linux-kernel - Re: [RFC][PATCH] PM: disable nonboot cpus before suspending devices

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Message-Id: <201002011630.04281.rjw@sisk.pl>
Date:	Mon, 1 Feb 2010 16:30:04 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Sebastian Ott <sebott@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Subject: Re: [RFC][PATCH] PM: disable nonboot cpus before suspending devices

On Monday 01 February 2010, Sebastian Ott wrote:
> Hi Rafael,
> 
> since you didn't like the idea of calling the driver callbacks with just
> one cpu enabled, we gave your patch: "MM / PM: Force GFP_NOIO during
> suspend/hibernation and resume" a try and i can confirm that this
> fixes the issue on s390.

Great, thanks for testing!

> Will this go in 2.6.33/stable?

That depends on Andrew, actually.

Andrew, what do you think of the patch at:
http://patchwork.kernel.org/patch/74740/mbox/ ?

It helps people and I don't see any major drawbacks of it.

Rafael
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