diff options
Diffstat (limited to 'kernel/sched/rt.c')
-rw-r--r-- | kernel/sched/rt.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index a21ea6021929..e4f398ad9e73 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1498,6 +1498,14 @@ static void check_preempt_curr_rt(struct rq *rq, struct task_struct *p, int flag #endif } +static inline void set_next_task(struct rq *rq, struct task_struct *p) +{ + p->se.exec_start = rq_clock_task(rq); + + /* The running task is never eligible for pushing */ + dequeue_pushable_task(rq, p); +} + static struct sched_rt_entity *pick_next_rt_entity(struct rq *rq, struct rt_rq *rt_rq) { @@ -1518,7 +1526,6 @@ static struct sched_rt_entity *pick_next_rt_entity(struct rq *rq, static struct task_struct *_pick_next_task_rt(struct rq *rq) { struct sched_rt_entity *rt_se; - struct task_struct *p; struct rt_rq *rt_rq = &rq->rt; do { @@ -1527,10 +1534,7 @@ static struct task_struct *_pick_next_task_rt(struct rq *rq) rt_rq = group_rt_rq(rt_se); } while (rt_rq); - p = rt_task_of(rt_se); - p->se.exec_start = rq_clock_task(rq); - - return p; + return rt_task_of(rt_se); } static struct task_struct * @@ -1573,8 +1577,7 @@ pick_next_task_rt(struct rq *rq, struct task_struct *prev, struct rq_flags *rf) p = _pick_next_task_rt(rq); - /* The running task is never eligible for pushing */ - dequeue_pushable_task(rq, p); + set_next_task(rq, p); rt_queue_push_tasks(rq); @@ -1810,10 +1813,8 @@ static int push_rt_task(struct rq *rq) return 0; retry: - if (unlikely(next_task == rq->curr)) { - WARN_ON(1); + if (WARN_ON(next_task == rq->curr)) return 0; - } /* * It's possible that the next_task slipped in of @@ -2355,12 +2356,7 @@ static void task_tick_rt(struct rq *rq, struct task_struct *p, int queued) static void set_curr_task_rt(struct rq *rq) { - struct task_struct *p = rq->curr; - - p->se.exec_start = rq_clock_task(rq); - - /* The running task is never eligible for pushing */ - dequeue_pushable_task(rq, p); + set_next_task(rq, rq->curr); } static unsigned int get_rr_interval_rt(struct rq *rq, struct task_struct *task) |