diff options
Diffstat (limited to 'arch/x86/kvm/svm/pmu.c')
| -rw-r--r-- | arch/x86/kvm/svm/pmu.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c index 136039fc6d01..d93ecb25fe17 100644 --- a/arch/x86/kvm/svm/pmu.c +++ b/arch/x86/kvm/svm/pmu.c @@ -232,7 +232,16 @@ static struct kvm_pmc *amd_rdpmc_ecx_to_pmc(struct kvm_vcpu *vcpu, static bool amd_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr) { /* All MSRs refer to exactly one PMC, so msr_idx_to_pmc is enough. */ - return false; + if (!host_initiated) + return false; + + switch (msr) { + case MSR_K7_EVNTSEL0 ... MSR_K7_PERFCTR3: + case MSR_F15H_PERF_CTL0 ... MSR_F15H_PERF_CTR5: + return true; + default: + return false; + } } static struct kvm_pmc *amd_msr_idx_to_pmc(struct kvm_vcpu *vcpu, u32 msr) |