diff options
| author | Borislav Petkov <bp@suse.de> | 2019-03-29 22:00:38 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2019-04-08 13:14:16 +0300 |
| commit | 28e3ace70c3d2ea47a62dffe046011d1b74ee839 (patch) | |
| tree | 634f492fe2a5a165e3892d053460233a01b0747b /arch/x86/mm/pgtable.c | |
| parent | 67e87d43b794a8886b5d075b3e0fdd0c615a595f (diff) | |
| download | linux-28e3ace70c3d2ea47a62dffe046011d1b74ee839.tar.xz | |
x86/mm: Convert some slow-path static_cpu_has() callers to boot_cpu_has()
Using static_cpu_has() is pointless on those paths, convert them to the
boot_cpu_has() variant.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86@kernel.org
Link: https://lkml.kernel.org/r/20190330112022.28888-5-bp@alien8.de
Diffstat (limited to 'arch/x86/mm/pgtable.c')
| -rw-r--r-- | arch/x86/mm/pgtable.c | 4 |
1 files changed, 2 insertions, 2 deletions
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); |