linux-kernel - Re: [RFC PATCH] ARM: smp: Fix the CPU hotplug race with scheduler.

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Date:	Wed, 22 Jun 2011 00:10:35 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	Santosh Shilimkar <santosh.shilimkar@...com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC PATCH] ARM: smp: Fix the CPU hotplug race with scheduler.

On Tue, Jun 21, 2011 at 01:16:47PM -0700, Stephen Boyd wrote:
> On 06/21/2011 03:26 AM, Russell King - ARM Linux wrote:
> > On Tue, Jun 21, 2011 at 03:51:00PM +0530, Santosh Shilimkar wrote:
> >> On 6/21/2011 3:49 PM, Russell King - ARM Linux wrote:
> >>> I won't be committing the init/calibrate.c change to a git tree - it
> >>> isn't ARM stuff so it goes in patch form.
> >> Patches with change log would be fine as well.
> > The answer is not at the moment, but maybe soon.
> 
> Should we send those two patches to the stable trees as well? They seem
> to fix issues with cpu onlining that have existed for a long time.

Looks to me like the problem was introduced for 2.6.39-rc1, so we
should probably get the fix into the 2.6.39-stable tree too.
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