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

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Message-ID: <alpine.LFD.0.98.0705300857450.26602@woody.linux-foundation.org>
Date:	Wed, 30 May 2007 09:00:19 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Nigel Cunningham <nigel@...el.suspend2.net>,
	Pavel Machek <pavel@....cz>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review

On Wed, 30 May 2007, Rafael J. Wysocki wrote:
> 
> 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. :-)

Yes. After all, STR simply shouldn't _care_.

The rule should be that in a well-written setup, STR "just works" whether 
user processes are suspended or not. In other words, the whole freezing 
part isn't about STR. It should be totally immaterial.

(Of course, that assumes that the freezing is _sane_, of course: ie the 
core kernel threads shouldn't all be frozen. I think Rafael's patch to 
turn the defaults around are a big step in the right direction).

			Linus
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