On Fri, Apr 26, 2013 at 2:29 PM, Aaron Durbin <adurbin at chromium.org> wrote: > Question for the masses: does anyone actually use UDELAY_IO? If not, > can we get rid of it? I'll prepare the patch. With APICs, HPETs, TSCs, > etc I really don't see the need for such a thing. Same question for UDELAY_TIMER2.