linux-kernel - Re: [PATCH UPDATED 2/4] sched: adjust when cpu_active and cpuset configurations are updated during cpu on/offlining

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Message-ID: <4C08AEA5.1050406@kernel.org>
Date:	Fri, 04 Jun 2010 09:43:33 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	mingo@...e.hu, linux-kernel@...r.kernel.org, rusty@...tcorp.com.au,
	paulus@...ba.org, acme@...hat.com, Paul Menage <menage@...gle.com>
Subject: Re: [PATCH UPDATED 2/4] sched: adjust when cpu_active and cpuset
 configurations are updated during cpu on/offlining

On 06/02/2010 06:03 PM, Tejun Heo wrote:
> Okay, how about this one?  Using notifiers seems better for the
> following reasons.
> 
> * Rollback on failure.
> 
> * cpuset/sched_domain don't expect to be called before smp
>   configuration is complete.  If hardcoded into cpu_up/down(),
>   condition checks need to be added so that they're skipped if the
>   system is bringing up the cpus for the first time.
> 
> Works fine here w/ CPUSET enabled and disabled.

Ping. Peter.

-- 
tejun
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