Re: [PATCH v6 5/7] sched/fair: fix idle balance when remaining tasks are all non-CFS tasks

From: Wanpeng Li
Date: Wed Jan 21 2015 - 23:25:12 EST


On Tue, Jan 20, 2015 at 07:18:37AM +0800, Wanpeng Li wrote:
>>> if (!rq->rd->overload)
>>> rq->rd->overload = true;
>>
>>Here 3882ec643997 ("nohz: Use IPI implicit full barrier against
>>rq->nr_running r/w") might be a clue.
>>
>>Also, this is wrong, it breaks NOHZ_FULL.
>
>Got it. If the modification in update_sg_lb_stats of my patch is still
>corrrect, if so I can send out a new version.

Ping,

>
>Regards,
>Wanpeng Li
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