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-rw-r--r--kernel/perf_event.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 74c60021cdbc..fb4e56eb58f4 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -98,6 +98,7 @@ void __weak hw_perf_enable(void) { barrier(); }
void __weak hw_perf_event_setup(int cpu) { barrier(); }
void __weak hw_perf_event_setup_online(int cpu) { barrier(); }
+void __weak hw_perf_event_setup_offline(int cpu) { barrier(); }
int __weak
hw_perf_group_sched_in(struct perf_event *group_leader,
@@ -5462,6 +5463,10 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
perf_event_exit_cpu(cpu);
break;
+ case CPU_DEAD:
+ hw_perf_event_setup_offline(cpu);
+ break;
+
default:
break;
}