diff options
| author | Stanislav Lanci <pixo@polepetko.eu> | 2018-01-29 11:39:44 -0500 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2018-01-31 12:25:34 -0500 |
| commit | 806793f5f76eb9c000ed05e307a8f7e9450b3291 (patch) | |
| tree | a07d9bba90a8fd79688792e133b5ade01cf64b1f | |
| parent | d391f1207067268261add0485f0f34503539c5b0 (diff) | |
KVM: x86: AMD Processor Topology Information
This patch allow to enable x86 feature TOPOEXT. This is needed to provide
information about SMT on AMD Zen CPUs to the guest.
Signed-off-by: Stanislav Lanci <pixo@polepetko.eu>
Tested-by: Nick Sarnie <commendsarnex@gmail.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Babu Moger <babu.moger@amd.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index ac0041c2f5af..20e491b94f44 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c | |||
| @@ -371,7 +371,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, | |||
| 371 | F(LAHF_LM) | F(CMP_LEGACY) | 0 /*SVM*/ | 0 /* ExtApicSpace */ | | 371 | F(LAHF_LM) | F(CMP_LEGACY) | 0 /*SVM*/ | 0 /* ExtApicSpace */ | |
| 372 | F(CR8_LEGACY) | F(ABM) | F(SSE4A) | F(MISALIGNSSE) | | 372 | F(CR8_LEGACY) | F(ABM) | F(SSE4A) | F(MISALIGNSSE) | |
| 373 | F(3DNOWPREFETCH) | F(OSVW) | 0 /* IBS */ | F(XOP) | | 373 | F(3DNOWPREFETCH) | F(OSVW) | 0 /* IBS */ | F(XOP) | |
| 374 | 0 /* SKINIT, WDT, LWP */ | F(FMA4) | F(TBM); | 374 | 0 /* SKINIT, WDT, LWP */ | F(FMA4) | F(TBM) | |
| 375 | F(TOPOEXT); | ||
| 375 | 376 | ||
| 376 | /* cpuid 0xC0000001.edx */ | 377 | /* cpuid 0xC0000001.edx */ |
| 377 | const u32 kvm_cpuid_C000_0001_edx_x86_features = | 378 | const u32 kvm_cpuid_C000_0001_edx_x86_features = |