> 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. - 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/