From: Philippe Elie <phil.el@wanadoo.fr>

From: Will Cohen <wcohen@redhat.com>

Add oprofile support for Pentium Mobile (P6 core).  Pentium Mobile needs to
unmask LVPTC vector, since it doesn't hurt other P6 core based cpus we do
it unconditionally for all these.

This patch require userspace tools >= 0.8 (only in sourceforge cvs currently)