diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kernel/perf_cpum_cf.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index 91ee0f399aae..1b7a0525fbed 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -362,15 +362,9 @@ static void cpumf_pmu_start(struct perf_event *event, int flags) struct cpu_cf_events *cpuhw = this_cpu_ptr(&cpu_cf_events); struct hw_perf_event *hwc = &event->hw; - if (WARN_ON_ONCE(!(hwc->state & PERF_HES_STOPPED))) + if (!(hwc->state & PERF_HES_STOPPED)) return; - if (WARN_ON_ONCE(hwc->config == -1)) - return; - - if (flags & PERF_EF_RELOAD) - WARN_ON_ONCE(!(hwc->state & PERF_HES_UPTODATE)); - hwc->state = 0; /* (Re-)enable and activate the counter set */ |