samsung_sm8750/android_kernel_samsung_sm8750
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KVM: x86/pmu: Move pmc_speculative_in_use() to arch/x86/kvm/pmu.h

Browse Source 
It allows this inline function to be reused by more callers in
more files, such as pmu_intel.c.

Signed-off-by: Like Xu <like.xu@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Message-Id: <20220411101946.20262-14-likexu@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Like Xu
2022-04-11 18:19:42 +08:00
committed by Paolo Bonzini
parent d10551738f
commit 63f21f326f
2 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
arch/x86/kvm/pmu.c
View File

@@ -503,17 +503,6 @@ void kvm_pmu_init(struct kvm_vcpu *vcpu)
kvm_pmu_refresh(vcpu);
}
static inline bool pmc_speculative_in_use(struct kvm_pmc *pmc)
{
struct kvm_pmu *pmu = pmc_to_pmu(pmc);
if (pmc_is_fixed(pmc))
return fixed_ctrl_field(pmu->fixed_ctr_ctrl,
pmc->idx - INTEL_PMC_IDX_FIXED) & 0x3;
return pmc->eventsel & ARCH_PERFMON_EVENTSEL_ENABLE;
}
/* Release perf_events for vPMCs that have been unused for a full time slice. */
void kvm_pmu_cleanup(struct kvm_vcpu *vcpu)
{

11
arch/x86/kvm/pmu.h
View File

@@ -152,6 +152,17 @@ static inline void pmc_update_sample_period(struct kvm_pmc *pmc)
get_sample_period(pmc, pmc->counter));
}
static inline bool pmc_speculative_in_use(struct kvm_pmc *pmc)
{
struct kvm_pmu *pmu = pmc_to_pmu(pmc);
if (pmc_is_fixed(pmc))
return fixed_ctrl_field(pmu->fixed_ctr_ctrl,
pmc->idx - INTEL_PMC_IDX_FIXED) & 0x3;
return pmc->eventsel & ARCH_PERFMON_EVENTSEL_ENABLE;
}
void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel);
void reprogram_fixed_counter(struct kvm_pmc *pmc, u8 ctrl, int fixed_idx);
void reprogram_counter(struct kvm_pmu *pmu, int pmc_idx);