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KVM: x86/pmu: Move reprogram_counters() to pmu.h 

Move reprogram_counters() out of Intel specific PMU code and into pmu.h so
that it can be used to implement AMD PMU v2 support.

No functional change intended.

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Like Xu <likexu@tencent.com>
[sean: rewrite changelog]
Link: https://lore.kernel.org/r/20230603011058.1038821-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Like Xu 2023-06-02 18:10:48 -07:00 committed by Sean Christopherson
parent 53550b8922
commit 8de18543df
2 changed files with 12 additions and 12 deletions
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12
arch/x86/kvm/pmu.h
View File

@ -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);

12
arch/x86/kvm/vmx/pmu_intel.c
View File

@ -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);