diff mbox series

[RFC,v3,21/58] KVM: x86/pmu: Add a helper to check if passthrough PMU is enabled

Message ID 20240801045907.4010984-22-mizhang@google.com (mailing list archive)
State New, archived
Headers show
Series Mediated Passthrough vPMU 3.0 for x86 | expand

Commit Message

Mingwei Zhang Aug. 1, 2024, 4:58 a.m. UTC 
Add a helper to check if passthrough PMU is enabled for convenience as it
is vendor neutral.

Signed-off-by: Mingwei Zhang <mizhang@google.com>
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Yongwei Ma <yongwei.ma@intel.com>
---
 arch/x86/kvm/pmu.h | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index cf93be5e7359..56ba0772568c 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -48,6 +48,11 @@  struct kvm_pmu_ops {
 
 void kvm_pmu_ops_update(const struct kvm_pmu_ops *pmu_ops);
 
+static inline bool is_passthrough_pmu_enabled(struct kvm_vcpu *vcpu)
+{
+	return vcpu_to_pmu(vcpu)->passthrough;
+}
+
 static inline bool kvm_pmu_has_perf_global_ctrl(struct kvm_pmu *pmu)
 {
 	/*