Patch for libvirt's cpu_map.xml to detect the correct processor when used with nested SVM

cpu_map.xml.diff

--- cpu_map.xml.orig	2014-07-02 18:50:45.284772580 +0200
+++ cpu_map.xml.new	2014-07-02 18:33:47.000000000 +0200
@@ -453,6 +453,8 @@
     </model>
 
     <!-- Intel CPU models -->
+
+<!--
     <model name='Conroe'>
       <model name='pentiumpro'/>
       <vendor name='Intel'/>
@@ -510,6 +512,7 @@
       <feature name='invpcid'/>
       <feature name='rtm'/>
     </model>
+-->
 
     <!-- AMD CPUs -->
     <model name='athlon'>
@@ -540,11 +543,8 @@
     </model>
 
     <model name='Opteron_G2'>
-      <model name='Opteron_G1'/>
-      <feature name='cx16'/>
-      <feature name='rdtscp'/>
-      <feature name='lahf_lm'/>
-      <feature name='svm'/>
+      <vendor name='Intel'/>
+      <model name='cpu64-rhel6'/>
     </model>
 
     <model name='Opteron_G3'>