On Thu, Jul 31, 2014 at 09:56:48AM -0700, H. Peter Anvin wrote: > On 07/30/2014 10:25 AM, Andy Lutomirski wrote: > > > > And yet x86_64 has this code implemented in assembly even in the > > slowpath. Go figure. > > > > There is way too much assembly in entry_64.S probably because things > have been grafted on, ahem, "organically". It is darn nigh impossible > to even remotely figure out what goes on in that file. Always warn your family and give them an estimate return hour before opening that file.