diff options
| -rw-r--r-- | kernel/sched.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index f04add905bd..fdd26fffaa2 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2915,6 +2915,9 @@ static inline int wake_priority_sleeper(struct rq *rq) int ret = 0; #ifdef CONFIG_SCHED_SMT + if (!rq->nr_running) + return 0; + spin_lock(&rq->lock); /* * If an SMT sibling task has been put to sleep for priority |