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 _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
