<cpu mode='custom' match='exact'>
  <model fallback='allow'>Penryn</model>
  <topology sockets='2' cores='4' threads='1'/>
  <feature policy='require' name='dca'/>
  <feature policy='require' name='xtpr'/>
  <feature policy='disable' name='sse4.2'/>
  <feature policy='disable' name='3dnow'/>
  <feature policy='require' name='ssse3'/>
  <feature policy='disable' name='vmx'/>
  <feature policy='disable' name='ds_cpl'/>
  <feature policy='disable' name='sse'/>
  <feature policy='force' name='monitor'/>
  <feature policy='force' name='pbe'/>
  <feature policy='force' name='3dnowext'/>
  <feature policy='force' name='svm'/>
  <feature policy='forbid' name='popcnt'/>
</cpu>
