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Date: Fri, 3 Jul 2015 09:09:12 -0700 From: Cong Wang <xiyou.wangcong@...il.com> To: LKML <linux-kernel@...r.kernel.org> Cc: Cong Wang <xiyou.wangcong@...il.com>, Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>, Cong Wang <cwang@...pensource.com> Subject: Re: [PATCH] sched_fair: test list head instead of list entry in throttle_cfs_rq() On Wed, Jun 24, 2015 at 12:41 PM, Cong Wang <xiyou.wangcong@...il.com> wrote: > According to the comments, we need to test if this is > the first throttled task, however, list_empty() tests on > the entry cfs_rq->throttled_list, not the head, this is wrong. > > This is a bug because we don't re-init the list entry after > removing it from the list, so list_empty() could return false > even if the list is really empty. > > Cc: Ingo Molnar <mingo@...hat.com> > Cc: Peter Zijlstra <peterz@...radead.org> > Signed-off-by: Cong Wang <xiyou.wangcong@...il.com> > Signed-off-by: Cong Wang <cwang@...pensource.com> ping. What's the status of this patch? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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