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

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Message-ID: <1265039020.3785.7.camel@maxim-laptop>
Date:	Mon, 01 Feb 2010 17:43:40 +0200
From:	Maxim Levitsky <maximlevitsky@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Sebastian Ott <sebott@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	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 Mon, 2010-02-01 at 16:30 +0100, Rafael J. Wysocki wrote: 
> 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.

And it works too.
I will today continue the torture testing of hibernate mode, but so far
no hands.

Best regards,
Maxim Levitsky

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