diff mbox series

[v2,1/5] KVM: arm64: PMU: Use of pmuv3_implemented() instead of open-coded version

Message ID 20230728181907.1759513-2-reijiw@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: arm64: PMU: Fix PMUver related handling for vPMU support | expand

Commit Message

Reiji Watanabe July 28, 2023, 6:19 p.m. UTC 
Replace the open-coded PMU version check with pmuv3_implemented()
to simplify the code.

Signed-off-by: Reiji Watanabe <reijiw@google.com>
---
 arch/arm64/kvm/pmu-emul.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c
index 560650972478..dee83119e112 100644
--- a/arch/arm64/kvm/pmu-emul.c
+++ b/arch/arm64/kvm/pmu-emul.c
@@ -14,6 +14,7 @@ 
 #include <asm/kvm_emulate.h>
 #include <kvm/arm_pmu.h>
 #include <kvm/arm_vgic.h>
+#include <asm/arm_pmuv3.h>
 
 #define PERF_ATTR_CFG1_COUNTER_64BIT	BIT(0)
 
@@ -672,8 +673,7 @@  void kvm_host_pmu_init(struct arm_pmu *pmu)
 {
 	struct arm_pmu_entry *entry;
 
-	if (pmu->pmuver == ID_AA64DFR0_EL1_PMUVer_NI ||
-	    pmu->pmuver == ID_AA64DFR0_EL1_PMUVer_IMP_DEF)
+	if (!pmuv3_implemented(pmu->pmuver))
 		return;
 
 	mutex_lock(&arm_pmus_lock);