLX5_OPCODE_UMR); /* * SET_PSV WQEs are not signaled and solicited * on error @@ -3954,9 +3943,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - finish_wqe(qp, ctrl, size, idx, wr->wr_id, - nreq, get_fence(fence, wr), - next_fence, MLX5_OPCODE_SET_PSV); + finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, + fence, MLX5_OPCODE_SET_PSV); err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); if (err) { @@ -3966,7 +3954,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, mr->sig->psv_wire.psv_idx, &seg, &size); @@ -3976,9 +3963,9 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - finish_wqe(qp, ctrl, size, idx, wr->wr_id, - nreq, get_fence(fence, wr), - next_fence, MLX5_OPCODE_SET_PSV); + finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, + fence, MLX5_OPCODE_SET_PSV); + qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; num_sge = 0; goto skip_psv; @@ -4089,8 +4076,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, } } - finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, - get_fence(fence, wr), next_fence, + qp->next_fence = next_fence; + finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, fence, mlx5_ib_opcode[wr->opcode]); skip_psv: if (0) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index fb983df7c157..30b256a2c54e 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -610,7 +610,6 @@ static void build_mpa_v2(struct nes_cm_node *cm_node, ctrl_ord = cm_node->ord_size & IETF_NO_IRD_ORD; } ctrl_ird |= IETF_PEER_TO_PEER; - ctrl_ird |= IETF_FLPDU_ZERO_LEN; switch (mpa_key) { case MPA_KEY_REQUEST: @@ -1826,7 +1825,7 @@ static void handle_rcv_mpa(struct nes_cm_node *cm_node, struct sk_buff *skb) type = NES_CM_EVENT_CONNECTED; cm_node->state = NES_CM_STATE_TSA; } - + send_ack(cm_node, NULL); break; default: WARN_ON(1); diff --git a/drivers/infiniband/hw/qedr/qedr_cm.c b/drivers/infiniband/hw/qedr/qedr_cm.c index 3d7705cec770..d86dbe814d98 100644 --- a/drivers/infiniband/hw/qedr/qedr_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_cm.c @@ -270,11 +270,13 @@ static inline int qedr_gsi_build_header(struct qedr_dev *dev, return rc; } - vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); - if (vlan_id < VLAN_CFI_MASK) - has_vlan = true; - if (sgid_attr.ndev) + if (sgid_attr.ndev) { + vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); + if (vlan_id < VLAN_CFI_MASK) + has_vlan = true; + dev_put(sgid_attr.ndev); + } if (!memcmp(&sgid, &zgid, sizeof(sgid))) { DP_ERR(dev, "gsi post send: GID not found GID index %d\n", diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c index fc8b88514da5..4ddbcac5eabe 100644 --- a/drivers/infiniband/hw/qib/qib_rc.c +++ b/drivers/infiniband/hw/qib/qib_rc.c @@ -1956,8 +1956,10 @@ send_last: ret = qib_get_rwqe(qp, 1); if (ret < 0) goto nack_op_err; - if (!ret) + if (!ret) { + rvt_put_ss(&qp->r_sge); goto rnr_nak; + } wc.ex.imm_data = ohdr->u.rc.imm_data; hdrsize += 4; wc.wc_flags = IB_WC_WITH_IMM; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c index 874b24366e4d..7871379342f4 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c @@ -178,7 +178,7 @@ static inline int ib_speed_enum_to_int(int speed) static int ipoib_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd) { - struct ipoib_dev_priv *priv = netdev_priv(netdev); + struct ipoib_dev_priv *priv = ipoib_priv(netdev); struct ib_port_attr attr; int ret, speed, width; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 2869d1adb1de..a115c0b7a310 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1590,7 +1590,7 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev) wait_for_completion(&priv->ntbl.deleted); } -void ipoib_dev_uninit_default(struct net_device *dev) +static void ipoib_dev_uninit_default(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index def723a5df29..2354c742caa1 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -320,7 +320,7 @@ static int srp_new_cm_id(struct srp_rdma_ch *ch) ch->path.sgid = target->sgid; ch->path.dgid = target->orig_dgid; ch->path.pkey = target->pkey; - sa_path_set_service_id(&ch->path, target->service_id); + ch->path.service_id = target->service_id; return 0; } @@ -575,7 +575,7 @@ static int srp_create_ch_ib(struct srp_rdma_ch *ch) return 0; err_qp: - srp_destroy_qp(ch, qp); + ib_destroy_qp(qp); err_send_cq: ib_free_cq(send_cq); diff --git a/drivers/input/keyboard/tm2-touchkey.c b/drivers/input/keyboard/tm2-touchkey.c index 485900f953e0..abc266e40e17 100644 --- a/drivers/input/keyboard/tm2-touchkey.c +++ b/drivers/input/keyboard/tm2-touchkey.c @@ -213,7 +213,7 @@ static int tm2_touchkey_probe(struct i2c_client *client, /* led device */ touchkey->led_dev.name = TM2_TOUCHKEY_DEV_NAME; touchkey->led_dev.brightness = LED_FULL; - touchkey->led_dev.max_brightness = LED_FULL; + touchkey->led_dev.max_brightness = LED_ON; touchkey->led_dev.brightness_set = tm2_touchkey_led_brightness_set; error = devm_led_classdev_register(&client->dev, &touchkey->led_dev); diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c index f11807db6979..400869e61a06 100644 --- a/drivers/input/misc/axp20x-pek.c +++ b/drivers/input/misc/axp20x-pek.c @@ -256,6 +256,42 @@ static int axp20x_pek_probe_input_device(struct axp20x_pek *axp20x_pek, return 0; } +#ifdef CONFIG_ACPI +static bool axp20x_pek_should_register_input(struct axp20x_pek *axp20x_pek, + struct platform_device *pdev) +{ + unsigned long long hrv = 0; + acpi_status status; + + if (IS_ENABLED(CONFIG_INPUT_SOC_BUTTON_ARRAY) && + axp20x_pek->axp20x->variant == AXP288_ID) { + status = acpi_evaluate_integer(ACPI_HANDLE(pdev->dev.parent), + "_HRV", NULL, &hrv); + if (ACPI_FAILURE(status)) + dev_err(&pdev->dev, "Failed to get PMIC hardware revision\n"); + + /* + * On Cherry Trail platforms (hrv == 3), do not register the + * input device if there is an "INTCFD9" or "ACPI0011" gpio + * button ACPI device, as that handles the power button too, + * and otherwise we end up reporting all presses twice. + */ + if (hrv == 3 && (acpi_dev_present("INTCFD9", NULL, -1) || + acpi_dev_present("ACPI0011", NULL, -1))) + return false; + + } + + return true; +} +#else +static bool axp20x_pek_should_register_input(struct axp20x_pek *axp20x_pek, + struct platform_device *pdev) +{ + return true; +} +#endif + static int axp20x_pek_probe(struct platform_device *pdev) { struct axp20x_pek *axp20x_pek; @@ -268,13 +304,7 @@ static int axp20x_pek_probe(struct platform_device *pdev) axp20x_pek->axp20x = dev_get_drvdata(pdev->dev.parent); - /* - * Do not register the input device if there is an "INTCFD9" - * gpio button ACPI device, that handles the power button too, - * and otherwise we end up reporting all presses twice. - */ - if (!acpi_dev_found("INTCFD9") || - !IS_ENABLED(CONFIG_INPUT_SOC_BUTTON_ARRAY)) { + if (axp20x_pek_should_register_input(axp20x_pek, pdev)) { error = axp20x_pek_probe_input_device(axp20x_pek, pdev); if (error) return error; diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c index a679e56c44cd..f431da07f861 100644 --- a/drivers/input/mouse/elan_i2c_i2c.c +++ b/drivers/input/mouse/elan_i2c_i2c.c @@ -554,32 +554,34 @@ static int elan_i2c_finish_fw_update(struct i2c_client *client, struct completion *completion) { struct device *dev = &client->dev; - long ret; int error; int len; - u8 buffer[ETP_I2C_INF_LENGTH]; + u8 buffer[ETP_I2C_REPORT_LEN]; + + len = i2c_master_recv(client, buffer, ETP_I2C_REPORT_LEN); + if (len != ETP_I2C_REPORT_LEN) { + error = len < 0 ? len : -EIO; + dev_warn(dev, "failed to read I2C data after FW WDT reset: %d (%d)\n", + error, len); + } reinit_completion(completion); enable_irq(client->irq); error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET); - if (!error) - ret = wait_for_completion_interruptible_timeout(completion, - msecs_to_jiffies(300)); - disable_irq(client->irq); - if (error) { dev_err(dev, "device reset failed: %d\n", error); - return error; - } else if (ret == 0) { + } else if (!wait_for_completion_timeout(completion, + msecs_to_jiffies(300))) { dev_err(dev, "timeout waiting for device reset\n"); - return -ETIMEDOUT; - } else if (ret < 0) { - error = ret; - dev_err(dev, "error waiting for device reset: %d\n", error); - return error; + error = -ETIMEDOUT; } + disable_irq(client->irq); + + if (error) + return error; + len = i2c_master_recv(client, buffer, ETP_I2C_INF_LENGTH); if (len != ETP_I2C_INF_LENGTH) { error = len < 0 ? len : -EIO; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 131df9d3660f..16c30460ef04 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -176,6 +176,12 @@ static const char * const smbus_pnp_ids[] = { NULL }; +static const char * const forcepad_pnp_ids[] = { + "SYN300D", + "SYN3014", + NULL +}; + /* * Send a command to the synpatics touchpad by special commands */ @@ -397,6 +403,8 @@ static int synaptics_query_hardware(struct psmouse *psmouse, { int error; + memset(info, 0, sizeof(*info)); + error = synaptics_identify(psmouse, info); if (error) return error; @@ -480,13 +488,6 @@ static const struct min_max_quirk min_max_pnpid_table[] = { { } }; -/* This list has been kindly provided by Synaptics. */ -static const char * const forcepad_pnp_ids[] = { - "SYN300D", - "SYN3014", - NULL -}; - /***************************************************************************** * Synaptics communications functions ****************************************************************************/ @@ -1687,7 +1688,8 @@ enum { SYNAPTICS_INTERTOUCH_ON, }; -static int synaptics_intertouch = SYNAPTICS_INTERTOUCH_NOT_SET; +static int synaptics_intertouch = IS_ENABLED(CONFIG_RMI4_SMB) ? + SYNAPTICS_INTERTOUCH_NOT_SET : SYNAPTICS_INTERTOUCH_OFF; module_param_named(synaptics_intertouch, synaptics_intertouch, int, 0644); MODULE_PARM_DESC(synaptics_intertouch, "Use a secondary bus for the Synaptics device."); @@ -1737,8 +1739,16 @@ static int synaptics_setup_intertouch(struct psmouse *psmouse, if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_NOT_SET) { if (!psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && - !psmouse_matches_pnp_id(psmouse, smbus_pnp_ids)) + !psmouse_matches_pnp_id(psmouse, smbus_pnp_ids)) { + + if (!psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) + psmouse_info(psmouse, + "Your touchpad (%s) says it can support a different bus. " + "If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@vger.kernel.org.\n", + psmouse->ps2dev.serio->firmware_id); + return -ENXIO; + } } psmouse_info(psmouse, "Trying to set up SMBus access\n"); @@ -1810,6 +1820,15 @@ int synaptics_init(struct psmouse *psmouse) } if (SYN_CAP_INTERTOUCH(info.ext_cap_0c)) { + if ((!IS_ENABLED(CONFIG_RMI4_SMB) || + !IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS)) && + /* Forcepads need F21, which is not ready */ + !psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) { + psmouse_warn(psmouse, + "The touchpad can support a better bus than the too old PS/2 protocol. " + "Make sure MOUSE_PS2_SYNAPTICS_SMBUS and RMI4_SMB are enabled to get a better touchpad experience.\n"); + } + error = synaptics_setup_intertouch(psmouse, &info, true); if (!error) return PSMOUSE_SYNAPTICS_SMBUS; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 2302aef2b2d4..dd042a9b0aaa 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -350,6 +350,7 @@ static bool mxt_object_readable(unsigned int type) case MXT_TOUCH_KEYARRAY_T15: case MXT_TOUCH_PROXIMITY_T23: case MXT_TOUCH_PROXKEY_T52: + case MXT_TOUCH_MULTITOUCHSCREEN_T100: case MXT_PROCI_GRIPFACE_T20: case MXT_PROCG_NOISE_T22: case MXT_PROCI_ONETOUCH_T24: diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 8cf8d8d5d4ef..f872817e81e4 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -471,7 +471,7 @@ static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN, static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET, M09_REGISTER_OFFSET, 0, 31); static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD, - M09_REGISTER_THRESHOLD, 20, 80); + M09_REGISTER_THRESHOLD, 0, 80); static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE, NO_REGISTER, 3, 14); diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c index 813dd68a5c82..0dbcf105f7db 100644 --- a/drivers/input/touchscreen/silead.c +++ b/drivers/input/touchscreen/silead.c @@ -526,6 +526,7 @@ static int __maybe_unused silead_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + disable_irq(client->irq); silead_ts_set_power(client, SILEAD_POWER_OFF); return 0; } @@ -551,6 +552,8 @@ static int __maybe_unused silead_ts_resume(struct device *dev) return -ENODEV; } + enable_irq(client->irq); + return 0; } diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index bf7419a56454..f4eace5ea184 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -485,10 +485,10 @@ void bitmap_print_sb(struct bitmap *bitmap) pr_debug(" magic: %08x\n", le32_to_cpu(sb->magic)); pr_debug(" version: %d\n", le32_to_cpu(sb->version)); pr_debug(" uuid: %08x.%08x.%08x.%08x\n", - *(__u32 *)(sb->uuid+0), - *(__u32 *)(sb->uuid+4), - *(__u32 *)(sb->uuid+8), - *(__u32 *)(sb->uuid+12)); + le32_to_cpu(*(__u32 *)(sb->uuid+0)), + le32_to_cpu(*(__u32 *)(sb->uuid+4)), + le32_to_cpu(*(__u32 *)(sb->uuid+8)), + le32_to_cpu(*(__u32 *)(sb->uuid+12))); pr_debug(" events: %llu\n", (unsigned long long) le64_to_cpu(sb->events)); pr_debug("events cleared: %llu\n", diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index cd8139593ccd..840c1496b2b1 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1334,7 +1334,7 @@ int dm_bufio_issue_flush(struct dm_bufio_client *c) { struct dm_io_request io_req = { .bi_op = REQ_OP_WRITE, - .bi_op_flags = REQ_PREFLUSH, + .bi_op_flags = REQ_PREFLUSH | REQ_SYNC, .mem.type = DM_IO_KMEM, .mem.ptr.addr = NULL, .client = c->dm_io, diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index c7f7c8d76576..7910bfe50da4 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -783,7 +783,8 @@ static void write_journal(struct dm_integrity_c *ic, unsigned commit_start, unsi for (i = 0; i < commit_sections; i++) rw_section_mac(ic, commit_start + i, true); } - rw_journal(ic, REQ_OP_WRITE, REQ_FUA, commit_start, commit_sections, &io_comp); + rw_journal(ic, REQ_OP_WRITE, REQ_FUA | REQ_SYNC, commit_start, + commit_sections, &io_comp); } else { unsigned to_end; io_comp.in_flight = (atomic_t)ATOMIC_INIT(2); @@ -2374,21 +2375,6 @@ static void dm_integrity_set(struct dm_target *ti, struct dm_integrity_c *ic) blk_queue_max_integrity_segments(disk->queue, UINT_MAX); } -/* FIXME: use new kvmalloc */ -static void *dm_integrity_kvmalloc(size_t size, gfp_t gfp) -{ - void *ptr = NULL; - - if (size <= PAGE_SIZE) - ptr = kmalloc(size, GFP_KERNEL | gfp); - if (!ptr && size <= KMALLOC_MAX_SIZE) - ptr = kmalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY | gfp); - if (!ptr) - ptr = __vmalloc(size, GFP_KERNEL | gfp, PAGE_KERNEL); - - return ptr; -} - static void dm_integrity_free_page_list(struct dm_integrity_c *ic, struct page_list *pl) { unsigned i; @@ -2407,7 +2393,7 @@ static struct page_list *dm_integrity_alloc_page_list(struct dm_integrity_c *ic) struct page_list *pl; unsigned i; - pl = dm_integrity_kvmalloc(page_list_desc_size, __GFP_ZERO); + pl = kvmalloc(page_list_desc_size, GFP_KERNEL | __GFP_ZERO); if (!pl) return NULL; @@ -2437,7 +2423,7 @@ static struct scatterlist **dm_integrity_alloc_journal_scatterlist(struct dm_int struct scatterlist **sl; unsigned i; - sl = dm_integrity_kvmalloc(ic->journal_sections * sizeof(struct scatterlist *), __GFP_ZERO); + sl = kvmalloc(ic->journal_sections * sizeof(struct scatterlist *), GFP_KERNEL | __GFP_ZERO); if (!sl) return NULL; @@ -2453,7 +2439,7 @@ static struct scatterlist **dm_integrity_alloc_journal_scatterlist(struct dm_int n_pages = (end_index - start_index + 1); - s = dm_integrity_kvmalloc(n_pages * sizeof(struct scatterlist), 0); + s = kvmalloc(n_pages * sizeof(struct scatterlist), GFP_KERNEL); if (!s) { dm_integrity_free_journal_scatterlist(ic, sl); return NULL; @@ -2617,7 +2603,7 @@ static int create_journal(struct dm_integrity_c *ic, char **error) goto bad; } - sg = dm_integrity_kvmalloc((ic->journal_pages + 1) * sizeof(struct scatterlist), 0); + sg = kvmalloc((ic->journal_pages + 1) * sizeof(struct scatterlist), GFP_KERNEL); if (!sg) { *error = "Unable to allocate sg list"; r = -ENOMEM; @@ -2673,7 +2659,7 @@ static int create_journal(struct dm_integrity_c *ic, char **error) r = -ENOMEM; goto bad; } - ic->sk_requests = dm_integrity_kvmalloc(ic->journal_sections * sizeof(struct skcipher_request *), __GFP_ZERO); + ic->sk_requests = kvmalloc(ic->journal_sections * sizeof(struct skcipher_request *), GFP_KERNEL | __GFP_ZERO); if (!ic->sk_requests) { *error = "Unable to allocate sk requests"; r = -ENOMEM; @@ -2740,7 +2726,7 @@ retest_commit_id: r = -ENOMEM; goto bad; } - ic->journal_tree = dm_integrity_kvmalloc(journal_tree_size, 0); + ic->journal_tree = kvmalloc(journal_tree_size, GFP_KERNEL); if (!ic->journal_tree) { *error = "Could not allocate memory for journal tree"; r = -ENOMEM; diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 0555b4410e05..41852ae287a5 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1710,12 +1710,13 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kern } /* - * Try to avoid low memory issues when a device is suspended. + * Use __GFP_HIGH to avoid low memory issues when a device is + * suspended and the ioctl is needed to resume it. * Use kmalloc() rather than vmalloc() when we can. */ dmi = NULL; noio_flag = memalloc_noio_save(); - dmi = kvmalloc(param_kernel->data_size, GFP_KERNEL); + dmi = kvmalloc(param_kernel->data_size, GFP_KERNEL | __GFP_HIGH); memalloc_noio_restore(noio_flag); if (!dmi) { diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index a95cbb80fb34..e61c45047c25 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -260,7 +260,7 @@ static int mirror_flush(struct dm_target *ti) struct mirror *m; struct dm_io_request io_req = { .bi_op = REQ_OP_WRITE, - .bi_op_flags = REQ_PREFLUSH, + .bi_op_flags = REQ_PREFLUSH | REQ_SYNC, .mem.type = DM_IO_KMEM, .mem.ptr.addr = NULL, .client = ms->io_client, diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index b93476c3ba3f..c5534d294773 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -741,7 +741,8 @@ static void persistent_commit_exception(struct dm_exception_store *store, /* * Commit exceptions to disk. */ - if (ps->valid && area_io(ps, REQ_OP_WRITE, REQ_PREFLUSH | REQ_FUA)) + if (ps->valid && area_io(ps, REQ_OP_WRITE, + REQ_PREFLUSH | REQ_FUA | REQ_SYNC)) ps->valid = 0; /* diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index 97de961a3bfc..1ec9b2c51c07 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -166,7 +166,7 @@ static int verity_hash_init(struct dm_verity *v, struct ahash_request *req, return r; } - if (likely(v->version >= 1)) + if (likely(v->salt_size && (v->version >= 1))) r = verity_hash_update(v, req, v->salt, v->salt_size, res); return r; @@ -177,7 +177,7 @@ static int verity_hash_final(struct dm_verity *v, struct ahash_request *req, { int r; - if (unlikely(!v->version)) { + if (unlikely(v->salt_size && (!v->version))) { r = verity_hash_update(v, req, v->salt, v->salt_size, res); if (r < 0) { diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6ef9500226c0..37ccd73c79ec 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1657,7 +1657,7 @@ static struct mapped_device *alloc_dev(int minor) bio_init(&md->flush_bio, NULL, 0); md->flush_bio.bi_bdev = md->bdev; - md->flush_bio.bi_opf = REQ_OP_WRITE | REQ_PREFLUSH; + md->flush_bio.bi_opf = REQ_OP_WRITE | REQ_PREFLUSH | REQ_SYNC; dm_stats_init(&md->stats); diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 7299ce2f08a8..03082e17c65c 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -1311,8 +1311,10 @@ static int add_new_disk(struct mddev *mddev, struct md_rdev *rdev) cmsg.raid_slot = cpu_to_le32(rdev->desc_nr); lock_comm(cinfo, 1); ret = __sendmsg(cinfo, &cmsg); - if (ret) + if (ret) { + unlock_comm(cinfo); return ret; + } cinfo->no_new_dev_lockres->flags |= DLM_LKF_NOQUEUE; ret = dlm_lock_sync(cinfo->no_new_dev_lockres, DLM_LOCK_EX); cinfo->no_new_dev_lockres->flags &= ~DLM_LKF_NOQUEUE; diff --git a/drivers/md/md.c b/drivers/md/md.c index 10367ffe92e3..212a6777ff31 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -765,7 +765,7 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, test_bit(FailFast, &rdev->flags) && !test_bit(LastDev, &rdev->flags)) ff = MD_FAILFAST; - bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH | REQ_FUA | ff; + bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH | REQ_FUA | ff; atomic_inc(&mddev->pending_writes); submit_bio(bio); diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 4c00bc248287..0a7af8b0a80a 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -1782,7 +1782,7 @@ static int r5l_log_write_empty_meta_block(struct r5l_log *log, sector_t pos, mb->checksum = cpu_to_le32(crc32c_le(log->uuid_checksum, mb, PAGE_SIZE)); if (!sync_page_io(log->rdev, pos, PAGE_SIZE, page, REQ_OP_WRITE, - REQ_FUA, false)) { + REQ_SYNC | REQ_FUA, false)) { __free_page(page); return -EIO; } @@ -2388,7 +2388,7 @@ r5c_recovery_rewrite_data_only_stripes(struct r5l_log *log, mb->checksum = cpu_to_le32(crc32c_le(log->uuid_checksum, mb, PAGE_SIZE)); sync_page_io(log->rdev, ctx->pos, PAGE_SIZE, page, - REQ_OP_WRITE, REQ_FUA, false); + REQ_OP_WRITE, REQ_SYNC | REQ_FUA, false); sh->log_start = ctx->pos; list_add_tail(&sh->r5c, &log->stripe_in_journal_list); atomic_inc(&log->stripe_in_journal_count); diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c index 5d25bebf3328..ccce92e68d7f 100644 --- a/drivers/md/raid5-ppl.c +++ b/drivers/md/raid5-ppl.c @@ -907,8 +907,8 @@ static int ppl_write_empty_header(struct ppl_log *log) pplhdr->checksum = cpu_to_le32(~crc32c_le(~0, pplhdr, PAGE_SIZE)); if (!sync_page_io(rdev, rdev->ppl.sector - rdev->data_offset, - PPL_HEADER_SIZE, page, REQ_OP_WRITE | REQ_FUA, 0, - false)) { + PPL_HEADER_SIZE, page, REQ_OP_WRITE | REQ_SYNC | + REQ_FUA, 0, false)) { md_error(rdev->mddev, rdev); ret = -EIO; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 9c4f7659f8b1..722064689e82 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4085,10 +4085,15 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh, set_bit(STRIPE_INSYNC, &sh->state); else { atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches); - if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) + if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) { /* don't try to repair!! */ set_bit(STRIPE_INSYNC, &sh->state); - else { + pr_warn_ratelimited("%s: mismatch sector in range " + "%llu-%llu\n", mdname(conf->mddev), + (unsigned long long) sh->sector, + (unsigned long long) sh->sector + + STRIPE_SECTORS); + } else { sh->check_state = check_state_compute_run; set_bit(STRIPE_COMPUTE_RUN, &sh->state); set_bit(STRIPE_OP_COMPUTE_BLK, &s->ops_request); @@ -4237,10 +4242,15 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh, } } else { atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches); - if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) + if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) { /* don't try to repair!! */ set_bit(STRIPE_INSYNC, &sh->state); - else { + pr_warn_ratelimited("%s: mismatch sector in range " + "%llu-%llu\n", mdname(conf->mddev), + (unsigned long long) sh->sector, + (unsigned long long) sh->sector + + STRIPE_SECTORS); + } else { int *target = &sh->ops.target; sh->ops.target = -1; diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index b72edd27f880..55d9c2b82b7e 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -2,6 +2,12 @@ # Multimedia device configuration # +config CEC_CORE + tristate + +config CEC_NOTIFIER + bool + menuconfig MEDIA_SUPPORT tristate "Multimedia support" depends on HAS_IOMEM diff --git a/drivers/media/Makefile b/drivers/media/Makefile index 523fea3648ad..044503aa8801 100644 --- a/drivers/media/Makefile +++ b/drivers/media/Makefile @@ -4,8 +4,6 @@ media-objs := media-device.o media-devnode.o media-entity.o -obj-$(CONFIG_CEC_CORE) += cec/ - # # I2C drivers should come before other drivers, otherwise they'll fail # when compiled as builtin drivers @@ -26,6 +24,8 @@ obj-$(CONFIG_DVB_CORE) += dvb-core/ # There are both core and drivers at RC subtree - merge before drivers obj-y += rc/ +obj-$(CONFIG_CEC_CORE) += cec/ + # # Finally, merge the drivers that require the core # diff --git a/drivers/media/cec/Kconfig b/drivers/media/cec/Kconfig index f944d93e3167..4e25a950ae6f 100644 --- a/drivers/media/cec/Kconfig +++ b/drivers/media/cec/Kconfig @@ -1,19 +1,5 @@ -config CEC_CORE - tristate - depends on MEDIA_CEC_SUPPORT - default y - -config MEDIA_CEC_NOTIFIER - bool - config MEDIA_CEC_RC bool "HDMI CEC RC integration" depends on CEC_CORE && RC_CORE ---help--- Pass on CEC remote control messages to the RC framework. - -config MEDIA_CEC_DEBUG - bool "HDMI CEC debugfs interface" - depends on CEC_CORE && DEBUG_FS - ---help--- - Turns on the DebugFS interface for CEC devices. diff --git a/drivers/media/cec/Makefile b/drivers/media/cec/Makefile index 402a6c62a3e8..eaf408e64669 100644 --- a/drivers/media/cec/Makefile +++ b/drivers/media/cec/Makefile @@ -1,6 +1,6 @@ cec-objs := cec-core.o cec-adap.o cec-api.o cec-edid.o -ifeq ($(CONFIG_MEDIA_CEC_NOTIFIER),y) +ifeq ($(CONFIG_CEC_NOTIFIER),y) cec-objs += cec-notifier.o endif diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index f5fe01c9da8a..9dfc79800c71 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1864,7 +1864,7 @@ void cec_monitor_all_cnt_dec(struct cec_adapter *adap) WARN_ON(call_op(adap, adap_monitor_all_enable, 0)); } -#ifdef CONFIG_MEDIA_CEC_DEBUG +#ifdef CONFIG_DEBUG_FS /* * Log the current state of the CEC adapter. * Very useful for debugging. diff --git a/drivers/media/cec/cec-core.c b/drivers/media/cec/cec-core.c index f9ebff90f8eb..2f87748ba4fc 100644 --- a/drivers/media/cec/cec-core.c +++ b/drivers/media/cec/cec-core.c @@ -187,7 +187,7 @@ static void cec_devnode_unregister(struct cec_devnode *devnode) put_device(&devnode->dev); } -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#ifdef CONFIG_CEC_NOTIFIER static void cec_cec_notify(struct cec_adapter *adap, u16 pa) { cec_s_phys_addr(adap, pa, false); @@ -323,7 +323,7 @@ int cec_register_adapter(struct cec_adapter *adap, } dev_set_drvdata(&adap->devnode.dev, adap); -#ifdef CONFIG_MEDIA_CEC_DEBUG +#ifdef CONFIG_DEBUG_FS if (!top_cec_dir) return 0; @@ -355,7 +355,7 @@ void cec_unregister_adapter(struct cec_adapter *adap) adap->rc = NULL; #endif debugfs_remove_recursive(adap->cec_dir); -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#ifdef CONFIG_CEC_NOTIFIER if (adap->notifier) cec_notifier_unregister(adap->notifier); #endif @@ -395,7 +395,7 @@ static int __init cec_devnode_init(void) return ret; } -#ifdef CONFIG_MEDIA_CEC_DEBUG +#ifdef CONFIG_DEBUG_FS top_cec_dir = debugfs_create_dir("cec", NULL); if (IS_ERR_OR_NULL(top_cec_dir)) { pr_warn("cec: Failed to create debugfs cec dir\n"); diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index fd181c99ce11..aaa9471c7d11 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -220,7 +220,8 @@ config VIDEO_ADV7604 config VIDEO_ADV7604_CEC bool "Enable Analog Devices ADV7604 CEC support" - depends on VIDEO_ADV7604 && CEC_CORE + depends on VIDEO_ADV7604 + select CEC_CORE ---help--- When selected the adv7604 will support the optional HDMI CEC feature. @@ -240,7 +241,8 @@ config VIDEO_ADV7842 config VIDEO_ADV7842_CEC bool "Enable Analog Devices ADV7842 CEC support" - depends on VIDEO_ADV7842 && CEC_CORE + depends on VIDEO_ADV7842 + select CEC_CORE ---help--- When selected the adv7842 will support the optional HDMI CEC feature. @@ -478,7 +480,8 @@ config VIDEO_ADV7511 config VIDEO_ADV7511_CEC bool "Enable Analog Devices ADV7511 CEC support" - depends on VIDEO_ADV7511 && CEC_CORE + depends on VIDEO_ADV7511 + select CEC_CORE ---help--- When selected the adv7511 will support the optional HDMI CEC feature. diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index ac026ee1ca07..041cb80a26b1 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -501,8 +501,9 @@ if CEC_PLATFORM_DRIVERS config VIDEO_SAMSUNG_S5P_CEC tristate "Samsung S5P CEC driver" - depends on CEC_CORE && (PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST) - select MEDIA_CEC_NOTIFIER + depends on PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST + select CEC_CORE + select CEC_NOTIFIER ---help--- This is a driver for Samsung S5P HDMI CEC interface. It uses the generic CEC framework interface. @@ -511,8 +512,9 @@ config VIDEO_SAMSUNG_S5P_CEC config VIDEO_STI_HDMI_CEC tristate "STMicroelectronics STiH4xx HDMI CEC driver" - depends on CEC_CORE && (ARCH_STI || COMPILE_TEST) - select MEDIA_CEC_NOTIFIER + depends on ARCH_STI || COMPILE_TEST + select CEC_CORE + select CEC_NOTIFIER ---help--- This is a driver for STIH4xx HDMI CEC interface. It uses the generic CEC framework interface. diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c index 57a842ff3097..b7731b18ecae 100644 --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c @@ -493,10 +493,10 @@ static int vdec_h264_get_param(unsigned long h_vdec, } static struct vdec_common_if vdec_h264_if = { - vdec_h264_init, - vdec_h264_decode, - vdec_h264_get_param, - vdec_h264_deinit, + .init = vdec_h264_init, + .decode = vdec_h264_decode, + .get_param = vdec_h264_get_param, + .deinit = vdec_h264_deinit, }; struct vdec_common_if *get_h264_dec_comm_if(void); diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c index 6e7a62ae0842..b9fad6a48879 100644 --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c @@ -620,10 +620,10 @@ static void vdec_vp8_deinit(unsigned long h_vdec) } static struct vdec_common_if vdec_vp8_if = { - vdec_vp8_init, - vdec_vp8_decode, - vdec_vp8_get_param, - vdec_vp8_deinit, + .init = vdec_vp8_init, + .decode = vdec_vp8_decode, + .get_param = vdec_vp8_get_param, + .deinit = vdec_vp8_deinit, }; struct vdec_common_if *get_vp8_dec_comm_if(void); diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c index 5539b1853f16..1daee1207469 100644 --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c @@ -979,10 +979,10 @@ static int vdec_vp9_get_param(unsigned long h_vdec, } static struct vdec_common_if vdec_vp9_if = { - vdec_vp9_init, - vdec_vp9_decode, - vdec_vp9_get_param, - vdec_vp9_deinit, + .init = vdec_vp9_init, + .decode = vdec_vp9_decode, + .get_param = vdec_vp9_get_param, + .deinit = vdec_vp9_deinit, }; struct vdec_common_if *get_vp9_dec_comm_if(void); diff --git a/drivers/media/platform/vivid/Kconfig b/drivers/media/platform/vivid/Kconfig index b36ac19dc6e4..154de92dd809 100644 --- a/drivers/media/platform/vivid/Kconfig +++ b/drivers/media/platform/vivid/Kconfig @@ -26,7 +26,8 @@ config VIDEO_VIVID config VIDEO_VIVID_CEC bool "Enable CEC emulation support" - depends on VIDEO_VIVID && CEC_CORE + depends on VIDEO_VIVID + select CEC_CORE ---help--- When selected the vivid module will emulate the optional HDMI CEC feature. diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index 90f66dc7c0d7..a2fc1a1d58b0 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -211,7 +211,7 @@ EXPORT_SYMBOL_GPL(ir_raw_event_set_idle); */ void ir_raw_event_handle(struct rc_dev *dev) { - if (!dev->raw) + if (!dev->raw || !dev->raw->thread) return; wake_up_process(dev->raw->thread); @@ -490,6 +490,7 @@ int ir_raw_event_register(struct rc_dev *dev) { int rc; struct ir_raw_handler *handler; + struct task_struct *thread; if (!dev) return -EINVAL; @@ -507,13 +508,15 @@ int ir_raw_event_register(struct rc_dev *dev) * because the event is coming from userspace */ if (dev->driver_type != RC_DRIVER_IR_RAW_TX) { - dev->raw->thread = kthread_run(ir_raw_event_thread, dev->raw, - "rc%u", dev->minor); + thread = kthread_run(ir_raw_event_thread, dev->raw, "rc%u", + dev->minor); - if (IS_ERR(dev->raw->thread)) { - rc = PTR_ERR(dev->raw->thread); + if (IS_ERR(thread)) { + rc = PTR_ERR(thread); goto out; } + + dev->raw->thread = thread; } mutex_lock(&ir_raw_handler_lock); diff --git a/drivers/media/usb/pulse8-cec/Kconfig b/drivers/media/usb/pulse8-cec/Kconfig index 8937f3986a01..18ead44824ba 100644 --- a/drivers/media/usb/pulse8-cec/Kconfig +++ b/drivers/media/usb/pulse8-cec/Kconfig @@ -1,6 +1,7 @@ config USB_PULSE8_CEC tristate "Pulse Eight HDMI CEC" - depends on USB_ACM && CEC_CORE + depends on USB_ACM + select CEC_CORE select SERIO select SERIO_SERPORT ---help--- diff --git a/drivers/media/usb/rainshadow-cec/Kconfig b/drivers/media/usb/rainshadow-cec/Kconfig index 3eb86607efb8..030ef01b1ff0 100644 --- a/drivers/media/usb/rainshadow-cec/Kconfig +++ b/drivers/media/usb/rainshadow-cec/Kconfig @@ -1,6 +1,7 @@ config USB_RAINSHADOW_CEC tristate "RainShadow Tech HDMI CEC" - depends on USB_ACM && CEC_CORE + depends on USB_ACM + select CEC_CORE select SERIO select SERIO_SERPORT ---help--- diff --git a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c index 541ca543f71f..71bd68548c9c 100644 --- a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c +++ b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c @@ -119,7 +119,7 @@ static void rain_irq_work_handler(struct work_struct *work) while (true) { unsigned long flags; - bool exit_loop; + bool exit_loop = false; char data; spin_lock_irqsave(&rain->buf_lock, flags); diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h index c862cd4583cc..b8069eec18cb 100644 --- a/drivers/misc/sgi-xp/xp.h +++ b/drivers/misc/sgi-xp/xp.h @@ -309,6 +309,9 @@ static inline enum xp_retval xpc_send(short partid, int ch_number, u32 flags, void *payload, u16 payload_size) { + if (!xpc_interface.send) + return xpNotLoaded; + return xpc_interface.send(partid, ch_number, flags, payload, payload_size); } @@ -317,6 +320,9 @@ static inline enum xp_retval xpc_send_notify(short partid, int ch_number, u32 flags, void *payload, u16 payload_size, xpc_notify_func func, void *key) { + if (!xpc_interface.send_notify) + return xpNotLoaded; + return xpc_interface.send_notify(partid, ch_number, flags, payload, payload_size, func, key); } @@ -324,12 +330,16 @@ xpc_send_notify(short partid, int ch_number, u32 flags, void *payload, static inline void xpc_received(short partid, int ch_number, void *payload) { - return xpc_interface.received(partid, ch_number, payload); + if (xpc_interface.received) + xpc_interface.received(partid, ch_number, payload); } static inline enum xp_retval xpc_partid_to_nasids(short partid, void *nasids) { + if (!xpc_interface.partid_to_nasids) + return xpNotLoaded; + return xpc_interface.partid_to_nasids(partid, nasids); } diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c index 01be66d02ca8..6d7f557fd1c1 100644 --- a/drivers/misc/sgi-xp/xp_main.c +++ b/drivers/misc/sgi-xp/xp_main.c @@ -69,23 +69,9 @@ struct xpc_registration xpc_registrations[XPC_MAX_NCHANNELS]; EXPORT_SYMBOL_GPL(xpc_registrations); /* - * Initialize the XPC interface to indicate that XPC isn't loaded. + * Initialize the XPC interface to NULL to indicate that XPC isn't loaded. */ -static enum xp_retval -xpc_notloaded(void) -{ - return xpNotLoaded; -} - -struct xpc_interface xpc_interface = { - (void (*)(int))xpc_notloaded, - (void (*)(int))xpc_notloaded, - (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded, - (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func, - void *))xpc_notloaded, - (void (*)(short, int, void *))xpc_notloaded, - (enum xp_retval(*)(short, void *))xpc_notloaded -}; +struct xpc_interface xpc_interface = { }; EXPORT_SYMBOL_GPL(xpc_interface); /* @@ -115,17 +101,7 @@ EXPORT_SYMBOL_GPL(xpc_set_interface); void xpc_clear_interface(void) { - xpc_interface.connect = (void (*)(int))xpc_notloaded; - xpc_interface.disconnect = (void (*)(int))xpc_notloaded; - xpc_interface.send = (enum xp_retval(*)(short, int, u32, void *, u16)) - xpc_notloaded; - xpc_interface.send_notify = (enum xp_retval(*)(short, int, u32, void *, - u16, xpc_notify_func, - void *))xpc_notloaded; - xpc_interface.received = (void (*)(short, int, void *)) - xpc_notloaded; - xpc_interface.partid_to_nasids = (enum xp_retval(*)(short, void *)) - xpc_notloaded; + memset(&xpc_interface, 0, sizeof(xpc_interface)); } EXPORT_SYMBOL_GPL(xpc_clear_interface); @@ -188,7 +164,8 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size, mutex_unlock(®istration->mutex); - xpc_interface.connect(ch_number); + if (xpc_interface.connect) + xpc_interface.connect(ch_number); return xpSuccess; } @@ -237,7 +214,8 @@ xpc_disconnect(int ch_number) registration->assigned_limit = 0; registration->idle_limit = 0; - xpc_interface.disconnect(ch_number); + if (xpc_interface.disconnect) + xpc_interface.disconnect(ch_number); mutex_unlock(®istration->mutex); diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index d474378ed810..b1dd12729f19 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -202,7 +202,7 @@ static int nand_ooblayout_free_lp_hamming(struct mtd_info *mtd, int section, return 0; } -const struct mtd_ooblayout_ops nand_ooblayout_lp_hamming_ops = { +static const struct mtd_ooblayout_ops nand_ooblayout_lp_hamming_ops = { .ecc = nand_ooblayout_ecc_lp_hamming, .free = nand_ooblayout_free_lp_hamming, }; @@ -4361,7 +4361,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, /* Initialize the ->data_interface field. */ ret = nand_init_data_interface(chip); if (ret) - return ret; + goto err_nand_init; /* * Setup the data interface correctly on the chip and controller side. @@ -4373,7 +4373,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, */ ret = nand_setup_data_interface(chip); if (ret) - return ret; + goto err_nand_init; nand_maf_id = chip->id.data[0]; nand_dev_id = chip->id.data[1]; @@ -4404,6 +4404,12 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, mtd->size = i * chip->chipsize; return 0; + +err_nand_init: + /* Free manufacturer priv data. */ + nand_manufacturer_cleanup(chip); + + return ret; } EXPORT_SYMBOL(nand_scan_ident); @@ -4574,18 +4580,23 @@ int nand_scan_tail(struct mtd_info *mtd) /* New bad blocks should be marked in OOB, flash-based BBT, or both */ if (WARN_ON((chip->bbt_options & NAND_BBT_NO_OOB_BBM) && - !(chip->bbt_options & NAND_BBT_USE_FLASH))) - return -EINVAL; + !(chip->bbt_options & NAND_BBT_USE_FLASH))) { + ret = -EINVAL; + goto err_ident; + } if (invalid_ecc_page_accessors(chip)) { pr_err("Invalid ECC page accessors setup\n"); - return -EINVAL; + ret = -EINVAL; + goto err_ident; } if (!(chip->options & NAND_OWN_BUFFERS)) { nbuf = kzalloc(sizeof(*nbuf), GFP_KERNEL); - if (!nbuf) - return -ENOMEM; + if (!nbuf) { + ret = -ENOMEM; + goto err_ident; + } nbuf->ecccalc = kmalloc(mtd->oobsize, GFP_KERNEL); if (!nbuf->ecccalc) { @@ -4608,8 +4619,10 @@ int nand_scan_tail(struct mtd_info *mtd) chip->buffers = nbuf; } else { - if (!chip->buffers) - return -ENOMEM; + if (!chip->buffers) { + ret = -ENOMEM; + goto err_ident; + } } /* Set the internal oob buffer location, just after the page data */ @@ -4842,7 +4855,11 @@ int nand_scan_tail(struct mtd_info *mtd) return 0; /* Build bad block table */ - return chip->scan_bbt(mtd); + ret = chip->scan_bbt(mtd); + if (ret) + goto err_free; + return 0; + err_free: if (nbuf) { kfree(nbuf->databuf); @@ -4850,6 +4867,13 @@ err_free: kfree(nbuf->ecccalc); kfree(nbuf); } + +err_ident: + /* Clean up nand_scan_ident(). */ + + /* Free manufacturer priv data. */ + nand_manufacturer_cleanup(chip); + return ret; } EXPORT_SYMBOL(nand_scan_tail); diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c index 9d5ca0e540b5..92e2cf8e9ff9 100644 --- a/drivers/mtd/nand/nand_ids.c +++ b/drivers/mtd/nand/nand_ids.c @@ -6,7 +6,6 @@ * published by the Free Software Foundation. * */ -#include <linux/module.h> #include <linux/mtd/nand.h> #include <linux/sizes.h> diff --git a/drivers/mtd/nand/nand_samsung.c b/drivers/mtd/nand/nand_samsung.c index 9cfc4035a420..1e0755997762 100644 --- a/drivers/mtd/nand/nand_samsung.c +++ b/drivers/mtd/nand/nand_samsung.c @@ -84,6 +84,9 @@ static void samsung_nand_decode_id(struct nand_chip *chip) case 7: chip->ecc_strength_ds = 60; break; + default: + WARN(1, "Could not decode ECC info"); + chip->ecc_step_ds = 0; } } } else { diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c index 05b6e1065203..49b286c6c10f 100644 --- a/drivers/mtd/nand/tango_nand.c +++ b/drivers/mtd/nand/tango_nand.c @@ -55,10 +55,10 @@ * byte 1 for other packets in the page (PKT_N, for N > 0) * ERR_COUNT_PKT_N is the max error count over all but the first packet. */ -#define DECODE_OK_PKT_0(v) ((v) & BIT(7)) -#define DECODE_OK_PKT_N(v) ((v) & BIT(15)) #define ERR_COUNT_PKT_0(v) (((v) >> 0) & 0x3f) #define ERR_COUNT_PKT_N(v) (((v) >> 8) & 0x3f) +#define DECODE_FAIL_PKT_0(v) (((v) & BIT(7)) == 0) +#define DECODE_FAIL_PKT_N(v) (((v) & BIT(15)) == 0) /* Offsets relative to pbus_base */ #define PBUS_CS_CTRL 0x83c @@ -193,6 +193,8 @@ static int check_erased_page(struct nand_chip *chip, u8 *buf) chip->ecc.strength); if (res < 0) mtd->ecc_stats.failed++; + else + mtd->ecc_stats.corrected += res; bitflips = max(res, bitflips); buf += pkt_size; @@ -202,9 +204,11 @@ static int check_erased_page(struct nand_chip *chip, u8 *buf) return bitflips; } -static int decode_error_report(struct tango_nfc *nfc) +static int decode_error_report(struct nand_chip *chip) { u32 status, res; + struct mtd_info *mtd = nand_to_mtd(chip); + struct tango_nfc *nfc = to_tango_nfc(chip->controller); status = readl_relaxed(nfc->reg_base + NFC_XFER_STATUS); if (status & PAGE_IS_EMPTY) @@ -212,10 +216,14 @@ static int decode_error_report(struct tango_nfc *nfc) res = readl_relaxed(nfc->mem_base + ERROR_REPORT); - if (DECODE_OK_PKT_0(res) && DECODE_OK_PKT_N(res)) - return max(ERR_COUNT_PKT_0(res), ERR_COUNT_PKT_N(res)); + if (DECODE_FAIL_PKT_0(res) || DECODE_FAIL_PKT_N(res)) + return -EBADMSG; + + /* ERR_COUNT_PKT_N is max, not sum, but that's all we have */ + mtd->ecc_stats.corrected += + ERR_COUNT_PKT_0(res) + ERR_COUNT_PKT_N(res); - return -EBADMSG; + return max(ERR_COUNT_PKT_0(res), ERR_COUNT_PKT_N(res)); } static void tango_dma_callback(void *arg) @@ -282,7 +290,7 @@ static int tango_read_page(struct mtd_info *mtd, struct nand_chip *chip, if (err) return err; - res = decode_error_report(nfc); + res = decode_error_report(chip); if (res < 0) { chip->ecc.read_oob_raw(mtd, chip, page); res = check_erased_page(chip, buf); @@ -663,6 +671,7 @@ static const struct of_device_id tango_nand_ids[] = { { .compatible = "sigma,smp8758-nand" }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, tango_nand_ids); static struct platform_driver tango_nand_driver = { .probe = tango_nand_probe, diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c index 34c862f213c7..0a9b78705ee8 100644 --- a/drivers/perf/arm_pmu_acpi.c +++ b/drivers/perf/arm_pmu_acpi.c @@ -29,6 +29,17 @@ static int arm_pmu_acpi_register_irq(int cpu) return -EINVAL; gsi = gicc->performance_interrupt; + + /* + * Per the ACPI spec, the MADT cannot describe a PMU that doesn't + * have an interrupt. QEMU advertises this by using a GSI of zero, + * which is not known to be valid on any hardware despite being + * valid per the spec. Take the pragmatic approach and reject a + * GSI of zero for now. + */ + if (!gsi) + return 0; + if (gicc->flags & ACPI_MADT_PERFORMANCE_IRQ_MODE) trigger = ACPI_EDGE_SENSITIVE; else diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 1653cbda6a82..bd459a93b0e7 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -680,30 +680,16 @@ EXPORT_SYMBOL_GPL(pinctrl_generic_remove_group); * pinctrl_generic_free_groups() - removes all pin groups * @pctldev: pin controller device * - * Note that the caller must take care of locking. + * Note that the caller must take care of locking. The pinctrl groups + * are allocated with devm_kzalloc() so no need to free them here. */ static void pinctrl_generic_free_groups(struct pinctrl_dev *pctldev) { struct radix_tree_iter iter; - struct group_desc *group; - unsigned long *indices; void **slot; - int i = 0; - - indices = devm_kzalloc(pctldev->dev, sizeof(*indices) * - pctldev->num_groups, GFP_KERNEL); - if (!indices) - return; radix_tree_for_each_slot(slot, &pctldev->pin_group_tree, &iter, 0) - indices[i++] = iter.index; - - for (i = 0; i < pctldev->num_groups; i++) { - group = radix_tree_lookup(&pctldev->pin_group_tree, - indices[i]); - radix_tree_delete(&pctldev->pin_group_tree, indices[i]); - devm_kfree(pctldev->dev, group); - } + radix_tree_delete(&pctldev->pin_group_tree, iter.index); pctldev->num_groups = 0; } diff --git a/drivers/pinctrl/freescale/pinctrl-mxs.c b/drivers/pinctrl/freescale/pinctrl-mxs.c index 41b5b07d5a2b..6852010a6d70 100644 --- a/drivers/pinctrl/freescale/pinctrl-mxs.c +++ b/drivers/pinctrl/freescale/pinctrl-mxs.c @@ -194,6 +194,16 @@ static int mxs_pinctrl_get_func_groups(struct pinctrl_dev *pctldev, return 0; } +static void mxs_pinctrl_rmwl(u32 value, u32 mask, u8 shift, void __iomem *reg) +{ + u32 tmp; + + tmp = readl(reg); + tmp &= ~(mask << shift); + tmp |= value << shift; + writel(tmp, reg); +} + static int mxs_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned selector, unsigned group) { @@ -211,8 +221,7 @@ static int mxs_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned selector, reg += bank * 0x20 + pin / 16 * 0x10; shift = pin % 16 * 2; - writel(0x3 << shift, reg + CLR); - writel(g->muxsel[i] << shift, reg + SET); + mxs_pinctrl_rmwl(g->muxsel[i], 0x3, shift, reg); } return 0; @@ -279,8 +288,7 @@ static int mxs_pinconf_group_set(struct pinctrl_dev *pctldev, /* mA */ if (config & MA_PRESENT) { shift = pin % 8 * 4; - writel(0x3 << shift, reg + CLR); - writel(ma << shift, reg + SET); + mxs_pinctrl_rmwl(ma, 0x3, shift, reg); } /* vol */ diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 2debba62fac9..20f1b4493994 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1539,15 +1539,29 @@ static void chv_gpio_irq_handler(struct irq_desc *desc) * is not listed below. */ static const struct dmi_system_id chv_no_valid_mask[] = { + /* See https://bugzilla.kernel.org/show_bug.cgi?id=194945 */ { - /* See https://bugzilla.kernel.org/show_bug.cgi?id=194945 */ - .ident = "Acer Chromebook (CYAN)", + .ident = "Intel_Strago based Chromebooks (All models)", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), - DMI_MATCH(DMI_PRODUCT_NAME, "Edgar"), - DMI_MATCH(DMI_BIOS_DATE, "05/21/2016"), + DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"), }, - } + }, + { + .ident = "Acer Chromebook R11 (Cyan)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Cyan"), + }, + }, + { + .ident = "Samsung Chromebook 3 (Celes)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Celes"), + }, + }, + {} }; static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c index 0d6b7f4b82af..720a19fd38d2 100644 --- a/drivers/pinctrl/pinconf-generic.c +++ b/drivers/pinctrl/pinconf-generic.c @@ -35,7 +35,6 @@ static const struct pin_config_item conf_items[] = { PCONFDUMP(PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, "input bias pull to pin specific state", NULL, false), PCONFDUMP(PIN_CONFIG_BIAS_PULL_UP, "input bias pull up", NULL, false), - PCONFDUMP(PIN_CONFIG_BIDIRECTIONAL, "bi-directional pin operations", NULL, false), PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_DRAIN, "output drive open drain", NULL, false), PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_SOURCE, "output drive open source", NULL, false), PCONFDUMP(PIN_CONFIG_DRIVE_PUSH_PULL, "output drive push pull", NULL, false), @@ -161,7 +160,6 @@ static const struct pinconf_generic_params dt_params[] = { { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, { "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 1 }, { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, - { "bi-directional", PIN_CONFIG_BIDIRECTIONAL, 1 }, { "drive-open-drain", PIN_CONFIG_DRIVE_OPEN_DRAIN, 0 }, { "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 }, { "drive-push-pull", PIN_CONFIG_DRIVE_PUSH_PULL, 0 }, @@ -174,7 +172,6 @@ static const struct pinconf_generic_params dt_params[] = { { "input-schmitt-enable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 1 }, { "low-power-disable", PIN_CONFIG_LOW_POWER_MODE, 0 }, { "low-power-enable", PIN_CONFIG_LOW_POWER_MODE, 1 }, - { "output-enable", PIN_CONFIG_OUTPUT, 1, }, { "output-high", PIN_CONFIG_OUTPUT, 1, }, { "output-low", PIN_CONFIG_OUTPUT, 0, }, { "power-source", PIN_CONFIG_POWER_SOURCE, 0 }, diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c index 9fd6d9087dc5..16b3ae5e4f44 100644 --- a/drivers/pinctrl/pinmux.c +++ b/drivers/pinctrl/pinmux.c @@ -826,30 +826,17 @@ EXPORT_SYMBOL_GPL(pinmux_generic_remove_function); * pinmux_generic_free_functions() - removes all functions * @pctldev: pin controller device * - * Note that the caller must take care of locking. + * Note that the caller must take care of locking. The pinctrl + * functions are allocated with devm_kzalloc() so no need to free + * them here. */ void pinmux_generic_free_functions(struct pinctrl_dev *pctldev) { struct radix_tree_iter iter; - struct function_desc *function; - unsigned long *indices; void **slot; - int i = 0; - - indices = devm_kzalloc(pctldev->dev, sizeof(*indices) * - pctldev->num_functions, GFP_KERNEL); - if (!indices) - return; radix_tree_for_each_slot(slot, &pctldev->pin_function_tree, &iter, 0) - indices[i++] = iter.index; - - for (i = 0; i < pctldev->num_functions; i++) { - function = radix_tree_lookup(&pctldev->pin_function_tree, - indices[i]); - radix_tree_delete(&pctldev->pin_function_tree, indices[i]); - devm_kfree(pctldev->dev, function); - } + radix_tree_delete(&pctldev->pin_function_tree, iter.index); pctldev->num_functions = 0; } diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c index 9aec1d2232dd..6624499eae72 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c @@ -394,7 +394,7 @@ static const struct sunxi_desc_pin sun8i_a83t_pins[] = { SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 18), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), - SUNXI_FUNCTION(0x3, "owa")), /* DOUT */ + SUNXI_FUNCTION(0x3, "spdif")), /* DOUT */ SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 19), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out")), diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index bd7d39ecbd24..fb06974c88c1 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -1873,6 +1873,11 @@ int cxgbi_conn_alloc_pdu(struct iscsi_task *task, u8 opcode) tcp_task->dd_data = tdata; task->hdr = NULL; + if (tdata->skb) { + kfree_skb(tdata->skb); + tdata->skb = NULL; + } + if (SKB_MAX_HEAD(cdev->skb_tx_rsvd) > (512 * MAX_SKB_FRAGS) && (opcode == ISCSI_OP_SCSI_DATA_OUT || (opcode == ISCSI_OP_SCSI_CMD && @@ -1890,6 +1895,7 @@ int cxgbi_conn_alloc_pdu(struct iscsi_task *task, u8 opcode) return -ENOMEM; } + skb_get(tdata->skb); skb_reserve(tdata->skb, cdev->skb_tx_rsvd); task->hdr = (struct iscsi_hdr *)tdata->skb->data; task->hdr_max = SKB_TX_ISCSI_PDU_HEADER_MAX; /* BHS + AHS */ @@ -2035,9 +2041,9 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) unsigned int datalen; int err; - if (!skb) { + if (!skb || cxgbi_skcb_test_flag(skb, SKCBF_TX_DONE)) { log_debug(1 << CXGBI_DBG_ISCSI | 1 << CXGBI_DBG_PDU_TX, - "task 0x%p, skb NULL.\n", task); + "task 0x%p, skb 0x%p\n", task, skb); return 0; } @@ -2050,7 +2056,6 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) } datalen = skb->data_len; - tdata->skb = NULL; /* write ppod first if using ofldq to write ppod */ if (ttinfo->flags & CXGBI_PPOD_INFO_FLAG_VALID) { @@ -2078,6 +2083,7 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) pdulen += ISCSI_DIGEST_SIZE; task->conn->txdata_octets += pdulen; + cxgbi_skcb_set_flag(skb, SKCBF_TX_DONE); return 0; } @@ -2086,7 +2092,6 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) "task 0x%p, skb 0x%p, len %u/%u, %d EAGAIN.\n", task, skb, skb->len, skb->data_len, err); /* reset skb to send when we are called again */ - tdata->skb = skb; return err; } @@ -2094,7 +2099,8 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) "itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", task->itt, skb, skb->len, skb->data_len, err); - kfree_skb(skb); + __kfree_skb(tdata->skb); + tdata->skb = NULL; iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); @@ -2113,8 +2119,10 @@ void cxgbi_cleanup_task(struct iscsi_task *task) tcp_task->dd_data = NULL; /* never reached the xmit task callout */ - if (tdata->skb) - __kfree_skb(tdata->skb); + if (tdata->skb) { + kfree_skb(tdata->skb); + tdata->skb = NULL; + } task_release_itt(task, task->hdr_itt); memset(tdata, 0, sizeof(*tdata)); @@ -2714,6 +2722,9 @@ EXPORT_SYMBOL_GPL(cxgbi_attr_is_visible); static int __init libcxgbi_init_module(void) { pr_info("%s", version); + + BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, cb) < + sizeof(struct cxgbi_skb_cb)); return 0; } diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 18e0ea83d361..239462a75760 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -195,7 +195,8 @@ struct cxgbi_skb_rx_cb { }; struct cxgbi_skb_tx_cb { - void *l2t; + void *handle; + void *arp_err_handler; struct sk_buff *wr_next; }; @@ -203,6 +204,7 @@ enum cxgbi_skcb_flags { SKCBF_TX_NEED_HDR, /* packet needs a header */ SKCBF_TX_MEM_WRITE, /* memory write */ SKCBF_TX_FLAG_COMPL, /* wr completion flag */ + SKCBF_TX_DONE, /* skb tx done */ SKCBF_RX_COALESCED, /* received whole pdu */ SKCBF_RX_HDR, /* received pdu header */ SKCBF_RX_DATA, /* received pdu payload */ @@ -215,13 +217,13 @@ enum cxgbi_skcb_flags { }; struct cxgbi_skb_cb { - unsigned char ulp_mode; - unsigned long flags; - unsigned int seq; union { struct cxgbi_skb_rx_cb rx; struct cxgbi_skb_tx_cb tx; }; + unsigned char ulp_mode; + unsigned long flags; + unsigned int seq; }; #define CXGBI_SKB_CB(skb) ((struct cxgbi_skb_cb *)&((skb)->cb[0])) @@ -374,11 +376,9 @@ static inline void cxgbi_sock_enqueue_wr(struct cxgbi_sock *csk, cxgbi_skcb_tx_wr_next(skb) = NULL; /* * We want to take an extra reference since both us and the driver - * need to free the packet before it's really freed. We know there's - * just one user currently so we use atomic_set rather than skb_get - * to avoid the atomic op. + * need to free the packet before it's really freed. */ - atomic_set(&skb->users, 2); + skb_get(skb); if (!csk->wr_pending_head) csk->wr_pending_head = skb; diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 3cbab8710e58..2ceff585f189 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -265,18 +265,16 @@ static unsigned int rdac_failover_get(struct rdac_controller *ctlr, struct list_head *list, unsigned char *cdb) { - struct scsi_device *sdev = ctlr->ms_sdev; - struct rdac_dh_data *h = sdev->handler_data; struct rdac_mode_common *common; unsigned data_size; struct rdac_queue_data *qdata; u8 *lun_table; - if (h->ctlr->use_ms10) { + if (ctlr->use_ms10) { struct rdac_pg_expanded *rdac_pg; data_size = sizeof(struct rdac_pg_expanded); - rdac_pg = &h->ctlr->mode_select.expanded; + rdac_pg = &ctlr->mode_select.expanded; memset(rdac_pg, 0, data_size); common = &rdac_pg->common; rdac_pg->page_code = RDAC_PAGE_CODE_REDUNDANT_CONTROLLER + 0x40; @@ -288,7 +286,7 @@ static unsigned int rdac_failover_get(struct rdac_controller *ctlr, struct rdac_pg_legacy *rdac_pg; data_size = sizeof(struct rdac_pg_legacy); - rdac_pg = &h->ctlr->mode_select.legacy; + rdac_pg = &ctlr->mode_select.legacy; memset(rdac_pg, 0, data_size); common = &rdac_pg->common; rdac_pg->page_code = RDAC_PAGE_CODE_REDUNDANT_CONTROLLER; @@ -304,7 +302,7 @@ static unsigned int rdac_failover_get(struct rdac_controller *ctlr, } /* Prepare the command. */ - if (h->ctlr->use_ms10) { + if (ctlr->use_ms10) { cdb[0] = MODE_SELECT_10; cdb[7] = data_size >> 8; cdb[8] = data_size & 0xff; diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c index d390325c99ec..abf6026645dd 100644 --- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c +++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c @@ -1170,6 +1170,8 @@ static struct ibmvscsis_cmd *ibmvscsis_get_free_cmd(struct scsi_info *vscsi) cmd = list_first_entry_or_null(&vscsi->free_cmd, struct ibmvscsis_cmd, list); if (cmd) { + if (cmd->abort_cmd) + cmd->abort_cmd = NULL; cmd->flags &= ~(DELAY_SEND); list_del(&cmd->list); cmd->iue = iue; @@ -1774,6 +1776,7 @@ static void ibmvscsis_send_messages(struct scsi_info *vscsi) if (cmd->abort_cmd) { retry = true; cmd->abort_cmd->flags &= ~(DELAY_SEND); + cmd->abort_cmd = NULL; } /* @@ -1788,6 +1791,25 @@ static void ibmvscsis_send_messages(struct scsi_info *vscsi) list_del(&cmd->list); ibmvscsis_free_cmd_resources(vscsi, cmd); + /* + * With a successfully aborted op + * through LIO we want to increment the + * the vscsi credit so that when we dont + * send a rsp to the original scsi abort + * op (h_send_crq), but the tm rsp to + * the abort is sent, the credit is + * correctly sent with the abort tm rsp. + * We would need 1 for the abort tm rsp + * and 1 credit for the aborted scsi op. + * Thus we need to increment here. + * Also we want to increment the credit + * here because we want to make sure + * cmd is actually released first + * otherwise the client will think it + * it can send a new cmd, and we could + * find ourselves short of cmd elements. + */ + vscsi->credit += 1; } else { iue = cmd->iue; @@ -2962,10 +2984,7 @@ static long srp_build_response(struct scsi_info *vscsi, rsp->opcode = SRP_RSP; - if (vscsi->credit > 0 && vscsi->state == SRP_PROCESSING) - rsp->req_lim_delta = cpu_to_be32(vscsi->credit); - else - rsp->req_lim_delta = cpu_to_be32(1 + vscsi->credit); + rsp->req_lim_delta = cpu_to_be32(1 + vscsi->credit); rsp->tag = cmd->rsp.tag; rsp->flags = 0; diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h index 5ca3e8c28a3f..32632c9b2276 100644 --- a/drivers/scsi/qedi/qedi.h +++ b/drivers/scsi/qedi/qedi.h @@ -38,7 +38,7 @@ struct qedi_endpoint; #define QEDI_MAX_ISCSI_TASK 4096 #define QEDI_MAX_TASK_NUM 0x0FFF #define QEDI_MAX_ISCSI_CONNS_PER_HBA 1024 -#define QEDI_ISCSI_MAX_BDS_PER_CMD 256 /* Firmware max BDs is 256 */ +#define QEDI_ISCSI_MAX_BDS_PER_CMD 255 /* Firmware max BDs is 255 */ #define MAX_OUSTANDING_TASKS_PER_CON 1024 #define QEDI_MAX_BD_LEN 0xffff @@ -63,6 +63,7 @@ struct qedi_endpoint; #define QEDI_PAGE_MASK (~((QEDI_PAGE_SIZE) - 1)) #define QEDI_PAGE_SIZE 4096 +#define QEDI_HW_DMA_BOUNDARY 0xfff #define QEDI_PATH_HANDLE 0xFE0000000UL struct qedi_uio_ctrl { diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index d6978cbc56f0..8bc7ee1a8ca8 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -1494,6 +1494,8 @@ static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn, tmf_hdr = (struct iscsi_tm *)mtask->hdr; qedi_cmd = (struct qedi_cmd *)mtask->dd_data; ep = qedi_conn->ep; + if (!ep) + return -ENODEV; tid = qedi_get_task_idx(qedi); if (tid == -1) diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 3548d46f9b27..87f0af358b33 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -59,6 +59,7 @@ struct scsi_host_template qedi_host_template = { .this_id = -1, .sg_tablesize = QEDI_ISCSI_MAX_BDS_PER_CMD, .max_sectors = 0xffff, + .dma_boundary = QEDI_HW_DMA_BOUNDARY, .cmd_per_lun = 128, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = qedi_shost_attrs, @@ -1223,8 +1224,12 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data) iscsi_cid = (u32)path_data->handle; qedi_ep = qedi->ep_tbl[iscsi_cid]; - QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN, + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, "iscsi_cid=0x%x, qedi_ep=%p\n", iscsi_cid, qedi_ep); + if (!qedi_ep) { + ret = -EINVAL; + goto set_path_exit; + } if (!is_valid_ether_addr(&path_data->mac_addr[0])) { QEDI_NOTICE(&qedi->dbg_ctx, "dst mac NOT VALID\n"); diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 92775a8b74b1..09a294634bc7 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -151,6 +151,11 @@ static int qedi_uio_close(struct uio_info *uinfo, struct inode *inode) static void __qedi_free_uio_rings(struct qedi_uio_dev *udev) { + if (udev->uctrl) { + free_page((unsigned long)udev->uctrl); + udev->uctrl = NULL; + } + if (udev->ll2_ring) { free_page((unsigned long)udev->ll2_ring); udev->ll2_ring = NULL; @@ -169,7 +174,6 @@ static void __qedi_free_uio(struct qedi_uio_dev *udev) __qedi_free_uio_rings(udev); pci_dev_put(udev->pdev); - kfree(udev->uctrl); kfree(udev); } @@ -208,6 +212,11 @@ static int __qedi_alloc_uio_rings(struct qedi_uio_dev *udev) if (udev->ll2_ring || udev->ll2_buf) return rc; + /* Memory for control area. */ + udev->uctrl = (void *)get_zeroed_page(GFP_KERNEL); + if (!udev->uctrl) + return -ENOMEM; + /* Allocating memory for LL2 ring */ udev->ll2_ring_size = QEDI_PAGE_SIZE; udev->ll2_ring = (void *)get_zeroed_page(GFP_KERNEL | __GFP_COMP); @@ -237,7 +246,6 @@ exit_alloc_ring: static int qedi_alloc_uio_rings(struct qedi_ctx *qedi) { struct qedi_uio_dev *udev = NULL; - struct qedi_uio_ctrl *uctrl = NULL; int rc = 0; list_for_each_entry(udev, &qedi_udev_list, list) { @@ -258,21 +266,14 @@ static int qedi_alloc_uio_rings(struct qedi_ctx *qedi) goto err_udev; } - uctrl = kzalloc(sizeof(*uctrl), GFP_KERNEL); - if (!uctrl) { - rc = -ENOMEM; - goto err_uctrl; - } - udev->uio_dev = -1; udev->qedi = qedi; udev->pdev = qedi->pdev; - udev->uctrl = uctrl; rc = __qedi_alloc_uio_rings(udev); if (rc) - goto err_uio_rings; + goto err_uctrl; list_add(&udev->list, &qedi_udev_list); @@ -283,8 +284,6 @@ static int qedi_alloc_uio_rings(struct qedi_ctx *qedi) udev->rx_pkt = udev->ll2_buf + LL2_SINGLE_BUF_SIZE; return 0; - err_uio_rings: - kfree(uctrl); err_uctrl: kfree(udev); err_udev: @@ -828,6 +827,8 @@ static int qedi_set_iscsi_pf_param(struct qedi_ctx *qedi) qedi->pf_params.iscsi_pf_params.num_uhq_pages_in_ring = num_sq_pages; qedi->pf_params.iscsi_pf_params.num_queues = qedi->num_queues; qedi->pf_params.iscsi_pf_params.debug_mode = qedi_fw_debug; + qedi->pf_params.iscsi_pf_params.two_msl_timer = 4000; + qedi->pf_params.iscsi_pf_params.max_fin_rt = 2; for (log_page_size = 0 ; log_page_size < 32 ; log_page_size++) { if ((1 << log_page_size) == PAGE_SIZE) diff --git a/drivers/staging/media/atomisp/i2c/Makefile b/drivers/staging/media/atomisp/i2c/Makefile index 8ea01904c0ea..466517c7c8e6 100644 --- a/drivers/staging/media/atomisp/i2c/Makefile +++ b/drivers/staging/media/atomisp/i2c/Makefile @@ -19,5 +19,3 @@ obj-$(CONFIG_VIDEO_AP1302) += ap1302.o obj-$(CONFIG_VIDEO_LM3554) += lm3554.o -ccflags-y += -Werror - diff --git a/drivers/staging/media/atomisp/i2c/imx/Makefile b/drivers/staging/media/atomisp/i2c/imx/Makefile index 1d7f7ab94cac..6b13a3a66e49 100644 --- a/drivers/staging/media/atomisp/i2c/imx/Makefile +++ b/drivers/staging/media/atomisp/i2c/imx/Makefile @@ -4,5 +4,3 @@ imx1x5-objs := imx.o drv201.o ad5816g.o dw9714.o dw9719.o dw9718.o vcm.o otp.o o ov8858_driver-objs := ../ov8858.o dw9718.o vcm.o obj-$(CONFIG_VIDEO_OV8858) += ov8858_driver.o - -ccflags-y += -Werror diff --git a/drivers/staging/media/atomisp/i2c/ov5693/Makefile b/drivers/staging/media/atomisp/i2c/ov5693/Makefile index fceb9e9b881b..c9c0e1245858 100644 --- a/drivers/staging/media/atomisp/i2c/ov5693/Makefile +++ b/drivers/staging/media/atomisp/i2c/ov5693/Makefile @@ -1,3 +1 @@ obj-$(CONFIG_VIDEO_OV5693) += ov5693.o - -ccflags-y += -Werror diff --git a/drivers/staging/media/atomisp/pci/atomisp2/Makefile b/drivers/staging/media/atomisp/pci/atomisp2/Makefile index 3fa7c1c1479f..f126a89a08e9 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/Makefile +++ b/drivers/staging/media/atomisp/pci/atomisp2/Makefile @@ -351,5 +351,5 @@ DEFINES := -DHRT_HW -DHRT_ISP_CSS_CUSTOM_HOST -DHRT_USE_VIR_ADDRS -D__HOST__ DEFINES += -DATOMISP_POSTFIX=\"css2400b0_v21\" -DISP2400B0 DEFINES += -DSYSTEM_hive_isp_css_2400_system -DISP2400 -ccflags-y += $(INCLUDES) $(DEFINES) -fno-common -Werror +ccflags-y += $(INCLUDES) $(DEFINES) -fno-common diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 26a9bcd5ee6a..0d8f81591bed 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3790,6 +3790,8 @@ int iscsi_target_tx_thread(void *arg) { int ret = 0; struct iscsi_conn *conn = arg; + bool conn_freed = false; + /* * Allow ourselves to be interrupted by SIGINT so that a * connection recovery / failure event can be triggered externally. @@ -3815,12 +3817,14 @@ get_immediate: goto transport_err; ret = iscsit_handle_response_queue(conn); - if (ret == 1) + if (ret == 1) { goto get_immediate; - else if (ret == -ECONNRESET) + } else if (ret == -ECONNRESET) { + conn_freed = true; goto out; - else if (ret < 0) + } else if (ret < 0) { goto transport_err; + } } transport_err: @@ -3830,8 +3834,13 @@ transport_err: * responsible for cleaning up the early connection failure. */ if (conn->conn_state != TARG_CONN_STATE_IN_LOGIN) - iscsit_take_action_for_connection_exit(conn); + iscsit_take_action_for_connection_exit(conn, &conn_freed); out: + if (!conn_freed) { + while (!kthread_should_stop()) { + msleep(100); + } + } return 0; } @@ -4004,6 +4013,7 @@ int iscsi_target_rx_thread(void *arg) { int rc; struct iscsi_conn *conn = arg; + bool conn_freed = false; /* * Allow ourselves to be interrupted by SIGINT so that a @@ -4016,7 +4026,7 @@ int iscsi_target_rx_thread(void *arg) */ rc = wait_for_completion_interruptible(&conn->rx_login_comp); if (rc < 0 || iscsi_target_check_conn_state(conn)) - return 0; + goto out; if (!conn->conn_transport->iscsit_get_rx_pdu) return 0; @@ -4025,7 +4035,15 @@ int iscsi_target_rx_thread(void *arg) if (!signal_pending(current)) atomic_set(&conn->transport_failed, 1); - iscsit_take_action_for_connection_exit(conn); + iscsit_take_action_for_connection_exit(conn, &conn_freed); + +out: + if (!conn_freed) { + while (!kthread_should_stop()) { + msleep(100); + } + } + return 0; } diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 9a96e17bf7cd..7fe2aa73cff6 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -930,8 +930,10 @@ static void iscsit_handle_connection_cleanup(struct iscsi_conn *conn) } } -void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) +void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn, bool *conn_freed) { + *conn_freed = false; + spin_lock_bh(&conn->state_lock); if (atomic_read(&conn->connection_exit)) { spin_unlock_bh(&conn->state_lock); @@ -942,6 +944,7 @@ void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) if (conn->conn_state == TARG_CONN_STATE_IN_LOGOUT) { spin_unlock_bh(&conn->state_lock); iscsit_close_connection(conn); + *conn_freed = true; return; } @@ -955,4 +958,5 @@ void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) spin_unlock_bh(&conn->state_lock); iscsit_handle_connection_cleanup(conn); + *conn_freed = true; } diff --git a/drivers/target/iscsi/iscsi_target_erl0.h b/drivers/target/iscsi/iscsi_target_erl0.h index 60e69e2af6ed..3822d9cd1230 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.h +++ b/drivers/target/iscsi/iscsi_target_erl0.h @@ -15,6 +15,6 @@ extern int iscsit_stop_time2retain_timer(struct iscsi_session *); extern void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *); extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int); extern void iscsit_fall_back_to_erl0(struct iscsi_session *); -extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *); +extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *, bool *); #endif /*** ISCSI_TARGET_ERL0_H ***/ diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 66238477137b..92b96b51d506 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1464,5 +1464,9 @@ int iscsi_target_login_thread(void *arg) break; } + while (!kthread_should_stop()) { + msleep(100); + } + return 0; } diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 7ccc9c1cbfd1..6f88b31242b0 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -493,14 +493,60 @@ static void iscsi_target_restore_sock_callbacks(struct iscsi_conn *conn) static int iscsi_target_do_login(struct iscsi_conn *, struct iscsi_login *); -static bool iscsi_target_sk_state_check(struct sock *sk) +static bool __iscsi_target_sk_check_close(struct sock *sk) { if (sk->sk_state == TCP_CLOSE_WAIT || sk->sk_state == TCP_CLOSE) { - pr_debug("iscsi_target_sk_state_check: TCP_CLOSE_WAIT|TCP_CLOSE," + pr_debug("__iscsi_target_sk_check_close: TCP_CLOSE_WAIT|TCP_CLOSE," "returning FALSE\n"); - return false; + return true; } - return true; + return false; +} + +static bool iscsi_target_sk_check_close(struct iscsi_conn *conn) +{ + bool state = false; + + if (conn->sock) { + struct sock *sk = conn->sock->sk; + + read_lock_bh(&sk->sk_callback_lock); + state = (__iscsi_target_sk_check_close(sk) || + test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)); + read_unlock_bh(&sk->sk_callback_lock); + } + return state; +} + +static bool iscsi_target_sk_check_flag(struct iscsi_conn *conn, unsigned int flag) +{ + bool state = false; + + if (conn->sock) { + struct sock *sk = conn->sock->sk; + + read_lock_bh(&sk->sk_callback_lock); + state = test_bit(flag, &conn->login_flags); + read_unlock_bh(&sk->sk_callback_lock); + } + return state; +} + +static bool iscsi_target_sk_check_and_clear(struct iscsi_conn *conn, unsigned int flag) +{ + bool state = false; + + if (conn->sock) { + struct sock *sk = conn->sock->sk; + + write_lock_bh(&sk->sk_callback_lock); + state = (__iscsi_target_sk_check_close(sk) || + test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)); + if (!state) + clear_bit(flag, &conn->login_flags); + write_unlock_bh(&sk->sk_callback_lock); + } + return state; } static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login) @@ -540,6 +586,20 @@ static void iscsi_target_do_login_rx(struct work_struct *work) pr_debug("entering iscsi_target_do_login_rx, conn: %p, %s:%d\n", conn, current->comm, current->pid); + /* + * If iscsi_target_do_login_rx() has been invoked by ->sk_data_ready() + * before initial PDU processing in iscsi_target_start_negotiation() + * has completed, go ahead and retry until it's cleared. + * + * Otherwise if the TCP connection drops while this is occuring, + * iscsi_target_start_negotiation() will detect the failure, call + * cancel_delayed_work_sync(&conn->login_work), and cleanup the + * remaining iscsi connection resources from iscsi_np process context. + */ + if (iscsi_target_sk_check_flag(conn, LOGIN_FLAGS_INITIAL_PDU)) { + schedule_delayed_work(&conn->login_work, msecs_to_jiffies(10)); + return; + } spin_lock(&tpg->tpg_state_lock); state = (tpg->tpg_state == TPG_STATE_ACTIVE); @@ -547,26 +607,12 @@ static void iscsi_target_do_login_rx(struct work_struct *work) if (!state) { pr_debug("iscsi_target_do_login_rx: tpg_state != TPG_STATE_ACTIVE\n"); - iscsi_target_restore_sock_callbacks(conn); - iscsi_target_login_drop(conn, login); - iscsit_deaccess_np(np, tpg, tpg_np); - return; + goto err; } - if (conn->sock) { - struct sock *sk = conn->sock->sk; - - read_lock_bh(&sk->sk_callback_lock); - state = iscsi_target_sk_state_check(sk); - read_unlock_bh(&sk->sk_callback_lock); - - if (!state) { - pr_debug("iscsi_target_do_login_rx, TCP state CLOSE\n"); - iscsi_target_restore_sock_callbacks(conn); - iscsi_target_login_drop(conn, login); - iscsit_deaccess_np(np, tpg, tpg_np); - return; - } + if (iscsi_target_sk_check_close(conn)) { + pr_debug("iscsi_target_do_login_rx, TCP state CLOSE\n"); + goto err; } conn->login_kworker = current; @@ -584,34 +630,29 @@ static void iscsi_target_do_login_rx(struct work_struct *work) flush_signals(current); conn->login_kworker = NULL; - if (rc < 0) { - iscsi_target_restore_sock_callbacks(conn); - iscsi_target_login_drop(conn, login); - iscsit_deaccess_np(np, tpg, tpg_np); - return; - } + if (rc < 0) + goto err; pr_debug("iscsi_target_do_login_rx after rx_login_io, %p, %s:%d\n", conn, current->comm, current->pid); rc = iscsi_target_do_login(conn, login); if (rc < 0) { - iscsi_target_restore_sock_callbacks(conn); - iscsi_target_login_drop(conn, login); - iscsit_deaccess_np(np, tpg, tpg_np); + goto err; } else if (!rc) { - if (conn->sock) { - struct sock *sk = conn->sock->sk; - - write_lock_bh(&sk->sk_callback_lock); - clear_bit(LOGIN_FLAGS_READ_ACTIVE, &conn->login_flags); - write_unlock_bh(&sk->sk_callback_lock); - } + if (iscsi_target_sk_check_and_clear(conn, LOGIN_FLAGS_READ_ACTIVE)) + goto err; } else if (rc == 1) { iscsi_target_nego_release(conn); iscsi_post_login_handler(np, conn, zero_tsih); iscsit_deaccess_np(np, tpg, tpg_np); } + return; + +err: + iscsi_target_restore_sock_callbacks(conn); + iscsi_target_login_drop(conn, login); + iscsit_deaccess_np(np, tpg, tpg_np); } static void iscsi_target_do_cleanup(struct work_struct *work) @@ -659,31 +700,54 @@ static void iscsi_target_sk_state_change(struct sock *sk) orig_state_change(sk); return; } + state = __iscsi_target_sk_check_close(sk); + pr_debug("__iscsi_target_sk_close_change: state: %d\n", state); + if (test_bit(LOGIN_FLAGS_READ_ACTIVE, &conn->login_flags)) { pr_debug("Got LOGIN_FLAGS_READ_ACTIVE=1 sk_state_change" " conn: %p\n", conn); + if (state) + set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags); write_unlock_bh(&sk->sk_callback_lock); orig_state_change(sk); return; } - if (test_and_set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)) { + if (test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)) { pr_debug("Got LOGIN_FLAGS_CLOSED=1 sk_state_change conn: %p\n", conn); write_unlock_bh(&sk->sk_callback_lock); orig_state_change(sk); return; } + /* + * If the TCP connection has dropped, go ahead and set LOGIN_FLAGS_CLOSED, + * but only queue conn->login_work -> iscsi_target_do_login_rx() + * processing if LOGIN_FLAGS_INITIAL_PDU has already been cleared. + * + * When iscsi_target_do_login_rx() runs, iscsi_target_sk_check_close() + * will detect the dropped TCP connection from delayed workqueue context. + * + * If LOGIN_FLAGS_INITIAL_PDU is still set, which means the initial + * iscsi_target_start_negotiation() is running, iscsi_target_do_login() + * via iscsi_target_sk_check_close() or iscsi_target_start_negotiation() + * via iscsi_target_sk_check_and_clear() is responsible for detecting the + * dropped TCP connection in iscsi_np process context, and cleaning up + * the remaining iscsi connection resources. + */ + if (state) { + pr_debug("iscsi_target_sk_state_change got failed state\n"); + set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags); + state = test_bit(LOGIN_FLAGS_INITIAL_PDU, &conn->login_flags); + write_unlock_bh(&sk->sk_callback_lock); - state = iscsi_target_sk_state_check(sk); - write_unlock_bh(&sk->sk_callback_lock); - - pr_debug("iscsi_target_sk_state_change: state: %d\n", state); + orig_state_change(sk); - if (!state) { - pr_debug("iscsi_target_sk_state_change got failed state\n"); - schedule_delayed_work(&conn->login_cleanup_work, 0); + if (!state) + schedule_delayed_work(&conn->login_work, 0); return; } + write_unlock_bh(&sk->sk_callback_lock); + orig_state_change(sk); } @@ -946,6 +1010,15 @@ static int iscsi_target_do_login(struct iscsi_conn *conn, struct iscsi_login *lo if (iscsi_target_handle_csg_one(conn, login) < 0) return -1; if (login_rsp->flags & ISCSI_FLAG_LOGIN_TRANSIT) { + /* + * Check to make sure the TCP connection has not + * dropped asynchronously while session reinstatement + * was occuring in this kthread context, before + * transitioning to full feature phase operation. + */ + if (iscsi_target_sk_check_close(conn)) + return -1; + login->tsih = conn->sess->tsih; login->login_complete = 1; iscsi_target_restore_sock_callbacks(conn); @@ -972,21 +1045,6 @@ static int iscsi_target_do_login(struct iscsi_conn *conn, struct iscsi_login *lo break; } - if (conn->sock) { - struct sock *sk = conn->sock->sk; - bool state; - - read_lock_bh(&sk->sk_callback_lock); - state = iscsi_target_sk_state_check(sk); - read_unlock_bh(&sk->sk_callback_lock); - - if (!state) { - pr_debug("iscsi_target_do_login() failed state for" - " conn: %p\n", conn); - return -1; - } - } - return 0; } @@ -1255,10 +1313,22 @@ int iscsi_target_start_negotiation( write_lock_bh(&sk->sk_callback_lock); set_bit(LOGIN_FLAGS_READY, &conn->login_flags); + set_bit(LOGIN_FLAGS_INITIAL_PDU, &conn->login_flags); write_unlock_bh(&sk->sk_callback_lock); } - + /* + * If iscsi_target_do_login returns zero to signal more PDU + * exchanges are required to complete the login, go ahead and + * clear LOGIN_FLAGS_INITIAL_PDU but only if the TCP connection + * is still active. + * + * Otherwise if TCP connection dropped asynchronously, go ahead + * and perform connection cleanup now. + */ ret = iscsi_target_do_login(conn, login); + if (!ret && iscsi_target_sk_check_and_clear(conn, LOGIN_FLAGS_INITIAL_PDU)) + ret = -1; + if (ret < 0) { cancel_delayed_work_sync(&conn->login_work); cancel_delayed_work_sync(&conn->login_cleanup_work); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 37f57357d4a0..6025935036c9 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1160,15 +1160,28 @@ target_cmd_size_check(struct se_cmd *cmd, unsigned int size) if (cmd->unknown_data_length) { cmd->data_length = size; } else if (size != cmd->data_length) { - pr_warn("TARGET_CORE[%s]: Expected Transfer Length:" + pr_warn_ratelimited("TARGET_CORE[%s]: Expected Transfer Length:" " %u does not match SCSI CDB Length: %u for SAM Opcode:" " 0x%02x\n", cmd->se_tfo->get_fabric_name(), cmd->data_length, size, cmd->t_task_cdb[0]); - if (cmd->data_direction == DMA_TO_DEVICE && - cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) { - pr_err("Rejecting underflow/overflow WRITE data\n"); - return TCM_INVALID_CDB_FIELD; + if (cmd->data_direction == DMA_TO_DEVICE) { + if (cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) { + pr_err_ratelimited("Rejecting underflow/overflow" + " for WRITE data CDB\n"); + return TCM_INVALID_CDB_FIELD; + } + /* + * Some fabric drivers like iscsi-target still expect to + * always reject overflow writes. Reject this case until + * full fabric driver level support for overflow writes + * is introduced tree-wide. + */ + if (size > cmd->data_length) { + pr_err_ratelimited("Rejecting overflow for" + " WRITE control CDB\n"); + return TCM_INVALID_CDB_FIELD; + } } /* * Reject READ_* or WRITE_* with overflow/underflow for diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 9045837f748b..beb5f098f32d 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -97,7 +97,7 @@ struct tcmu_hba { struct tcmu_dev { struct list_head node; - + struct kref kref; struct se_device se_dev; char *name; @@ -969,6 +969,7 @@ static struct se_device *tcmu_alloc_device(struct se_hba *hba, const char *name) udev = kzalloc(sizeof(struct tcmu_dev), GFP_KERNEL); if (!udev) return NULL; + kref_init(&udev->kref); udev->name = kstrdup(name, GFP_KERNEL); if (!udev->name) { @@ -1145,6 +1146,24 @@ static int tcmu_open(struct uio_info *info, struct inode *inode) return 0; } +static void tcmu_dev_call_rcu(struct rcu_head *p) +{ + struct se_device *dev = container_of(p, struct se_device, rcu_head); + struct tcmu_dev *udev = TCMU_DEV(dev); + + kfree(udev->uio_info.name); + kfree(udev->name); + kfree(udev); +} + +static void tcmu_dev_kref_release(struct kref *kref) +{ + struct tcmu_dev *udev = container_of(kref, struct tcmu_dev, kref); + struct se_device *dev = &udev->se_dev; + + call_rcu(&dev->rcu_head, tcmu_dev_call_rcu); +} + static int tcmu_release(struct uio_info *info, struct inode *inode) { struct tcmu_dev *udev = container_of(info, struct tcmu_dev, uio_info); @@ -1152,7 +1171,8 @@ static int tcmu_release(struct uio_info *info, struct inode *inode) clear_bit(TCMU_DEV_BIT_OPEN, &udev->flags); pr_debug("close\n"); - + /* release ref from configure */ + kref_put(&udev->kref, tcmu_dev_kref_release); return 0; } @@ -1272,6 +1292,12 @@ static int tcmu_configure_device(struct se_device *dev) dev->dev_attrib.hw_max_sectors = 128; dev->dev_attrib.hw_queue_depth = 128; + /* + * Get a ref incase userspace does a close on the uio device before + * LIO has initiated tcmu_free_device. + */ + kref_get(&udev->kref); + ret = tcmu_netlink_event(TCMU_CMD_ADDED_DEVICE, udev->uio_info.name, udev->uio_info.uio_dev->minor); if (ret) @@ -1284,11 +1310,13 @@ static int tcmu_configure_device(struct se_device *dev) return 0; err_netlink: + kref_put(&udev->kref, tcmu_dev_kref_release); uio_unregister_device(&udev->uio_info); err_register: vfree(udev->mb_addr); err_vzalloc: kfree(info->name); + info->name = NULL; return ret; } @@ -1302,14 +1330,6 @@ static int tcmu_check_and_free_pending_cmd(struct tcmu_cmd *cmd) return -EINVAL; } -static void tcmu_dev_call_rcu(struct rcu_head *p) -{ - struct se_device *dev = container_of(p, struct se_device, rcu_head); - struct tcmu_dev *udev = TCMU_DEV(dev); - - kfree(udev); -} - static bool tcmu_dev_configured(struct tcmu_dev *udev) { return udev->uio_info.uio_dev ? true : false; @@ -1364,10 +1384,10 @@ static void tcmu_free_device(struct se_device *dev) udev->uio_info.uio_dev->minor); uio_unregister_device(&udev->uio_info); - kfree(udev->uio_info.name); - kfree(udev->name); } - call_rcu(&dev->rcu_head, tcmu_dev_call_rcu); + + /* release ref from init */ + kref_put(&udev->kref, tcmu_dev_kref_release); } enum { diff --git a/drivers/thermal/broadcom/Kconfig b/drivers/thermal/broadcom/Kconfig index ab08af4654ef..42c098e86f84 100644 --- a/drivers/thermal/broadcom/Kconfig +++ b/drivers/thermal/broadcom/Kconfig @@ -9,8 +9,9 @@ config BCM2835_THERMAL config BCM_NS_THERMAL tristate "Northstar thermal driver" depends on ARCH_BCM_IPROC || COMPILE_TEST + default y if ARCH_BCM_IPROC help - Northstar is a family of SoCs that includes e.g. BCM4708, BCM47081, - BCM4709 and BCM47094. It contains DMU (Device Management Unit) block - with a thermal sensor that allows checking CPU temperature. This - driver provides support for it. + Support for the Northstar and Northstar Plus family of SoCs (e.g. + BCM4708, BCM4709, BCM5301x, BCM95852X, etc). It contains DMU (Device + Management Unit) block with a thermal sensor that allows checking CPU + temperature. diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c index 644ba526d9ea..4362a69ac88d 100644 --- a/drivers/thermal/qoriq_thermal.c +++ b/drivers/thermal/qoriq_thermal.c @@ -195,7 +195,6 @@ static struct thermal_zone_of_device_ops tmu_tz_ops = { static int qoriq_tmu_probe(struct platform_device *pdev) { int ret; - const struct thermal_trip *trip; struct qoriq_tmu_data *data; struct device_node *np = pdev->dev.of_node; u32 site = 0; @@ -243,8 +242,6 @@ static int qoriq_tmu_probe(struct platform_device *pdev) goto err_tmu; } - trip = of_thermal_get_trip_points(data->tz); - /* Enable monitoring */ site |= 0x1 << (15 - data->sensor_id); tmu_write(data, site | TMR_ME | TMR_ALPF, &data->regs->tmr); diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index b21b9cc2c8d6..5a51c740e372 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -359,7 +359,7 @@ static DECLARE_DELAYED_WORK(thermal_emergency_poweroff_work, * This may be called from any critical situation to trigger a system shutdown * after a known period of time. By default this is not scheduled. */ -void thermal_emergency_poweroff(void) +static void thermal_emergency_poweroff(void) { int poweroff_delay_ms = CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS; /* diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index ba9c302454fb..696ab3046b87 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -1010,7 +1010,7 @@ ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id) } /** - * ti_bandgap_set_continous_mode() - One time enabling of continuous mode + * ti_bandgap_set_continuous_mode() - One time enabling of continuous mode * @bgp: pointer to struct ti_bandgap * * Call this function only if HAS(MODE_CONFIG) is set. As this driver may @@ -1214,22 +1214,18 @@ static struct ti_bandgap *ti_bandgap_build(struct platform_device *pdev) } bgp = devm_kzalloc(&pdev->dev, sizeof(*bgp), GFP_KERNEL); - if (!bgp) { - dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n"); + if (!bgp) return ERR_PTR(-ENOMEM); - } of_id = of_match_device(of_ti_bandgap_match, &pdev->dev); if (of_id) bgp->conf = of_id->data; /* register shadow for context save and restore */ - bgp->regval = devm_kzalloc(&pdev->dev, sizeof(*bgp->regval) * - bgp->conf->sensor_count, GFP_KERNEL); - if (!bgp->regval) { - dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n"); + bgp->regval = devm_kcalloc(&pdev->dev, bgp->conf->sensor_count, + sizeof(*bgp->regval), GFP_KERNEL); + if (!bgp->regval) return ERR_PTR(-ENOMEM); - } i = 0; do { diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c index 7ac9bcdf1e61..61fe8d6fd24e 100644 --- a/drivers/tty/ehv_bytechan.c +++ b/drivers/tty/ehv_bytechan.c @@ -764,7 +764,7 @@ static int __init ehv_bc_init(void) ehv_bc_driver = alloc_tty_driver(count); if (!ehv_bc_driver) { ret = -ENOMEM; - goto error; + goto err_free_bcs; } ehv_bc_driver->driver_name = "ehv-bc"; @@ -778,24 +778,23 @@ static int __init ehv_bc_init(void) ret = tty_register_driver(ehv_bc_driver); if (ret) { pr_err("ehv-bc: could not register tty driver (ret=%i)\n", ret); - goto error; + goto err_put_tty_driver; } ret = platform_driver_register(&ehv_bc_tty_driver); if (ret) { pr_err("ehv-bc: could not register platform driver (ret=%i)\n", ret); - goto error; + goto err_deregister_tty_driver; } return 0; -error: - if (ehv_bc_driver) { - tty_unregister_driver(ehv_bc_driver); - put_tty_driver(ehv_bc_driver); - } - +err_deregister_tty_driver: + tty_unregister_driver(ehv_bc_driver); +err_put_tty_driver: + put_tty_driver(ehv_bc_driver); +err_free_bcs: kfree(bcs); return ret; diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 433de5ea9b02..f71b47334149 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -122,6 +122,18 @@ void serdev_device_write_wakeup(struct serdev_device *serdev) } EXPORT_SYMBOL_GPL(serdev_device_write_wakeup); +int serdev_device_write_buf(struct serdev_device *serdev, + const unsigned char *buf, size_t count) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->write_buf) + return -EINVAL; + + return ctrl->ops->write_buf(ctrl, buf, count); +} +EXPORT_SYMBOL_GPL(serdev_device_write_buf); + int serdev_device_write(struct serdev_device *serdev, const unsigned char *buf, size_t count, unsigned long timeout) diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c index 487c88f6aa0e..d0a021c93986 100644 --- a/drivers/tty/serdev/serdev-ttyport.c +++ b/drivers/tty/serdev/serdev-ttyport.c @@ -102,9 +102,6 @@ static int ttyport_open(struct serdev_controller *ctrl) return PTR_ERR(tty); serport->tty = tty; - serport->port->client_ops = &client_ops; - serport->port->client_data = ctrl; - if (tty->ops->open) tty->ops->open(serport->tty, NULL); else @@ -215,6 +212,7 @@ struct device *serdev_tty_port_register(struct tty_port *port, struct device *parent, struct tty_driver *drv, int idx) { + const struct tty_port_client_operations *old_ops; struct serdev_controller *ctrl; struct serport *serport; int ret; @@ -233,28 +231,37 @@ struct device *serdev_tty_port_register(struct tty_port *port, ctrl->ops = &ctrl_ops; + old_ops = port->client_ops; + port->client_ops = &client_ops; + port->client_data = ctrl; + ret = serdev_controller_add(ctrl); if (ret) - goto err_controller_put; + goto err_reset_data; dev_info(&ctrl->dev, "tty port %s%d registered\n", drv->name, idx); return &ctrl->dev; -err_controller_put: +err_reset_data: + port->client_data = NULL; + port->client_ops = old_ops; serdev_controller_put(ctrl); + return ERR_PTR(ret); } -void serdev_tty_port_unregister(struct tty_port *port) +int serdev_tty_port_unregister(struct tty_port *port) { struct serdev_controller *ctrl = port->client_data; struct serport *serport = serdev_controller_get_drvdata(ctrl); if (!serport) - return; + return -ENODEV; serdev_controller_remove(ctrl); port->client_ops = NULL; port->client_data = NULL; serdev_controller_put(ctrl); + + return 0; } diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 09a65a3ec7f7..68fd045a7025 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -47,6 +47,7 @@ /* * These are definitions for the Exar XR17V35X and XR17(C|D)15X */ +#define UART_EXAR_INT0 0x80 #define UART_EXAR_SLEEP 0x8b /* Sleep mode */ #define UART_EXAR_DVID 0x8d /* Device identification */ @@ -1337,7 +1338,7 @@ out_lock: /* * Check if the device is a Fintek F81216A */ - if (port->type == PORT_16550A) + if (port->type == PORT_16550A && port->iotype == UPIO_PORT) fintek_8250_probe(up); if (up->capabilities != old_capabilities) { @@ -1869,17 +1870,13 @@ static int serial8250_default_handle_irq(struct uart_port *port) static int exar_handle_irq(struct uart_port *port) { unsigned int iir = serial_port_in(port, UART_IIR); - int ret; + int ret = 0; - ret = serial8250_handle_irq(port, iir); + if (((port->type == PORT_XR17V35X) || (port->type == PORT_XR17D15X)) && + serial_port_in(port, UART_EXAR_INT0) != 0) + ret = 1; - if ((port->type == PORT_XR17V35X) || - (port->type == PORT_XR17D15X)) { - serial_port_in(port, 0x80); - serial_port_in(port, 0x81); - serial_port_in(port, 0x82); - serial_port_in(port, 0x83); - } + ret |= serial8250_handle_irq(port, iir); return ret; } @@ -2177,6 +2174,8 @@ int serial8250_do_startup(struct uart_port *port) serial_port_in(port, UART_RX); serial_port_in(port, UART_IIR); serial_port_in(port, UART_MSR); + if ((port->type == PORT_XR17V35X) || (port->type == PORT_XR17D15X)) + serial_port_in(port, UART_EXAR_INT0); /* * At this point, there's no way the LSR could still be 0xff; @@ -2335,6 +2334,8 @@ dont_test_tx_en: serial_port_in(port, UART_RX); serial_port_in(port, UART_IIR); serial_port_in(port, UART_MSR); + if ((port->type == PORT_XR17V35X) || (port->type == PORT_XR17D15X)) + serial_port_in(port, UART_EXAR_INT0); up->lsr_saved_flags = 0; up->msr_saved_flags = 0; diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c index 18e3f8342b85..0475f5d261ce 100644 --- a/drivers/tty/serial/altera_jtaguart.c +++ b/drivers/tty/serial/altera_jtaguart.c @@ -478,6 +478,7 @@ static int altera_jtaguart_remove(struct platform_device *pdev) port = &altera_jtaguart_ports[i].port; uart_remove_one_port(&altera_jtaguart_driver, port); + iounmap(port->membase); return 0; } diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index 46d3438a0d27..3e4b717670d7 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -615,6 +615,7 @@ static int altera_uart_remove(struct platform_device *pdev) if (port) { uart_remove_one_port(&altera_uart_driver, port); port->mapbase = 0; + iounmap(port->membase); } return 0; diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c index ebd8569f9ad5..9fff25be87f9 100644 --- a/drivers/tty/serial/efm32-uart.c +++ b/drivers/tty/serial/efm32-uart.c @@ -27,6 +27,7 @@ #define UARTn_FRAME 0x04 #define UARTn_FRAME_DATABITS__MASK 0x000f #define UARTn_FRAME_DATABITS(n) ((n) - 3) +#define UARTn_FRAME_PARITY__MASK 0x0300 #define UARTn_FRAME_PARITY_NONE 0x0000 #define UARTn_FRAME_PARITY_EVEN 0x0200 #define UARTn_FRAME_PARITY_ODD 0x0300 @@ -572,12 +573,16 @@ static void efm32_uart_console_get_options(struct efm32_uart_port *efm_port, 16 * (4 + (clkdiv >> 6))); frame = efm32_uart_read32(efm_port, UARTn_FRAME); - if (frame & UARTn_FRAME_PARITY_ODD) + switch (frame & UARTn_FRAME_PARITY__MASK) { + case UARTn_FRAME_PARITY_ODD: *parity = 'o'; - else if (frame & UARTn_FRAME_PARITY_EVEN) + break; + case UARTn_FRAME_PARITY_EVEN: *parity = 'e'; - else + break; + default: *parity = 'n'; + } *bits = (frame & UARTn_FRAME_DATABITS__MASK) - UARTn_FRAME_DATABITS(4) + 4; diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c index 157883653256..f190a84a0246 100644 --- a/drivers/tty/serial/ifx6x60.c +++ b/drivers/tty/serial/ifx6x60.c @@ -1382,9 +1382,9 @@ static struct spi_driver ifx_spi_driver = { static void __exit ifx_spi_exit(void) { /* unregister */ + spi_unregister_driver(&ifx_spi_driver); tty_unregister_driver(tty_drv); put_tty_driver(tty_drv); - spi_unregister_driver(&ifx_spi_driver); unregister_reboot_notifier(&ifx_modem_reboot_notifier_block); } diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 33509b4beaec..bbefddd92bfe 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2184,7 +2184,9 @@ static int serial_imx_probe(struct platform_device *pdev) * and DCD (when they are outputs) or enables the respective * irqs. So set this bit early, i.e. before requesting irqs. */ - writel(UFCR_DCEDTE, sport->port.membase + UFCR); + reg = readl(sport->port.membase + UFCR); + if (!(reg & UFCR_DCEDTE)) + writel(reg | UFCR_DCEDTE, sport->port.membase + UFCR); /* * Disable UCR3_RI and UCR3_DCD irqs. They are also not @@ -2195,7 +2197,15 @@ static int serial_imx_probe(struct platform_device *pdev) sport->port.membase + UCR3); } else { - writel(0, sport->port.membase + UFCR); + unsigned long ucr3 = UCR3_DSR; + + reg = readl(sport->port.membase + UFCR); + if (reg & UFCR_DCEDTE) + writel(reg & ~UFCR_DCEDTE, sport->port.membase + UFCR); + + if (!is_imx1_uart(sport)) + ucr3 |= IMX21_UCR3_RXDMUXSEL | UCR3_ADNIMP; + writel(ucr3, sport->port.membase + UCR3); } clk_disable_unprepare(sport->clk_ipg); diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 0f45b7884a2c..13bfd5dcffce 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2083,7 +2083,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) mutex_lock(&port->mutex); tty_dev = device_find_child(uport->dev, &match, serial_match_port); - if (device_may_wakeup(tty_dev)) { + if (tty_dev && device_may_wakeup(tty_dev)) { if (!enable_irq_wake(uport->irq)) uport->irq_wake = 1; put_device(tty_dev); @@ -2782,7 +2782,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) * Register the port whether it's detected or not. This allows * setserial to be used to alter this port's parameters. */ - tty_dev = tty_port_register_device_attr(port, drv->tty_driver, + tty_dev = tty_port_register_device_attr_serdev(port, drv->tty_driver, uport->line, uport->dev, port, uport->tty_groups); if (likely(!IS_ERR(tty_dev))) { device_set_wakeup_capable(tty_dev, 1); @@ -2845,7 +2845,7 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *uport) /* * Remove the devices from the tty layer */ - tty_unregister_device(drv->tty_driver, uport->line); + tty_port_unregister_device(port, drv->tty_driver, uport->line); tty = tty_port_tty_get(port); if (tty) { diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 1d21a9c1d33e..6b137194069f 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -129,19 +129,85 @@ struct device *tty_port_register_device_attr(struct tty_port *port, struct device *device, void *drvdata, const struct attribute_group **attr_grp) { + tty_port_link_device(port, driver, index); + return tty_register_device_attr(driver, index, device, drvdata, + attr_grp); +} +EXPORT_SYMBOL_GPL(tty_port_register_device_attr); + +/** + * tty_port_register_device_attr_serdev - register tty or serdev device + * @port: tty_port of the device + * @driver: tty_driver for this device + * @index: index of the tty + * @device: parent if exists, otherwise NULL + * @drvdata: driver data for the device + * @attr_grp: attribute group for the device + * + * Register a serdev or tty device depending on if the parent device has any + * defined serdev clients or not. + */ +struct device *tty_port_register_device_attr_serdev(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device, void *drvdata, + const struct attribute_group **attr_grp) +{ struct device *dev; tty_port_link_device(port, driver, index); dev = serdev_tty_port_register(port, device, driver, index); - if (PTR_ERR(dev) != -ENODEV) + if (PTR_ERR(dev) != -ENODEV) { /* Skip creating cdev if we registered a serdev device */ return dev; + } return tty_register_device_attr(driver, index, device, drvdata, attr_grp); } -EXPORT_SYMBOL_GPL(tty_port_register_device_attr); +EXPORT_SYMBOL_GPL(tty_port_register_device_attr_serdev); + +/** + * tty_port_register_device_serdev - register tty or serdev device + * @port: tty_port of the device + * @driver: tty_driver for this device + * @index: index of the tty + * @device: parent if exists, otherwise NULL + * + * Register a serdev or tty device depending on if the parent device has any + * defined serdev clients or not. + */ +struct device *tty_port_register_device_serdev(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device) +{ + return tty_port_register_device_attr_serdev(port, driver, index, + device, NULL, NULL); +} +EXPORT_SYMBOL_GPL(tty_port_register_device_serdev); + +/** + * tty_port_unregister_device - deregister a tty or serdev device + * @port: tty_port of the device + * @driver: tty_driver for this device + * @index: index of the tty + * + * If a tty or serdev device is registered with a call to + * tty_port_register_device_serdev() then this function must be called when + * the device is gone. + */ +void tty_port_unregister_device(struct tty_port *port, + struct tty_driver *driver, unsigned index) +{ + int ret; + + ret = serdev_tty_port_unregister(port); + if (ret == 0) + return; + + tty_unregister_device(driver, index); +} +EXPORT_SYMBOL_GPL(tty_port_unregister_device); int tty_port_alloc_xmit_buf(struct tty_port *port) { @@ -189,9 +255,6 @@ static void tty_port_destructor(struct kref *kref) /* check if last port ref was dropped before tty release */ if (WARN_ON(port->itty)) return; - - serdev_tty_port_unregister(port); - if (port->xmit_buf) free_page((unsigned long)port->xmit_buf); tty_port_destroy(port); @@ -1155,6 +1155,17 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, } /* + * It is possible, particularly with mixed reads & writes to private + * mappings, that we have raced with a PMD fault that overlaps with + * the PTE we need to set up. If so just return and the fault will be + * retried. + */ + if (pmd_trans_huge(*vmf->pmd) || pmd_devmap(*vmf->pmd)) { + vmf_ret = VM_FAULT_NOPAGE; + goto unlock_entry; + } + + /* * Note that we don't bother to use iomap_apply here: DAX required * the file system block size to be equal the page size, which means * that we never have to deal with more than a single extent here. @@ -1398,6 +1409,18 @@ static int dax_iomap_pmd_fault(struct vm_fault *vmf, goto fallback; /* + * It is possible, particularly with mixed reads & writes to private + * mappings, that we have raced with a PTE fault that overlaps with + * the PMD we need to set up. If so just return and the fault will be + * retried. + */ + if (!pmd_none(*vmf->pmd) && !pmd_trans_huge(*vmf->pmd) && + !pmd_devmap(*vmf->pmd)) { + result = 0; + goto unlock_entry; + } + + /* * Note that we don't use iomap_apply here. We aren't doing I/O, only * setting up a mapping, so really we're using iomap_begin() as a way * to look up our filesystem block. diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index f865b96374df..d2955daf17a4 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -659,7 +659,7 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags) struct gfs2_log_header *lh; unsigned int tail; u32 hash; - int op_flags = REQ_PREFLUSH | REQ_FUA | REQ_META; + int op_flags = REQ_PREFLUSH | REQ_FUA | REQ_META | REQ_SYNC; struct page *page = mempool_alloc(gfs2_page_pool, GFP_NOIO); enum gfs2_freeze_state state = atomic_read(&sdp->sd_freeze_state); lh = page_address(page); diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index f5714ee01000..23542dc44a25 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -454,6 +454,7 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh, goto out_err_free; /* fh */ + rc = -EIO; p = xdr_inline_decode(&stream, 4); if (!p) goto out_err_free; diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index e9b4c3320e37..3e24392f2caa 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -398,7 +398,6 @@ extern struct file_system_type nfs4_referral_fs_type; bool nfs_auth_info_match(const struct nfs_auth_info *, rpc_authflavor_t); struct dentry *nfs_try_mount(int, const char *, struct nfs_mount_info *, struct nfs_subversion *); -void nfs_initialise_sb(struct super_block *); int nfs_set_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *); int nfs_clone_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *); struct dentry *nfs_fs_mount_common(struct nfs_server *, int, const char *, @@ -458,7 +457,6 @@ extern void nfs_read_prepare(struct rpc_task *task, void *calldata); extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio); /* super.c */ -void nfs_clone_super(struct super_block *, struct nfs_mount_info *); void nfs_umount_begin(struct super_block *); int nfs_statfs(struct dentry *, struct kstatfs *); int nfs_show_options(struct seq_file *, struct dentry *); diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 1a224a33a6c2..e5686be67be8 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -246,7 +246,7 @@ struct vfsmount *nfs_do_submount(struct dentry *dentry, struct nfs_fh *fh, devname = nfs_devname(dentry, page, PAGE_SIZE); if (IS_ERR(devname)) - mnt = (struct vfsmount *)devname; + mnt = ERR_CAST(devname); else mnt = nfs_do_clone_mount(NFS_SB(dentry->d_sb), devname, &mountdata); diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 929d09a5310a..319a47db218d 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -177,7 +177,7 @@ static ssize_t _nfs42_proc_copy(struct file *src, if (status) goto out; - if (!nfs_write_verifier_cmp(&res->write_res.verifier.verifier, + if (nfs_write_verifier_cmp(&res->write_res.verifier.verifier, &res->commit_res.verf->verifier)) { status = -EAGAIN; goto out; diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 692a7a8bfc7a..66776f022111 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -582,7 +582,6 @@ int nfs40_walk_client_list(struct nfs_client *new, */ nfs4_schedule_path_down_recovery(pos); default: - spin_lock(&nn->nfs_client_lock); goto out; } diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index adc6ec28d4b5..c383d0913b54 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2094,12 +2094,26 @@ pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio) } EXPORT_SYMBOL_GPL(pnfs_generic_pg_check_layout); +/* + * Check for any intersection between the request and the pgio->pg_lseg, + * and if none, put this pgio->pg_lseg away. + */ +static void +pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) +{ + if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) { + pnfs_put_lseg(pgio->pg_lseg); + pgio->pg_lseg = NULL; + } +} + void pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) { u64 rd_size = req->wb_bytes; pnfs_generic_pg_check_layout(pgio); + pnfs_generic_pg_check_range(pgio, req); if (pgio->pg_lseg == NULL) { if (pgio->pg_dreq == NULL) rd_size = i_size_read(pgio->pg_inode) - req_offset(req); @@ -2131,6 +2145,7 @@ pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio, struct nfs_page *req, u64 wb_size) { pnfs_generic_pg_check_layout(pgio); + pnfs_generic_pg_check_range(pgio, req); if (pgio->pg_lseg == NULL) { pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, req->wb_context, @@ -2191,16 +2206,10 @@ pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, seg_end = pnfs_end_offset(pgio->pg_lseg->pls_range.offset, pgio->pg_lseg->pls_range.length); req_start = req_offset(req); - WARN_ON_ONCE(req_start >= seg_end); + /* start of request is past the last byte of this segment */ - if (req_start >= seg_end) { - /* reference the new lseg */ - if (pgio->pg_ops->pg_cleanup) - pgio->pg_ops->pg_cleanup(pgio); - if (pgio->pg_ops->pg_init) - pgio->pg_ops->pg_init(pgio, req); + if (req_start >= seg_end) return 0; - } /* adjust 'size' iff there are fewer bytes left in the * segment than what nfs_generic_pg_test returned */ diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 2d05b756a8d6..99731e3e332f 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -593,6 +593,16 @@ pnfs_lseg_range_intersecting(const struct pnfs_layout_range *l1, return pnfs_is_range_intersecting(l1->offset, end1, l2->offset, end2); } +static inline bool +pnfs_lseg_request_intersecting(struct pnfs_layout_segment *lseg, struct nfs_page *req) +{ + u64 seg_last = pnfs_end_offset(lseg->pls_range.offset, lseg->pls_range.length); + u64 req_last = req_offset(req) + req->wb_bytes; + + return pnfs_is_range_intersecting(lseg->pls_range.offset, seg_last, + req_offset(req), req_last); +} + extern unsigned int layoutstats_timer; #ifdef NFS_DEBUG diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2f3822a4a7d5..eceb4eabb064 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2301,7 +2301,7 @@ EXPORT_SYMBOL_GPL(nfs_remount); /* * Initialise the common bits of the superblock */ -inline void nfs_initialise_sb(struct super_block *sb) +static void nfs_initialise_sb(struct super_block *sb) { struct nfs_server *server = NFS_SB(sb); @@ -2348,7 +2348,8 @@ EXPORT_SYMBOL_GPL(nfs_fill_super); /* * Finish setting up a cloned NFS2/3/4 superblock */ -void nfs_clone_super(struct super_block *sb, struct nfs_mount_info *mount_info) +static void nfs_clone_super(struct super_block *sb, + struct nfs_mount_info *mount_info) { const struct super_block *old_sb = mount_info->cloned->sb; struct nfs_server *server = NFS_SB(sb); diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c index 12feac6ee2fd..452334694a5d 100644 --- a/fs/nfsd/nfs3xdr.c +++ b/fs/nfsd/nfs3xdr.c @@ -334,11 +334,8 @@ nfs3svc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, if (!p) return 0; p = xdr_decode_hyper(p, &args->offset); - args->count = ntohl(*p++); - - if (!xdr_argsize_check(rqstp, p)) - return 0; + args->count = ntohl(*p++); len = min(args->count, max_blocksize); /* set up the kvec */ @@ -352,7 +349,7 @@ nfs3svc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, v++; } args->vlen = v; - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -544,11 +541,9 @@ nfs3svc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p, p = decode_fh(p, &args->fh); if (!p) return 0; - if (!xdr_argsize_check(rqstp, p)) - return 0; args->buffer = page_address(*(rqstp->rq_next_page++)); - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -574,14 +569,10 @@ nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p, args->verf = p; p += 2; args->dircount = ~0; args->count = ntohl(*p++); - - if (!xdr_argsize_check(rqstp, p)) - return 0; - args->count = min_t(u32, args->count, PAGE_SIZE); args->buffer = page_address(*(rqstp->rq_next_page++)); - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -599,9 +590,6 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, __be32 *p, args->dircount = ntohl(*p++); args->count = ntohl(*p++); - if (!xdr_argsize_check(rqstp, p)) - return 0; - len = args->count = min(args->count, max_blocksize); while (len > 0) { struct page *p = *(rqstp->rq_next_page++); @@ -609,7 +597,8 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, __be32 *p, args->buffer = page_address(p); len -= PAGE_SIZE; } - return 1; + + return xdr_argsize_check(rqstp, p); } int diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index c453a1998e00..dadb3bf305b2 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1769,6 +1769,12 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, opdesc->op_get_currentstateid(cstate, &op->u); op->status = opdesc->op_func(rqstp, cstate, &op->u); + /* Only from SEQUENCE */ + if (cstate->status == nfserr_replay_cache) { + dprintk("%s NFS4.1 replay from cache\n", __func__); + status = op->status; + goto out; + } if (!op->status) { if (opdesc->op_set_currentstateid) opdesc->op_set_currentstateid(cstate, &op->u); @@ -1779,14 +1785,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, if (need_wrongsec_check(rqstp)) op->status = check_nfsd_access(current_fh->fh_export, rqstp); } - encode_op: - /* Only from SEQUENCE */ - if (cstate->status == nfserr_replay_cache) { - dprintk("%s NFS4.1 replay from cache\n", __func__); - status = op->status; - goto out; - } if (op->status == nfserr_replay_me) { op->replay = &cstate->replay_owner->so_replay; nfsd4_encode_replay(&resp->xdr, op); diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c index 6a4947a3f4fa..de07ff625777 100644 --- a/fs/nfsd/nfsxdr.c +++ b/fs/nfsd/nfsxdr.c @@ -257,9 +257,6 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, len = args->count = ntohl(*p++); p++; /* totalcount - unused */ - if (!xdr_argsize_check(rqstp, p)) - return 0; - len = min_t(unsigned int, len, NFSSVC_MAXBLKSIZE_V2); /* set up somewhere to store response. @@ -275,7 +272,7 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, v++; } args->vlen = v; - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -365,11 +362,9 @@ nfssvc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd_readli p = decode_fh(p, &args->fh); if (!p) return 0; - if (!xdr_argsize_check(rqstp, p)) - return 0; args->buffer = page_address(*(rqstp->rq_next_page++)); - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -407,11 +402,9 @@ nfssvc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p, args->cookie = ntohl(*p++); args->count = ntohl(*p++); args->count = min_t(u32, args->count, PAGE_SIZE); - if (!xdr_argsize_check(rqstp, p)) - return 0; args->buffer = page_address(*(rqstp->rq_next_page++)); - return 1; + return xdr_argsize_check(rqstp, p); } /* diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c index 358258364616..4690cd75d8d7 100644 --- a/fs/ntfs/namei.c +++ b/fs/ntfs/namei.c @@ -159,7 +159,7 @@ static struct dentry *ntfs_lookup(struct inode *dir_ino, struct dentry *dent, PTR_ERR(dent_inode)); kfree(name); /* Return the error code. */ - return (struct dentry *)dent_inode; + return ERR_CAST(dent_inode); } /* It is guaranteed that @name is no longer allocated at this point. */ if (MREF_ERR(mref) == -ENOENT) { diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c index 827fc9809bc2..9f88188060db 100644 --- a/fs/ocfs2/export.c +++ b/fs/ocfs2/export.c @@ -119,7 +119,7 @@ check_err: if (IS_ERR(inode)) { mlog_errno(PTR_ERR(inode)); - result = (void *)inode; + result = ERR_CAST(inode); goto bail; } diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig index 0daac5112f7a..c0c9683934b7 100644 --- a/fs/overlayfs/Kconfig +++ b/fs/overlayfs/Kconfig @@ -1,5 +1,6 @@ config OVERLAY_FS tristate "Overlay filesystem support" + select EXPORTFS help An overlay filesystem combines two filesystems - an 'upper' filesystem and a 'lower' filesystem. When a name exists in both filesystems, the diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 9008ab9fbd2e..7a44533f4bbf 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -300,7 +300,11 @@ static int ovl_set_origin(struct dentry *dentry, struct dentry *lower, return PTR_ERR(fh); } - err = ovl_do_setxattr(upper, OVL_XATTR_ORIGIN, fh, fh ? fh->len : 0, 0); + /* + * Do not fail when upper doesn't support xattrs. + */ + err = ovl_check_setxattr(dentry, upper, OVL_XATTR_ORIGIN, fh, + fh ? fh->len : 0, 0); kfree(fh); return err; @@ -342,13 +346,14 @@ static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir, if (tmpfile) temp = ovl_do_tmpfile(upperdir, stat->mode); else - temp = ovl_lookup_temp(workdir, dentry); - err = PTR_ERR(temp); - if (IS_ERR(temp)) - goto out1; - + temp = ovl_lookup_temp(workdir); err = 0; - if (!tmpfile) + if (IS_ERR(temp)) { + err = PTR_ERR(temp); + temp = NULL; + } + + if (!err && !tmpfile) err = ovl_create_real(wdir, temp, &cattr, NULL, true); if (new_creds) { @@ -454,6 +459,11 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, ovl_path_upper(parent, &parentpath); upperdir = parentpath.dentry; + /* Mark parent "impure" because it may now contain non-pure upper */ + err = ovl_set_impure(parent, upperdir); + if (err) + return err; + err = vfs_getattr(&parentpath, &pstat, STATX_ATIME | STATX_MTIME, AT_STATX_SYNC_AS_STAT); if (err) diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 723b98b90698..a63a71656e9b 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -41,7 +41,7 @@ void ovl_cleanup(struct inode *wdir, struct dentry *wdentry) } } -struct dentry *ovl_lookup_temp(struct dentry *workdir, struct dentry *dentry) +struct dentry *ovl_lookup_temp(struct dentry *workdir) { struct dentry *temp; char name[20]; @@ -68,7 +68,7 @@ static struct dentry *ovl_whiteout(struct dentry *workdir, struct dentry *whiteout; struct inode *wdir = workdir->d_inode; - whiteout = ovl_lookup_temp(workdir, dentry); + whiteout = ovl_lookup_temp(workdir); if (IS_ERR(whiteout)) return whiteout; @@ -127,17 +127,28 @@ int ovl_create_real(struct inode *dir, struct dentry *newdentry, return err; } -static int ovl_set_opaque(struct dentry *dentry, struct dentry *upperdentry) +static int ovl_set_opaque_xerr(struct dentry *dentry, struct dentry *upper, + int xerr) { int err; - err = ovl_do_setxattr(upperdentry, OVL_XATTR_OPAQUE, "y", 1, 0); + err = ovl_check_setxattr(dentry, upper, OVL_XATTR_OPAQUE, "y", 1, xerr); if (!err) ovl_dentry_set_opaque(dentry); return err; } +static int ovl_set_opaque(struct dentry *dentry, struct dentry *upperdentry) +{ + /* + * Fail with -EIO when trying to create opaque dir and upper doesn't + * support xattrs. ovl_rename() calls ovl_set_opaque_xerr(-EXDEV) to + * return a specific error for noxattr case. + */ + return ovl_set_opaque_xerr(dentry, upperdentry, -EIO); +} + /* Common operations required to be done after creation of file on upper */ static void ovl_instantiate(struct dentry *dentry, struct inode *inode, struct dentry *newdentry, bool hardlink) @@ -162,6 +173,11 @@ static bool ovl_type_merge(struct dentry *dentry) return OVL_TYPE_MERGE(ovl_path_type(dentry)); } +static bool ovl_type_origin(struct dentry *dentry) +{ + return OVL_TYPE_ORIGIN(ovl_path_type(dentry)); +} + static int ovl_create_upper(struct dentry *dentry, struct inode *inode, struct cattr *attr, struct dentry *hardlink) { @@ -250,7 +266,7 @@ static struct dentry *ovl_clear_empty(struct dentry *dentry, if (upper->d_parent->d_inode != udir) goto out_unlock; - opaquedir = ovl_lookup_temp(workdir, dentry); + opaquedir = ovl_lookup_temp(workdir); err = PTR_ERR(opaquedir); if (IS_ERR(opaquedir)) goto out_unlock; @@ -382,7 +398,7 @@ static int ovl_create_over_whiteout(struct dentry *dentry, struct inode *inode, if (err) goto out; - newdentry = ovl_lookup_temp(workdir, dentry); + newdentry = ovl_lookup_temp(workdir); err = PTR_ERR(newdentry); if (IS_ERR(newdentry)) goto out_unlock; @@ -846,18 +862,16 @@ static int ovl_set_redirect(struct dentry *dentry, bool samedir) if (IS_ERR(redirect)) return PTR_ERR(redirect); - err = ovl_do_setxattr(ovl_dentry_upper(dentry), OVL_XATTR_REDIRECT, - redirect, strlen(redirect), 0); + err = ovl_check_setxattr(dentry, ovl_dentry_upper(dentry), + OVL_XATTR_REDIRECT, + redirect, strlen(redirect), -EXDEV); if (!err) { spin_lock(&dentry->d_lock); ovl_dentry_set_redirect(dentry, redirect); spin_unlock(&dentry->d_lock); } else { kfree(redirect); - if (err == -EOPNOTSUPP) - ovl_clear_redirect_dir(dentry->d_sb); - else - pr_warn_ratelimited("overlay: failed to set redirect (%i)\n", err); + pr_warn_ratelimited("overlay: failed to set redirect (%i)\n", err); /* Fall back to userspace copy-up */ err = -EXDEV; } @@ -943,6 +957,25 @@ static int ovl_rename(struct inode *olddir, struct dentry *old, old_upperdir = ovl_dentry_upper(old->d_parent); new_upperdir = ovl_dentry_upper(new->d_parent); + if (!samedir) { + /* + * When moving a merge dir or non-dir with copy up origin into + * a new parent, we are marking the new parent dir "impure". + * When ovl_iterate() iterates an "impure" upper dir, it will + * lookup the origin inodes of the entries to fill d_ino. + */ + if (ovl_type_origin(old)) { + err = ovl_set_impure(new->d_parent, new_upperdir); + if (err) + goto out_revert_creds; + } + if (!overwrite && ovl_type_origin(new)) { + err = ovl_set_impure(old->d_parent, old_upperdir); + if (err) + goto out_revert_creds; + } + } + trap = lock_rename(new_upperdir, old_upperdir); olddentry = lookup_one_len(old->d_name.name, old_upperdir, @@ -992,7 +1025,7 @@ static int ovl_rename(struct inode *olddir, struct dentry *old, if (ovl_type_merge_or_lower(old)) err = ovl_set_redirect(old, samedir); else if (!old_opaque && ovl_type_merge(new->d_parent)) - err = ovl_set_opaque(old, olddentry); + err = ovl_set_opaque_xerr(old, olddentry, -EXDEV); if (err) goto out_dput; } @@ -1000,7 +1033,7 @@ static int ovl_rename(struct inode *olddir, struct dentry *old, if (ovl_type_merge_or_lower(new)) err = ovl_set_redirect(new, samedir); else if (!new_opaque && ovl_type_merge(old->d_parent)) - err = ovl_set_opaque(new, newdentry); + err = ovl_set_opaque_xerr(new, newdentry, -EXDEV); if (err) goto out_dput; } diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index ad9547f82da5..d613e2c41242 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -240,6 +240,16 @@ int ovl_xattr_get(struct dentry *dentry, const char *name, return res; } +static bool ovl_can_list(const char *s) +{ + /* List all non-trusted xatts */ + if (strncmp(s, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN) != 0) + return true; + + /* Never list trusted.overlay, list other trusted for superuser only */ + return !ovl_is_private_xattr(s) && capable(CAP_SYS_ADMIN); +} + ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size) { struct dentry *realdentry = ovl_dentry_real(dentry); @@ -263,7 +273,7 @@ ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size) return -EIO; len -= slen; - if (ovl_is_private_xattr(s)) { + if (!ovl_can_list(s)) { res -= slen; memmove(s, s + slen, len); } else { diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index bad0f665a635..f3136c31e72a 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -169,17 +169,7 @@ invalid: static bool ovl_is_opaquedir(struct dentry *dentry) { - int res; - char val; - - if (!d_is_dir(dentry)) - return false; - - res = vfs_getxattr(dentry, OVL_XATTR_OPAQUE, &val, 1); - if (res == 1 && val == 'y') - return true; - - return false; + return ovl_check_dir_xattr(dentry, OVL_XATTR_OPAQUE); } static int ovl_lookup_single(struct dentry *base, struct ovl_lookup_data *d, @@ -351,6 +341,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, unsigned int ctr = 0; struct inode *inode = NULL; bool upperopaque = false; + bool upperimpure = false; char *upperredirect = NULL; struct dentry *this; unsigned int i; @@ -395,6 +386,8 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, poe = roe; } upperopaque = d.opaque; + if (upperdentry && d.is_dir) + upperimpure = ovl_is_impuredir(upperdentry); } if (!d.stop && poe->numlower) { @@ -463,6 +456,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, revert_creds(old_cred); oe->opaque = upperopaque; + oe->impure = upperimpure; oe->redirect = upperredirect; oe->__upperdentry = upperdentry; memcpy(oe->lowerstack, stack, sizeof(struct path) * ctr); diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index caa36cb9c46d..0623cebeefff 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -24,6 +24,7 @@ enum ovl_path_type { #define OVL_XATTR_OPAQUE OVL_XATTR_PREFIX "opaque" #define OVL_XATTR_REDIRECT OVL_XATTR_PREFIX "redirect" #define OVL_XATTR_ORIGIN OVL_XATTR_PREFIX "origin" +#define OVL_XATTR_IMPURE OVL_XATTR_PREFIX "impure" /* * The tuple (fh,uuid) is a universal unique identifier for a copy up origin, @@ -203,10 +204,10 @@ struct dentry *ovl_dentry_real(struct dentry *dentry); struct ovl_dir_cache *ovl_dir_cache(struct dentry *dentry); void ovl_set_dir_cache(struct dentry *dentry, struct ovl_dir_cache *cache); bool ovl_dentry_is_opaque(struct dentry *dentry); +bool ovl_dentry_is_impure(struct dentry *dentry); bool ovl_dentry_is_whiteout(struct dentry *dentry); void ovl_dentry_set_opaque(struct dentry *dentry); bool ovl_redirect_dir(struct super_block *sb); -void ovl_clear_redirect_dir(struct super_block *sb); const char *ovl_dentry_get_redirect(struct dentry *dentry); void ovl_dentry_set_redirect(struct dentry *dentry, const char *redirect); void ovl_dentry_update(struct dentry *dentry, struct dentry *upperdentry); @@ -219,6 +220,17 @@ bool ovl_is_whiteout(struct dentry *dentry); struct file *ovl_path_open(struct path *path, int flags); int ovl_copy_up_start(struct dentry *dentry); void ovl_copy_up_end(struct dentry *dentry); +bool ovl_check_dir_xattr(struct dentry *dentry, const char *name); +int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry, + const char *name, const void *value, size_t size, + int xerr); +int ovl_set_impure(struct dentry *dentry, struct dentry *upperdentry); + +static inline bool ovl_is_impuredir(struct dentry *dentry) +{ + return ovl_check_dir_xattr(dentry, OVL_XATTR_IMPURE); +} + /* namei.c */ int ovl_path_next(int idx, struct dentry *dentry, struct path *path); @@ -263,7 +275,7 @@ static inline void ovl_copyattr(struct inode *from, struct inode *to) /* dir.c */ extern const struct inode_operations ovl_dir_inode_operations; -struct dentry *ovl_lookup_temp(struct dentry *workdir, struct dentry *dentry); +struct dentry *ovl_lookup_temp(struct dentry *workdir); struct cattr { dev_t rdev; umode_t mode; diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h index b2023ddb8532..34bc4a9f5c61 100644 --- a/fs/overlayfs/ovl_entry.h +++ b/fs/overlayfs/ovl_entry.h @@ -28,6 +28,7 @@ struct ovl_fs { /* creds of process who forced instantiation of super block */ const struct cred *creator_cred; bool tmpfile; + bool noxattr; wait_queue_head_t copyup_wq; /* sb common to all layers */ struct super_block *same_sb; @@ -42,6 +43,7 @@ struct ovl_entry { u64 version; const char *redirect; bool opaque; + bool impure; bool copying; }; struct rcu_head rcu; diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 9828b7de8999..4882ffb37bae 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -891,6 +891,19 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) dput(temp); else pr_warn("overlayfs: upper fs does not support tmpfile.\n"); + + /* + * Check if upper/work fs supports trusted.overlay.* + * xattr + */ + err = ovl_do_setxattr(ufs->workdir, OVL_XATTR_OPAQUE, + "0", 1, 0); + if (err) { + ufs->noxattr = true; + pr_warn("overlayfs: upper fs does not support xattr.\n"); + } else { + vfs_removexattr(ufs->workdir, OVL_XATTR_OPAQUE); + } } } @@ -961,7 +974,10 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) path_put(&workpath); kfree(lowertmp); - oe->__upperdentry = upperpath.dentry; + if (upperpath.dentry) { + oe->__upperdentry = upperpath.dentry; + oe->impure = ovl_is_impuredir(upperpath.dentry); + } for (i = 0; i < numlower; i++) { oe->lowerstack[i].dentry = stack[i].dentry; oe->lowerstack[i].mnt = ufs->lower_mnt[i]; diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index cfdea47313a1..809048913889 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -175,6 +175,13 @@ bool ovl_dentry_is_opaque(struct dentry *dentry) return oe->opaque; } +bool ovl_dentry_is_impure(struct dentry *dentry) +{ + struct ovl_entry *oe = dentry->d_fsdata; + + return oe->impure; +} + bool ovl_dentry_is_whiteout(struct dentry *dentry) { return !dentry->d_inode && ovl_dentry_is_opaque(dentry); @@ -191,14 +198,7 @@ bool ovl_redirect_dir(struct super_block *sb) { struct ovl_fs *ofs = sb->s_fs_info; - return ofs->config.redirect_dir; -} - -void ovl_clear_redirect_dir(struct super_block *sb) -{ - struct ovl_fs *ofs = sb->s_fs_info; - - ofs->config.redirect_dir = false; + return ofs->config.redirect_dir && !ofs->noxattr; } const char *ovl_dentry_get_redirect(struct dentry *dentry) @@ -303,3 +303,59 @@ void ovl_copy_up_end(struct dentry *dentry) wake_up_locked(&ofs->copyup_wq); spin_unlock(&ofs->copyup_wq.lock); } + +bool ovl_check_dir_xattr(struct dentry *dentry, const char *name) +{ + int res; + char val; + + if (!d_is_dir(dentry)) + return false; + + res = vfs_getxattr(dentry, name, &val, 1); + if (res == 1 && val == 'y') + return true; + + return false; +} + +int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry, + const char *name, const void *value, size_t size, + int xerr) +{ + int err; + struct ovl_fs *ofs = dentry->d_sb->s_fs_info; + + if (ofs->noxattr) + return xerr; + + err = ovl_do_setxattr(upperdentry, name, value, size, 0); + + if (err == -EOPNOTSUPP) { + pr_warn("overlayfs: cannot set %s xattr on upper\n", name); + ofs->noxattr = true; + return xerr; + } + + return err; +} + +int ovl_set_impure(struct dentry *dentry, struct dentry *upperdentry) +{ + int err; + struct ovl_entry *oe = dentry->d_fsdata; + + if (oe->impure) + return 0; + + /* + * Do not fail when upper doesn't support xattrs. + * Upper inodes won't have origin nor redirect xattr anyway. + */ + err = ovl_check_setxattr(dentry, upperdentry, OVL_XATTR_IMPURE, + "y", 1, 0); + if (!err) + oe->impure = true; + + return err; +} diff --git a/fs/proc/base.c b/fs/proc/base.c index 45f6bf68fff3..f1e1927ccd48 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -821,7 +821,7 @@ static ssize_t mem_rw(struct file *file, char __user *buf, if (!mmget_not_zero(mm)) goto free; - flags = write ? FOLL_WRITE : 0; + flags = FOLL_FORCE | (write ? FOLL_WRITE : 0); while (count > 0) { int this_len = min_t(int, count, PAGE_SIZE); diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index da01f497180a..39bb1e838d8d 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1112,7 +1112,7 @@ static int flush_commit_list(struct super_block *s, depth = reiserfs_write_unlock_nested(s); if (reiserfs_barrier_flush(s)) __sync_dirty_buffer(jl->j_commit_bh, - REQ_PREFLUSH | REQ_FUA); + REQ_SYNC | REQ_PREFLUSH | REQ_FUA); else sync_dirty_buffer(jl->j_commit_bh); reiserfs_write_lock_nested(s, depth); @@ -1271,7 +1271,7 @@ static int _update_journal_header_block(struct super_block *sb, if (reiserfs_barrier_flush(sb)) __sync_dirty_buffer(journal->j_header_bh, - REQ_PREFLUSH | REQ_FUA); + REQ_SYNC | REQ_PREFLUSH | REQ_FUA); else sync_dirty_buffer(journal->j_header_bh); diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 131b2b77c818..29ecaf739449 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -812,9 +812,8 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) uspi->s_dirblksize = UFS_SECTOR_SIZE; super_block_offset=UFS_SBLOCK; - /* Keep 2Gig file limit. Some UFS variants need to override - this but as I don't know which I'll let those in the know loosen - the rules */ + sb->s_maxbytes = MAX_LFS_FILESIZE; + switch (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) { case UFS_MOUNT_UFSTYPE_44BSD: UFSD("ufstype=44bsd\n"); diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 62fa39276a24..07b77b73b024 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -97,12 +97,16 @@ static inline void xfs_buf_ioacct_inc( struct xfs_buf *bp) { - if (bp->b_flags & (XBF_NO_IOACCT|_XBF_IN_FLIGHT)) + if (bp->b_flags & XBF_NO_IOACCT) return; ASSERT(bp->b_flags & XBF_ASYNC); - bp->b_flags |= _XBF_IN_FLIGHT; - percpu_counter_inc(&bp->b_target->bt_io_count); + spin_lock(&bp->b_lock); + if (!(bp->b_state & XFS_BSTATE_IN_FLIGHT)) { + bp->b_state |= XFS_BSTATE_IN_FLIGHT; + percpu_counter_inc(&bp->b_target->bt_io_count); + } + spin_unlock(&bp->b_lock); } /* @@ -110,14 +114,24 @@ xfs_buf_ioacct_inc( * freed and unaccount from the buftarg. */ static inline void -xfs_buf_ioacct_dec( +__xfs_buf_ioacct_dec( struct xfs_buf *bp) { - if (!(bp->b_flags & _XBF_IN_FLIGHT)) - return; + ASSERT(spin_is_locked(&bp->b_lock)); - bp->b_flags &= ~_XBF_IN_FLIGHT; - percpu_counter_dec(&bp->b_target->bt_io_count); + if (bp->b_state & XFS_BSTATE_IN_FLIGHT) { + bp->b_state &= ~XFS_BSTATE_IN_FLIGHT; + percpu_counter_dec(&bp->b_target->bt_io_count); + } +} + +static inline void +xfs_buf_ioacct_dec( + struct xfs_buf *bp) +{ + spin_lock(&bp->b_lock); + __xfs_buf_ioacct_dec(bp); + spin_unlock(&bp->b_lock); } /* @@ -149,9 +163,9 @@ xfs_buf_stale( * unaccounted (released to LRU) before that occurs. Drop in-flight * status now to preserve accounting consistency. */ - xfs_buf_ioacct_dec(bp); - spin_lock(&bp->b_lock); + __xfs_buf_ioacct_dec(bp); + atomic_set(&bp->b_lru_ref, 0); if (!(bp->b_state & XFS_BSTATE_DISPOSE) && (list_lru_del(&bp->b_target->bt_lru, &bp->b_lru))) @@ -979,12 +993,12 @@ xfs_buf_rele( * ensures the decrement occurs only once per-buf. */ if ((atomic_read(&bp->b_hold) == 1) && !list_empty(&bp->b_lru)) - xfs_buf_ioacct_dec(bp); + __xfs_buf_ioacct_dec(bp); goto out_unlock; } /* the last reference has been dropped ... */ - xfs_buf_ioacct_dec(bp); + __xfs_buf_ioacct_dec(bp); if (!(bp->b_flags & XBF_STALE) && atomic_read(&bp->b_lru_ref)) { /* * If the buffer is added to the LRU take a new reference to the diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 8d1d44f87ce9..1508121f29f2 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -63,7 +63,6 @@ typedef enum { #define _XBF_KMEM (1 << 21)/* backed by heap memory */ #define _XBF_DELWRI_Q (1 << 22)/* buffer on a delwri queue */ #define _XBF_COMPOUND (1 << 23)/* compound buffer */ -#define _XBF_IN_FLIGHT (1 << 25) /* I/O in flight, for accounting purposes */ typedef unsigned int xfs_buf_flags_t; @@ -84,14 +83,14 @@ typedef unsigned int xfs_buf_flags_t; { _XBF_PAGES, "PAGES" }, \ { _XBF_KMEM, "KMEM" }, \ { _XBF_DELWRI_Q, "DELWRI_Q" }, \ - { _XBF_COMPOUND, "COMPOUND" }, \ - { _XBF_IN_FLIGHT, "IN_FLIGHT" } + { _XBF_COMPOUND, "COMPOUND" } /* * Internal state flags. */ #define XFS_BSTATE_DISPOSE (1 << 0) /* buffer being discarded */ +#define XFS_BSTATE_IN_FLIGHT (1 << 1) /* I/O in flight */ /* * The xfs_buftarg contains 2 notions of "sector size" - diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index c0bd0d7651a9..bb837310c07e 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -913,4 +913,55 @@ void drm_dp_aux_unregister(struct drm_dp_aux *aux); int drm_dp_start_crc(struct drm_dp_aux *aux, struct drm_crtc *crtc); int drm_dp_stop_crc(struct drm_dp_aux *aux); +struct drm_dp_dpcd_ident { + u8 oui[3]; + u8 device_id[6]; + u8 hw_rev; + u8 sw_major_rev; + u8 sw_minor_rev; +} __packed; + +/** + * struct drm_dp_desc - DP branch/sink device descriptor + * @ident: DP device identification from DPCD 0x400 (sink) or 0x500 (branch). + * @quirks: Quirks; use drm_dp_has_quirk() to query for the quirks. + */ +struct drm_dp_desc { + struct drm_dp_dpcd_ident ident; + u32 quirks; +}; + +int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc, + bool is_branch); + +/** + * enum drm_dp_quirk - Display Port sink/branch device specific quirks + * + * Display Port sink and branch devices in the wild have a variety of bugs, try + * to collect them here. The quirks are shared, but it's up to the drivers to + * implement workarounds for them. + */ +enum drm_dp_quirk { + /** + * @DP_DPCD_QUIRK_LIMITED_M_N: + * + * The device requires main link attributes Mvid and Nvid to be limited + * to 16 bits. + */ + DP_DPCD_QUIRK_LIMITED_M_N, +}; + +/** + * drm_dp_has_quirk() - does the DP device have a specific quirk + * @desc: Device decriptor filled by drm_dp_read_desc() + * @quirk: Quirk to query for + * + * Return true if DP device identified by @desc has @quirk. + */ +static inline bool +drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk) +{ + return desc->quirks & BIT(quirk); +} + #endif /* _DRM_DP_HELPER_H_ */ diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 21745946cae1..ec47101cb1bf 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -48,6 +48,7 @@ enum { CSS_ONLINE = (1 << 1), /* between ->css_online() and ->css_offline() */ CSS_RELEASED = (1 << 2), /* refcnt reached zero, released */ CSS_VISIBLE = (1 << 3), /* css is visible to userland */ + CSS_DYING = (1 << 4), /* css is dying */ }; /* bits in struct cgroup flags field */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index ed2573e149fa..710a005c6b7a 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -344,6 +344,26 @@ static inline bool css_tryget_online(struct cgroup_subsys_state *css) } /** + * css_is_dying - test whether the specified css is dying + * @css: target css + * + * Test whether @css is in the process of offlining or already offline. In + * most cases, ->css_online() and ->css_offline() callbacks should be + * enough; however, the actual offline operations are RCU delayed and this + * test returns %true also when @css is scheduled to be offlined. + * + * This is useful, for example, when the use case requires synchronous + * behavior with respect to cgroup removal. cgroup removal schedules css + * offlining but the css can seem alive while the operation is being + * delayed. If the delay affects user visible semantics, this test can be + * used to resolve the situation. + */ +static inline bool css_is_dying(struct cgroup_subsys_state *css) +{ + return !(css->flags & CSS_NO_REF) && percpu_ref_is_dying(&css->refcnt); +} + +/** * css_put - put a css reference * @css: target css * diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index de179993e039..ea9126006a69 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -15,3 +15,10 @@ * with any version that can compile the kernel */ #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) + +/* + * GCC does not warn about unused static inline functions for + * -Wunused-function. This turns out to avoid the need for complex #ifdef + * directives. Suppress the warning in clang as well. + */ +#define inline inline __attribute__((unused)) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 2b1a44f5bdb6..a89d37e8b387 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -41,7 +41,7 @@ struct vm_area_struct; #define ___GFP_WRITE 0x800000u #define ___GFP_KSWAPD_RECLAIM 0x1000000u #ifdef CONFIG_LOCKDEP -#define ___GFP_NOLOCKDEP 0x4000000u +#define ___GFP_NOLOCKDEP 0x2000000u #else #define ___GFP_NOLOCKDEP 0 #endif diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h index c0d712d22b07..f738d50cc17d 100644 --- a/include/linux/gpio/machine.h +++ b/include/linux/gpio/machine.h @@ -56,7 +56,14 @@ struct gpiod_lookup_table { .flags = _flags, \ } +#ifdef CONFIG_GPIOLIB void gpiod_add_lookup_table(struct gpiod_lookup_table *table); void gpiod_remove_lookup_table(struct gpiod_lookup_table *table); +#else +static inline +void gpiod_add_lookup_table(struct gpiod_lookup_table *table) {} +static inline +void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) {} +#endif #endif /* __LINUX_GPIO_MACHINE_H */ diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 36872fbb815d..734377ad42e9 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -64,13 +64,17 @@ extern int register_refined_jiffies(long clock_tick_rate); /* TICK_USEC is the time between ticks in usec assuming fake USER_HZ */ #define TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ) +#ifndef __jiffy_arch_data +#define __jiffy_arch_data +#endif + /* * The 64-bit value is not atomic - you MUST NOT read it * without sampling the sequence number in jiffies_lock. * get_jiffies_64() will do this for you as appropriate. */ extern u64 __cacheline_aligned_in_smp jiffies_64; -extern unsigned long volatile __cacheline_aligned_in_smp jiffies; +extern unsigned long volatile __cacheline_aligned_in_smp __jiffy_arch_data jiffies; #if (BITS_PER_LONG < 64) u64 get_jiffies_64(void); diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 4ce24a376262..8098695e5d8d 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -425,12 +425,20 @@ static inline void early_memtest(phys_addr_t start, phys_addr_t end) } #endif +extern unsigned long memblock_reserved_memory_within(phys_addr_t start_addr, + phys_addr_t end_addr); #else static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align) { return 0; } +static inline unsigned long memblock_reserved_memory_within(phys_addr_t start_addr, + phys_addr_t end_addr) +{ + return 0; +} + #endif /* CONFIG_HAVE_MEMBLOCK */ #endif /* __KERNEL__ */ diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 32de0724b400..edafedb7b509 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -766,6 +766,12 @@ enum { MLX5_CAP_PORT_TYPE_ETH = 0x1, }; +enum { + MLX5_CAP_UMR_FENCE_STRONG = 0x0, + MLX5_CAP_UMR_FENCE_SMALL = 0x1, + MLX5_CAP_UMR_FENCE_NONE = 0x2, +}; + struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_0[0x80]; @@ -875,7 +881,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_202[0x1]; u8 ipoib_enhanced_offloads[0x1]; u8 ipoib_basic_offloads[0x1]; - u8 reserved_at_205[0xa]; + u8 reserved_at_205[0x5]; + u8 umr_fence[0x2]; + u8 reserved_at_20c[0x3]; u8 drain_sigerr[0x1]; u8 cmdif_checksum[0x2]; u8 sigerr_cqe[0x1]; diff --git a/include/linux/mm.h b/include/linux/mm.h index 7cb17c6b97de..b892e95d4929 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2327,6 +2327,17 @@ static inline struct page *follow_page(struct vm_area_struct *vma, #define FOLL_REMOTE 0x2000 /* we are working on non-current tsk/mm */ #define FOLL_COW 0x4000 /* internal GUP flag */ +static inline int vm_fault_to_errno(int vm_fault, int foll_flags) +{ + if (vm_fault & VM_FAULT_OOM) + return -ENOMEM; + if (vm_fault & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)) + return (foll_flags & FOLL_HWPOISON) ? -EHWPOISON : -EFAULT; + if (vm_fault & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) + return -EFAULT; + return 0; +} + typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr, void *data); extern int apply_to_page_range(struct mm_struct *mm, unsigned long address, diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index ebaccd4e7d8c..ef6a13b7bd3e 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -678,6 +678,7 @@ typedef struct pglist_data { * is the first PFN that needs to be initialised. */ unsigned long first_deferred_pfn; + unsigned long static_init_size; #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ #ifdef CONFIG_TRANSPARENT_HUGEPAGE diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 566fda587fcf..3f74ef2281e8 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -467,6 +467,7 @@ enum dmi_field { DMI_PRODUCT_VERSION, DMI_PRODUCT_SERIAL, DMI_PRODUCT_UUID, + DMI_PRODUCT_FAMILY, DMI_BOARD_VENDOR, DMI_BOARD_NAME, DMI_BOARD_VERSION, diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index 279e3c5326e3..7620eb127cff 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -42,8 +42,6 @@ * @PIN_CONFIG_BIAS_PULL_UP: the pin will be pulled up (usually with high * impedance to VDD). If the argument is != 0 pull-up is enabled, * if it is 0, pull-up is total, i.e. the pin is connected to VDD. - * @PIN_CONFIG_BIDIRECTIONAL: the pin will be configured to allow simultaneous - * input and output operations. * @PIN_CONFIG_DRIVE_OPEN_DRAIN: the pin will be driven with open drain (open * collector) which means it is usually wired with other output ports * which are then pulled up with an external resistor. Setting this @@ -98,7 +96,6 @@ enum pin_config_param { PIN_CONFIG_BIAS_PULL_DOWN, PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, PIN_CONFIG_BIAS_PULL_UP, - PIN_CONFIG_BIDIRECTIONAL, PIN_CONFIG_DRIVE_OPEN_DRAIN, PIN_CONFIG_DRIVE_OPEN_SOURCE, PIN_CONFIG_DRIVE_PUSH_PULL, diff --git a/include/linux/serdev.h b/include/linux/serdev.h index cda76c6506ca..e69402d4a8ae 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -195,6 +195,7 @@ int serdev_device_open(struct serdev_device *); void serdev_device_close(struct serdev_device *); unsigned int serdev_device_set_baudrate(struct serdev_device *, unsigned int); void serdev_device_set_flow_control(struct serdev_device *, bool); +int serdev_device_write_buf(struct serdev_device *, const unsigned char *, size_t); void serdev_device_wait_until_sent(struct serdev_device *, long); int serdev_device_get_tiocm(struct serdev_device *); int serdev_device_set_tiocm(struct serdev_device *, int, int); @@ -236,6 +237,12 @@ static inline unsigned int serdev_device_set_baudrate(struct serdev_device *sdev return 0; } static inline void serdev_device_set_flow_control(struct serdev_device *sdev, bool enable) {} +static inline int serdev_device_write_buf(struct serdev_device *serdev, + const unsigned char *buf, + size_t count) +{ + return -ENODEV; +} static inline void serdev_device_wait_until_sent(struct serdev_device *sdev, long timeout) {} static inline int serdev_device_get_tiocm(struct serdev_device *serdev) { @@ -301,7 +308,7 @@ struct tty_driver; struct device *serdev_tty_port_register(struct tty_port *port, struct device *parent, struct tty_driver *drv, int idx); -void serdev_tty_port_unregister(struct tty_port *port); +int serdev_tty_port_unregister(struct tty_port *port); #else static inline struct device *serdev_tty_port_register(struct tty_port *port, struct device *parent, @@ -309,14 +316,10 @@ static inline struct device *serdev_tty_port_register(struct tty_port *port, { return ERR_PTR(-ENODEV); } -static inline void serdev_tty_port_unregister(struct tty_port *port) {} -#endif /* CONFIG_SERIAL_DEV_CTRL_TTYPORT */ - -static inline int serdev_device_write_buf(struct serdev_device *serdev, - const unsigned char *data, - size_t count) +static inline int serdev_tty_port_unregister(struct tty_port *port) { - return serdev_device_write(serdev, data, count, 0); + return -ENODEV; } +#endif /* CONFIG_SERIAL_DEV_CTRL_TTYPORT */ #endif /*_LINUX_SERDEV_H */ diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 94631026f79c..11cef5a7bc87 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -336,7 +336,8 @@ xdr_argsize_check(struct svc_rqst *rqstp, __be32 *p) { char *cp = (char *)p; struct kvec *vec = &rqstp->rq_arg.head[0]; - return cp == (char *)vec->iov_base + vec->iov_len; + return cp >= (char*)vec->iov_base + && cp <= (char*)vec->iov_base + vec->iov_len; } static inline int diff --git a/include/linux/tty.h b/include/linux/tty.h index d07cd2105a6c..eccb4ec30a8a 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -558,6 +558,15 @@ extern struct device *tty_port_register_device_attr(struct tty_port *port, struct tty_driver *driver, unsigned index, struct device *device, void *drvdata, const struct attribute_group **attr_grp); +extern struct device *tty_port_register_device_serdev(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device); +extern struct device *tty_port_register_device_attr_serdev(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device, void *drvdata, + const struct attribute_group **attr_grp); +extern void tty_port_unregister_device(struct tty_port *port, + struct tty_driver *driver, unsigned index); extern int tty_port_alloc_xmit_buf(struct tty_port *port); extern void tty_port_free_xmit_buf(struct tty_port *port); extern void tty_port_destroy(struct tty_port *port); diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h index eb50ce54b759..413335c8cb52 100644 --- a/include/media/cec-notifier.h +++ b/include/media/cec-notifier.h @@ -29,7 +29,7 @@ struct edid; struct cec_adapter; struct cec_notifier; -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#if IS_REACHABLE(CONFIG_CEC_CORE) && IS_ENABLED(CONFIG_CEC_NOTIFIER) /** * cec_notifier_get - find or create a new cec_notifier for the given device. diff --git a/include/media/cec.h b/include/media/cec.h index b8eb895731d5..bfa88d4d67e1 100644 --- a/include/media/cec.h +++ b/include/media/cec.h @@ -173,7 +173,7 @@ struct cec_adapter { bool passthrough; struct cec_log_addrs log_addrs; -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#ifdef CONFIG_CEC_NOTIFIER struct cec_notifier *notifier; #endif @@ -300,7 +300,7 @@ u16 cec_phys_addr_for_input(u16 phys_addr, u8 input); */ int cec_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port); -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#ifdef CONFIG_CEC_NOTIFIER void cec_register_cec_notifier(struct cec_adapter *adap, struct cec_notifier *notifier); #endif diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index f5f70e345318..355b81f4242d 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.h @@ -158,7 +158,6 @@ enum sa_path_rec_type { }; struct sa_path_rec_ib { - __be64 service_id; __be16 dlid; __be16 slid; u8 raw_traffic; @@ -174,7 +173,6 @@ struct sa_path_rec_roce { }; struct sa_path_rec_opa { - __be64 service_id; __be32 dlid; __be32 slid; u8 raw_traffic; @@ -189,6 +187,7 @@ struct sa_path_rec_opa { struct sa_path_rec { union ib_gid dgid; union ib_gid sgid; + __be64 service_id; /* reserved */ __be32 flow_label; u8 hop_limit; @@ -262,7 +261,7 @@ static inline void path_conv_opa_to_ib(struct sa_path_rec *ib, ib->ib.dlid = htons(ntohl(opa->opa.dlid)); ib->ib.slid = htons(ntohl(opa->opa.slid)); } - ib->ib.service_id = opa->opa.service_id; + ib->service_id = opa->service_id; ib->ib.raw_traffic = opa->opa.raw_traffic; } @@ -281,7 +280,7 @@ static inline void path_conv_ib_to_opa(struct sa_path_rec *opa, } opa->opa.slid = slid; opa->opa.dlid = dlid; - opa->opa.service_id = ib->ib.service_id; + opa->service_id = ib->service_id; opa->opa.raw_traffic = ib->ib.raw_traffic; } @@ -591,15 +590,6 @@ static inline bool sa_path_is_roce(struct sa_path_rec *rec) (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2)); } -static inline void sa_path_set_service_id(struct sa_path_rec *rec, - __be64 service_id) -{ - if (rec->rec_type == SA_PATH_REC_TYPE_IB) - rec->ib.service_id = service_id; - else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) - rec->opa.service_id = service_id; -} - static inline void sa_path_set_slid(struct sa_path_rec *rec, __be32 slid) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) @@ -625,15 +615,6 @@ static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec, rec->opa.raw_traffic = raw_traffic; } -static inline __be64 sa_path_get_service_id(struct sa_path_rec *rec) -{ - if (rec->rec_type == SA_PATH_REC_TYPE_IB) - return rec->ib.service_id; - else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) - return rec->opa.service_id; - return 0; -} - static inline __be32 sa_path_get_slid(struct sa_path_rec *rec) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h index 585266144329..348c102cb5f6 100644 --- a/include/rdma/rdma_netlink.h +++ b/include/rdma/rdma_netlink.h @@ -10,9 +10,6 @@ struct ibnl_client_cbs { struct module *module; }; -int ibnl_init(void); -void ibnl_cleanup(void); - /** * Add a a client to the list of IB netlink exporters. * @index: Index of the added client @@ -77,11 +74,4 @@ int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh, int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh, unsigned int group, gfp_t flags); -/** - * Check if there are any listeners to the netlink group - * @group: the netlink group ID - * Returns 0 on success or a negative for no listeners. - */ -int ibnl_chk_listeners(unsigned int group); - #endif /* _RDMA_NETLINK_H */ diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index 275581d483dd..5f17fb770477 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -557,6 +557,7 @@ struct iscsi_conn { #define LOGIN_FLAGS_READ_ACTIVE 1 #define LOGIN_FLAGS_CLOSED 2 #define LOGIN_FLAGS_READY 4 +#define LOGIN_FLAGS_INITIAL_PDU 8 unsigned long login_flags; struct delayed_work login_work; struct delayed_work login_cleanup_work; diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index c3c9a0e1b3c9..8d4e85eae42c 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -4265,6 +4265,11 @@ static void kill_css(struct cgroup_subsys_state *css) { lockdep_assert_held(&cgroup_mutex); + if (css->flags & CSS_DYING) + return; + + css->flags |= CSS_DYING; + /* * This must happen before css is disassociated with its cgroup. * See seq_css() for details. diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index f6501f4f6040..ae643412948a 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -176,9 +176,9 @@ typedef enum { } cpuset_flagbits_t; /* convenient tests for these bits */ -static inline bool is_cpuset_online(const struct cpuset *cs) +static inline bool is_cpuset_online(struct cpuset *cs) { - return test_bit(CS_ONLINE, &cs->flags); + return test_bit(CS_ONLINE, &cs->flags) && !css_is_dying(&cs->css); } static inline int is_cpu_exclusive(const struct cpuset *cs) diff --git a/kernel/fork.c b/kernel/fork.c index aa1076c5e4a9..e53770d2bf95 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1577,6 +1577,18 @@ static __latent_entropy struct task_struct *copy_process( if (!p) goto fork_out; + /* + * This _must_ happen before we call free_task(), i.e. before we jump + * to any of the bad_fork_* labels. This is to avoid freeing + * p->set_child_tid which is (ab)used as a kthread's data pointer for + * kernel threads (PF_KTHREAD). + */ + p->set_child_tid = (clone_flags & CLONE_CHILD_SETTID) ? child_tidptr : NULL; + /* + * Clear TID on mm_release()? + */ + p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr : NULL; + ftrace_graph_init_task(p); rt_mutex_init_task(p); @@ -1743,11 +1755,6 @@ static __latent_entropy struct task_struct *copy_process( } } - p->set_child_tid = (clone_flags & CLONE_CHILD_SETTID) ? child_tidptr : NULL; - /* - * Clear TID on mm_release()? - */ - p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr : NULL; #ifdef CONFIG_BLOCK p->plug = NULL; #endif diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 2d2d3a568e4e..adfe3b4cfe05 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -122,7 +122,7 @@ static void *alloc_insn_page(void) return module_alloc(PAGE_SIZE); } -static void free_insn_page(void *page) +void __weak free_insn_page(void *page) { module_memfree(page); } diff --git a/kernel/livepatch/Kconfig b/kernel/livepatch/Kconfig index 045022557936..ec4565122e65 100644 --- a/kernel/livepatch/Kconfig +++ b/kernel/livepatch/Kconfig @@ -10,6 +10,7 @@ config LIVEPATCH depends on SYSFS depends on KALLSYMS_ALL depends on HAVE_LIVEPATCH + depends on !TRIM_UNUSED_KSYMS help Say Y here if you want to support kernel live patching. This option has no runtime impact until a kernel "patch" diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index b95509416909..28cd09e635ed 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -1785,12 +1785,14 @@ int rt_mutex_wait_proxy_lock(struct rt_mutex *lock, int ret; raw_spin_lock_irq(&lock->wait_lock); - - set_current_state(TASK_INTERRUPTIBLE); - /* sleep on the mutex */ + set_current_state(TASK_INTERRUPTIBLE); ret = __rt_mutex_slowlock(lock, TASK_INTERRUPTIBLE, to, waiter); - + /* + * try_to_take_rt_mutex() sets the waiter bit unconditionally. We might + * have to fix that up. + */ + fixup_rt_mutex_waiters(lock); raw_spin_unlock_irq(&lock->wait_lock); return ret; @@ -1822,15 +1824,25 @@ bool rt_mutex_cleanup_proxy_lock(struct rt_mutex *lock, raw_spin_lock_irq(&lock->wait_lock); /* + * Do an unconditional try-lock, this deals with the lock stealing + * state where __rt_mutex_futex_unlock() -> mark_wakeup_next_waiter() + * sets a NULL owner. + * + * We're not interested in the return value, because the subsequent + * test on rt_mutex_owner() will infer that. If the trylock succeeded, + * we will own the lock and it will have removed the waiter. If we + * failed the trylock, we're still not owner and we need to remove + * ourselves. + */ + try_to_take_rt_mutex(lock, current, waiter); + /* * Unless we're the owner; we're still enqueued on the wait_list. * So check if we became owner, if not, take us off the wait_list. */ if (rt_mutex_owner(lock) != current) { remove_waiter(lock, waiter); - fixup_rt_mutex_waiters(lock); cleanup = true; } - /* * try_to_take_rt_mutex() sets the waiter bit unconditionally. We might * have to fix that up. diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index 1370f067fb51..d2a1e6dd0291 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -825,8 +825,10 @@ static void check_thread_timers(struct task_struct *tsk, * At the hard limit, we just die. * No need to calculate anything else now. */ - pr_info("CPU Watchdog Timeout (hard): %s[%d]\n", - tsk->comm, task_pid_nr(tsk)); + if (print_fatal_signals) { + pr_info("CPU Watchdog Timeout (hard): %s[%d]\n", + tsk->comm, task_pid_nr(tsk)); + } __group_send_sig_info(SIGKILL, SEND_SIG_PRIV, tsk); return; } @@ -838,8 +840,10 @@ static void check_thread_timers(struct task_struct *tsk, soft += USEC_PER_SEC; sig->rlim[RLIMIT_RTTIME].rlim_cur = soft; } - pr_info("RT Watchdog Timeout (soft): %s[%d]\n", - tsk->comm, task_pid_nr(tsk)); + if (print_fatal_signals) { + pr_info("RT Watchdog Timeout (soft): %s[%d]\n", + tsk->comm, task_pid_nr(tsk)); + } __group_send_sig_info(SIGXCPU, SEND_SIG_PRIV, tsk); } } @@ -936,8 +940,10 @@ static void check_process_timers(struct task_struct *tsk, * At the hard limit, we just die. * No need to calculate anything else now. */ - pr_info("RT Watchdog Timeout (hard): %s[%d]\n", - tsk->comm, task_pid_nr(tsk)); + if (print_fatal_signals) { + pr_info("RT Watchdog Timeout (hard): %s[%d]\n", + tsk->comm, task_pid_nr(tsk)); + } __group_send_sig_info(SIGKILL, SEND_SIG_PRIV, tsk); return; } @@ -945,8 +951,10 @@ static void check_process_timers(struct task_struct *tsk, /* * At the soft limit, send a SIGXCPU every second. */ - pr_info("CPU Watchdog Timeout (soft): %s[%d]\n", - tsk->comm, task_pid_nr(tsk)); + if (print_fatal_signals) { + pr_info("CPU Watchdog Timeout (soft): %s[%d]\n", + tsk->comm, task_pid_nr(tsk)); + } __group_send_sig_info(SIGXCPU, SEND_SIG_PRIV, tsk); if (soft < hard) { soft++; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 74fdfe9ed3db..9e5841dc14b5 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -5063,7 +5063,7 @@ ftrace_graph_release(struct inode *inode, struct file *file) } out: - kfree(fgd->new_hash); + free_ftrace_hash(fgd->new_hash); kfree(fgd); return ret; @@ -407,12 +407,10 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma, ret = handle_mm_fault(vma, address, fault_flags); if (ret & VM_FAULT_ERROR) { - if (ret & VM_FAULT_OOM) - return -ENOMEM; - if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)) - return *flags & FOLL_HWPOISON ? -EHWPOISON : -EFAULT; - if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) - return -EFAULT; + int err = vm_fault_to_errno(ret, *flags); + + if (err) + return err; BUG(); } @@ -723,12 +721,10 @@ retry: ret = handle_mm_fault(vma, address, fault_flags); major |= ret & VM_FAULT_MAJOR; if (ret & VM_FAULT_ERROR) { - if (ret & VM_FAULT_OOM) - return -ENOMEM; - if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)) - return -EHWPOISON; - if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) - return -EFAULT; + int err = vm_fault_to_errno(ret, 0); + + if (err) + return err; BUG(); } diff --git a/mm/hugetlb.c b/mm/hugetlb.c index e5828875f7bb..3eedb187e549 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -4170,6 +4170,11 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, } ret = hugetlb_fault(mm, vma, vaddr, fault_flags); if (ret & VM_FAULT_ERROR) { + int err = vm_fault_to_errno(ret, flags); + + if (err) + return err; + remainder = 0; break; } @@ -1028,8 +1028,7 @@ static int try_to_merge_one_page(struct vm_area_struct *vma, goto out; if (PageTransCompound(page)) { - err = split_huge_page(page); - if (err) + if (split_huge_page(page)) goto out_unlock; } diff --git a/mm/memblock.c b/mm/memblock.c index b049c9b2dba8..7b8a5db76a2f 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1739,6 +1739,29 @@ static void __init_memblock memblock_dump(struct memblock_type *type) } } +extern unsigned long __init_memblock +memblock_reserved_memory_within(phys_addr_t start_addr, phys_addr_t end_addr) +{ + struct memblock_region *rgn; + unsigned long size = 0; + int idx; + + for_each_memblock_type((&memblock.reserved), rgn) { + phys_addr_t start, end; + + if (rgn->base + rgn->size < start_addr) + continue; + if (rgn->base > end_addr) + continue; + + start = rgn->base; + end = start + rgn->size; + size += end - start; + } + + return size; +} + void __init_memblock __memblock_dump_all(void) { pr_info("MEMBLOCK configuration:\n"); diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 2527dfeddb00..342fac9ba89b 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1595,12 +1595,8 @@ static int soft_offline_huge_page(struct page *page, int flags) if (ret) { pr_info("soft offline: %#lx: migration failed %d, type %lx (%pGp)\n", pfn, ret, page->flags, &page->flags); - /* - * We know that soft_offline_huge_page() tries to migrate - * only one hugepage pointed to by hpage, so we need not - * run through the pagelist here. - */ - putback_active_hugepage(hpage); + if (!list_empty(&pagelist)) + putback_movable_pages(&pagelist); if (ret > 0) ret = -EIO; } else { diff --git a/mm/memory.c b/mm/memory.c index 6ff5d729ded0..2e65df1831d9 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3029,6 +3029,17 @@ static int __do_fault(struct vm_fault *vmf) return ret; } +/* + * The ordering of these checks is important for pmds with _PAGE_DEVMAP set. + * If we check pmd_trans_unstable() first we will trip the bad_pmd() check + * inside of pmd_none_or_trans_huge_or_clear_bad(). This will end up correctly + * returning 1 but not before it spams dmesg with the pmd_clear_bad() output. + */ +static int pmd_devmap_trans_unstable(pmd_t *pmd) +{ + return pmd_devmap(*pmd) || pmd_trans_unstable(pmd); +} + static int pte_alloc_one_map(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; @@ -3052,18 +3063,27 @@ static int pte_alloc_one_map(struct vm_fault *vmf) map_pte: /* * If a huge pmd materialized under us just retry later. Use - * pmd_trans_unstable() instead of pmd_trans_huge() to ensure the pmd - * didn't become pmd_trans_huge under us and then back to pmd_none, as - * a result of MADV_DONTNEED running immediately after a huge pmd fault - * in a different thread of this mm, in turn leading to a misleading - * pmd_trans_huge() retval. All we have to ensure is that it is a - * regular pmd that we can walk with pte_offset_map() and we can do that - * through an atomic read in C, which is what pmd_trans_unstable() - * provides. + * pmd_trans_unstable() via pmd_devmap_trans_unstable() instead of + * pmd_trans_huge() to ensure the pmd didn't become pmd_trans_huge + * under us and then back to pmd_none, as a result of MADV_DONTNEED + * running immediately after a huge pmd fault in a different thread of + * this mm, in turn leading to a misleading pmd_trans_huge() retval. + * All we have to ensure is that it is a regular pmd that we can walk + * with pte_offset_map() and we can do that through an atomic read in + * C, which is what pmd_trans_unstable() provides. */ - if (pmd_trans_unstable(vmf->pmd) || pmd_devmap(*vmf->pmd)) + if (pmd_devmap_trans_unstable(vmf->pmd)) return VM_FAULT_NOPAGE; + /* + * At this point we know that our vmf->pmd points to a page of ptes + * and it cannot become pmd_none(), pmd_devmap() or pmd_trans_huge() + * for the duration of the fault. If a racing MADV_DONTNEED runs and + * we zap the ptes pointed to by our vmf->pmd, the vmf->ptl will still + * be valid and we will re-check to make sure the vmf->pte isn't + * pte_none() under vmf->ptl protection when we return to + * alloc_set_pte(). + */ vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address, &vmf->ptl); return 0; @@ -3690,7 +3710,7 @@ static int handle_pte_fault(struct vm_fault *vmf) vmf->pte = NULL; } else { /* See comment in pte_alloc_one_map() */ - if (pmd_trans_unstable(vmf->pmd) || pmd_devmap(*vmf->pmd)) + if (pmd_devmap_trans_unstable(vmf->pmd)) return 0; /* * A regular pmd is established and it can't morph into a huge diff --git a/mm/mlock.c b/mm/mlock.c index c483c5c20b4b..b562b5523a65 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -284,7 +284,7 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) { int i; int nr = pagevec_count(pvec); - int delta_munlocked; + int delta_munlocked = -nr; struct pagevec pvec_putback; int pgrescued = 0; @@ -304,6 +304,8 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) continue; else __munlock_isolation_failed(page); + } else { + delta_munlocked++; } /* @@ -315,7 +317,6 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) pagevec_add(&pvec_putback, pvec->pages[i]); pvec->pages[i] = NULL; } - delta_munlocked = -nr + pagevec_count(&pvec_putback); __mod_zone_page_state(zone, NR_MLOCK, delta_munlocked); spin_unlock_irq(zone_lru_lock(zone)); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index f9e450c6b6e4..2302f250d6b1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -292,6 +292,26 @@ int page_group_by_mobility_disabled __read_mostly; #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT static inline void reset_deferred_meminit(pg_data_t *pgdat) { + unsigned long max_initialise; + unsigned long reserved_lowmem; + + /* + * Initialise at least 2G of a node but also take into account that + * two large system hashes that can take up 1GB for 0.25TB/node. + */ + max_initialise = max(2UL << (30 - PAGE_SHIFT), + (pgdat->node_spanned_pages >> 8)); + + /* + * Compensate the all the memblock reservations (e.g. crash kernel) + * from the initial estimation to make sure we will initialize enough + * memory to boot. + */ + reserved_lowmem = memblock_reserved_memory_within(pgdat->node_start_pfn, + pgdat->node_start_pfn + max_initialise); + max_initialise += reserved_lowmem; + + pgdat->static_init_size = min(max_initialise, pgdat->node_spanned_pages); pgdat->first_deferred_pfn = ULONG_MAX; } @@ -314,20 +334,11 @@ static inline bool update_defer_init(pg_data_t *pgdat, unsigned long pfn, unsigned long zone_end, unsigned long *nr_initialised) { - unsigned long max_initialise; - /* Always populate low zones for address-contrained allocations */ if (zone_end < pgdat_end_pfn(pgdat)) return true; - /* - * Initialise at least 2G of a node but also take into account that - * two large system hashes that can take up 1GB for 0.25TB/node. - */ - max_initialise = max(2UL << (30 - PAGE_SHIFT), - (pgdat->node_spanned_pages >> 8)); - (*nr_initialised)++; - if ((*nr_initialised > max_initialise) && + if ((*nr_initialised > pgdat->static_init_size) && (pfn & (PAGES_PER_SECTION - 1)) == 0) { pgdat->first_deferred_pfn = pfn; return false; @@ -3870,7 +3881,9 @@ retry: goto got_pg; /* Avoid allocations with no watermarks from looping endlessly */ - if (test_thread_flag(TIF_MEMDIE)) + if (test_thread_flag(TIF_MEMDIE) && + (alloc_flags == ALLOC_NO_WATERMARKS || + (gfp_mask & __GFP_NOMEMALLOC))) goto nopage; /* Retry as long as the OOM killer is making progress */ @@ -6136,7 +6149,6 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size, /* pg_data_t should be reset to zero when it's allocated */ WARN_ON(pgdat->nr_zones || pgdat->kswapd_classzone_idx); - reset_deferred_meminit(pgdat); pgdat->node_id = nid; pgdat->node_start_pfn = node_start_pfn; pgdat->per_cpu_nodestats = NULL; @@ -6158,6 +6170,7 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size, (unsigned long)pgdat->node_mem_map); #endif + reset_deferred_meminit(pgdat); free_area_init_core(pgdat); } diff --git a/mm/slub.c b/mm/slub.c index 57e5156f02be..7449593fca72 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5512,6 +5512,7 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s) char mbuf[64]; char *buf; struct slab_attribute *attr = to_slab_attr(slab_attrs[i]); + ssize_t len; if (!attr || !attr->store || !attr->show) continue; @@ -5536,8 +5537,9 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s) buf = buffer; } - attr->show(root_cache, buf); - attr->store(s, buf, strlen(buf)); + len = attr->show(root_cache, buf); + if (len > 0) + attr->store(s, buf, len); } if (buffer) diff --git a/mm/util.c b/mm/util.c index 464df3489903..26be6407abd7 100644 --- a/mm/util.c +++ b/mm/util.c @@ -357,8 +357,11 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node) WARN_ON_ONCE((flags & GFP_KERNEL) != GFP_KERNEL); /* - * Make sure that larger requests are not too disruptive - no OOM - * killer and no allocation failure warnings as we have a fallback + * We want to attempt a large physically contiguous block first because + * it is less likely to fragment multiple larger blocks and therefore + * contribute to a long term fragmentation less than vmalloc fallback. + * However make sure that larger requests are not too disruptive - no + * OOM killer and no allocation failure warnings as we have a fallback. */ if (size > PAGE_SIZE) { kmalloc_flags |= __GFP_NOWARN; diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c index 24fedd4b117e..03f6b5840764 100644 --- a/net/sunrpc/xprtrdma/backchannel.c +++ b/net/sunrpc/xprtrdma/backchannel.c @@ -119,11 +119,9 @@ int xprt_rdma_bc_setup(struct rpc_xprt *xprt, unsigned int reqs) for (i = 0; i < (reqs << 1); i++) { rqst = kzalloc(sizeof(*rqst), GFP_KERNEL); - if (!rqst) { - pr_err("RPC: %s: Failed to create bc rpc_rqst\n", - __func__); + if (!rqst) goto out_free; - } + dprintk("RPC: %s: new rqst %p\n", __func__, rqst); rqst->rq_xprt = &r_xprt->rx_xprt; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 16aff8ddc16f..d5b54c020dec 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2432,7 +2432,12 @@ static void xs_tcp_setup_socket(struct work_struct *work) case -ENETUNREACH: case -EADDRINUSE: case -ENOBUFS: - /* retry with existing socket, after a delay */ + /* + * xs_tcp_force_close() wakes tasks with -EIO. + * We need to wake them first to ensure the + * correct error code. + */ + xprt_wake_pending_tasks(xprt, status); xs_tcp_force_close(xprt); goto out; } diff --git a/scripts/gdb/linux/dmesg.py b/scripts/gdb/linux/dmesg.py index f9b92ece7834..5afd1098e33a 100644 --- a/scripts/gdb/linux/dmesg.py +++ b/scripts/gdb/linux/dmesg.py @@ -23,10 +23,11 @@ class LxDmesg(gdb.Command): super(LxDmesg, self).__init__("lx-dmesg", gdb.COMMAND_DATA) def invoke(self, arg, from_tty): - log_buf_addr = int(str(gdb.parse_and_eval("log_buf")).split()[0], 16) - log_first_idx = int(gdb.parse_and_eval("log_first_idx")) - log_next_idx = int(gdb.parse_and_eval("log_next_idx")) - log_buf_len = int(gdb.parse_and_eval("log_buf_len")) + log_buf_addr = int(str(gdb.parse_and_eval( + "'printk.c'::log_buf")).split()[0], 16) + log_first_idx = int(gdb.parse_and_eval("'printk.c'::log_first_idx")) + log_next_idx = int(gdb.parse_and_eval("'printk.c'::log_next_idx")) + log_buf_len = int(gdb.parse_and_eval("'printk.c'::log_buf_len")) inf = gdb.inferiors()[0] start = log_buf_addr + log_first_idx diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 918e45268915..a57988d617e9 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2324,11 +2324,11 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_MBA11_VREF), SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC882_FIXUP_EAPD), - SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), - SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3), SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE), SND_PCI_QUIRK(0x1458, 0xa0b8, "Gigabyte AZ370-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS), + SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), SND_PCI_QUIRK(0x1462, 0xda57, "MSI Z270-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS), + SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3), SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", ALC882_FIXUP_ABIT_AW9D_MAX), SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD), SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD), diff --git a/sound/usb/mixer_us16x08.c b/sound/usb/mixer_us16x08.c index dc48eedea92e..26ed23b18b77 100644 --- a/sound/usb/mixer_us16x08.c +++ b/sound/usb/mixer_us16x08.c @@ -698,16 +698,18 @@ static int snd_us16x08_meter_get(struct snd_kcontrol *kcontrol, struct snd_usb_audio *chip = elem->head.mixer->chip; struct snd_us16x08_meter_store *store = elem->private_data; u8 meter_urb[64]; - char tmp[sizeof(mix_init_msg2)] = {0}; switch (kcontrol->private_value) { - case 0: - snd_us16x08_send_urb(chip, (char *)mix_init_msg1, - sizeof(mix_init_msg1)); + case 0: { + char tmp[sizeof(mix_init_msg1)]; + + memcpy(tmp, mix_init_msg1, sizeof(mix_init_msg1)); + snd_us16x08_send_urb(chip, tmp, 4); snd_us16x08_recv_urb(chip, meter_urb, sizeof(meter_urb)); kcontrol->private_value++; break; + } case 1: snd_us16x08_recv_urb(chip, meter_urb, sizeof(meter_urb)); @@ -718,15 +720,18 @@ static int snd_us16x08_meter_get(struct snd_kcontrol *kcontrol, sizeof(meter_urb)); kcontrol->private_value++; break; - case 3: + case 3: { + char tmp[sizeof(mix_init_msg2)]; + memcpy(tmp, mix_init_msg2, sizeof(mix_init_msg2)); tmp[2] = snd_get_meter_comp_index(store); - snd_us16x08_send_urb(chip, tmp, sizeof(mix_init_msg2)); + snd_us16x08_send_urb(chip, tmp, 10); snd_us16x08_recv_urb(chip, meter_urb, sizeof(meter_urb)); kcontrol->private_value = 0; break; } + } for (set = 0; set < 6; set++) get_meter_levels_from_urb(set, store, meter_urb); @@ -1135,7 +1140,7 @@ static const struct snd_us16x08_control_params eq_controls[] = { .control_id = SND_US16X08_ID_EQLOWMIDWIDTH, .type = USB_MIXER_U8, .num_channels = 16, - .name = "EQ MidQLow Q", + .name = "EQ MidLow Q", }, { /* EQ mid high gain */ .kcontrol_new = &snd_us16x08_eq_gain_ctl, diff --git a/tools/arch/arm/include/uapi/asm/kvm.h b/tools/arch/arm/include/uapi/asm/kvm.h index 6ebd3e6a1fd1..5e3c673fa3f4 100644 --- a/tools/arch/arm/include/uapi/asm/kvm.h +++ b/tools/arch/arm/include/uapi/asm/kvm.h @@ -27,6 +27,8 @@ #define __KVM_HAVE_IRQ_LINE #define __KVM_HAVE_READONLY_MEM +#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 + #define KVM_REG_SIZE(id) \ (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) @@ -114,6 +116,8 @@ struct kvm_debug_exit_arch { }; struct kvm_sync_regs { + /* Used with KVM_CAP_ARM_USER_IRQ */ + __u64 device_irq_level; }; struct kvm_arch_memory_slot { @@ -192,13 +196,17 @@ struct kvm_arch_memory_slot { #define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5 #define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6 #define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7 +#define KVM_DEV_ARM_VGIC_GRP_ITS_REGS 8 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \ (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff #define VGIC_LEVEL_INFO_LINE_LEVEL 0 -#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_ITS_SAVE_TABLES 1 +#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 +#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 /* KVM_IRQ_LINE irq field index values */ #define KVM_ARM_IRQ_TYPE_SHIFT 24 diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h index c2860358ae3e..70eea2ecc663 100644 --- a/tools/arch/arm64/include/uapi/asm/kvm.h +++ b/tools/arch/arm64/include/uapi/asm/kvm.h @@ -39,6 +39,8 @@ #define __KVM_HAVE_IRQ_LINE #define __KVM_HAVE_READONLY_MEM +#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 + #define KVM_REG_SIZE(id) \ (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) @@ -143,6 +145,8 @@ struct kvm_debug_exit_arch { #define KVM_GUESTDBG_USE_HW (1 << 17) struct kvm_sync_regs { + /* Used with KVM_CAP_ARM_USER_IRQ */ + __u64 device_irq_level; }; struct kvm_arch_memory_slot { @@ -212,13 +216,17 @@ struct kvm_arch_memory_slot { #define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5 #define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6 #define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7 +#define KVM_DEV_ARM_VGIC_GRP_ITS_REGS 8 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \ (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff #define VGIC_LEVEL_INFO_LINE_LEVEL 0 -#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_ITS_SAVE_TABLES 1 +#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 +#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 /* Device Control API on vcpu fd */ #define KVM_ARM_VCPU_PMU_V3_CTRL 0 diff --git a/tools/arch/powerpc/include/uapi/asm/kvm.h b/tools/arch/powerpc/include/uapi/asm/kvm.h index 4edbe4bb0e8b..07fbeb927834 100644 --- a/tools/arch/powerpc/include/uapi/asm/kvm.h +++ b/tools/arch/powerpc/include/uapi/asm/kvm.h @@ -29,6 +29,9 @@ #define __KVM_HAVE_IRQ_LINE #define __KVM_HAVE_GUEST_DEBUG +/* Not always available, but if it is, this is the correct offset. */ +#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 + struct kvm_regs { __u64 pc; __u64 cr; diff --git a/tools/arch/s390/include/uapi/asm/kvm.h b/tools/arch/s390/include/uapi/asm/kvm.h index 7f4fd65e9208..3dd2a1d308dd 100644 --- a/tools/arch/s390/include/uapi/asm/kvm.h +++ b/tools/arch/s390/include/uapi/asm/kvm.h @@ -26,6 +26,8 @@ #define KVM_DEV_FLIC_ADAPTER_REGISTER 6 #define KVM_DEV_FLIC_ADAPTER_MODIFY 7 #define KVM_DEV_FLIC_CLEAR_IO_IRQ 8 +#define KVM_DEV_FLIC_AISM 9 +#define KVM_DEV_FLIC_AIRQ_INJECT 10 /* * We can have up to 4*64k pending subchannels + 8 adapter interrupts, * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. @@ -41,7 +43,14 @@ struct kvm_s390_io_adapter { __u8 isc; __u8 maskable; __u8 swap; - __u8 pad; + __u8 flags; +}; + +#define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01 + +struct kvm_s390_ais_req { + __u8 isc; + __u16 mode; }; #define KVM_S390_IO_ADAPTER_MASK 1 @@ -110,6 +119,7 @@ struct kvm_s390_vm_cpu_machine { #define KVM_S390_VM_CPU_FEAT_CMMA 10 #define KVM_S390_VM_CPU_FEAT_PFMFI 11 #define KVM_S390_VM_CPU_FEAT_SIGPIF 12 +#define KVM_S390_VM_CPU_FEAT_KSS 13 struct kvm_s390_vm_cpu_feat { __u64 feat[16]; }; @@ -198,6 +208,10 @@ struct kvm_guest_debug_arch { #define KVM_SYNC_VRS (1UL << 6) #define KVM_SYNC_RICCB (1UL << 7) #define KVM_SYNC_FPRS (1UL << 8) +#define KVM_SYNC_GSCB (1UL << 9) +/* length and alignment of the sdnx as a power of two */ +#define SDNXC 8 +#define SDNXL (1UL << SDNXC) /* definition of registers in kvm_run */ struct kvm_sync_regs { __u64 prefix; /* prefix register */ @@ -218,8 +232,16 @@ struct kvm_sync_regs { }; __u8 reserved[512]; /* for future vector expansion */ __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ - __u8 padding[52]; /* riccb needs to be 64byte aligned */ + __u8 padding1[52]; /* riccb needs to be 64byte aligned */ __u8 riccb[64]; /* runtime instrumentation controls block */ + __u8 padding2[192]; /* sdnx needs to be 256byte aligned */ + union { + __u8 sdnx[SDNXL]; /* state description annex */ + struct { + __u64 reserved1[2]; + __u64 gscb[4]; + }; + }; }; #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h index 0fe00446f9ca..2701e5f8145b 100644 --- a/tools/arch/x86/include/asm/cpufeatures.h +++ b/tools/arch/x86/include/asm/cpufeatures.h @@ -202,6 +202,8 @@ #define X86_FEATURE_AVX512_4VNNIW (7*32+16) /* AVX-512 Neural Network Instructions */ #define X86_FEATURE_AVX512_4FMAPS (7*32+17) /* AVX-512 Multiply Accumulation Single precision */ +#define X86_FEATURE_MBA ( 7*32+18) /* Memory Bandwidth Allocation */ + /* Virtualization flags: Linux defined, word 8 */ #define X86_FEATURE_TPR_SHADOW ( 8*32+ 0) /* Intel TPR Shadow */ #define X86_FEATURE_VNMI ( 8*32+ 1) /* Intel Virtual NMI */ diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h index 85599ad4d024..5dff775af7cd 100644 --- a/tools/arch/x86/include/asm/disabled-features.h +++ b/tools/arch/x86/include/asm/disabled-features.h @@ -36,6 +36,12 @@ # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ +#ifdef CONFIG_X86_5LEVEL +# define DISABLE_LA57 0 +#else +# define DISABLE_LA57 (1<<(X86_FEATURE_LA57 & 31)) +#endif + /* * Make sure to add features to the correct mask */ @@ -55,7 +61,7 @@ #define DISABLED_MASK13 0 #define DISABLED_MASK14 0 #define DISABLED_MASK15 0 -#define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE) +#define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57) #define DISABLED_MASK17 0 #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18) diff --git a/tools/arch/x86/include/asm/required-features.h b/tools/arch/x86/include/asm/required-features.h index fac9a5c0abe9..d91ba04dd007 100644 --- a/tools/arch/x86/include/asm/required-features.h +++ b/tools/arch/x86/include/asm/required-features.h @@ -53,6 +53,12 @@ # define NEED_MOVBE 0 #endif +#ifdef CONFIG_X86_5LEVEL +# define NEED_LA57 (1<<(X86_FEATURE_LA57 & 31)) +#else +# define NEED_LA57 0 +#endif + #ifdef CONFIG_X86_64 #ifdef CONFIG_PARAVIRT /* Paravirtualized systems may not have PSE or PGE available */ @@ -98,7 +104,7 @@ #define REQUIRED_MASK13 0 #define REQUIRED_MASK14 0 #define REQUIRED_MASK15 0 -#define REQUIRED_MASK16 0 +#define REQUIRED_MASK16 (NEED_LA57) #define REQUIRED_MASK17 0 #define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18) diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h index 739c0c594022..c2824d02ba37 100644 --- a/tools/arch/x86/include/uapi/asm/kvm.h +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -9,6 +9,9 @@ #include <linux/types.h> #include <linux/ioctl.h> +#define KVM_PIO_PAGE_OFFSET 1 +#define KVM_COALESCED_MMIO_PAGE_OFFSET 2 + #define DE_VECTOR 0 #define DB_VECTOR 1 #define BP_VECTOR 3 diff --git a/tools/arch/x86/include/uapi/asm/vmx.h b/tools/arch/x86/include/uapi/asm/vmx.h index 14458658e988..690a2dcf4078 100644 --- a/tools/arch/x86/include/uapi/asm/vmx.h +++ b/tools/arch/x86/include/uapi/asm/vmx.h @@ -76,7 +76,11 @@ #define EXIT_REASON_WBINVD 54 #define EXIT_REASON_XSETBV 55 #define EXIT_REASON_APIC_WRITE 56 +#define EXIT_REASON_RDRAND 57 #define EXIT_REASON_INVPCID 58 +#define EXIT_REASON_VMFUNC 59 +#define EXIT_REASON_ENCLS 60 +#define EXIT_REASON_RDSEED 61 #define EXIT_REASON_PML_FULL 62 #define EXIT_REASON_XSAVES 63 #define EXIT_REASON_XRSTORS 64 @@ -90,6 +94,7 @@ { EXIT_REASON_TASK_SWITCH, "TASK_SWITCH" }, \ { EXIT_REASON_CPUID, "CPUID" }, \ { EXIT_REASON_HLT, "HLT" }, \ + { EXIT_REASON_INVD, "INVD" }, \ { EXIT_REASON_INVLPG, "INVLPG" }, \ { EXIT_REASON_RDPMC, "RDPMC" }, \ { EXIT_REASON_RDTSC, "RDTSC" }, \ @@ -108,6 +113,8 @@ { EXIT_REASON_IO_INSTRUCTION, "IO_INSTRUCTION" }, \ { EXIT_REASON_MSR_READ, "MSR_READ" }, \ { EXIT_REASON_MSR_WRITE, "MSR_WRITE" }, \ + { EXIT_REASON_INVALID_STATE, "INVALID_STATE" }, \ + { EXIT_REASON_MSR_LOAD_FAIL, "MSR_LOAD_FAIL" }, \ { EXIT_REASON_MWAIT_INSTRUCTION, "MWAIT_INSTRUCTION" }, \ { EXIT_REASON_MONITOR_TRAP_FLAG, "MONITOR_TRAP_FLAG" }, \ { EXIT_REASON_MONITOR_INSTRUCTION, "MONITOR_INSTRUCTION" }, \ @@ -115,20 +122,24 @@ { EXIT_REASON_MCE_DURING_VMENTRY, "MCE_DURING_VMENTRY" }, \ { EXIT_REASON_TPR_BELOW_THRESHOLD, "TPR_BELOW_THRESHOLD" }, \ { EXIT_REASON_APIC_ACCESS, "APIC_ACCESS" }, \ - { EXIT_REASON_GDTR_IDTR, "GDTR_IDTR" }, \ - { EXIT_REASON_LDTR_TR, "LDTR_TR" }, \ + { EXIT_REASON_EOI_INDUCED, "EOI_INDUCED" }, \ + { EXIT_REASON_GDTR_IDTR, "GDTR_IDTR" }, \ + { EXIT_REASON_LDTR_TR, "LDTR_TR" }, \ { EXIT_REASON_EPT_VIOLATION, "EPT_VIOLATION" }, \ { EXIT_REASON_EPT_MISCONFIG, "EPT_MISCONFIG" }, \ { EXIT_REASON_INVEPT, "INVEPT" }, \ + { EXIT_REASON_RDTSCP, "RDTSCP" }, \ { EXIT_REASON_PREEMPTION_TIMER, "PREEMPTION_TIMER" }, \ + { EXIT_REASON_INVVPID, "INVVPID" }, \ { EXIT_REASON_WBINVD, "WBINVD" }, \ + { EXIT_REASON_XSETBV, "XSETBV" }, \ { EXIT_REASON_APIC_WRITE, "APIC_WRITE" }, \ - { EXIT_REASON_EOI_INDUCED, "EOI_INDUCED" }, \ - { EXIT_REASON_INVALID_STATE, "INVALID_STATE" }, \ - { EXIT_REASON_MSR_LOAD_FAIL, "MSR_LOAD_FAIL" }, \ - { EXIT_REASON_INVD, "INVD" }, \ - { EXIT_REASON_INVVPID, "INVVPID" }, \ + { EXIT_REASON_RDRAND, "RDRAND" }, \ { EXIT_REASON_INVPCID, "INVPCID" }, \ + { EXIT_REASON_VMFUNC, "VMFUNC" }, \ + { EXIT_REASON_ENCLS, "ENCLS" }, \ + { EXIT_REASON_RDSEED, "RDSEED" }, \ + { EXIT_REASON_PML_FULL, "PML_FULL" }, \ { EXIT_REASON_XSAVES, "XSAVES" }, \ { EXIT_REASON_XRSTORS, "XRSTORS" } diff --git a/tools/include/uapi/linux/stat.h b/tools/include/uapi/linux/stat.h index d538897b8e08..17b10304c393 100644 --- a/tools/include/uapi/linux/stat.h +++ b/tools/include/uapi/linux/stat.h @@ -48,17 +48,13 @@ * tv_sec holds the number of seconds before (negative) or after (positive) * 00:00:00 1st January 1970 UTC. * - * tv_nsec holds a number of nanoseconds before (0..-999,999,999 if tv_sec is - * negative) or after (0..999,999,999 if tv_sec is positive) the tv_sec time. - * - * Note that if both tv_sec and tv_nsec are non-zero, then the two values must - * either be both positive or both negative. + * tv_nsec holds a number of nanoseconds (0..999,999,999) after the tv_sec time. * * __reserved is held in case we need a yet finer resolution. */ struct statx_timestamp { __s64 tv_sec; - __s32 tv_nsec; + __u32 tv_nsec; __s32 __reserved; }; diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index cb0eda3925e6..3517e204a2b3 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -311,6 +311,10 @@ include::itrace.txt[] Set the maximum number of program blocks to print with brstackasm for each sample. +--inline:: + If a callgraph address belongs to an inlined function, the inline stack + will be printed. Each entry has function name and file/line. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index d05aec491cff..4761b0d7fcb5 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -2494,6 +2494,8 @@ int cmd_script(int argc, const char **argv) "Enable kernel symbol demangling"), OPT_STRING(0, "time", &script.time_str, "str", "Time span of interest (start,stop)"), + OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, + "Show inline function"), OPT_END() }; const char * const script_subcommands[] = { "record", "report", NULL }; diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index 59addd52d9cd..ddb2c6fbdf91 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -210,6 +210,8 @@ static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b, return 0; ret = b->callchain->max_depth - a->callchain->max_depth; + if (callchain_param.order == ORDER_CALLER) + ret = -ret; } return ret; } diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index 81fc29ac798f..b4204b43ed58 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -621,14 +621,19 @@ enum match_result { static enum match_result match_chain_srcline(struct callchain_cursor_node *node, struct callchain_list *cnode) { - char *left = get_srcline(cnode->ms.map->dso, + char *left = NULL; + char *right = NULL; + enum match_result ret = MATCH_EQ; + int cmp; + + if (cnode->ms.map) + left = get_srcline(cnode->ms.map->dso, map__rip_2objdump(cnode->ms.map, cnode->ip), cnode->ms.sym, true, false); - char *right = get_srcline(node->map->dso, + if (node->map) + right = get_srcline(node->map->dso, map__rip_2objdump(node->map, node->ip), node->sym, true, false); - enum match_result ret = MATCH_EQ; - int cmp; if (left && right) cmp = strcmp(left, right); diff --git a/tools/perf/util/evsel_fprintf.c b/tools/perf/util/evsel_fprintf.c index e415aee6a245..583f3a602506 100644 --- a/tools/perf/util/evsel_fprintf.c +++ b/tools/perf/util/evsel_fprintf.c @@ -7,6 +7,7 @@ #include "map.h" #include "strlist.h" #include "symbol.h" +#include "srcline.h" static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...) { @@ -168,6 +169,38 @@ int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment, if (!print_oneline) printed += fprintf(fp, "\n"); + if (symbol_conf.inline_name && node->map) { + struct inline_node *inode; + + addr = map__rip_2objdump(node->map, node->ip), + inode = dso__parse_addr_inlines(node->map->dso, addr); + + if (inode) { + struct inline_list *ilist; + + list_for_each_entry(ilist, &inode->val, list) { + if (print_arrow) + printed += fprintf(fp, " <-"); + + /* IP is same, just skip it */ + if (print_ip) + printed += fprintf(fp, "%c%16s", + s, ""); + if (print_sym) + printed += fprintf(fp, " %s", + ilist->funcname); + if (print_srcline) + printed += fprintf(fp, "\n %s:%d", + ilist->filename, + ilist->line_nr); + if (!print_oneline) + printed += fprintf(fp, "\n"); + } + + inline_node__delete(inode); + } + } + if (symbol_conf.bt_stop_list && node->sym && strlist__has_entry(symbol_conf.bt_stop_list, diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c index df051a52393c..ebc88a74e67b 100644 --- a/tools/perf/util/srcline.c +++ b/tools/perf/util/srcline.c @@ -56,7 +56,10 @@ static int inline_list__append(char *filename, char *funcname, int line_nr, } } - list_add_tail(&ilist->list, &node->val); + if (callchain_param.order == ORDER_CALLEE) + list_add_tail(&ilist->list, &node->val); + else + list_add(&ilist->list, &node->val); return 0; } @@ -200,12 +203,14 @@ static void addr2line_cleanup(struct a2l_data *a2l) #define MAX_INLINE_NEST 1024 -static void inline_list__reverse(struct inline_node *node) +static int inline_list__append_dso_a2l(struct dso *dso, + struct inline_node *node) { - struct inline_list *ilist, *n; + struct a2l_data *a2l = dso->a2l; + char *funcname = a2l->funcname ? strdup(a2l->funcname) : NULL; + char *filename = a2l->filename ? strdup(a2l->filename) : NULL; - list_for_each_entry_safe_reverse(ilist, n, &node->val, list) - list_move_tail(&ilist->list, &node->val); + return inline_list__append(filename, funcname, a2l->line, node, dso); } static int addr2line(const char *dso_name, u64 addr, @@ -230,36 +235,36 @@ static int addr2line(const char *dso_name, u64 addr, bfd_map_over_sections(a2l->abfd, find_address_in_section, a2l); - if (a2l->found && unwind_inlines) { + if (!a2l->found) + return 0; + + if (unwind_inlines) { int cnt = 0; + if (node && inline_list__append_dso_a2l(dso, node)) + return 0; + while (bfd_find_inliner_info(a2l->abfd, &a2l->filename, &a2l->funcname, &a2l->line) && cnt++ < MAX_INLINE_NEST) { if (node != NULL) { - if (inline_list__append(strdup(a2l->filename), - strdup(a2l->funcname), - a2l->line, node, - dso) != 0) + if (inline_list__append_dso_a2l(dso, node)) return 0; + // found at least one inline frame + ret = 1; } } + } - if ((node != NULL) && - (callchain_param.order != ORDER_CALLEE)) { - inline_list__reverse(node); - } + if (file) { + *file = a2l->filename ? strdup(a2l->filename) : NULL; + ret = *file ? 1 : 0; } - if (a2l->found && a2l->filename) { - *file = strdup(a2l->filename); + if (line) *line = a2l->line; - if (*file) - ret = 1; - } - return ret; } @@ -278,8 +283,6 @@ void dso__free_a2l(struct dso *dso) static struct inline_node *addr2inlines(const char *dso_name, u64 addr, struct dso *dso) { - char *file = NULL; - unsigned int line = 0; struct inline_node *node; node = zalloc(sizeof(*node)); @@ -291,7 +294,7 @@ static struct inline_node *addr2inlines(const char *dso_name, u64 addr, INIT_LIST_HEAD(&node->val); node->addr = addr; - if (!addr2line(dso_name, addr, &file, &line, dso, TRUE, node)) + if (!addr2line(dso_name, addr, NULL, NULL, dso, TRUE, node)) goto out_free_inline_node; if (list_empty(&node->val)) diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index f90e11a555b2..943a06291587 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -168,12 +168,16 @@ frame_callback(Dwfl_Frame *state, void *arg) { struct unwind_info *ui = arg; Dwarf_Addr pc; + bool isactivation; - if (!dwfl_frame_pc(state, &pc, NULL)) { + if (!dwfl_frame_pc(state, &pc, &isactivation)) { pr_err("%s", dwfl_errmsg(-1)); return DWARF_CB_ABORT; } + if (!isactivation) + --pc; + return entry(pc, ui) || !(--ui->max_stack) ? DWARF_CB_ABORT : DWARF_CB_OK; } diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index f8455bed6e65..672c2ada9357 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -692,6 +692,17 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb, while (!ret && (unw_step(&c) > 0) && i < max_stack) { unw_get_reg(&c, UNW_REG_IP, &ips[i]); + + /* + * Decrement the IP for any non-activation frames. + * this is required to properly find the srcline + * for caller frames. + * See also the documentation for dwfl_frame_pc(), + * which this code tries to replicate. + */ + if (unw_is_signal_frame(&c) <= 0) + --ips[i]; + ++i; } diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc new file mode 100644 index 000000000000..f4d1ff785d67 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc @@ -0,0 +1,21 @@ +#!/bin/sh +# description: Register/unregister many kprobe events + +# ftrace fentry skip size depends on the machine architecture. +# Currently HAVE_KPROBES_ON_FTRACE defined on x86 and powerpc +case `uname -m` in + x86_64|i[3456]86) OFFS=5;; + ppc*) OFFS=4;; + *) OFFS=0;; +esac + +echo "Setup up to 256 kprobes" +grep t /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \ +head -n 256 | while read i; do echo p ${i}+${OFFS} ; done > kprobe_events ||: + +echo 1 > events/kprobes/enable +echo 0 > events/kprobes/enable +echo > kprobe_events +echo "Waiting for unoptimizing & freeing" +sleep 5 +echo "Done" diff --git a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c index d9c49f41515e..e79ccd6aada1 100644 --- a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c +++ b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c @@ -42,12 +42,12 @@ int test_body(void) printf("Check DSCR TM context switch: "); fflush(stdout); for (;;) { - rv = 1; asm __volatile__ ( /* set a known value into the DSCR */ "ld 3, %[dscr1];" "mtspr %[sprn_dscr], 3;" + "li %[rv], 1;" /* start and suspend a transaction */ "tbegin.;" "beq 1f;" diff --git a/usr/Kconfig b/usr/Kconfig index c0c48507e44e..ad0543e21760 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -220,6 +220,7 @@ config INITRAMFS_COMPRESSION_LZ4 endchoice config INITRAMFS_COMPRESSION + depends on INITRAMFS_SOURCE!="" string default "" if INITRAMFS_COMPRESSION_NONE default ".gz" if INITRAMFS_COMPRESSION_GZIP |