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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-06 15:32:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-06 15:32:35 -0700 |
| commit | f725492dd16f516c2b67d7cee90b8619d09fd534 (patch) | |
| tree | d99530011c025f88fa6e34d84b3d95a612a42469 /arch/x86/mm | |
| parent | 80e77644efcc1ec1064edd4c66a989cdf2e7ec7e (diff) | |
| parent | 3855f11d54a07256cc4a6fb85c692000208a73a7 (diff) | |
| download | linux-f725492dd16f516c2b67d7cee90b8619d09fd534.tar.bz2 | |
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
"This includes the following changes:
- cpu_has() cleanups
- sync_bitops.h modernization to the rmwcc.h facility, similarly to
bitops.h
- continued LTO annotations/fixes
- misc cleanups and smaller cleanups"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/um/vdso: Drop unnecessary cc-ldoption
x86/vdso: Rename variable to fix -Wshadow warning
x86/cpu/amd: Exclude 32bit only assembler from 64bit build
x86/asm: Mark all top level asm statements as .text
x86/build/vdso: Add FORCE to the build rule of %.so
x86/asm: Modernize sync_bitops.h
x86/mm: Convert some slow-path static_cpu_has() callers to boot_cpu_has()
x86: Convert some slow-path static_cpu_has() callers to boot_cpu_has()
x86/asm: Clarify static_cpu_has()'s intended use
x86/uaccess: Fix implicit cast of __user pointer
x86/cpufeature: Remove __pure attribute to _static_cpu_has()
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/dump_pagetables.c | 4 | ||||
| -rw-r--r-- | arch/x86/mm/pgtable.c | 4 | ||||
| -rw-r--r-- | arch/x86/mm/pti.c | 2 |
3 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index c0309ea9abee..6a7302d1161f 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -578,7 +578,7 @@ void ptdump_walk_pgd_level(struct seq_file *m, pgd_t *pgd) void ptdump_walk_pgd_level_debugfs(struct seq_file *m, pgd_t *pgd, bool user) { #ifdef CONFIG_PAGE_TABLE_ISOLATION - if (user && static_cpu_has(X86_FEATURE_PTI)) + if (user && boot_cpu_has(X86_FEATURE_PTI)) pgd = kernel_to_user_pgdp(pgd); #endif ptdump_walk_pgd_level_core(m, pgd, false, false); @@ -591,7 +591,7 @@ void ptdump_walk_user_pgd_level_checkwx(void) pgd_t *pgd = INIT_PGD; if (!(__supported_pte_mask & _PAGE_NX) || - !static_cpu_has(X86_FEATURE_PTI)) + !boot_cpu_has(X86_FEATURE_PTI)) return; pr_info("x86/mm: Checking user space page tables\n"); diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 7bd01709a091..3dbf440d4114 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -190,7 +190,7 @@ static void pgd_dtor(pgd_t *pgd) * when PTI is enabled. We need them to map the per-process LDT into the * user-space page-table. */ -#define PREALLOCATED_USER_PMDS (static_cpu_has(X86_FEATURE_PTI) ? \ +#define PREALLOCATED_USER_PMDS (boot_cpu_has(X86_FEATURE_PTI) ? \ KERNEL_PGD_PTRS : 0) #define MAX_PREALLOCATED_USER_PMDS KERNEL_PGD_PTRS @@ -292,7 +292,7 @@ static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp) #ifdef CONFIG_PAGE_TABLE_ISOLATION - if (!static_cpu_has(X86_FEATURE_PTI)) + if (!boot_cpu_has(X86_FEATURE_PTI)) return; pgdp = kernel_to_user_pgdp(pgdp); diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index d0255d64edce..9c2463bc158f 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -628,7 +628,7 @@ static void pti_set_kernel_image_nonglobal(void) */ void __init pti_init(void) { - if (!static_cpu_has(X86_FEATURE_PTI)) + if (!boot_cpu_has(X86_FEATURE_PTI)) return; pr_info("enabled\n"); |