On Tue, Nov 22, 2011 at 07:31:34PM -0800, Keith Packard wrote: > On Tue, 22 Nov 2011 20:15:31 +0000, Matthew Garrett <mjg at redhat.com> wrote: > > > So the user has to choose between 5W of power saving or having dmar? And > > we default to giving them dmar? I think that's going to come as a > > surprise to people. > > You'd have to go into the BIOS to turn this on for most machines at > least? > > But, yeah, it seems like we should be turning DMAR off unless explicitly > requested; I can't understand how you'd ever need this running native on > the hardware. Not exactly an area I care about deeply; I've always > worked hard to make sure all virtualization garbage is disabled on every > machine I use. Problem is that we need to disable dmar on the entire box, afaics. And I assume that a bunch of people abusing desktop boards as servers will call "regression" on that. -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48
