linux-kernel - Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review

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Message-Id: <200705272109.50378.rjw@sisk.pl>
Date:	Sun, 27 May 2007 21:09:48 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Pavel Machek <pavel@....cz>,
	Romano Giannetti <romanol@...omillas.es>,
	Chris Wright <chrisw@...s-sol.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	stable@...nel.org, Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	Theodore Ts'o <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk
Subject: Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review

On Sunday, 27 May 2007 20:44, Matthew Garrett wrote:
> On Sun, May 27, 2007 at 08:32:14PM +0200, Rafael J. Wysocki wrote:
> 
> > In particular, please see this message:
> > 
> > https://lists.linux-foundation.org/pipermail/linux-pm/2007-May/012301.html
> 
> Yes, there's also the notifier chain for the hardware. However, very few 
> drivers seem to use that - adb seems to be the only one still in the 
> tree. For everything else, the device tree is used in exactly the same 
> way as on x86. If it's safe on Macs but not on x86, then (as far as I 
> can tell) it looks like it's only by luck.
> 
> Anyway. I've tested the following patch on a dual-core x86. No obvious 
> issues yet, but I'll try to put it through a few hundred cycles.

OK

I'm working on a patch that introduces hibernation/suspend notifiers.  It will
conflict with this one a bit, but OTOH it might be useful here too.

I'll post it in a while in a separate thread.

Greetings,
Rafael
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