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Message-ID: <CAHGf_=oQb=p9m3v6wJpLpF0SqoPnNaJTSWbiMRbrMxZ5WX_6zg@mail.gmail.com>
Date: Thu, 26 Jan 2012 16:24:27 -0500
From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To: Mike Galbraith <efault@....de>
Cc: peterz@...radead.org, oleg@...hat.com, y-goto@...fujitsu.com,
mingo@...e.hu, kamezawa.hiroyu@...fujitsu.com,
linux-kernel@...r.kernel.org
Subject: Re: [BUG] TASK_DEAD task is able to be woken up in special condition
>> >> task->state = TASK_UNINTERRUPTIBLE;
>> >> schedule()
>
> I think you meant:
> __set_current_state(TASK_UNINTERRUPTIBLE);
> schedule();
>
> The way you wrote it, task doesn't have to be current, so could be doing
> the bad thing Peter pointed out, diddling *another* tasks ->state.
Silly me. Thank you for following up me.
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