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-rw-r--r--arch/x86/kvm/pmu.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index b7a625874203..7ebb62326c14 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -89,6 +89,12 @@ static inline bool pmc_is_enabled(struct kvm_pmc *pmc)
return kvm_x86_ops->pmu_ops->pmc_is_enabled(pmc);
}
+static inline bool kvm_valid_perf_global_ctrl(struct kvm_pmu *pmu,
+ u64 data)
+{
+ return !(pmu->global_ctrl_mask & data);
+}
+
/* returns general purpose PMC with the specified MSR. Note that it can be
* used for both PERFCTRn and EVNTSELn; that is why it accepts base as a
* paramenter to tell them apart.