linux-kernel - Re: [RFC][PATCH -mm 1/2] PM: Introduce hibernation and suspend notifiers

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Message-Id: <200706040038.54161.rjw@sisk.pl>
Date:	Mon, 4 Jun 2007 00:38:53 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	pm list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Nigel Cunningham <nigel@...el.suspend2.net>,
	Alan Stern <stern@...land.harvard.edu>,
	Oliver Neukum <oliver@...kum.org>
Subject: Re: [RFC][PATCH -mm 1/2] PM: Introduce hibernation and suspend notifiers

On Sunday, 3 June 2007 18:41, Pavel Machek wrote:
> Hi!
> 
> > From: Rafael J. Wysocki <rjw@...k.pl>
> > 
> > Make it possible to register hibernation and suspend notifiers, so that
> > subsystems can perform hibernation-related or suspend-related operations that
> > should not be carried out by device drivers' .suspend() and .resume() routines.
> 
> One more question: what will we call in suspend-to-both case? I do not
> think we can call SUSPEND_PREPARE with frozen tasks, so just one call
> to HIBERNATION_PREPARE?

Yes, right now it should work this way.

> > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> Ack.

Thanks!

Rafael


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