Hi!
> 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.
I believe it adds _way_ too many notifiers.
> +PM_PRE_FREEZE The system is going to hibernate or suspend, tasks will
> + be frozen immediately
80 columns. Anyway yes, this one is needed.
> +PM_POST_THAW Tasks have just been thawed after a resume or restore
> + from a hibernation image
Symetrical with the previous one, useful for freeing firmware images, ok.
> +PM_HIBERNATION_PREPARE The system is preparing for hibernation. Tasks have
> + been frozen, memory is going to be freed and devices
> + are going to be suspended.
What is this one good for?
> +PM_SNAPSHOT_FAILED The creation of hibernation image has failed. Tasks
> + will be thawed immediately.
Does this one need to be different from POST_THAW?
I do not see the need for the other chains. Notice that we do not
_want_ to have too many of them, because changing anything in the
hibernation will become impossible with 10 chains having intimate
details of suspend sequence.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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