Commit 5e11637e authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

perf: Fix CPU hotplug 



Since we have UP_PREPARE, we should also have UP_CANCELED.

Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: paulus <paulus@samba.org>
LKML-Reference: <new-submission>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 9cb627d5

kernel/perf_event.c

+3 −3
Original line number Diff line number Diff line
@@ -5761,15 +5761,15 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) 
{

	unsigned int cpu = (long)hcpu;



	switch (action) {

	switch (action & ~CPU_TASKS_FROZEN) {



	case CPU_UP_PREPARE:

	case CPU_UP_PREPARE_FROZEN:

	case CPU_DOWN_FAILED:

		perf_event_init_cpu(cpu);

		break;



	case CPU_UP_CANCELED:

	case CPU_DOWN_PREPARE:

	case CPU_DOWN_PREPARE_FROZEN:

		perf_event_exit_cpu(cpu);

		break;