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| author | David S. Miller <davem@davemloft.net> | 2018-10-06 14:43:42 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-06 14:43:42 -0700 |
| commit | 72438f8cef4e75a22140853baa4c68392c721b22 (patch) | |
| tree | 78b7b6dafd827e0d55150a227db3978d91c0b6dd /kernel/events/core.c | |
| parent | fb4ee67529ff3e4c5874768477887c2df5714c96 (diff) | |
| parent | c1d84a1b42ef70d8ae601df9cadedc7ed4f1beb1 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'kernel/events/core.c')
| -rw-r--r-- | kernel/events/core.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index dcb093e7b377..5a97f34bc14c 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -8314,6 +8314,8 @@ void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size, goto unlock; list_for_each_entry_rcu(event, &ctx->event_list, event_entry) { + if (event->cpu != smp_processor_id()) + continue; if (event->attr.type != PERF_TYPE_TRACEPOINT) continue; if (event->attr.config != entry->type) @@ -9431,9 +9433,7 @@ static void free_pmu_context(struct pmu *pmu) if (pmu->task_ctx_nr > perf_invalid_context) return; - mutex_lock(&pmus_lock); free_percpu(pmu->pmu_cpu_context); - mutex_unlock(&pmus_lock); } /* @@ -9689,12 +9689,8 @@ EXPORT_SYMBOL_GPL(perf_pmu_register); void perf_pmu_unregister(struct pmu *pmu) { - int remove_device; - mutex_lock(&pmus_lock); - remove_device = pmu_bus_running; list_del_rcu(&pmu->entry); - mutex_unlock(&pmus_lock); /* * We dereference the pmu list under both SRCU and regular RCU, so @@ -9706,13 +9702,14 @@ void perf_pmu_unregister(struct pmu *pmu) free_percpu(pmu->pmu_disable_count); if (pmu->type >= PERF_TYPE_MAX) idr_remove(&pmu_idr, pmu->type); - if (remove_device) { + if (pmu_bus_running) { if (pmu->nr_addr_filters) device_remove_file(pmu->dev, &dev_attr_nr_addr_filters); device_del(pmu->dev); put_device(pmu->dev); } free_pmu_context(pmu); + mutex_unlock(&pmus_lock); } EXPORT_SYMBOL_GPL(perf_pmu_unregister); |