diff options
| author | Sean Christopherson <[email protected]> | 2022-10-06 00:03:11 +0000 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2022-11-09 12:31:11 -0500 |
| commit | bec46859fb9d797a21c983100b1f425bebe89747 (patch) | |
| tree | 91aa73353d95b3b0e380414363ea2905c7d222b1 /arch/x86/kvm/svm/svm.c | |
| parent | 0b9ca98b722969660ad98b39f766a561ccb39f5f (diff) | |
KVM: x86: Track supported PERF_CAPABILITIES in kvm_caps
Track KVM's supported PERF_CAPABILITIES in kvm_caps instead of computing
the supported capabilities on the fly every time. Using kvm_caps will
also allow for future cleanups as the kvm_caps values can be used
directly in common x86 code.
Signed-off-by: Sean Christopherson <[email protected]>
Acked-by: Like Xu <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'arch/x86/kvm/svm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm/svm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 9f88c8e6766e..d15f1934c904 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -2714,6 +2714,7 @@ static int svm_get_msr_feature(struct kvm_msr_entry *msr) msr->data |= MSR_F10H_DECFG_LFENCE_SERIALIZE; break; case MSR_IA32_PERF_CAPABILITIES: + msr->data = kvm_caps.supported_perf_cap; return 0; default: return KVM_MSR_RET_INVALID; @@ -4865,6 +4866,7 @@ static __init void svm_set_cpu_caps(void) { kvm_set_cpu_caps(); + kvm_caps.supported_perf_cap = 0; kvm_caps.supported_xss = 0; /* CPUID 0x80000001 and 0x8000000A (SVM features) */ |