diff options
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
-rw-r--r-- | arch/x86/kernel/cpu/amd.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 60e5497681f5..813d29d00a17 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c | |||
@@ -525,6 +525,13 @@ static void early_init_amd(struct cpuinfo_x86 *c) | |||
525 | } | 525 | } |
526 | #endif | 526 | #endif |
527 | 527 | ||
528 | /* | ||
529 | * This is only needed to tell the kernel whether to use VMCALL | ||
530 | * and VMMCALL. VMMCALL is never executed except under virt, so | ||
531 | * we can set it unconditionally. | ||
532 | */ | ||
533 | set_cpu_cap(c, X86_FEATURE_VMMCALL); | ||
534 | |||
528 | /* F16h erratum 793, CVE-2013-6885 */ | 535 | /* F16h erratum 793, CVE-2013-6885 */ |
529 | if (c->x86 == 0x16 && c->x86_model <= 0xf) | 536 | if (c->x86 == 0x16 && c->x86_model <= 0xf) |
530 | msr_set_bit(MSR_AMD64_LS_CFG, 15); | 537 | msr_set_bit(MSR_AMD64_LS_CFG, 15); |