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| author | Oliver Upton <oliver.upton@linux.dev> | 2023-02-13 22:28:30 +0000 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2023-02-13 22:28:34 +0000 |
| commit | 92425e058ab6ab1a4c4a9d384d2d86b810f57e23 (patch) | |
| tree | 612588ba735977d3f5e73c4f7af72769f24bd059 /arch/x86/kvm/reverse_cpuid.h | |
| parent | 5dc4c995db9eb45f6373a956eb1f69460e69e6d4 (diff) | |
| parent | 9f1a4c004869d3c8061f286fec4d8096dd099b84 (diff) | |
Merge branch kvm/kvm-hw-enable-refactor into kvmarm/next
Merge the kvm_init() + hardware enable rework to avoid conflicts
with kvmarm.
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/x86/kvm/reverse_cpuid.h')
| -rw-r--r-- | arch/x86/kvm/reverse_cpuid.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h index 042d0aca3c92..4945456fd646 100644 --- a/arch/x86/kvm/reverse_cpuid.h +++ b/arch/x86/kvm/reverse_cpuid.h @@ -14,6 +14,7 @@ enum kvm_only_cpuid_leafs { CPUID_12_EAX = NCAPINTS, CPUID_7_1_EDX, + CPUID_8000_0007_EDX, NR_KVM_CPU_CAPS, NKVMCAPINTS = NR_KVM_CPU_CAPS - NCAPINTS, @@ -43,6 +44,9 @@ enum kvm_only_cpuid_leafs { #define X86_FEATURE_AVX_NE_CONVERT KVM_X86_FEATURE(CPUID_7_1_EDX, 5) #define X86_FEATURE_PREFETCHITI KVM_X86_FEATURE(CPUID_7_1_EDX, 14) +/* CPUID level 0x80000007 (EDX). */ +#define KVM_X86_FEATURE_CONSTANT_TSC KVM_X86_FEATURE(CPUID_8000_0007_EDX, 8) + struct cpuid_reg { u32 function; u32 index; @@ -68,6 +72,7 @@ static const struct cpuid_reg reverse_cpuid[] = { [CPUID_12_EAX] = {0x00000012, 0, CPUID_EAX}, [CPUID_8000_001F_EAX] = {0x8000001f, 0, CPUID_EAX}, [CPUID_7_1_EDX] = { 7, 1, CPUID_EDX}, + [CPUID_8000_0007_EDX] = {0x80000007, 0, CPUID_EDX}, }; /* @@ -100,6 +105,8 @@ static __always_inline u32 __feature_translate(int x86_feature) return KVM_X86_FEATURE_SGX2; else if (x86_feature == X86_FEATURE_SGX_EDECCSSA) return KVM_X86_FEATURE_SGX_EDECCSSA; + else if (x86_feature == X86_FEATURE_CONSTANT_TSC) + return KVM_X86_FEATURE_CONSTANT_TSC; return x86_feature; } |