linux-kernel - Re: [linux-pm] [PATCH] Remove process freezer from suspend to RAM pathway

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Date:	Tue, 3 Jul 2007 15:07:52 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	linux-pm@...ts.linux-foundation.org
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [linux-pm] [PATCH] Remove process freezer from suspend to RAM pathway

On Tuesday, 3 July 2007 07:49, Benjamin Herrenschmidt wrote:
> On Tue, 2007-07-03 at 05:29 +0100, Matthew Garrett wrote:
> > Suspend to RAM on a machine with / on a fuse filesystem turns out to be 
> > a screaming nightmare - either the suspend fails because syslog (for 
> > instance) can't be frozen, or the machine deadlocks for some other 
> > reason I haven't tracked down. We could "fix" fuse, or alternatively we 
> > could do what we do for suspend to RAM on other platforms (PPC and APM) 
> > and just not use the freezer.
> > 
> > Signed-off-by: Matthew Garrett <mjg59@...f.ucam.org>
> 
> Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> 
> (And with much pleasure :-)

Clashes with some code already in -mm.

Greetings,
Rafael


-- 
"Premature optimization is the root of all evil." - Donald Knuth
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