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Message-Id: <200707040004.16357.oliver@neukum.org>
Date: Wed, 4 Jul 2007 00:04:15 +0200
From: Oliver Neukum <oliver@...kum.org>
To: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Miklos Szeredi <miklos@...redi.hu>, rjw@...k.pl,
mjg59@...f.ucam.org, linux-kernel@...r.kernel.org,
linux-pm@...ts.linux-foundation.org, pavel@....cz,
nigel@...el.suspend2.net
Subject: Re: [PATCH] Remove process freezer from suspend to RAM pathway
Am Dienstag, 3. Juli 2007 schrieb Benjamin Herrenschmidt:
> On Tue, 2007-07-03 at 23:48 +0200, Oliver Neukum wrote:
> > Am Dienstag, 3. Juli 2007 schrieb Benjamin Herrenschmidt:
> > > On Tue, 2007-07-03 at 21:32 +0200, Oliver Neukum wrote:
> > > > > I'm not sure why this can't be made atomic, but assuming, that it
> > > > > can't, fuse should still not need to be implicated. If it is,
> > > > that's
> > > > > an indication about something wrong in the suspend procedure.
> > > >
> > > > Nope, something's wrong in fuse. You must be able to deal with sync
> > > > until every task is frozen.
> > >
> > > Pipe dream
> >
> > Then tell me how you want to avoid that condition.
>
> Don't freeze :-)
Then you will have to deal with all syscalls unfrozen tasks can make.
Regards
Oliver
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