diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index e33b03c2bb9a..e47d7e55c46a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6251,20 +6251,14 @@ static inline void sched_submit_work(struct task_struct *tsk) task_flags = tsk->flags; /* - * If a worker went to sleep, notify and ask workqueue whether - * it wants to wake up a task to maintain concurrency. - * As this function is called inside the schedule() context, - * we disable preemption to avoid it calling schedule() again - * in the possible wakeup of a kworker and because wq_worker_sleeping() - * requires it. + * If a worker goes to sleep, notify and ask workqueue whether it + * wants to wake up a task to maintain concurrency. */ if (task_flags & (PF_WQ_WORKER | PF_IO_WORKER)) { - preempt_disable(); if (task_flags & PF_WQ_WORKER) wq_worker_sleeping(tsk); else io_wq_worker_sleeping(tsk); - preempt_enable_no_resched(); } if (tsk_is_pi_blocked(tsk)) |