On Tuesday 05 January 2010, Bartłomiej Zimoń wrote: > Dnia 5 stycznia 2010 10:07 Anders Eriksson <aeriksson@xxxxxxxxxxx> napisał(a): > > > > rjw@xxxxxxx said: > > >> > I don't see a problem with this in principle, although I don't think signals > > >> > are very suitable for this particular purpose, because you need two-way > > >> > communication between the power manager and the processes it's going to > > >> > notify (because it has to wait for the processes to finish their preparations > > >> > and to tell it that they are ready). > > > > Wouldn't there need to be dependecy tracking for the userspace processes? A > > process couldn't signal "done" until it know there's no more work to do, which > > requires all other processes to finish up first. > > > > Not all processes will need pm notification. > > Just in case, could this "power manager" be provided as userspace > driver for kernel (for example compiled as UIO)? I don't really understand why you want to do that in the kernel. Is there any particular reason why this cannot be done in the user space? Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
