linux-kernel - Re: [RFC][PATCH 0/4] Rework disabling of interrupts during suspend-resume

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Message-Id: <200903061119.33023.rjw@sisk.pl>
Date:	Fri, 6 Mar 2009 11:19:29 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Len Brown <lenb@...nel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arve Hjønnevåg <arve@...roid.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: [RFC][PATCH 0/4] Rework disabling of interrupts during suspend-resume

On Friday 06 March 2009, Linus Torvalds wrote:
> 
> On Sun, 1 Mar 2009, Rafael J. Wysocki wrote:
> > 
> > The following patches modifiy the way in which we handle disabling interrupts
> > during suspend and enabling them during resume.  They also change the ordering
> > of the core suspend and hibernation code.
> 
> Side note - I've tested them on the EeePC that had trouble resuming due to 
> interrupt timings, and it suspends and resumes fine with these patches 
> (modulo some new X problems, but that's what I get for living with 
> Fedora-11 testing).
> 
> Of course, it also suspends and resumes without them, since the CPU "cli" 
> was sufficient for that machine, and it doesn't have any ACPI issues. But 
> it's still an ack that at least nothing breaks that I can tell.

OK, thanks for testing!  The next-step patches (ie. PCI suspend-resume rework)
are in the works.

Rafael
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