diff options
| author | Kim Phillips <kim.phillips@amd.com> | 2023-01-24 17:33:19 +0100 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2023-01-25 17:21:40 +0100 |
| commit | 8c19b6f257fa71ed3a7a9df6ce466c6be31ca04c (patch) | |
| tree | 96793126145310ca3a474b9032e63c3c0495edd8 /arch/x86/kvm/cpuid.c | |
| parent | x86/cpu: Support AMD Automatic IBRS (diff) | |
| download | linux-8c19b6f257fa71ed3a7a9df6ce466c6be31ca04c.tar.xz linux-8c19b6f257fa71ed3a7a9df6ce466c6be31ca04c.zip | |
KVM: x86: Propagate the AMD Automatic IBRS feature to the guest
Add the AMD Automatic IBRS feature bit to those being propagated to the guest,
and enable the guest EFER bit.
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20230124163319.2277355-9-kim.phillips@amd.com
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 28071e9376fb..f1f4fe87e720 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -743,7 +743,7 @@ void kvm_set_cpu_caps(void) kvm_cpu_cap_mask(CPUID_8000_0021_EAX, F(NO_NESTED_DATA_BP) | F(LFENCE_RDTSC) | 0 /* SmmPgCfgLock */ | - F(NULL_SEL_CLR_BASE) | 0 /* PrefetchCtlMsr */ + F(NULL_SEL_CLR_BASE) | F(AUTOIBRS) | 0 /* PrefetchCtlMsr */ ); /* |