On Thursday, 3 May 2007 12:34, Paul Mackerras wrote: > Rafael J. Wysocki writes: > > > I think that on a uniprocessor system it's quite safe, but on SMP it doesn't > > seem so. For example, imagine the situation in which one CPU is executing the > > suspend code while another one is running userspace with system calls etc. > > Pretty scary. > > Which is why the powermac/powerbook sleep code insists on there only > being one cpu active. I have an SMP powermac which can sleep; I use a > little script to take the second cpu down before sleeping and bring it > back up after waking up. That's quite intrusive. Ideally, user space processes should not notice that there have been a suspend at one point. Greetings, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
