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From: Peter Zijlstra <peterz@infradead.org>
To: Geoff Thorpe <geoff@geoffthorpe.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched: track "isolated" cpus like other cpu masks.
Date: Mon, 23 May 2011 22:14:09 +0200	[thread overview]
Message-ID: <1306181649.2497.1.camel@laptop> (raw)
In-Reply-To: <1305923374-13274-1-git-send-email-geoff@geoffthorpe.net>

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.


  parent reply	other threads:[~2011-05-23 20:10 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 ` Peter Zijlstra [this message]
2011-05-26 16:38   ` [PATCH] sched: track "isolated" cpus like other cpu masks Geoff Thorpe

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