From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH 2/2] Fix console handling
	during	suspend/resume
Date: Sat, 17 Jun 2006 09:05:27 +1000
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> One way to allow for a two-phase suspend would be like this:
> =

> * FREEZE all devices
> * Snapshot
> * UNFREEZE all devices (perhaps skip some devices, although I don't
> 	know how you could determine which ones)
> * Write image to disk
> * Send PRESUSPEND message to all devices (they can treat it like SUSPEND
> 	or like FREEZE, or they can ignore it if they want)
> * SUSPEND all devices
> =

> The two-phase part being the last two steps.

The prepare-for-suspend that Linus and I have discussed should happen
before the freeze loop (and finish at the very end of wakeup). It
enclose the entire suspend/resume processing imho.

Ben