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

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Message-Id: <200705301608.28160.rjw@sisk.pl>
Date:	Wed, 30 May 2007 16:08:27 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Nigel Cunningham <nigel@...el.suspend2.net>,
	Pavel Machek <pavel@....cz>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review

On Wednesday, 30 May 2007 15:29, Matthew Garrett wrote:
> On Wed, May 30, 2007 at 11:17:47PM +1000, Nigel Cunningham wrote:
> 
> > That aside, keeping the driver layers read-only sounds more complicated
> > than just freezing processes.
> 
> It's a problem that effectively has to be solved for STR anyway if 
> we're going to suspend without freezing. The midlayers need to be able 
> to block requests when the low-level devices are suspended,

Very true.  And I think the right order should be to make the midlayers do
this and then remove the freezer from the STR code path, not the other way
around. :-)

> so we can just re-use that code.

Yes, that should be possible.

Greetings,
Rafael
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