> I think it's a fairly significant change from the current freezer and I > also think it's a very good idea. The more I think about it, the more I > like it, in the sense that it's a simple drop-in that you could put in a > lot of the ioctl path of drivers to just block tasks that are trying to > call in while suspending, and could be used selectively by things like > the USB hub threads. Note that we could have also a per-device "icebox" (just a waitqueue). Might be nice for a device to resume whatever it froze just after it resumed itself, might even be necessary in case whatever thread got frozen is necessary for handling child devices. Cheers, Ben. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm