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KVM: x86: Sort CPUID_8000_0021_EAX leaf bits properly

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WRMSR_XX_BASE_NS is bit 1 so put it there, add some new bits as
comments only.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20250324160617.15379-1-bp@kernel.org
[sean: skip the FSRS/FSRC placeholders to avoid confusion]
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Borislav Petkov
2025-03-24 17:06:17 +01:00
committed by Sean Christopherson
parent f804dc6aa2
commit 49c140d5af
1 changed files with 4 additions and 1 deletions
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5
arch/x86/kvm/cpuid.c
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@@ -1152,6 +1152,7 @@ void kvm_set_cpu_caps(void)
kvm_cpu_cap_init(CPUID_8000_0021_EAX,
F(NO_NESTED_DATA_BP),
F(WRMSR_XX_BASE_NS),
/*
* Synthesize "LFENCE is serializing" into the AMD-defined entry
* in KVM's supported CPUID, i.e. if the feature is reported as
@@ -1165,10 +1166,12 @@ void kvm_set_cpu_caps(void)
SYNTHESIZED_F(LFENCE_RDTSC),
/* SmmPgCfgLock */
F(NULL_SEL_CLR_BASE),
/* UpperAddressIgnore */
F(AUTOIBRS),
EMULATED_F(NO_SMM_CTL_MSR),
/* PrefetchCtlMsr */
F(WRMSR_XX_BASE_NS),
/* GpOnUserCpuid */
/* EPSF */
SYNTHESIZED_F(SBPB),
SYNTHESIZED_F(IBPB_BRTYPE),
SYNTHESIZED_F(SRSO_NO),