On Fri, 25 Jun 2010, Rafael J. Wysocki wrote: > > > You seem to be referring to the PM workqueue specifically. Perhaps it would be > > > better to special-case it and stop it by adding a barrier work during suspend > > > instead of just freezing? Then, it wouldn't need to be singlethread any more. > > > > The barrier work would have to be queued to each CPU's thread. That > > would be okay. > > I guess we should stop the PM workqueue after the freezing of tasks, shouldn't we? Yes. The exact spot probably doesn't matter; that's as good as any. > > Hmm, it looks like wait_event_freezable() and > > wait_event_freezable_timeout() could use similar changes: If the > > condition is true then they shouldn't try to freeze the caller. > > Yes, but that should be a separate patch IMHO. Agreed. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
