<cpu mode='custom' match='exact'> <model fallback='forbid'>Opteron_G4</model> <vendor>AMD</vendor> <feature policy='require' name='vme'/> <feature policy='require' name='x2apic'/> <feature policy='require' name='tsc-deadline'/> <feature policy='require' name='hypervisor'/> <feature policy='require' name='arat'/> <feature policy='require' name='tsc_adjust'/> <feature policy='require' name='mmxext'/> <feature policy='require' name='fxsr_opt'/> <feature policy='require' name='cmp_legacy'/> <feature policy='require' name='cr8legacy'/> <feature policy='require' name='osvw'/> <feature policy='disable' name='rdtscp'/> <feature policy='disable' name='svm'/> </cpu>