On Tue 2007-07-03 21:32:20, Oliver Neukum wrote: > Am Dienstag, 3. Juli 2007 schrieb Miklos Szeredi: > > > And a further question. The freezer is not atomic. What do you do > > > if a task not yet frozen calls sys_sync(), but fuse is already frozen? > > > > What do you do if a task not yet frozen writes to a pipe, on the other > > end of which is a task already frozen? There's some difference between uninterruptible and interruptible sleep I'd say. > > It doesn't matter. The only thing that should matter during suspend > > (not hibernate) is saving the state of devices to ram, and putting the > > devices to sleep. > > Well, but you did remove sys_sync() from the freezer, which is > and must be called in the hibernate path. Not "must". In fact, hibernation should be safe without sys_sync(). It is just user un-friendly. 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
