diff options
Diffstat (limited to 'arch/powerpc/include')
46 files changed, 188 insertions, 230 deletions
diff --git a/arch/powerpc/include/asm/archrandom.h b/arch/powerpc/include/asm/archrandom.h index 21def59ef1a6..51b093f67528 100644 --- a/arch/powerpc/include/asm/archrandom.h +++ b/arch/powerpc/include/asm/archrandom.h @@ -2,41 +2,15 @@ #ifndef _ASM_POWERPC_ARCHRANDOM_H #define _ASM_POWERPC_ARCHRANDOM_H -#ifdef CONFIG_ARCH_RANDOM - -bool __must_check arch_get_random_seed_long(unsigned long *v); - -static inline bool __must_check arch_get_random_long(unsigned long *v) -{ - return false; -} - -static inline bool __must_check arch_get_random_int(unsigned int *v) +static inline size_t __must_check arch_get_random_longs(unsigned long *v, size_t max_longs) { - return false; + return 0; } - -static inline bool __must_check arch_get_random_seed_int(unsigned int *v) -{ - unsigned long val; - bool rc; - - rc = arch_get_random_seed_long(&val); - if (rc) - *v = val; - - return rc; -} -#endif /* CONFIG_ARCH_RANDOM */ +size_t __must_check arch_get_random_seed_longs(unsigned long *v, size_t max_longs); #ifdef CONFIG_PPC_POWERNV -int powernv_hwrng_present(void); -int powernv_get_random_long(unsigned long *v); -int powernv_get_random_real_mode(unsigned long *v); -#else -static inline int powernv_hwrng_present(void) { return 0; } -static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; } +int pnv_get_random_long(unsigned long *v); #endif #endif /* _ASM_POWERPC_ARCHRANDOM_H */ diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h index d995c65d18ab..81631e64dbeb 100644 --- a/arch/powerpc/include/asm/asm-prototypes.h +++ b/arch/powerpc/include/asm/asm-prototypes.h @@ -2,8 +2,9 @@ #ifndef _ASM_POWERPC_ASM_PROTOTYPES_H #define _ASM_POWERPC_ASM_PROTOTYPES_H /* - * This file is for prototypes of C functions that are only called - * from asm, and any associated variables. + * This file is for C prototypes of asm symbols that are EXPORTed. + * It allows the modversions logic to see their prototype and + * generate proper CRCs for them. * * Copyright 2016, Daniel Axtens, IBM Corporation. */ @@ -34,12 +35,6 @@ int64_t __opal_call(int64_t a0, int64_t a1, int64_t a2, int64_t a3, int64_t a4, int64_t a5, int64_t a6, int64_t a7, int64_t opcode, uint64_t msr); -/* prom_init (OpenFirmware) */ -unsigned long __init prom_init(unsigned long r3, unsigned long r4, - unsigned long pp, - unsigned long r6, unsigned long r7, - unsigned long kbase); - /* misc runtime */ extern u64 __bswapdi2(u64); extern s64 __lshrdi3(s64, int); diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h index f0e687236484..ef2d8b15eaab 100644 --- a/arch/powerpc/include/asm/barrier.h +++ b/arch/powerpc/include/asm/barrier.h @@ -42,6 +42,8 @@ /* The sub-arch has lwsync */ #if defined(CONFIG_PPC64) || defined(CONFIG_PPC_E500MC) # define SMPWMB LWSYNC +#elif defined(CONFIG_BOOKE) +# define SMPWMB mbar #else # define SMPWMB eieio #endif diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h b/arch/powerpc/include/asm/book3s/64/hugetlb.h index b37a28f62cf6..aa1c67c8bfc8 100644 --- a/arch/powerpc/include/asm/book3s/64/hugetlb.h +++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h @@ -1,6 +1,9 @@ /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_BOOK3S_64_HUGETLB_H #define _ASM_POWERPC_BOOK3S_64_HUGETLB_H + +#include <asm/firmware.h> + /* * For radix we want generic code to handle hugetlb. But then if we want * both hash and radix to be enabled together we need to workaround the diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index cb9d5fd39d7f..392ff48f77df 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -1273,7 +1273,7 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr, * should return true. * We should not call this on a hugetlb entry. We should check for HugeTLB * entry using vma->vm_flags - * The page table walk rule is explained in Documentation/vm/transhuge.rst + * The page table walk rule is explained in Documentation/mm/transhuge.rst */ static inline int pmd_trans_huge(pmd_t pmd) { diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h index d2e80f178b6d..206f920fe5b9 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -138,9 +138,29 @@ static inline void flush_all_mm(struct mm_struct *mm) static inline void flush_tlb_fix_spurious_fault(struct vm_area_struct *vma, unsigned long address) { - /* See ptep_set_access_flags comment */ - if (atomic_read(&vma->vm_mm->context.copros) > 0) - flush_tlb_page(vma, address); + /* + * Book3S 64 does not require spurious fault flushes because the PTE + * must be re-fetched in case of an access permission problem. So the + * only reason for a spurious fault should be concurrent modification + * to the PTE, in which case the PTE will eventually be re-fetched by + * the MMU when it attempts the access again. + * + * See: Power ISA Version 3.1B, 6.10.1.2 Modifying a Translation Table + * Entry, Setting a Reference or Change Bit or Upgrading Access + * Authority (PTE Subject to Atomic Hardware Updates): + * + * "If the only change being made to a valid PTE that is subject to + * atomic hardware updates is to set the Reference or Change bit to + * 1 or to upgrade access authority, a simpler sequence suffices + * because the translation hardware will refetch the PTE if an + * access is attempted for which the only problems were reference + * and/or change bits needing to be set or insufficient access + * authority." + * + * The nest MMU in POWER9 does not perform this PTE re-fetch, but + * it avoids the spurious fault problem by flushing the TLB before + * upgrading PTE permissions, see radix__ptep_set_access_flags. + */ } extern bool tlbie_capable; diff --git a/arch/powerpc/include/asm/bpf_perf_event.h b/arch/powerpc/include/asm/bpf_perf_event.h new file mode 100644 index 000000000000..e8a7b4ffb58c --- /dev/null +++ b/arch/powerpc/include/asm/bpf_perf_event.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_BPF_PERF_EVENT_H +#define _ASM_POWERPC_BPF_PERF_EVENT_H + +#include <asm/ptrace.h> + +typedef struct user_pt_regs bpf_user_pt_regs_t; + +#endif /* _ASM_POWERPC_BPF_PERF_EVENT_H */ diff --git a/arch/powerpc/include/asm/context_tracking.h b/arch/powerpc/include/asm/context_tracking.h index f2682b28b050..4b63931c49e0 100644 --- a/arch/powerpc/include/asm/context_tracking.h +++ b/arch/powerpc/include/asm/context_tracking.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_CONTEXT_TRACKING_H #define _ASM_POWERPC_CONTEXT_TRACKING_H -#ifdef CONFIG_CONTEXT_TRACKING +#ifdef CONFIG_CONTEXT_TRACKING_USER #define SCHEDULE_USER bl schedule_user #else #define SCHEDULE_USER bl schedule diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 549eb6dd146f..ae8c3e13cfce 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -70,9 +70,6 @@ struct cpu_spec { /* Used to restore cpu setup on secondary processors and at resume */ cpu_restore_t cpu_restore; - /* Used by oprofile userspace to select the right counters */ - char *oprofile_cpu_type; - /* Name of processor class, for the ELF AT_PLATFORM entry */ char *platform; diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index 504f7fe6711a..6d2b27997492 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -19,6 +19,7 @@ #include <asm/div64.h> #include <asm/time.h> #include <asm/param.h> +#include <asm/firmware.h> typedef u64 __nocast cputime_t; typedef u64 __nocast cputime64_t; diff --git a/arch/powerpc/include/asm/dma.h b/arch/powerpc/include/asm/dma.h index 6161a9596196..d97c66d9ae34 100644 --- a/arch/powerpc/include/asm/dma.h +++ b/arch/powerpc/include/asm/dma.h @@ -340,11 +340,5 @@ extern int request_dma(unsigned int dmanr, const char *device_id); /* release it again */ extern void free_dma(unsigned int dmanr); -#ifdef CONFIG_PCI -extern int isa_dma_bridge_buggy; -#else -#define isa_dma_bridge_buggy (0) -#endif - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_DMA_H */ diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index 8dddd34b8ecf..398e0b5e485f 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -55,6 +55,7 @@ #define FW_FEATURE_RPT_INVALIDATE ASM_CONST(0x0000010000000000) #define FW_FEATURE_FORM2_AFFINITY ASM_CONST(0x0000020000000000) #define FW_FEATURE_ENERGY_SCALE_INFO ASM_CONST(0x0000040000000000) +#define FW_FEATURE_WATCHDOG ASM_CONST(0x0000080000000000) #ifndef __ASSEMBLY__ @@ -76,7 +77,7 @@ enum { FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE | FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR | FW_FEATURE_RPT_INVALIDATE | FW_FEATURE_FORM2_AFFINITY | - FW_FEATURE_ENERGY_SCALE_INFO, + FW_FEATURE_ENERGY_SCALE_INFO | FW_FEATURE_WATCHDOG, FW_FEATURE_PSERIES_ALWAYS = 0, FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR, FW_FEATURE_POWERNV_ALWAYS = 0, diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index d92a20a85395..8abae463f6c1 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -79,6 +79,7 @@ #define H_NOT_ENOUGH_RESOURCES -44 #define H_R_STATE -45 #define H_RESCINDED -46 +#define H_P1 -54 #define H_P2 -55 #define H_P3 -56 #define H_P4 -57 @@ -87,6 +88,7 @@ #define H_P7 -60 #define H_P8 -61 #define H_P9 -62 +#define H_NOOP -63 #define H_TOO_BIG -64 #define H_UNSUPPORTED -67 #define H_OVERLAP -68 @@ -97,6 +99,8 @@ #define H_OP_MODE -73 #define H_COP_HW -74 #define H_STATE -75 +#define H_IN_USE -77 +#define H_ABORTED -78 #define H_UNSUPPORTED_FLAG_START -256 #define H_UNSUPPORTED_FLAG_END -511 #define H_MULTI_THREADS_ACTIVE -9005 @@ -321,10 +325,19 @@ #define H_SCM_UNBIND_ALL 0x3FC #define H_SCM_HEALTH 0x400 #define H_SCM_PERFORMANCE_STATS 0x418 +#define H_PKS_GET_CONFIG 0x41C +#define H_PKS_SET_PASSWORD 0x420 +#define H_PKS_GEN_PASSWORD 0x424 +#define H_PKS_WRITE_OBJECT 0x42C +#define H_PKS_GEN_KEY 0x430 +#define H_PKS_READ_OBJECT 0x434 +#define H_PKS_REMOVE_OBJECT 0x438 +#define H_PKS_CONFIRM_OBJECT_FLUSHED 0x43C #define H_RPT_INVALIDATE 0x448 #define H_SCM_FLUSH 0x44C #define H_GET_ENERGY_SCALE_INFO 0x450 -#define MAX_HCALL_OPCODE H_GET_ENERGY_SCALE_INFO +#define H_WATCHDOG 0x45C +#define MAX_HCALL_OPCODE H_WATCHDOG /* Scope args for H_SCM_UNBIND_ALL */ #define H_UNBIND_SCOPE_ALL (0x1) @@ -350,6 +363,14 @@ /* Platform specific hcalls, used by KVM */ #define H_RTAS 0xf000 +/* + * Platform specific hcalls, used by QEMU/SLOF. These are ignored by + * KVM and only kept here so we can identify them during tracing. + */ +#define H_LOGICAL_MEMOP 0xF001 +#define H_CAS 0XF002 +#define H_UPDATE_DT 0XF003 + /* "Platform specific hcalls", provided by PHYP */ #define H_GET_24X7_CATALOG_PAGE 0xF078 #define H_GET_24X7_DATA 0xF07C diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index 674e5aaafcbd..26ede09c521d 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -113,14 +113,7 @@ static inline void __hard_RI_enable(void) static inline notrace unsigned long irq_soft_mask_return(void) { - unsigned long flags; - - asm volatile( - "lbz %0,%1(13)" - : "=r" (flags) - : "i" (offsetof(struct paca_struct, irq_soft_mask))); - - return flags; + return READ_ONCE(local_paca->irq_soft_mask); } /* @@ -130,7 +123,6 @@ static inline notrace unsigned long irq_soft_mask_return(void) */ static inline notrace void irq_soft_mask_set(unsigned long mask) { -#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG /* * The irq mask must always include the STD bit if any are set. * @@ -145,49 +137,27 @@ static inline notrace void irq_soft_mask_set(unsigned long mask) * unmasks to be replayed, among other things. For now, take * the simple approach. */ - WARN_ON(mask && !(mask & IRQS_DISABLED)); -#endif + if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) + WARN_ON(mask && !(mask & IRQS_DISABLED)); - asm volatile( - "stb %0,%1(13)" - : - : "r" (mask), - "i" (offsetof(struct paca_struct, irq_soft_mask)) - : "memory"); + WRITE_ONCE(local_paca->irq_soft_mask, mask); + barrier(); } static inline notrace unsigned long irq_soft_mask_set_return(unsigned long mask) { - unsigned long flags; - -#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG - WARN_ON(mask && !(mask & IRQS_DISABLED)); -#endif + unsigned long flags = irq_soft_mask_return(); - asm volatile( - "lbz %0,%1(13); stb %2,%1(13)" - : "=&r" (flags) - : "i" (offsetof(struct paca_struct, irq_soft_mask)), - "r" (mask) - : "memory"); + irq_soft_mask_set(mask); return flags; } static inline notrace unsigned long irq_soft_mask_or_return(unsigned long mask) { - unsigned long flags, tmp; - - asm volatile( - "lbz %0,%2(13); or %1,%0,%3; stb %1,%2(13)" - : "=&r" (flags), "=r" (tmp) - : "i" (offsetof(struct paca_struct, irq_soft_mask)), - "r" (mask) - : "memory"); + unsigned long flags = irq_soft_mask_return(); -#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG - WARN_ON((mask | flags) && !((mask | flags) & IRQS_DISABLED)); -#endif + irq_soft_mask_set(flags | mask); return flags; } @@ -312,9 +282,7 @@ static inline bool pmi_irq_pending(void) flags = irq_soft_mask_set_return(IRQS_ALL_DISABLED); \ local_paca->irq_happened |= PACA_IRQ_HARD_DIS; \ if (!arch_irqs_disabled_flags(flags)) { \ - asm ("stdx %%r1, 0, %1 ;" \ - : "=m" (local_paca->saved_r1) \ - : "b" (&local_paca->saved_r1)); \ + WRITE_ONCE(local_paca->saved_r1, current_stack_pointer);\ trace_hardirqs_off(); \ } \ } while(0) @@ -353,11 +321,13 @@ bool power_pmu_wants_prompt_pmi(void); */ static inline bool should_hard_irq_enable(void) { -#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG - WARN_ON(irq_soft_mask_return() == IRQS_ENABLED); - WARN_ON(mfmsr() & MSR_EE); -#endif -#ifdef CONFIG_PERF_EVENTS + if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) { + WARN_ON(irq_soft_mask_return() == IRQS_ENABLED); + WARN_ON(mfmsr() & MSR_EE); + } + + if (!IS_ENABLED(CONFIG_PERF_EVENTS)) + return false; /* * If the PMU is not running, there is not much reason to enable * MSR[EE] in irq handlers because any interrupts would just be @@ -372,9 +342,6 @@ static inline bool should_hard_irq_enable(void) return false; return true; -#else - return false; -#endif } /* @@ -382,11 +349,11 @@ static inline bool should_hard_irq_enable(void) */ static inline void do_hard_irq_enable(void) { -#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG - WARN_ON(irq_soft_mask_return() == IRQS_ENABLED); - WARN_ON(get_paca()->irq_happened & PACA_IRQ_MUST_HARD_MASK); - WARN_ON(mfmsr() & MSR_EE); -#endif + if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) { + WARN_ON(irq_soft_mask_return() == IRQS_ENABLED); + WARN_ON(get_paca()->irq_happened & PACA_IRQ_MUST_HARD_MASK); + WARN_ON(mfmsr() & MSR_EE); + } /* * This allows PMI interrupts (and watchdog soft-NMIs) through. * There is no other reason to enable this way. diff --git a/arch/powerpc/include/asm/inst.h b/arch/powerpc/include/asm/inst.h index b49aae9f6f27..684d3f453282 100644 --- a/arch/powerpc/include/asm/inst.h +++ b/arch/powerpc/include/asm/inst.h @@ -139,25 +139,6 @@ static inline void ppc_inst_write(u32 *ptr, ppc_inst_t x) *(u64 *)ptr = ppc_inst_as_ulong(x); } -#define PPC_INST_STR_LEN sizeof("00000000 00000000") - -static inline char *__ppc_inst_as_str(char str[PPC_INST_STR_LEN], ppc_inst_t x) -{ - if (ppc_inst_prefixed(x)) - sprintf(str, "%08x %08x", ppc_inst_val(x), ppc_inst_suffix(x)); - else - sprintf(str, "%08x", ppc_inst_val(x)); - - return str; -} - -#define ppc_inst_as_str(x) \ -({ \ - char __str[PPC_INST_STR_LEN]; \ - __ppc_inst_as_str(__str, x); \ - __str; \ -}) - static inline int __copy_inst_from_kernel_nofault(ppc_inst_t *inst, u32 *src) { unsigned int val, suffix; diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index b14f54d789d2..8069dbc4b8d1 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -69,6 +69,7 @@ #include <linux/context_tracking.h> #include <linux/hardirq.h> #include <asm/cputime.h> +#include <asm/firmware.h> #include <asm/ftrace.h> #include <asm/kprobes.h> #include <asm/runlatch.h> diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index c5a5f7c9b231..fc112a91d0c2 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -33,7 +33,6 @@ extern struct pci_dev *isa_bridge_pcidev; #include <asm/delay.h> #include <asm/mmiowb.h> #include <asm/mmu.h> -#include <asm/ppc_asm.h> #define SIO_CONFIG_RA 0x398 #define SIO_CONFIG_RD 0x399 @@ -985,8 +984,6 @@ static inline void * bus_to_virt(unsigned long address) } #define bus_to_virt bus_to_virt -#define page_to_bus(page) (page_to_phys(page) + PCI_DRAM_OFFSET) - #endif /* CONFIG_PPC32 */ /* access ports */ diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index 13f0409dd617..5c1516a5ba8f 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -54,7 +54,6 @@ extern void *softirq_ctx[NR_CPUS]; void __do_IRQ(struct pt_regs *regs); extern void __init init_IRQ(void); -extern void __do_irq(struct pt_regs *regs); int irq_choose_cpu(const struct cpumask *mask); diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h index a6be4025cba2..92a968202ba7 100644 --- a/arch/powerpc/include/asm/kasan.h +++ b/arch/powerpc/include/asm/kasan.h @@ -19,7 +19,7 @@ #define KASAN_SHADOW_SCALE_SHIFT 3 -#ifdef CONFIG_MODULES +#if defined(CONFIG_MODULES) && defined(CONFIG_PPC32) #define KASAN_KERN_START ALIGN_DOWN(PAGE_OFFSET - SZ_256M, SZ_256M) #else #define KASAN_KERN_START PAGE_OFFSET @@ -39,6 +39,17 @@ * c00e000000000000 << 3 + a80e000000000000 = c00fc00000000000 */ #define KASAN_SHADOW_END 0xc00fc00000000000UL + +#else + +/* + * The shadow ends before the highest accessible address + * because we don't need a shadow for the shadow. + * But it doesn't hurt to have a shadow for the shadow, + * keep shadow end aligned eases things. + */ +#define KASAN_SHADOW_END 0xc000200000000000UL + #endif #ifdef CONFIG_KASAN diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index 2aefe14e1442..f8d122d16af4 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -83,6 +83,7 @@ extern void default_machine_crash_shutdown(struct pt_regs *regs); extern int crash_shutdown_register(crash_shutdown_t handler); extern int crash_shutdown_unregister(crash_shutdown_t handler); +extern void crash_kexec_prepare(void); extern void crash_kexec_secondary(struct pt_regs *regs); int __init overlaps_crashkernel(unsigned long start, unsigned long size); extern void reserve_crashkernel(void); @@ -98,6 +99,11 @@ void relocate_new_kernel(unsigned long indirection_page, unsigned long reboot_co void kexec_copy_flush(struct kimage *image); +#if defined(CONFIG_CRASH_DUMP) && defined(CONFIG_PPC_RTAS) +void crash_free_reserved_phys_range(unsigned long begin, unsigned long end); +#define crash_free_reserved_phys_range crash_free_reserved_phys_range +#endif + #ifdef CONFIG_KEXEC_FILE extern const struct kexec_file_ops kexec_elf64_ops; @@ -120,6 +126,15 @@ int setup_purgatory(struct kimage *image, const void *slave_code, #ifdef CONFIG_PPC64 struct kexec_buf; +int arch_kexec_kernel_image_probe(struct kimage *image, void *buf, unsigned long buf_len); +#define arch_kexec_kernel_image_probe arch_kexec_kernel_image_probe + +int arch_kimage_file_post_load_cleanup(struct kimage *image); +#define arch_kimage_file_post_load_cleanup arch_kimage_file_post_load_cleanup + +int arch_kexec_locate_mem_hole(struct kexec_buf *kbuf); +#define arch_kexec_locate_mem_hole arch_kexec_locate_mem_hole + int load_crashdump_segments_ppc64(struct kimage *image, struct kexec_buf *kbuf); int setup_purgatory_ppc64(struct kimage *image, const void *slave_code, diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h index bab364152b29..c8e4b4fd4e33 100644 --- a/arch/powerpc/include/asm/kprobes.h +++ b/arch/powerpc/include/asm/kprobes.h @@ -29,7 +29,7 @@ struct pt_regs; struct kprobe; -typedef ppc_opcode_t kprobe_opcode_t; +typedef u32 kprobe_opcode_t; extern kprobe_opcode_t optinsn_slot; diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 91c9f937edcd..bbf5e2c5fe09 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -280,9 +280,6 @@ extern void kvmppc_copy_to_svcpu(struct kvm_vcpu *vcpu); extern void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu); long kvmppc_read_intr(void); -void kvmppc_bad_interrupt(struct pt_regs *regs); -void kvmhv_p9_set_lpcr(struct kvm_split_mode *sip); -void kvmhv_p9_restore_lpcr(struct kvm_split_mode *sip); void kvmppc_set_msr_hv(struct kvm_vcpu *vcpu, u64 msr); void kvmppc_inject_interrupt_hv(struct kvm_vcpu *vcpu, int vec, u64 srr1_flags); diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 2909a88acd16..c2b003550dc9 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -523,7 +523,11 @@ struct kvm_vcpu_arch { struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; #endif - struct pt_regs regs; + /* + * This is passed along to the HV via H_ENTER_NESTED. Align to + * prevent it crossing a real 4K page. + */ + struct pt_regs regs __aligned(512); struct thread_fp_state fp; @@ -830,11 +834,21 @@ struct kvm_vcpu_arch { #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ u64 cur_tb_start; /* when it started */ +#ifdef CONFIG_KVM_BOOK3S_HV_P9_TIMING + struct kvmhv_tb_accumulator vcpu_entry; + struct kvmhv_tb_accumulator vcpu_exit; + struct kvmhv_tb_accumulator in_guest; + struct kvmhv_tb_accumulator hcall; + struct kvmhv_tb_accumulator pg_fault; + struct kvmhv_tb_accumulator guest_entry; + struct kvmhv_tb_accumulator guest_exit; +#else struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ struct kvmhv_tb_accumulator guest_time; /* guest execution */ struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ +#endif #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ }; diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 358d171ae8e0..8cb83600c434 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -8,8 +8,6 @@ #include <linux/dma-mapping.h> #include <linux/export.h> -#include <asm/setup.h> - struct pt_regs; struct pci_bus; struct device_node; @@ -200,9 +198,7 @@ struct machdep_calls { ssize_t (*cpu_release)(const char *, size_t); #endif -#ifdef CONFIG_ARCH_RANDOM int (*get_random_seed)(unsigned long *v); -#endif }; extern void e500_idle(void); diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h index 1b024e64c8ec..17a77d47ed6d 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -12,6 +12,7 @@ #include <linux/mm.h> #include <linux/pkeys.h> #include <asm/cpu_has_feature.h> +#include <asm/firmware.h> static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot, unsigned long pkey) diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 5f41565a1e5d..860d0290ca4d 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -96,15 +96,6 @@ */ #define MMU_FTR_NEED_DTLB_SW_LRU ASM_CONST(0x00200000) -/* Enable use of TLB reservation. Processor should support tlbsrx. - * instruction and MAS0[WQ]. - */ -#define MMU_FTR_USE_TLBRSRV ASM_CONST(0x00800000) - -/* Use paired MAS registers (MAS7||MAS3, etc.) - */ -#define MMU_FTR_USE_PAIRED_MAS ASM_CONST(0x01000000) - /* Doesn't support the B bit (1T segment) in SLBIE */ #define MMU_FTR_NO_SLBIE_B ASM_CONST(0x02000000) @@ -180,9 +171,6 @@ enum { #ifdef CONFIG_PPC_83xx MMU_FTR_NEED_DTLB_SW_LRU | #endif -#ifdef CONFIG_PPC_BOOK3E_64 - MMU_FTR_USE_TLBRSRV | MMU_FTR_USE_PAIRED_MAS | -#endif #ifdef CONFIG_PPC_BOOK3S_64 MMU_FTR_KERNEL_RO | #ifdef CONFIG_PPC_64S_HASH_MMU diff --git a/arch/powerpc/include/asm/mpc52xx.h b/arch/powerpc/include/asm/mpc52xx.h index ce1e0aabaa64..5ea16a71c2f0 100644 --- a/arch/powerpc/include/asm/mpc52xx.h +++ b/arch/powerpc/include/asm/mpc52xx.h @@ -15,7 +15,6 @@ #ifndef __ASSEMBLY__ #include <asm/types.h> -#include <asm/prom.h> #include <asm/mpc5xxx.h> #endif /* __ASSEMBLY__ */ @@ -268,13 +267,14 @@ struct mpc52xx_intr { #ifndef __ASSEMBLY__ +struct device_node; + /* mpc52xx_common.c */ extern void mpc5200_setup_xlb_arbiter(void); extern void mpc52xx_declare_of_platform_devices(void); extern int mpc5200_psc_ac97_gpio_reset(int psc_number); extern void mpc52xx_map_common_devices(void); extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv); -extern unsigned int mpc52xx_get_xtal_freq(struct device_node *node); extern void __noreturn mpc52xx_restart(char *cmd); /* mpc52xx_gpt.c */ diff --git a/arch/powerpc/include/asm/mpc5xxx.h b/arch/powerpc/include/asm/mpc5xxx.h index 2f60f5c5461b..44db26380435 100644 --- a/arch/powerpc/include/asm/mpc5xxx.h +++ b/arch/powerpc/include/asm/mpc5xxx.h @@ -11,7 +11,14 @@ #ifndef __ASM_POWERPC_MPC5xxx_H__ #define __ASM_POWERPC_MPC5xxx_H__ -extern unsigned long mpc5xxx_get_bus_frequency(struct device_node *node); +#include <linux/property.h> + +unsigned long mpc5xxx_fwnode_get_bus_frequency(struct fwnode_handle *fwnode); + +static inline unsigned long mpc5xxx_get_bus_frequency(struct device *dev) +{ + return mpc5xxx_fwnode_get_bus_frequency(dev_fwnode(dev)); +} #endif /* __ASM_POWERPC_MPC5xxx_H__ */ diff --git a/arch/powerpc/include/asm/nmi.h b/arch/powerpc/include/asm/nmi.h index ea0e487f87b1..c3c7adef74de 100644 --- a/arch/powerpc/include/asm/nmi.h +++ b/arch/powerpc/include/asm/nmi.h @@ -5,8 +5,10 @@ #ifdef CONFIG_PPC_WATCHDOG extern void arch_touch_nmi_watchdog(void); long soft_nmi_interrupt(struct pt_regs *regs); +void watchdog_nmi_set_timeout_pct(u64 pct); #else static inline void arch_touch_nmi_watchdog(void) {} +static inline void watchdog_nmi_set_timeout_pct(u64 pct) {} #endif #ifdef CONFIG_NMI_IPI diff --git a/arch/powerpc/include/asm/nohash/64/pgalloc.h b/arch/powerpc/include/asm/nohash/64/pgalloc.h index 668aee6017e7..e50b211becb3 100644 --- a/arch/powerpc/include/asm/nohash/64/pgalloc.h +++ b/arch/powerpc/include/asm/nohash/64/pgalloc.h @@ -15,7 +15,10 @@ struct vmemmap_backing { }; extern struct vmemmap_backing *vmemmap_list; -#define p4d_populate(MM, P4D, PUD) p4d_set(P4D, (unsigned long)PUD) +static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud) +{ + p4d_set(p4d, (unsigned long)pud); +} static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) { diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index 57083f95e82b..599921cc257e 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -25,7 +25,7 @@ /* * Define the address range of the kernel non-linear virtual area */ -#define KERN_VIRT_START ASM_CONST(0x8000000000000000) +#define KERN_VIRT_START ASM_CONST(0xc000100000000000) #define KERN_VIRT_SIZE ASM_CONST(0x0000100000000000) /* @@ -38,15 +38,16 @@ #define VMALLOC_END (VMALLOC_START + VMALLOC_SIZE) /* - * The second half of the kernel virtual space is used for IO mappings, + * The third quarter of the kernel virtual space is used for IO mappings, * it's itself carved into the PIO region (ISA and PHB IO space) and * the ioremap space * * ISA_IO_BASE = KERN_IO_START, 64K reserved area * PHB_IO_BASE = ISA_IO_BASE + 64K to ISA_IO_BASE + 2G, PHB IO spaces - * IOREMAP_BASE = ISA_IO_BASE + 2G to VMALLOC_START + PGTABLE_RANGE + * IOREMAP_BASE = ISA_IO_BASE + 2G to KERN_IO_START + KERN_IO_SIZE */ #define KERN_IO_START (KERN_VIRT_START + (KERN_VIRT_SIZE >> 1)) +#define KERN_IO_SIZE (KERN_VIRT_SIZE >> 2) #define FULL_IO_SIZE 0x80000000ul #define ISA_IO_BASE (KERN_IO_START) #define ISA_IO_END (KERN_IO_START + 0x10000ul) @@ -54,21 +55,9 @@ #define PHB_IO_END (KERN_IO_START + FULL_IO_SIZE) #define IOREMAP_BASE (PHB_IO_END) #define IOREMAP_START (ioremap_bot) -#define IOREMAP_END (KERN_VIRT_START + KERN_VIRT_SIZE - FIXADDR_SIZE) +#define IOREMAP_END (KERN_IO_START + KERN_IO_SIZE - FIXADDR_SIZE) #define FIXADDR_SIZE SZ_32M - -/* - * Region IDs - */ -#define REGION_SHIFT 60UL -#define REGION_MASK (0xfUL << REGION_SHIFT) -#define REGION_ID(ea) (((unsigned long)(ea)) >> REGION_SHIFT) - -#define VMALLOC_REGION_ID (REGION_ID(VMALLOC_START)) -#define KERNEL_REGION_ID (REGION_ID(PAGE_OFFSET)) -#define USER_REGION_ID (0UL) - /* * Defines the address of the vmemap area, in its own region on * after the vmalloc space on Book3E @@ -83,8 +72,6 @@ */ #include <asm/nohash/pte-book3e.h> -#define _PAGE_SAO 0 - #define PTE_RPN_MASK (~((1UL << PTE_RPN_SHIFT) - 1)) /* diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index ac75f4ab0dba..b499da6c1a99 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -193,7 +193,7 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, if (IS_ENABLED(CONFIG_PPC32) && IS_ENABLED(CONFIG_PTE_64BIT) && !percpu) { __asm__ __volatile__("\ stw%X0 %2,%0\n\ - eieio\n\ + mbar\n\ stw%X1 %L2,%1" : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4)) : "r" (pte) : "memory"); diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index c85f901227c9..e18c95f4e1d4 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -170,11 +170,15 @@ static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus) return bus->sysdata; } +#ifdef CONFIG_PPC_PMAC extern int pci_device_from_OF_node(struct device_node *node, u8 *bus, u8 *devfn); +#endif #ifndef CONFIG_PPC64 +#ifdef CONFIG_PPC_CHRP extern void pci_create_OF_bus_map(void); +#endif #else /* CONFIG_PPC64 */ diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index 915d6ee4b40a..289f1ec85bc5 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -14,7 +14,6 @@ #include <asm/machdep.h> #include <asm/io.h> -#include <asm/prom.h> #include <asm/pci-bridge.h> /* Return values for pci_controller_ops.probe_mode function */ @@ -39,7 +38,6 @@ #define pcibios_assign_all_busses() \ (pci_has_flag(PCI_REASSIGN_ALL_BUS)) -#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { if (ppc_md.pci_get_legacy_ide_irq) diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index d564d0ecd4cd..33f4bf8d22b0 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -20,25 +20,6 @@ struct mm_struct; #include <asm/nohash/pgtable.h> #endif /* !CONFIG_PPC_BOOK3S */ -/* Note due to the way vm flags are laid out, the bits are XWR */ -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY_X -#define __P101 PAGE_READONLY_X -#define __P110 PAGE_COPY_X -#define __P111 PAGE_COPY_X - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY_X -#define __S101 PAGE_READONLY_X -#define __S110 PAGE_SHARED_X -#define __S111 PAGE_SHARED_X - #ifndef __ASSEMBLY__ #ifndef MAX_PTRS_PER_PGD @@ -79,6 +60,7 @@ extern void paging_init(void); void poking_init(void); extern unsigned long ioremap_bot; +extern const pgprot_t protection_map[16]; /* * kern_addr_valid is intended to indicate whether an address is a valid diff --git a/arch/powerpc/include/asm/plpar_wrappers.h b/arch/powerpc/include/asm/plpar_wrappers.h index 83e0f701ebc6..8239c0af5eb2 100644 --- a/arch/powerpc/include/asm/plpar_wrappers.h +++ b/arch/powerpc/include/asm/plpar_wrappers.h @@ -43,11 +43,10 @@ static inline long extended_cede_processor(unsigned long latency_hint) set_cede_latency_hint(latency_hint); rc = cede_processor(); -#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG + /* Ensure that H_CEDE returns with IRQs on */ - if (WARN_ON(!(mfmsr() & MSR_EE))) + if (WARN_ON(IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG) && !(mfmsr() & MSR_EE))) __hard_irq_enable(); -#endif set_cede_latency_hint(old_latency_hint); diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 89beabf5325c..7b81b37a191e 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -290,7 +290,6 @@ #define PPC_INST_STRING 0x7c00042a #define PPC_INST_STRING_MASK 0xfc0007fe #define PPC_INST_STRING_GEN_MASK 0xfc00067e -#define PPC_INST_SETB 0x7c000100 #define PPC_INST_STSWI 0x7c0005aa #define PPC_INST_STSWX 0x7c00052a #define PPC_INST_TRECHKPT 0x7c0007dd @@ -581,6 +580,9 @@ #define PPC_RAW_BRANCH(offset) (0x48000000 | PPC_LI(offset)) #define PPC_RAW_BL(offset) (0x48000001 | PPC_LI(offset)) +#define PPC_RAW_TW(t0, a, b) (0x7f000008 | ___PPC_RS(t0) | ___PPC_RA(a) | ___PPC_RB(b)) +#define PPC_RAW_TRAP() PPC_RAW_TW(31, 0, 0) +#define PPC_RAW_SETB(t, bfa) (0x7c000100 | ___PPC_RT(t) | ___PPC_RA((bfa) << 2)) /* Deal with instructions that older assemblers aren't aware of */ #define PPC_BCCTR_FLUSH stringify_in_c(.long PPC_INST_BCCTR_FLUSH) diff --git a/arch/powerpc/include/asm/probes.h b/arch/powerpc/include/asm/probes.h index 6f66e358aa37..e77a2ed7d938 100644 --- a/arch/powerpc/include/asm/probes.h +++ b/arch/powerpc/include/asm/probes.h @@ -9,9 +9,9 @@ */ #include <linux/types.h> #include <asm/disassemble.h> +#include <asm/ppc-opcode.h> -typedef u32 ppc_opcode_t; -#define BREAKPOINT_INSTRUCTION 0x7fe00008 /* trap */ +#define BREAKPOINT_INSTRUCTION PPC_RAW_TRAP() /* trap */ /* Trap definitions per ISA */ #define IS_TW(instr) (((instr) & 0xfc0007fe) == 0x7c000008) diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index 5c80152e8f18..2e82820fbd64 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -12,15 +12,10 @@ * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. */ #include <linux/types.h> -#include <asm/irq.h> -#include <linux/atomic.h> - -/* These includes should be removed once implicit includes are cleaned up. */ -#include <linux/of.h> -#include <linux/of_fdt.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/platform_device.h> +#include <asm/firmware.h> + +struct device_node; +struct property; #define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ #define OF_DT_END_NODE 0x2 /* End node */ diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h index 8fa37ef5da4d..d8c28902cf59 100644 --- a/arch/powerpc/include/asm/setup.h +++ b/arch/powerpc/include/asm/setup.h @@ -12,7 +12,6 @@ extern unsigned long long memory_limit; extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); struct device_node; -extern void note_scsi_host(struct device_node *, void *); /* Used in very early kernel initialization. */ extern unsigned long reloc_offset(void); @@ -85,6 +84,11 @@ void __init machine_init(u64 dt_ptr); void __init early_setup(unsigned long dt_ptr); void early_setup_secondary(void); +/* prom_init (OpenFirmware) */ +unsigned long __init prom_init(unsigned long r3, unsigned long r4, + unsigned long pp, unsigned long r6, + unsigned long r7, unsigned long kbase); + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_SETUP_H */ diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h index 1d67bc8d7bc6..7130176d8cb8 100644 --- a/arch/powerpc/include/asm/synch.h +++ b/arch/powerpc/include/asm/synch.h @@ -14,7 +14,10 @@ extern void do_lwsync_fixups(unsigned long value, void *fixup_start, static inline void eieio(void) { - __asm__ __volatile__ ("eieio" : : : "memory"); + if (IS_ENABLED(CONFIG_BOOKE)) + __asm__ __volatile__ ("mbar" : : : "memory"); + else + __asm__ __volatile__ ("eieio" : : : "memory"); } static inline void isync(void) diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h index 09a9ae5f3656..b3de6102a907 100644 --- a/arch/powerpc/include/asm/tlb.h +++ b/arch/powerpc/include/asm/tlb.h @@ -19,8 +19,6 @@ #include <linux/pagemap.h> -#define tlb_start_vma(tlb, vma) do { } while (0) -#define tlb_end_vma(tlb, vma) do { } while (0) #define __tlb_remove_tlb_entry __tlb_remove_tlb_entry #define tlb_flush tlb_flush diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 9b82b38ff867..3ddc65c63a49 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -2,7 +2,6 @@ #ifndef _ARCH_POWERPC_UACCESS_H #define _ARCH_POWERPC_UACCESS_H -#include <asm/ppc_asm.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/extable.h> @@ -348,7 +347,7 @@ copy_mc_to_kernel(void *to, const void *from, unsigned long size) static inline unsigned long __must_check copy_mc_to_user(void __user *to, const void *from, unsigned long n) { - if (likely(check_copy_size(from, n, true))) { + if (check_copy_size(from, n, true)) { if (access_ok(to, n)) { allow_write_to_user(to, n); n = copy_mc_generic((void *)to, from, n); diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h index a7ae1860115a..4fea116d3d37 100644 --- a/arch/powerpc/include/asm/uprobes.h +++ b/arch/powerpc/include/asm/uprobes.h @@ -12,7 +12,7 @@ #include <linux/notifier.h> #include <asm/probes.h> -typedef ppc_opcode_t uprobe_opcode_t; +typedef u32 uprobe_opcode_t; #define MAX_UINSN_BYTES 8 #define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES) diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h index f3f4710d4ff5..46c31fb8748d 100644 --- a/arch/powerpc/include/asm/word-at-a-time.h +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -7,7 +7,7 @@ #include <linux/kernel.h> #include <asm/asm-compat.h> -#include <asm/ppc_asm.h> +#include <asm/extable.h> #ifdef __BIG_ENDIAN__ diff --git a/arch/powerpc/include/uapi/asm/bpf_perf_event.h b/arch/powerpc/include/uapi/asm/bpf_perf_event.h deleted file mode 100644 index 5e1e648aeec4..000000000000 --- a/arch/powerpc/include/uapi/asm/bpf_perf_event.h +++ /dev/null @@ -1,9 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef _UAPI__ASM_BPF_PERF_EVENT_H__ -#define _UAPI__ASM_BPF_PERF_EVENT_H__ - -#include <asm/ptrace.h> - -typedef struct user_pt_regs bpf_user_pt_regs_t; - -#endif /* _UAPI__ASM_BPF_PERF_EVENT_H__ */ |