Hi. On Mon, 2007-01-29 at 12:34 +0100, Oliver Neukum wrote: > Am Montag, 29. Januar 2007 12:24 schrieb Nigel Cunningham: > > Hi. > > > > On Mon, 2007-01-29 at 12:06 +0100, Oliver Neukum wrote: > > > Hi, > > > > > > may a driver call wake_up() while doing resume() ? > > > > I assume you mean waking a userspace process from drivers_resume(). If > > so, the answer is no - processes will still be frozen at the point. In > > the case of Suspend2, the LRU pages will still not have been read > > either, so Suspend2 users would hate you for making hibernation crash > > and burn :) > > If so, how do I notify tasks presumably about to be thawed that their > IO failed?
Do you mean I/O to disk? If so, it won't fail. All pending I/O gets processed like normal either before or after suspending and resuming. If you mean something like a packet being transmitted over the network, you should be using the normal paths for recording success/failure. HTH. Nigel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/