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authorKim Phillips <kim.phillips@amd.com>2023-01-10 16:46:37 -0600
committerBorislav Petkov (AMD) <bp@alien8.de>2023-01-25 12:33:06 +0100
commit8415a74852d7c24795007ee9862d25feb519007c (patch)
tree089cb958df335d0179604b6129795ed56c3dc494 /arch/x86/kvm/reverse_cpuid.h
parente12ad468c22065a2826b2fc4c11d2113a7975301 (diff)
x86/cpu, kvm: Add support for CPUID_80000021_EAX
Add support for CPUID leaf 80000021, EAX. The majority of the features will be used in the kernel and thus a separate leaf is appropriate. Include KVM's reverse_cpuid entry because features are used by VM guests, too. [ bp: Massage commit message. ] 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/20230124163319.2277355-2-kim.phillips@amd.com
Diffstat (limited to 'arch/x86/kvm/reverse_cpuid.h')
-rw-r--r--arch/x86/kvm/reverse_cpuid.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h
index 042d0aca3c92..81f4e9ce0c77 100644
--- a/arch/x86/kvm/reverse_cpuid.h
+++ b/arch/x86/kvm/reverse_cpuid.h
@@ -68,6 +68,7 @@ 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_0021_EAX] = {0x80000021, 0, CPUID_EAX},
};
/*