linux-kernel - Re: Q: select_fallback_rq() && cpuset

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Message-ID: <1268532699.9440.3.camel@laptop>
Date:	Sun, 14 Mar 2010 03:11:39 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Lai Jiangshan <laijs@...fujitsu.com>,
	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: Q: select_fallback_rq() && cpuset_lock()

On Sat, 2010-03-13 at 20:28 +0100, Oleg Nesterov wrote:
> 
> Peter, I seem to see the simple fix for the discussed cpuset problems,
> but it turns out sched.c has more problems evem without cpusets.
> 
> I'll try to send the whole series on Monday, but perhaps you can look
> at the attached compile-tested patches (especially 2 and 3) to quickly
> correct me if the 3rd one is wrong.
> 
> The subsequent fix in cpuset.c depends on the locking rules enforced
> by 2-3. 

In as far as I can trust my jet-lagged brain, they look good. I'll try
and have another look later.

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