linux-kernel - RE: Regression in 2.6.27-rc1 for set_cpus_allowed

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Message-ID: <6453C3CB8E2B3646B0D020C112613273C5AC5C@sausexmb4.amd.com>
Date:	Mon, 11 Aug 2008 09:01:17 -0500
From:	"Langsdorf, Mark" <mark.langsdorf@....com>
To:	"Ingo Molnar" <mingo@...e.hu>,
	"Dmitry Adamushko" <dmitry.adamushko@...il.com>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	"lkml" <linux-kernel@...r.kernel.org>,
	"Gautham R Shenoy" <ego@...ibm.com>,
	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>
Subject: RE: Regression in 2.6.27-rc1 for set_cpus_allowed_ptr


 > * Dmitry Adamushko <dmitry.adamushko@...il.com> wrote:
> 
> > 2008/8/8 Rafael J. Wysocki <rjw@...k.pl>:
> > > [Adding CCs]
> > 
> > 
> > if it gets called from any of the cpu-hotplug handlers, it 
> won't work
> > now (x86-microcode is another victim).
> > 
> > Please give a try to the following patch: 
> http://lkml.org/lkml/2008/7/30/171
> > 
> > does it help?
> > 
> > (the explanation is also available in this thread).
> 
> i've queued up the fix below in tip/sched/urgent.

Sorry for the delay in response - we had some building power
issues this weekend.

Yes, that fixed the issue.

-Mark Langsdorf
Operating System Research Center
AMD

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