diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-09-17 11:28:49 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-09-17 12:48:48 +0200 |
| commit | 917bdd1c9b7b0f4c22f2504c2f0c1074c8ab9df7 (patch) | |
| tree | 63b408a2b5951580d5c1bba7d64932ddee2c6d12 | |
| parent | perf: Complete software pmu grouping (diff) | |
| download | linux-917bdd1c9b7b0f4c22f2504c2f0c1074c8ab9df7.tar.xz linux-917bdd1c9b7b0f4c22f2504c2f0c1074c8ab9df7.zip | |
perf: Fix perf_event_exit_cpu_context()
Use the right cpu-context.. spotted by preempt warning on
hot-unplug
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Robert Richter <robert.richter@amd.com>
LKML-Reference: <20100917093009.461794357@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | kernel/perf_event.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 6d7eef5f3c41..27332e5f51a7 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -6269,14 +6269,13 @@ static void perf_event_exit_cpu_context(int cpu) idx = srcu_read_lock(&pmus_srcu); list_for_each_entry_rcu(pmu, &pmus, entry) { - ctx = &this_cpu_ptr(pmu->pmu_cpu_context)->ctx; + ctx = &per_cpu_ptr(pmu->pmu_cpu_context, cpu)->ctx; mutex_lock(&ctx->mutex); smp_call_function_single(cpu, __perf_event_exit_context, ctx, 1); mutex_unlock(&ctx->mutex); } srcu_read_unlock(&pmus_srcu, idx); - } static void perf_event_exit_cpu(int cpu) |