[PATCH] KVM: x86: Sort CPUID_8000_0021_EAX leaf bits properly

From: Borislav Petkov
Date: Mon Mar 24 2025 - 12:06:38 EST


From: "Borislav Petkov (AMD)" <bp@xxxxxxxxx>

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@xxxxxxxxx>
---
arch/x86/kvm/cpuid.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 121edf1f2a79..e98ab18f784b 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -1160,6 +1160,7 @@ 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
@@ -1173,10 +1174,14 @@ 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),
+ /* FSRS */
+ /* FSRC */
/* PrefetchCtlMsr */
- F(WRMSR_XX_BASE_NS),
+ /* GpOnUserCpuid */
+ /* EPSF */
SYNTHESIZED_F(SBPB),
SYNTHESIZED_F(IBPB_BRTYPE),
SYNTHESIZED_F(SRSO_NO),
--
2.43.0