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-rw-r--r--kernel/sched_fair.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index fb8994c6d4bb..8264bb5dbd51 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1348,6 +1348,13 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p)
if (unlikely(se == pse))
return;
+ /*
+ * We can come here with TIF_NEED_RESCHED already set from new task
+ * wake up path.
+ */
+ if (test_tsk_need_resched(curr))
+ return;
+
cfs_rq_of(pse)->next = pse;
/*
@@ -1620,10 +1627,10 @@ static void task_new_fair(struct rq *rq, struct task_struct *p)
* 'current' within the tree based on its new key value.
*/
swap(curr->vruntime, se->vruntime);
+ resched_task(rq->curr);
}
enqueue_task_fair(rq, p, 0);
- resched_task(rq->curr);
}
/*