diff options
| -rw-r--r-- | kernel/sched_rt.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index f365e66..3d4020a 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -136,6 +136,11 @@ static void dequeue_pushable_task(struct rq *rq, struct task_struct *p) plist_del(&p->pushable_tasks, &rq->rt.pushable_tasks); } +static inline int has_pushable_tasks(struct rq *rq) +{ + return !plist_head_empty(&rq->rt.pushable_tasks); +} + #else static inline void enqueue_pushable_task(struct rq *rq, struct task_struct *p) @@ -1064,11 +1069,6 @@ static struct task_struct *_pick_next_task_rt(struct rq *rq) return p; } -static inline int has_pushable_tasks(struct rq *rq) -{ - return !plist_head_empty(&rq->rt.pushable_tasks); -} - static struct task_struct *pick_next_task_rt(struct rq *rq) { struct task_struct *p = _pick_next_task_rt(rq); @@ -1077,11 +1077,13 @@ static struct task_struct *pick_next_task_rt(struct rq *rq) if (p) dequeue_pushable_task(rq, p); +#ifdef CONFIG_SMP /* * We detect this state here so that we can avoid taking the RQ * lock again later if there is no need to push */ rq->post_schedule = has_pushable_tasks(rq); +#endif return p; } |
