linux-kernel - Re: [PATCH 04/21] sched: Change the ttwu success details

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Date:	Wed, 13 Apr 2011 21:11:09 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Chris Mason <chris.mason@...cle.com>,
	Frank Rowand <frank.rowand@...sony.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Mike Galbraith <efault@....de>,
	Oleg Nesterov <oleg@...hat.com>, Paul Turner <pjt@...gle.com>,
	Jens Axboe <axboe@...nel.dk>,
	Yong Zhang <yong.zhang0@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/21] sched: Change the ttwu success details

On Thu, 2011-04-14 at 03:39 +0900, Tejun Heo wrote:
> One way to deal with it would be adding an extra worker flag to track
> sleep state from workqueue side so that it can filter out spurious
> wakeups; however, I think it would be far better to resolve this from
> scheduler side.  If the callback name is misleading, rename it to
> wq_worker_sched_activated() or something and call it only when the
> task gets activated. 

Right, what I did is move the thing near activate_task() instead of
relying on any passing on of that information.
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