linux-kernel - Re: [PATCH 2/4] sched: implement __set_cpus

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Message-ID: <4C038D18.9010006@kernel.org>
Date:	Mon, 31 May 2010 12:19:04 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	mingo@...e.hu, linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	Mike Galbraith <efault@....de>
Subject: Re: [PATCH 2/4] sched: implement __set_cpus_allowed()

Hello,

On 05/31/2010 12:15 PM, Peter Zijlstra wrote:
> On Mon, 2010-05-31 at 12:06 +0200, Tejun Heo wrote:
>>  I meant CPU_ONLINE not CPU_UP_PREPARE.  So,
>> we can mark a cpu active before other CPU_ONLINE callbacks are run.
> 
> OK, that should work.

The only remaining problemw is PF_THREAD_BOUND.  It needs to be set
for wq workers (including rescuers).  Would it be okay to add an
interface which only ignores PF_THREAD_BOUND?

Thanks.

-- 
tejun
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