<cpu mode='custom' match='exact'>
  <model fallback='allow'>Haswell</model>
  <feature policy='force' name='pcid'/>
  <feature policy='force' name='rtm'/>
  <feature policy='force' name='invpcid'/>
  <feature policy='force' name='erms'/>
  <feature policy='force' name='bmi2'/>
  <feature policy='optional' name='smep'/>
  <feature policy='optional' name='avx2'/>
  <feature policy='optional' name='hle'/>
  <feature policy='force' name='bmi1'/>
  <feature policy='force' name='fsgsbase'/>
  <feature policy='disable' name='movbe'/>
  <feature policy='disable' name='fma'/>
</cpu>
