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Diffstat (limited to 'arch/x86/kvm/reverse_cpuid.h')
-rw-r--r--arch/x86/kvm/reverse_cpuid.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h
index 81f4e9ce0c77..a5717282bb9c 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},
[CPUID_8000_0021_EAX] = {0x80000021, 0, CPUID_EAX},
};
@@ -101,6 +106,8 @@ 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;
}