diff options
Diffstat (limited to 'kernel/sched/rt.c')
| -rw-r--r-- | kernel/sched/rt.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 7936d4333731..f1867fe8e5c5 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1490,7 +1490,7 @@ static void requeue_task_rt(struct rq *rq, struct task_struct *p, int head) static void yield_task_rt(struct rq *rq) { - requeue_task_rt(rq, rq->curr, 0); + requeue_task_rt(rq, rq->donor, 0); } static int find_lowest_rq(struct task_struct *task); @@ -1695,7 +1695,7 @@ static struct task_struct *_pick_next_task_rt(struct rq *rq) return rt_task_of(rt_se); } -static struct task_struct *pick_task_rt(struct rq *rq) +static struct task_struct *pick_task_rt(struct rq *rq, struct rq_flags *rf) { struct task_struct *p; @@ -2437,11 +2437,14 @@ static void switched_to_rt(struct rq *rq, struct task_struct *p) * us to initiate a push or pull. */ static void -prio_changed_rt(struct rq *rq, struct task_struct *p, int oldprio) +prio_changed_rt(struct rq *rq, struct task_struct *p, u64 oldprio) { if (!task_on_rq_queued(p)) return; + if (p->prio == oldprio) + return; + if (task_current_donor(rq, p)) { /* * If our priority decreases while running, we @@ -2566,6 +2569,8 @@ static int task_is_throttled_rt(struct task_struct *p, int cpu) DEFINE_SCHED_CLASS(rt) = { + .queue_mask = 4, + .enqueue_task = enqueue_task_rt, .dequeue_task = dequeue_task_rt, .yield_task = yield_task_rt, @@ -2589,8 +2594,8 @@ DEFINE_SCHED_CLASS(rt) = { .get_rr_interval = get_rr_interval_rt, - .prio_changed = prio_changed_rt, .switched_to = switched_to_rt, + .prio_changed = prio_changed_rt, .update_curr = update_curr_rt, |