Messages in this thread | | | Date | Mon, 16 Jan 2012 23:26:24 +0600 | Subject | Re: [Question] sched: Should nr_uninterruptible be decremented in ttwu_do_activate()? | From | Rakib Mullick <> |
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On Mon, Jan 16, 2012 at 7:00 PM, Hillf Danton <dhillf@gmail.com> wrote: > On Mon, Jan 16, 2012 at 4:27 PM, Rakib Mullick <rakib.mullick@gmail.com> wrote: >> On Mon, Jan 16, 2012 at 1:53 PM, Michael Wang >> <wangyun@linux.vnet.ibm.com> wrote: >>> I think the task in rq->wake_list should already have state:TASK_WAKING, >>> because it's a wake list. >>> >> But, what I got by means of TASK_WAKING is this task is about to RUN, >> very soon it'll have TASK_RUNNING state. And, if I hadn't miss any >> portion of code, then rq->wake_list doesn't have TASK_WAKING state. >> > Hi Rakib > > The question maybe settled down by adding a BUG_ON or similar to > capture what you concern, and wait results while drinking tea or > coffee. > Hi Hillf,
Thanks for your suggestions, will apply this technique when some new confusion arises. Now, it's quite clear :)
Thanks, Rakib
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