On Fri, May 31, 2019 at 05:41:18PM +0200, Jiri Kosina wrote: > On Fri, 31 May 2019, Josh Poimboeuf wrote: > > > The only question I'd have is if we have data on the power savings > > difference between hlt and mwait. mwait seems to wake up on a lot of > > different conditions which might negate its deeper sleep state. > > hlt wakes up on basically the same set of events, but has the > auto-restarting semantics on some of them (especially SMM). So the wakeup > frequency itself shouldn't really contribute to power consumption > difference; it's the C-state that mwait allows CPU to enter.
Ok. I reluctantly surrender :-) For your v4: Reviewed-by: Josh Poimboeuf <jpoim...@redhat.com> It works as a short term fix, but it's fragile, and it does feel like we're just adding more duct tape, as Andy said. -- Josh
