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authorBorislav Petkov <bp@suse.de>2019-03-29 22:00:38 +0300
committerBorislav Petkov <bp@suse.de>2019-04-08 13:14:16 +0300
commit28e3ace70c3d2ea47a62dffe046011d1b74ee839 (patch)
tree634f492fe2a5a165e3892d053460233a01b0747b /arch/x86/mm/pgtable.c
parent67e87d43b794a8886b5d075b3e0fdd0c615a595f (diff)
downloadlinux-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.c4
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);