Messages in this thread Patch in this message | | | From | Kirill Tkhai <> | Subject | Re: [PATCH]sched/rt.c: leaf_rt_rq_list contains empty queues. Fix it | Date | Fri, 21 Sep 2012 18:21:51 +0400 |
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Second version. Add every not empty queue once. The patch:
Function __enqueue_rt_entity() adds an empty queue to leaf_rt_rq_list.
So, pick_next_highest_task_rt() picks empty queues. Fix it.
Signed-off-by: Kirill Tkhai <tkhai@yandex.ru> --- kernel/sched/rt.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 944cb68..97a0954 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1103,7 +1103,7 @@ static void __enqueue_rt_entity(struct sched_rt_entity *rt_se, bool head) if (group_rq && (rt_rq_throttled(group_rq) || !group_rq->rt_nr_running)) return; - if (!rt_rq->rt_nr_running) + if (rt_rq->rt_nr_running == 1) list_add_leaf_rt_rq(rt_rq); if (head)
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