On Sun 2009-02-08 15:00:38, Arve Hj?nnev?g wrote: > On Sun, Feb 8, 2009 at 1:40 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > On Sun, 8 Feb 2009, Pavel Machek wrote: > > > >> Well, it is true that wakelocks could be single atomic_t ... but they > >> would make them undebuggable. Ok, wakelock interface sucks. But I > >> believe something like that is neccessary. > > > > krefs don't have name strings for keeping track of who has been > > incrementing or decrementing their counters. And it's true that krefs > > are nearly undebuggable. But somehow we've managed to struggle along > > without adding names to krefs. Why should wakelocks be any different? > > It sounds like you suggesting that we add another nearly undebuggable interface. > > Using only a single atomic_t would not allow us to use a wakelock a > switch, or to specify a timeout. You could replace the list in the > implementation with a single atomic_t by adding more state to each > wakelock, but I like my current solution better. For the record, I agree here. And... if struct wakelock contains char * or not is a very small detail. If wakelocks can be locked from userspace is _not_ a detail; and if they can we do need the names. 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
