diff --git a/kernel/sched/core.c b/kernel/sched/core.c index f99ee69867e3..255a318cf24e 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3720,9 +3720,16 @@ static int ttwu_runnable(struct task_struct *p, int wake_flags) rq = __task_rq_lock(p, &rf); if (task_on_rq_queued(p)) { - /* check_preempt_curr() may use rq clock */ - update_rq_clock(rq); - ttwu_do_wakeup(rq, p, wake_flags, &rf); + if (!task_on_cpu(rq, p)) { + /* + * When on_rq && !on_cpu the task is preempted, see if + * it should preempt the task that is current now. + */ + update_rq_clock(rq); + check_preempt_curr(rq, p, wake_flags); + } + WRITE_ONCE(p->__state, TASK_RUNNING); + trace_sched_wakeup(p); ret = 1; } __task_rq_unlock(rq, &rf);