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-rw-r--r--arch/x86/kvm/pmu.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index 2226db9601e2..597a8f8f90b9 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -400,6 +400,12 @@ static bool check_pmu_event_filter(struct kvm_pmc *pmc)
return is_fixed_event_allowed(filter, pmc->idx);
}
+static bool pmc_event_is_allowed(struct kvm_pmc *pmc)
+{
+ return pmc_is_globally_enabled(pmc) && pmc_speculative_in_use(pmc) &&
+ check_pmu_event_filter(pmc);
+}
+
static void reprogram_counter(struct kvm_pmc *pmc)
{
struct kvm_pmu *pmu = pmc_to_pmu(pmc);
@@ -409,10 +415,7 @@ static void reprogram_counter(struct kvm_pmc *pmc)
pmc_pause_counter(pmc);
- if (!pmc_speculative_in_use(pmc) || !pmc_is_globally_enabled(pmc))
- goto reprogram_complete;
-
- if (!check_pmu_event_filter(pmc))
+ if (!pmc_event_is_allowed(pmc))
goto reprogram_complete;
if (pmc->counter < pmc->prev_counter)
@@ -688,7 +691,7 @@ void kvm_pmu_trigger_event(struct kvm_vcpu *vcpu, u64 perf_hw_id)
for_each_set_bit(i, pmu->all_valid_pmc_idx, X86_PMC_IDX_MAX) {
pmc = static_call(kvm_x86_pmu_pmc_idx_to_pmc)(pmu, i);
- if (!pmc || !pmc_is_globally_enabled(pmc) || !pmc_speculative_in_use(pmc))
+ if (!pmc || !pmc_event_is_allowed(pmc))
continue;
/* Ignore checks for edge detect, pin control, invert and CMASK bits */