diff options
Diffstat (limited to 'arch/powerpc/include/asm')
24 files changed, 240 insertions, 66 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb-radix.h b/arch/powerpc/include/asm/book3s/64/hugetlb-radix.h index 60f4764..c45189a 100644 --- a/arch/powerpc/include/asm/book3s/64/hugetlb-radix.h +++ b/arch/powerpc/include/asm/book3s/64/hugetlb-radix.h @@ -11,4 +11,19 @@ extern unsigned long radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); + +static inline int hstate_get_psize(struct hstate *hstate) +{ + unsigned long shift; + + shift = huge_page_shift(hstate); + if (shift == mmu_psize_defs[MMU_PAGE_2M].shift) + return MMU_PAGE_2M; + else if (shift == mmu_psize_defs[MMU_PAGE_1G].shift) + return MMU_PAGE_1G; + else { + WARN(1, "Wrong huge page shift\n"); + return mmu_virtual_psize; + } +} #endif diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h index 5eaf86a..287a656 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h @@ -24,6 +24,7 @@ #include <asm/book3s/64/pgtable.h> #include <asm/bug.h> #include <asm/processor.h> +#include <asm/cpu_has_feature.h> /* * SLB @@ -190,6 +191,15 @@ static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize) BUG(); } +static inline unsigned long get_sllp_encoding(int psize) +{ + unsigned long sllp; + + sllp = ((mmu_psize_defs[psize].sllp & SLB_VSID_L) >> 6) | + ((mmu_psize_defs[psize].sllp & SLB_VSID_LP) >> 4); + return sllp; +} + #endif /* __ASSEMBLY__ */ /* diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index d4eda64..8afb0e0 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -23,13 +23,6 @@ struct mmu_psize_def { }; extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; -#ifdef CONFIG_PPC_RADIX_MMU -#define radix_enabled() mmu_has_feature(MMU_FTR_RADIX) -#else -#define radix_enabled() (0) -#endif - - #endif /* __ASSEMBLY__ */ /* 64-bit classic hash table MMU */ @@ -107,6 +100,9 @@ extern int mmu_vmemmap_psize; extern int mmu_io_psize; /* MMU initialization */ +void mmu_early_init_devtree(void); +void hash__early_init_devtree(void); +void radix__early_init_devtree(void); extern void radix_init_native(void); extern void hash__early_init_mmu(void); extern void radix__early_init_mmu(void); @@ -132,11 +128,15 @@ extern void radix__setup_initial_memory_limit(phys_addr_t first_memblock_base, static inline void setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size) { - if (radix_enabled()) + if (early_radix_enabled()) return radix__setup_initial_memory_limit(first_memblock_base, first_memblock_size); return hash__setup_initial_memory_limit(first_memblock_base, first_memblock_size); } + +extern int (*register_process_table)(unsigned long base, unsigned long page_size, + unsigned long tbl_size); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_BOOK3S_64_MMU_H_ */ diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h index f12ddf5..2f63731 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h @@ -75,11 +75,6 @@ static inline void hash__flush_tlb_page(struct vm_area_struct *vma, { } -static inline void hash__flush_tlb_page_nohash(struct vm_area_struct *vma, - unsigned long vmaddr) -{ -} - static inline void hash__flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h index 00703e7e..6503776 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h @@ -10,26 +10,32 @@ static inline int mmu_get_ap(int psize) return mmu_psize_defs[psize].ap; } +extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end); +extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start, + unsigned long end, int psize); +extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end); extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end); extern void radix__local_flush_tlb_mm(struct mm_struct *mm); extern void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -extern void radix___local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, - unsigned long ap, int nid); extern void radix__local_flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr); +extern void radix__local_flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr, + int psize); extern void radix__tlb_flush(struct mmu_gather *tlb); #ifdef CONFIG_SMP extern void radix__flush_tlb_mm(struct mm_struct *mm); extern void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -extern void radix___flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, - unsigned long ap, int nid); extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr); +extern void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr, + int psize); #else #define radix__flush_tlb_mm(mm) radix__local_flush_tlb_mm(mm) #define radix__flush_tlb_page(vma,addr) radix__local_flush_tlb_page(vma,addr) -#define radix___flush_tlb_page(mm,addr,p,i) radix___local_flush_tlb_page(mm,addr,p,i) +#define radix__flush_tlb_page_psize(mm,addr,p) radix__local_flush_tlb_page_psize(mm,addr,p) #define radix__flush_tlb_pwc(tlb, addr) radix__local_flush_tlb_pwc(tlb, addr) #endif extern void radix__flush_tlb_lpid_va(unsigned long lpid, unsigned long gpa, diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h index 96e5769..72b925f 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -7,6 +7,25 @@ #include <asm/book3s/64/tlbflush-hash.h> #include <asm/book3s/64/tlbflush-radix.h> +#define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE +static inline void flush_pmd_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ + if (radix_enabled()) + return radix__flush_pmd_tlb_range(vma, start, end); + return hash__flush_tlb_range(vma, start, end); +} + +#define __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE +static inline void flush_hugetlb_tlb_range(struct vm_area_struct *vma, + unsigned long start, + unsigned long end) +{ + if (radix_enabled()) + return radix__flush_hugetlb_tlb_range(vma, start, end); + return hash__flush_tlb_range(vma, start, end); +} + static inline void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { @@ -38,14 +57,6 @@ static inline void local_flush_tlb_page(struct vm_area_struct *vma, return hash__local_flush_tlb_page(vma, vmaddr); } -static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, - unsigned long vmaddr) -{ - if (radix_enabled()) - return radix__flush_tlb_page(vma, vmaddr); - return hash__flush_tlb_page_nohash(vma, vmaddr); -} - static inline void tlb_flush(struct mmu_gather *tlb) { if (radix_enabled()) diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index 69fb16d..b77f036 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -11,6 +11,7 @@ #include <linux/mm.h> #include <asm/cputable.h> +#include <asm/cpu_has_feature.h> /* * No cache flushing is required when address mappings are changed, diff --git a/arch/powerpc/include/asm/cpu_has_feature.h b/arch/powerpc/include/asm/cpu_has_feature.h new file mode 100644 index 0000000..2ef55f8 --- /dev/null +++ b/arch/powerpc/include/asm/cpu_has_feature.h @@ -0,0 +1,53 @@ +#ifndef __ASM_POWERPC_CPUFEATURES_H +#define __ASM_POWERPC_CPUFEATURES_H + +#ifndef __ASSEMBLY__ + +#include <linux/bug.h> +#include <asm/cputable.h> + +static inline bool early_cpu_has_feature(unsigned long feature) +{ + return !!((CPU_FTRS_ALWAYS & feature) || + (CPU_FTRS_POSSIBLE & cur_cpu_spec->cpu_features & feature)); +} + +#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS +#include <linux/jump_label.h> + +#define NUM_CPU_FTR_KEYS 64 + +extern struct static_key_true cpu_feature_keys[NUM_CPU_FTR_KEYS]; + +static __always_inline bool cpu_has_feature(unsigned long feature) +{ + int i; + + BUILD_BUG_ON(!__builtin_constant_p(feature)); + +#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG + if (!static_key_initialized) { + printk("Warning! cpu_has_feature() used prior to jump label init!\n"); + dump_stack(); + return early_cpu_has_feature(feature); + } +#endif + + if (CPU_FTRS_ALWAYS & feature) + return true; + + if (!(CPU_FTRS_POSSIBLE & feature)) + return false; + + i = __builtin_ctzl(feature); + return static_branch_likely(&cpu_feature_keys[i]); +} +#else +static inline bool cpu_has_feature(unsigned long feature) +{ + return early_cpu_has_feature(feature); +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_POWERPC_CPUFEATURE_H */ diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index df4fb5f..82026b4 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -2,6 +2,7 @@ #define __ASM_POWERPC_CPUTABLE_H +#include <linux/types.h> #include <asm/asm-compat.h> #include <asm/feature-fixups.h> #include <uapi/asm/cputable.h> @@ -122,6 +123,12 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start, extern const char *powerpc_base_platform; +#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS +extern void cpu_feature_keys_init(void); +#else +static inline void cpu_feature_keys_init(void) { } +#endif + /* TLB flush actions. Used as argument to cpu_spec.flush_tlb() hook */ enum { TLB_INVAL_SCOPE_GLOBAL = 0, /* invalidate all TLBs */ @@ -576,14 +583,6 @@ enum { }; #endif /* __powerpc64__ */ -static inline int cpu_has_feature(unsigned long feature) -{ - return (CPU_FTRS_ALWAYS & feature) || - (CPU_FTRS_POSSIBLE - & cur_cpu_spec->cpu_features - & feature); -} - #define HBP_NUM 1 #endif /* !__ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index 2dfd4fc..4f60db0 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -28,6 +28,7 @@ static inline void setup_cputime_one_jiffy(void) { } #include <asm/div64.h> #include <asm/time.h> #include <asm/param.h> +#include <asm/cpu_has_feature.h> typedef u64 __nocast cputime_t; typedef u64 __nocast cputime64_t; diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h index 5fa6b20..3781673 100644 --- a/arch/powerpc/include/asm/dbell.h +++ b/arch/powerpc/include/asm/dbell.h @@ -16,6 +16,7 @@ #include <linux/threads.h> #include <asm/ppc-opcode.h> +#include <asm/cpu_has_feature.h> #define PPC_DBELL_MSG_BRDCAST (0x04000000) #define PPC_DBELL_TYPE(x) (((x) & 0xf) << (63-36)) diff --git a/arch/powerpc/include/asm/dcr-native.h b/arch/powerpc/include/asm/dcr-native.h index 4efc11d..4a2beef 100644 --- a/arch/powerpc/include/asm/dcr-native.h +++ b/arch/powerpc/include/asm/dcr-native.h @@ -24,6 +24,7 @@ #include <linux/spinlock.h> #include <asm/cputable.h> +#include <asm/cpu_has_feature.h> typedef struct { unsigned int base; diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index e2d9f49..c5517f4 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -147,7 +147,7 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, { pte_t pte; pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); - flush_tlb_page(vma, addr); + flush_hugetlb_page(vma, addr); } static inline int huge_pte_none(pte_t pte) diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index 9af103a..9a287e0 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -22,7 +22,7 @@ static __always_inline bool arch_static_branch(struct static_key *key, bool branch) { asm_volatile_goto("1:\n\t" - "nop\n\t" + "nop # arch_static_branch\n\t" ".pushsection __jump_table, \"aw\"\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" ".popsection \n\t" @@ -36,7 +36,7 @@ l_yes: static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch) { asm_volatile_goto("1:\n\t" - "b %l[l_yes]\n\t" + "b %l[l_yes] # arch_static_branch_jump\n\t" ".pushsection __jump_table, \"aw\"\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" ".popsection \n\t" diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index 1f4497f..88d17b4 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -181,8 +181,7 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, switch (b_psize) { case MMU_PAGE_4K: - sllp = ((mmu_psize_defs[a_psize].sllp & SLB_VSID_L) >> 6) | - ((mmu_psize_defs[a_psize].sllp & SLB_VSID_LP) >> 4); + sllp = get_sllp_encoding(a_psize); rb |= sllp << 5; /* AP field */ rb |= (va_low & 0x7ff) << 12; /* remaining 11 bits of AVA */ break; diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 76f5398..0420b38 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -219,8 +219,6 @@ struct machdep_calls { #ifdef CONFIG_ARCH_RANDOM int (*get_random_seed)(unsigned long *v); #endif - int (*register_process_table)(unsigned long base, unsigned long page_size, - unsigned long tbl_size); }; extern void e500_idle(void); diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h index fc420ce..30922f6 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -13,6 +13,7 @@ #include <asm/cputable.h> #include <linux/mm.h> +#include <asm/cpu_has_feature.h> /* * This file is included by linux/mman.h, so we can't use cacl_vm_prot_bits() diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 5447122..e2fb408 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -12,7 +12,7 @@ */ /* - * First half is MMU families + * MMU families */ #define MMU_FTR_HPTE_TABLE ASM_CONST(0x00000001) #define MMU_FTR_TYPE_8xx ASM_CONST(0x00000002) @@ -21,9 +21,13 @@ #define MMU_FTR_TYPE_FSL_E ASM_CONST(0x00000010) #define MMU_FTR_TYPE_47x ASM_CONST(0x00000020) +/* Radix page table supported and enabled */ +#define MMU_FTR_TYPE_RADIX ASM_CONST(0x00000040) + /* - * This is individual features + * Individual features below. */ + /* * We need to clear top 16bits of va (from the remaining 64 bits )in * tlbie* instructions @@ -93,11 +97,6 @@ */ #define MMU_FTR_1T_SEGMENT ASM_CONST(0x40000000) -/* - * Radix page table available - */ -#define MMU_FTR_RADIX ASM_CONST(0x80000000) - /* MMU feature bit sets for various CPUs */ #define MMU_FTRS_DEFAULT_HPTE_ARCH_V2 \ MMU_FTR_HPTE_TABLE | MMU_FTR_PPCAS_ARCH_V2 @@ -113,6 +112,7 @@ #define MMU_FTRS_PA6T MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \ MMU_FTR_CI_LARGE_PAGE | MMU_FTR_NO_SLBIE_B #ifndef __ASSEMBLY__ +#include <linux/bug.h> #include <asm/cputable.h> #ifdef CONFIG_PPC_FSL_BOOK3E @@ -131,20 +131,71 @@ enum { MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_CI_LARGE_PAGE | MMU_FTR_1T_SEGMENT | MMU_FTR_TLBIE_CROP_VA | #ifdef CONFIG_PPC_RADIX_MMU - MMU_FTR_RADIX | + MMU_FTR_TYPE_RADIX | #endif 0, }; -static inline int mmu_has_feature(unsigned long feature) +static inline bool early_mmu_has_feature(unsigned long feature) { - return (MMU_FTRS_POSSIBLE & cur_cpu_spec->mmu_features & feature); + return !!(MMU_FTRS_POSSIBLE & cur_cpu_spec->mmu_features & feature); +} + +#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS +#include <linux/jump_label.h> + +#define NUM_MMU_FTR_KEYS 32 + +extern struct static_key_true mmu_feature_keys[NUM_MMU_FTR_KEYS]; + +extern void mmu_feature_keys_init(void); + +static __always_inline bool mmu_has_feature(unsigned long feature) +{ + int i; + + BUILD_BUG_ON(!__builtin_constant_p(feature)); + +#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG + if (!static_key_initialized) { + printk("Warning! mmu_has_feature() used prior to jump label init!\n"); + dump_stack(); + return early_mmu_has_feature(feature); + } +#endif + + if (!(MMU_FTRS_POSSIBLE & feature)) + return false; + + i = __builtin_ctzl(feature); + return static_branch_likely(&mmu_feature_keys[i]); } static inline void mmu_clear_feature(unsigned long feature) { + int i; + + i = __builtin_ctzl(feature); cur_cpu_spec->mmu_features &= ~feature; + static_branch_disable(&mmu_feature_keys[i]); } +#else + +static inline void mmu_feature_keys_init(void) +{ + +} + +static inline bool mmu_has_feature(unsigned long feature) +{ + return early_mmu_has_feature(feature); +} + +static inline void mmu_clear_feature(unsigned long feature) +{ + cur_cpu_spec->mmu_features &= ~feature; +} +#endif /* CONFIG_JUMP_LABEL */ extern unsigned int __start___mmu_ftr_fixup, __stop___mmu_ftr_fixup; @@ -164,6 +215,28 @@ static inline void assert_pte_locked(struct mm_struct *mm, unsigned long addr) } #endif /* !CONFIG_DEBUG_VM */ +#ifdef CONFIG_PPC_RADIX_MMU +static inline bool radix_enabled(void) +{ + return mmu_has_feature(MMU_FTR_TYPE_RADIX); +} + +static inline bool early_radix_enabled(void) +{ + return early_mmu_has_feature(MMU_FTR_TYPE_RADIX); +} +#else +static inline bool radix_enabled(void) +{ + return false; +} + +static inline bool early_radix_enabled(void) +{ + return false; +} +#endif + #endif /* !__ASSEMBLY__ */ /* The kernel use the constants below to index in the page sizes array. @@ -210,6 +283,7 @@ extern void early_init_mmu(void); extern void early_init_mmu_secondary(void); extern void setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size); +static inline void mmu_early_init_devtree(void) { } #endif /* __ASSEMBLY__ */ #endif @@ -230,9 +304,5 @@ extern void setup_initial_memory_limit(phys_addr_t first_memblock_base, # include <asm/mmu-8xx.h> #endif -#ifndef radix_enabled -#define radix_enabled() (0) -#endif - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_MMU_H_ */ diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 40f3615..f69f40f 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1256,15 +1256,6 @@ static inline void msr_check_and_clear(unsigned long bits) __msr_check_and_clear(bits); } -static inline unsigned long mfvtb (void) -{ -#ifdef CONFIG_PPC_BOOK3S_64 - if (cpu_has_feature(CPU_FTR_ARCH_207S)) - return mfspr(SPRN_VTB); -#endif - return 0; -} - #ifdef __powerpc64__ #if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_FSL_BOOK3E) #define mftb() ({unsigned long rval; \ diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 17c8380..0a74ebe 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -75,6 +75,14 @@ static inline void disable_kernel_spe(void) static inline void __giveup_spe(struct task_struct *t) { } #endif +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM +extern void flush_tmregs_to_thread(struct task_struct *); +#else +static inline void flush_tmregs_to_thread(struct task_struct *t) +{ +} +#endif + static inline void clear_task_ebb(struct task_struct *t) { #ifdef CONFIG_PPC_BOOK3S_64 diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h index 0921164..b240666 100644 --- a/arch/powerpc/include/asm/time.h +++ b/arch/powerpc/include/asm/time.h @@ -18,6 +18,7 @@ #include <linux/percpu.h> #include <asm/processor.h> +#include <asm/cpu_has_feature.h> /* time.c */ extern unsigned long tb_ticks_per_jiffy; @@ -103,7 +104,7 @@ static inline u64 get_vtb(void) { #ifdef CONFIG_PPC_BOOK3S_64 if (cpu_has_feature(CPU_FTR_ARCH_207S)) - return mfvtb(); + return mfspr(SPRN_VTB); #endif return 0; } diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h index 20733fa..f6f68f7 100644 --- a/arch/powerpc/include/asm/tlb.h +++ b/arch/powerpc/include/asm/tlb.h @@ -46,5 +46,18 @@ static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, #endif } +#ifdef CONFIG_SMP +static inline int mm_is_core_local(struct mm_struct *mm) +{ + return cpumask_subset(mm_cpumask(mm), + topology_sibling_cpumask(smp_processor_id())); +} +#else +static inline int mm_is_core_local(struct mm_struct *mm) +{ + return 1; +} +#endif + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_TLB_H */ diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h index 1b38eea..13dbcd4 100644 --- a/arch/powerpc/include/asm/tlbflush.h +++ b/arch/powerpc/include/asm/tlbflush.h @@ -54,7 +54,6 @@ extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, #define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) #define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i) #endif -#define flush_tlb_page_nohash(vma,addr) flush_tlb_page(vma,addr) #elif defined(CONFIG_PPC_STD_MMU_32) diff --git a/arch/powerpc/include/asm/xor.h b/arch/powerpc/include/asm/xor.h index 0abb97f..a36c206 100644 --- a/arch/powerpc/include/asm/xor.h +++ b/arch/powerpc/include/asm/xor.h @@ -23,6 +23,7 @@ #ifdef CONFIG_ALTIVEC #include <asm/cputable.h> +#include <asm/cpu_has_feature.h> void xor_altivec_2(unsigned long bytes, unsigned long *v1_in, unsigned long *v2_in); 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