On Tue, Mar 22, 2011 at 10:24:43PM -0400, Len Brown wrote: > From: Len Brown <len.brown@xxxxxxxxx> > > upstream 14796fca2bd22acc73dd0887248d003b0f441d08 > > Hardware C-state auto-demotion is a mechanism where the HW overrides > the OS C-state request, instead demoting to a shallower state, > which is less expensive, but saves less power. > > Modern Linux should generally get exactly the states it requests. > In particular, when a CPU is taken off-line, it must not be demoted, else > it can prevent the entire package from reaching deep C-states. > > https://bugzilla.kernel.org/show_bug.cgi?id=25252 > > Signed-off-by: Len Brown <len.brown@xxxxxxxxx> This patch doesn't apply to the .38-stable tree, and it also needs to go there, right? Can you please send a version that I can apply? thanks, greg k-h _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
