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Commit 917bdd1c authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

perf: Fix perf_event_exit_cpu_context() 



Use the right cpu-context.. spotted by preempt warning on
hot-unplug

Signed-off-by: default avatarPeter 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: default avatarIngo Molnar <mingo@elte.hu>
parent b04243ef

kernel/perf_event.c

+1 −2
Original line number Diff line number Diff line
@@ -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)