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| author | Kim Phillips <kim.phillips@amd.com> | 2023-01-11 01:46:37 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2023-01-25 14:33:06 +0300 |
| commit | 8415a74852d7c24795007ee9862d25feb519007c (patch) | |
| tree | 089cb958df335d0179604b6129795ed56c3dc494 /arch/x86/kvm | |
| parent | e12ad468c22065a2826b2fc4c11d2113a7975301 (diff) | |
| download | linux-8415a74852d7c24795007ee9862d25feb519007c.tar.xz | |
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')
| -rw-r--r-- | arch/x86/kvm/reverse_cpuid.h | 1 |
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}, }; /* |