diff options
-rw-r--r-- | kernel/sched.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 27774b5aeb61..f475c608b073 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -5456,7 +5456,7 @@ static void move_task_off_dead_cpu(int dead_cpu, struct task_struct *p) | |||
5456 | struct rq *rq = cpu_rq(dead_cpu); | 5456 | struct rq *rq = cpu_rq(dead_cpu); |
5457 | int needs_cpu, uninitialized_var(dest_cpu); | 5457 | int needs_cpu, uninitialized_var(dest_cpu); |
5458 | unsigned long flags; | 5458 | unsigned long flags; |
5459 | again: | 5459 | |
5460 | local_irq_save(flags); | 5460 | local_irq_save(flags); |
5461 | 5461 | ||
5462 | raw_spin_lock(&rq->lock); | 5462 | raw_spin_lock(&rq->lock); |
@@ -5464,14 +5464,13 @@ again: | |||
5464 | if (needs_cpu) | 5464 | if (needs_cpu) |
5465 | dest_cpu = select_fallback_rq(dead_cpu, p); | 5465 | dest_cpu = select_fallback_rq(dead_cpu, p); |
5466 | raw_spin_unlock(&rq->lock); | 5466 | raw_spin_unlock(&rq->lock); |
5467 | 5467 | /* | |
5468 | /* It can have affinity changed while we were choosing. */ | 5468 | * It can only fail if we race with set_cpus_allowed(), |
5469 | * in the racer should migrate the task anyway. | ||
5470 | */ | ||
5469 | if (needs_cpu) | 5471 | if (needs_cpu) |
5470 | needs_cpu = !__migrate_task(p, dead_cpu, dest_cpu); | 5472 | __migrate_task(p, dead_cpu, dest_cpu); |
5471 | local_irq_restore(flags); | 5473 | local_irq_restore(flags); |
5472 | |||
5473 | if (unlikely(needs_cpu)) | ||
5474 | goto again; | ||
5475 | } | 5474 | } |
5476 | 5475 | ||
5477 | /* | 5476 | /* |