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Message-Id: <20230410105056.60973-2-likexu@tencent.com>
Date: Mon, 10 Apr 2023 18:50:47 +0800
From: Like Xu <like.xu.linux@...il.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH V5 01/10] KVM: x86/pmu: Expose reprogram_counters() in pmu.h
From: Like Xu <likexu@...cent.com>
The optimization stands on its own, whereas the code movement is
justified only by the incoming AMD PMU v2 support.
No functional change intended.
Suggested-by: Sean Christopherson <seanjc@...gle.com>
Signed-off-by: Like Xu <likexu@...cent.com>
---
arch/x86/kvm/pmu.h | 12 ++++++++++++
arch/x86/kvm/vmx/pmu_intel.c | 12 ------------
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index 5c7bbf03b599..986563aeeef8 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -201,6 +201,18 @@ static inline void kvm_pmu_request_counter_reprogram(struct kvm_pmc *pmc)
kvm_make_request(KVM_REQ_PMU, pmc->vcpu);
}
+static inline void reprogram_counters(struct kvm_pmu *pmu, u64 diff)
+{
+ int bit;
+
+ if (!diff)
+ return;
+
+ for_each_set_bit(bit, (unsigned long *)&diff, X86_PMC_IDX_MAX)
+ set_bit(bit, pmu->reprogram_pmi);
+ kvm_make_request(KVM_REQ_PMU, pmu_to_vcpu(pmu));
+}
+
void kvm_pmu_deliver_pmi(struct kvm_vcpu *vcpu);
void kvm_pmu_handle_event(struct kvm_vcpu *vcpu);
int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);
diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
index 741efe2c497b..1f9c3e916a21 100644
--- a/arch/x86/kvm/vmx/pmu_intel.c
+++ b/arch/x86/kvm/vmx/pmu_intel.c
@@ -73,18 +73,6 @@ static struct kvm_pmc *intel_pmc_idx_to_pmc(struct kvm_pmu *pmu, int pmc_idx)
}
}
-static void reprogram_counters(struct kvm_pmu *pmu, u64 diff)
-{
- int bit;
-
- if (!diff)
- return;
-
- for_each_set_bit(bit, (unsigned long *)&diff, X86_PMC_IDX_MAX)
- set_bit(bit, pmu->reprogram_pmi);
- kvm_make_request(KVM_REQ_PMU, pmu_to_vcpu(pmu));
-}
-
static bool intel_hw_event_available(struct kvm_pmc *pmc)
{
struct kvm_pmu *pmu = pmc_to_pmu(pmc);
--
2.40.0
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