nested virtualization Qemu

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https://bbs.archlinux.org – Hello everybody,I' m trying to use nested virtualization  with qemu.Apparently the option "-cpu host" is deprecated so I used the option "-cpu qemu64,+vm" which work.The problem is that I can't add the option "-enable-kvm"... If I do, it results in kernel parnic on the virtualized operating system.If I try to install a new virtual machine with both options, "-cpu qemu64,+vm  -enable-kvm", then, vmx is not detected in the  virtualized operating system...I verified that nested virtualization was enabled with the command "systo (HowTos)