diff options
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 0030db473c99..45e90105a59c 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4729,6 +4729,14 @@ static int sched_cpu_active(struct notifier_block *nfb, unsigned long action, void *hcpu) { switch (action & ~CPU_TASKS_FROZEN) { + 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; |