sched/core: Add missing lockdep_unpin() annotations

[karo-tx-linux.git] / kernel / sched / core.c

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 5bd7d60658d3744c6f43c24215be74a25481ffb5..bcd214e4b4d630eb3304f6000a220dc881bafc24 100644 (file)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2366,8 +2366,15 @@ void wake_up_new_task(struct task_struct *p)
        trace_sched_wakeup_new(p);
        check_preempt_curr(rq, p, WF_FORK);
 #ifdef CONFIG_SMP
-       if (p->sched_class->task_woken)
+       if (p->sched_class->task_woken) {
+               /*
+                * Nothing relies on rq->lock after this, so its fine to
+                * drop it.
+                */
+               lockdep_unpin_lock(&rq->lock);
                p->sched_class->task_woken(rq, p);
+               lockdep_pin_lock(&rq->lock);
+       }
 #endif
        task_rq_unlock(rq, p, &flags);
 }