diff mbox series

[RFC,6/8] KVM: x86/pmu: properly use INTEL_PMC_FIXED_RDPMC_BASE macro

Message ID 20221212125844.41157-7-likexu@tencent.com
State New
Headers
Series KVM: x86/pmu: Enable Fixed Counter3 and Topdown Perf Metrics |

Commit Message

Like Xu Dec. 12, 2022, 12:58 p.m. UTC 
  From: Like Xu <likexu@tencent.com>

Use macro INTEL_PMC_FIXED_RDPMC_BASE in the rdpmc context to
improve readability. No functional change intended.

Signed-off-by: Like Xu <likexu@tencent.com>
---
 arch/x86/kvm/vmx/pmu_intel.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
index 637fd709f5f4..b69d337d51d9 100644
--- a/arch/x86/kvm/vmx/pmu_intel.c
+++ b/arch/x86/kvm/vmx/pmu_intel.c
@@ -136,7 +136,7 @@  static bool intel_pmc_is_enabled(struct kvm_pmc *pmc)
 static bool intel_is_valid_rdpmc_ecx(struct kvm_vcpu *vcpu, unsigned int idx)
 {
 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	bool fixed = idx & (1u << 30);
+	bool fixed = idx & INTEL_PMC_FIXED_RDPMC_BASE;
 
 	idx &= ~(3u << 30);
 
@@ -148,7 +148,7 @@  static struct kvm_pmc *intel_rdpmc_ecx_to_pmc(struct kvm_vcpu *vcpu,
 					    unsigned int idx, u64 *mask)
 {
 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	bool fixed = idx & (1u << 30);
+	bool fixed = idx & INTEL_PMC_FIXED_RDPMC_BASE;
 	struct kvm_pmc *counters;
 	unsigned int num_counters;