Re: [Question] sched: Should nr_uninterruptible be decremented in ttwu_do_activate()?

[Hillf Danton]

On Mon, Jan 16, 2012 at 4:27 PM, Rakib Mullick <rakib.mullick@xxxxxxxxx> wrote:
> On Mon, Jan 16, 2012 at 1:53 PM, Michael Wang
> <wangyun@xxxxxxxxxxxxxxxxxx> 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.

Best regards
Hillf
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