Message ID | 1443460875-3682-1-git-send-email-luis.henriques@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 5c89af9ea192..f06dcf7dcd00 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5174,6 +5174,14 @@ static int sched_cpu_active(struct notifier_block *nfb, case CPU_STARTING: set_cpu_rq_start_time(); return NOTIFY_OK; + case CPU_ONLINE: + /* + * At this point a starting CPU has marked itself as online via + * set_cpu_online(). But it might not yet have marked itself + * as active, which is essential from here on. + * + * Thus, fall-through and help the starting CPU along. + */ case CPU_DOWN_FAILED: set_cpu_active((long)hcpu, true); return NOTIFY_OK;