On Sat, 14 Aug 2010 08:10:48 -0700 "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > > So once you are down to one CPU, the last CPU shuts the system off, > itself included? Or does the last CPU "run" in a deep idle state > throughout suspend? (My guess is the former, and I am also curious > whether the cache SRAMs are powered off, etc. But figured I should > ask rather than guessing.) they tend to go "off". however I think you're making an assumption that there is a real difference between a deep idle state and "off".... For modern x86 hardware, that assumption isn't really valid. (other than a very very small sram that stores register content in the idle case) -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm