On Mon, Jan 24, 2011 at 3:32 PM, Sergio Belkin <sebelk at gmail.com> wrote: > Hi, > > I've read on http://fedoraproject.org/wiki/Packaging:RPMMacros#Build_flags_macros_and_variables > that mtune=atom. Just because I'm curious, why? :) Why not? It is the only 32bit only CPU still being sold, and it does not seem to hurt others anyway (and most of them should use x86_64 anyway),