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-rw-r--r--kernel/sched.c13
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;
5459again: 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/*