diff options
Diffstat (limited to 'arch/x86/kvm/vmx/pmu_intel.c')
-rw-r--r-- | arch/x86/kvm/vmx/pmu_intel.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c index fd21cdb10b79..7c857737b438 100644 --- a/arch/x86/kvm/vmx/pmu_intel.c +++ b/arch/x86/kvm/vmx/pmu_intel.c @@ -263,9 +263,15 @@ static int intel_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (!msr_info->host_initiated) data = (s64)(s32)data; pmc->counter += data - pmc_read_counter(pmc); + if (pmc->perf_event) + perf_event_period(pmc->perf_event, + get_sample_period(pmc, data)); return 0; } else if ((pmc = get_fixed_pmc(pmu, msr))) { pmc->counter += data - pmc_read_counter(pmc); + if (pmc->perf_event) + perf_event_period(pmc->perf_event, + get_sample_period(pmc, data)); return 0; } else if ((pmc = get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0))) { if (data == pmc->eventsel) @@ -329,7 +335,7 @@ static void intel_pmu_refresh(struct kvm_vcpu *vcpu) pmu->global_ovf_ctrl_mask = pmu->global_ctrl_mask & ~(MSR_CORE_PERF_GLOBAL_OVF_CTRL_OVF_BUF | MSR_CORE_PERF_GLOBAL_OVF_CTRL_COND_CHGD); - if (kvm_x86_ops->pt_supported()) + if (vmx_pt_mode_is_host_guest()) pmu->global_ovf_ctrl_mask &= ~MSR_CORE_PERF_GLOBAL_OVF_CTRL_TRACE_TOPA_PMI; |