diff mbox series

[v5,6/8] KVM: x86: Init vcpu->arch.perf_capabilities in common x86 code

Message ID 20221006000314.73240-7-seanjc@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: x86: Intel LBR related perf cleanups | expand

Commit Message

Sean Christopherson Oct. 6, 2022, 12:03 a.m. UTC 
Initialize vcpu->arch.perf_capabilities in x86's kvm_arch_vcpu_create()
instead of deferring initialization to vendor code.  For better or worse,
common x86 handles reads and writes to the MSR, and so common x86 should
also handle initializing the MSR.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/kvm/vmx/pmu_intel.c | 1 -
 arch/x86/kvm/x86.c           | 2 ++
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
index 24f4c22691f8..49343ee48062 100644
--- a/arch/x86/kvm/vmx/pmu_intel.c
+++ b/arch/x86/kvm/vmx/pmu_intel.c
@@ -631,7 +631,6 @@  static void intel_pmu_init(struct kvm_vcpu *vcpu)
 		pmu->fixed_counters[i].current_config = 0;
 	}
 
-	vcpu->arch.perf_capabilities = kvm_caps.supported_perf_cap;
 	lbr_desc->records.nr = 0;
 	lbr_desc->event = NULL;
 	lbr_desc->msr_passthrough = false;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 4bd5f8a751de..b6a973d53f93 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -11821,6 +11821,8 @@  int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 	vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT;
 
 	kvm_async_pf_hash_reset(vcpu);
+
+	vcpu->arch.perf_capabilities = kvm_caps.supported_perf_cap;
 	kvm_pmu_init(vcpu);
 
 	vcpu->arch.pending_external_vector = -1;