linux-kernel - [PATCH 15/18] KVM: x86/pmu: Drop redundant check on PMC being locally enabled for emulation

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Message-ID: <20250805190526.1453366-16-seanjc@google.com>
Date: Tue,  5 Aug 2025 12:05:23 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, Xin Li <xin@...or.com>, 
	Dapeng Mi <dapeng1.mi@...ux.intel.com>, Sandipan Das <sandipan.das@....com>
Subject: [PATCH 15/18] KVM: x86/pmu: Drop redundant check on PMC being locally
 enabled for emulation

Drop the check on a PMC being locally enabled when triggering emulated
events, as the bitmap of passed-in PMCs only contains locally enabled PMCs.

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 arch/x86/kvm/pmu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index bdcd9c6f0ec0..422af7734846 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -969,8 +969,7 @@ static void kvm_pmu_trigger_event(struct kvm_vcpu *vcpu,
 		return;
 
 	kvm_for_each_pmc(pmu, pmc, i, bitmap) {
-		if (!pmc_is_locally_enabled(pmc) ||
-		    !check_pmu_event_filter(pmc) || !cpl_is_matched(pmc))
+		if (!check_pmu_event_filter(pmc) || !cpl_is_matched(pmc))
 			continue;
 
 		kvm_pmu_incr_counter(pmc);
-- 
2.50.1.565.gc32cd1483b-goog