Ceph

Milosz Tanski <milosz@adfin.com>:

Instead of doing cpuid manually you can use builtins provided in gcc
 (and in clang). There's a cpuid.h header you can include. This
stackoverflow answer has a good summary of it: http://stackoverflow.com/questions/14266772/how-do-i-call-cpuid-in-linux?answertab=votes#tab-top