Re: [RFC][PATCH -mm 1/3] PM: Hibernation and suspend notifiers

Rafael J. Wysocki
2007-05-31T05:42:20Z

On Thursday, 31 May 2007 00:29, Pavel Machek wrote:
> Hi!
>
> > > I think the rule should be: If you need to do something _before_ tasks are
> > > frozen, do it in PM_PRE_FREEZE, but if you can do that after the tasks have
> > > been frozen, do it on PM_HIBERNATION_PREPARE (or PM_SUSPEND_PREPARE in the
> > > suspend case).
> >
> > OTOH, having considered it for a while, I think that for now I can add just
> > PM_PRE_FREEZE and PM_POST_THAW, as I don't have any user for the other ones.
> > The other events may be added in the future if need be (along with some users).
> >
> > I'll post revised patches in a new thread.
>
> Yes please.
>
> (Hmm, but you may create 4 of them PM_PRE_HIBERNATION, PM_PRE_SUSPEND,
> PM_POST_HIBERNATION, PM_POST_SUSPEND -- I'd call all of them before
> freeze and after thaw, but if we drop freezer for suspend, we won't
> have to rename anything.)

Yes, that's a good idea. :-)

Greetings,
Rafael