Messages in this thread | | | Date | Tue, 19 May 2020 13:03:55 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v11 08/11] KVM: x86/pmu: Emulate LBR feature via guest LBR event |
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On Thu, May 14, 2020 at 04:30:51PM +0800, Like Xu wrote: > @@ -6698,6 +6698,7 @@ static fastpath_t vmx_vcpu_run(struct kvm_vcpu *vcpu) > > if (vcpu_to_pmu(vcpu)->version) > atomic_switch_perf_msrs(vmx); > + > atomic_switch_umwait_control_msr(vmx); > > if (enable_preemption_timer)
Is this where the test to see if any of the KVM events went into ERROR state should go?
if (event->state == PERF_EVENT_STATE_ERROR) { pr_warn("unhappy, someone stole our counter\n"); }
like..
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