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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-04-16 15:30:54 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-04-16 15:30:54 -0300 |
| commit | bdcfd44fb5b5fb8fd660e7f93f1095c507481024 (patch) | |
| tree | e423b07154d422b711ddfadedb87c43317d3c4f6 /arch/x86/kernel/cpu/perf_event_knc.c | |
| parent | 4a327fcef90ba27150a3e8741441b68c605ae248 (diff) | |
Linux-libre 4.5.1-gnupck-4.5.1-gnu
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event_knc.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_knc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_knc.c b/arch/x86/kernel/cpu/perf_event_knc.c index 5b0c232d1..b931095e8 100644 --- a/arch/x86/kernel/cpu/perf_event_knc.c +++ b/arch/x86/kernel/cpu/perf_event_knc.c @@ -263,7 +263,9 @@ again: goto again; done: - knc_pmu_enable_all(0); + /* Only restore PMU state when it's active. See x86_pmu_disable(). */ + if (cpuc->enabled) + knc_pmu_enable_all(0); return handled; } |