<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>