Centos7 KVM启用嵌套虚拟化

[root@kvm-hypervisor ~]# cat /etc/modprobe.d/kvm-nested.conf
options kvm-intel nested=1
options kvm-intel enable_shadow_vmcs=1
options kvm-intel enable_apicv=1
options kvm-intel ept=1

[root@kvm-hypervisor ~]# modprobe -r kvm_intel
[root@kvm-hypervisor ~]# modprobe -a kvm_intel