diff --git a/include/linux/sched.h b/include/linux/sched.h index 03c238088aee57a26fbbcd110cf10e901e918fb9..698b5a4d25a7b0cdec488b76c28817986715c6f5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1977,6 +1977,11 @@ static inline void clear_tsk_need_resched(struct task_struct *tsk) clear_tsk_thread_flag(tsk,TIF_NEED_RESCHED); } +static inline int test_tsk_need_resched(struct task_struct *tsk) +{ + return unlikely(test_tsk_thread_flag(tsk,TIF_NEED_RESCHED)); +} + static inline int signal_pending(struct task_struct *p) { return unlikely(test_tsk_thread_flag(p,TIF_SIGPENDING)); @@ -1991,7 +1996,7 @@ static inline int fatal_signal_pending(struct task_struct *p) static inline int need_resched(void) { - return unlikely(test_thread_flag(TIF_NEED_RESCHED)); + return unlikely(test_tsk_need_resched(current)); } /* diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index dcd6495885930d89e203060247da2fa8b5ea0f1f..060e87b0cb1c7e3ab7c12084da2061322e4a3f5a 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -1098,11 +1098,14 @@ static void post_schedule_rt(struct rq *rq) } } - +/* + * If we are not running and we are not going to reschedule soon, we should + * try to push tasks away now + */ static void task_wake_up_rt(struct rq *rq, struct task_struct *p) { if (!task_running(rq, p) && - (p->prio >= rq->rt.highest_prio) && + !test_tsk_need_resched(rq->curr) && rq->rt.overloaded) push_rt_tasks(rq); }