diff options
| author | Sean Christopherson <seanjc@google.com> | 2023-11-10 05:28:52 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2024-02-01 20:35:48 +0300 |
| commit | e5a65d4f723ab9997deab798c539e6bfd71f8440 (patch) | |
| tree | c8ad383b1b4c18509af87f9aea4e66133a372067 /arch/x86/kvm/vmx/pmu_intel.c | |
| parent | 004a0aa56edea3effc97bc90a620da1bcde5c63c (diff) | |
| download | linux-e5a65d4f723ab9997deab798c539e6bfd71f8440.tar.xz | |
KVM: x86/pmu: Add macros to iterate over all PMCs given a bitmap
Add and use kvm_for_each_pmc() to dedup a variety of open coded for-loops
that iterate over valid PMCs given a bitmap (and because seeing checkpatch
whine about bad macro style is always amusing).
No functional change intended.
Link: https://lore.kernel.org/r/20231110022857.1273836-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm/vmx/pmu_intel.c')
| -rw-r--r-- | arch/x86/kvm/vmx/pmu_intel.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c index 845a964f22a6..73b9943ceb17 100644 --- a/arch/x86/kvm/vmx/pmu_intel.c +++ b/arch/x86/kvm/vmx/pmu_intel.c @@ -704,11 +704,8 @@ void intel_pmu_cross_mapped_check(struct kvm_pmu *pmu) struct kvm_pmc *pmc = NULL; int bit, hw_idx; - for_each_set_bit(bit, (unsigned long *)&pmu->global_ctrl, - X86_PMC_IDX_MAX) { - pmc = kvm_pmc_idx_to_pmc(pmu, bit); - - if (!pmc || !pmc_speculative_in_use(pmc) || + kvm_for_each_pmc(pmu, pmc, bit, (unsigned long *)&pmu->global_ctrl) { + if (!pmc_speculative_in_use(pmc) || !pmc_is_globally_enabled(pmc) || !pmc->perf_event) continue; |