diff options
| author | Like Xu <like.xu@linux.intel.com> | 2022-04-11 18:19:42 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-06-08 04:48:11 -0400 |
| commit | 63f21f326fc9e068d04c2c1d0a722e8db65588ba (patch) | |
| tree | 1be881e08d35f74a2ec54ebbb415aefcca7ff5fd /arch/x86/kvm/pmu.h | |
| parent | d10551738f6adcc3e6040fc846b171e72e94f0e9 (diff) | |
KVM: x86/pmu: Move pmc_speculative_in_use() to arch/x86/kvm/pmu.h
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>
Diffstat (limited to 'arch/x86/kvm/pmu.h')
| -rw-r--r-- | arch/x86/kvm/pmu.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h index 5966ce18a82b..d01c883ca95c 100644 --- a/arch/x86/kvm/pmu.h +++ b/arch/x86/kvm/pmu.h @@ -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); |