19.4.
警告
# cat /sys/module/kvm_amd/parameters/nested# modprobe -r kvm_amd# modprobe kvm_amd nested=1options kvm_amd nested=1
# virsh edit AMD-L1<cpu mode='host-passthrough'/><cpu mode="custom" match="exact" check="none"> <model fallback="allow">EPYC-IBPB</model> <feature policy="require" name="svm"/> ... </cpu>