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From: Geoff Thorpe <geoff@geoffthorpe.net>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched: track "isolated" cpus like other cpu masks.
Date: Thu, 26 May 2011 12:38:53 -0400	[thread overview]
Message-ID: <4DDE821D.2010405@geoffthorpe.net> (raw)
In-Reply-To: <1306181649.2497.1.camel@laptop>

On 11-05-23 04:14 PM, Peter Zijlstra wrote:
> On Fri, 2011-05-20 at 16:29 -0400, Geoff Thorpe wrote:
>> When a subset of cpus have been isolated, it can be useful for subsystems
>> or drivers that have cpu-affinity concerns to have access to this mask
>> (just like the other cpu masks; "possible", "present", "active" and
>> "online"). Eg. to provide specific handling for isolated cpus, or to
>> determine the non-isolated cpus (which is what sched.c uses it for).
>
> Nobody should be using that, isolated CPUs is a 'feature' slated for
> removal.
>

Ah OK, I wasn't aware of that. Consider the patch dropped then.

Thanks,
Geoff


      reply	other threads:[~2011-05-26 16:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-20 20:29 [PATCH] sched: track "isolated" cpus like other cpu masks Geoff Thorpe
2011-05-21  3:06 ` yaff2 support ym cheng
2011-05-23 20:14 ` [PATCH] sched: track "isolated" cpus like other cpu masks Peter Zijlstra
2011-05-26 16:38   ` Geoff Thorpe [this message]

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