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authorBorislav Petkov <[email protected]>2019-03-29 20:00:38 +0100
committerBorislav Petkov <[email protected]>2019-04-08 12:14:16 +0200
commit28e3ace70c3d2ea47a62dffe046011d1b74ee839 (patch)
tree634f492fe2a5a165e3892d053460233a01b0747b /arch/x86/mm/pgtable.c
parent67e87d43b794a8886b5d075b3e0fdd0c615a595f (diff)
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 <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Dave Hansen <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected]
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);