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

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Message-ID: <20070530154345.GB4772@ucw.cz>
Date:	Wed, 30 May 2007 15:43:45 +0000
From:	Pavel Machek <pavel@....cz>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Nigel Cunningham <nigel@...el.suspend2.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review

Hi!

> (Trimmed the Cc:s quite heavily - I think this has gone somewhere beyond 
> the original point)
> 
> > Notice that we want to be able to suspend while hibernating -- for
> > suspend to both behaviour. So drivers may _not_ rely on system being
> > runnable.
> 
> So keep the driver layers read-only and unfreeze the processes after 
> doing the atomic copy.

To read firmware you probably need to _write_ atimes.

Anyway, make-disks-read-only patch would be welcome. I just think it
is going to be more complex than freezer.

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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