Messages in this thread Patch in this message | | | From | Dietmar Eggemann <> | Subject | [PATCH 4/5] sched/deadline: Cleanup on_dl_rq() handling | Date | Fri, 26 Jul 2019 09:27:55 +0100 |
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Remove BUG_ON() in __enqueue_dl_entity() since there is already one in enqueue_dl_entity().
Move the check that the dl_se is not on the dl_rq from __dequeue_dl_entity() to dequeue_dl_entity() to align with the enqueue side and use the on_dl_rq() helper function.
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> --- kernel/sched/deadline.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 1fa005f79307..a9cb52ceb761 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1407,8 +1407,6 @@ static void __enqueue_dl_entity(struct sched_dl_entity *dl_se) struct sched_dl_entity *entry; int leftmost = 1; - BUG_ON(!RB_EMPTY_NODE(&dl_se->rb_node)); - while (*link) { parent = *link; entry = rb_entry(parent, struct sched_dl_entity, rb_node); @@ -1430,9 +1428,6 @@ static void __dequeue_dl_entity(struct sched_dl_entity *dl_se) { struct dl_rq *dl_rq = dl_rq_of_se(dl_se); - if (RB_EMPTY_NODE(&dl_se->rb_node)) - return; - rb_erase_cached(&dl_se->rb_node, &dl_rq->root); RB_CLEAR_NODE(&dl_se->rb_node); @@ -1466,6 +1461,9 @@ enqueue_dl_entity(struct sched_dl_entity *dl_se, static void dequeue_dl_entity(struct sched_dl_entity *dl_se) { + if (!on_dl_rq(dl_se)) + return; + __dequeue_dl_entity(dl_se); } -- 2.17.1
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