linux-kernel - Re: [PATCH] Remove process freezer from suspend to RAM pathway

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Date:	Tue, 3 Jul 2007 10:20:13 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Romano Giannetti <romanol@...omillas.es>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org
Subject: Re: [PATCH] Remove process freezer from suspend to RAM pathway

Am Dienstag, 3. Juli 2007 schrieb Romano Giannetti:
> On Tue, 2007-07-03 at 05:29 +0100, Matthew Garrett wrote:
> > or alternatively we  could do what we do for suspend to RAM on other
> > platforms (PPC and APM) and just not use the freezer.
> 
> As a data point, I am running with this patch on top of 2.6.21.2 the
> last 3+ weeks, with an average of 5/6 STR cycles a day, and had no
> problems at all. (Sony vaio pcg-fx701). Just normal work, I didn't try
> to stress the thing, but I have quite a few times suspended/resumed over
> a big compile without a glitch.
> 
> What are the risks of this patch supposed to be?

You did this test only while stressing normal block devices. Try
provoking races in character devices.

	Regards
		Oliver

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