On Friday, 13 April 2007 23:59, Johannes Berg wrote: > On Fri, 2007-04-13 at 23:52 +0200, Pavel Machek wrote: > > > Look again, this sequence is before taking system snapshot, and then > > we have to recover and save the snapshot, too. > > I know. But that doesn't make us care. > > As I explained previously, the decrementer exception is pending until it > is taken. It doesn't matter one bit whether it is pending during the > snapshot, but it does matter if we need the CPU to go to sleep later > because it won't when the exception is pending. Technically, they may be not needed by (u)swsusp, but since (u)swsusp already uses pm_ops in the platform mode, it formally should use these new hooks in the platform mode too. Otherwise it won't make sense to use pm_ops in (u)swsusp at all, IMHO. Greetings, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm