You need the VDSM hook (on the hypervisor) that sets up vmx feature
Yes, I did that.
use host passthrough mode for CPU
where is this setting, this is on the VM in Virt-Manager?
On 2017-05-30 09:54, Martin Polednik wrote:
On 30/05/17 09:42 -0400, [email protected] wrote:
Host: CentOS-7_v1611 (or Fedora 25 -my personal fav)
VMs: oVirt nodes v4.1.2
To setup nested KVM, I follow these
instructions(https://pve.proxmox.com/wiki/Nested_Virtualization)
to check if is enabled do ("kvm_intel" for intel cpu, "kvm_amd" for
AMD)
-root@proxmox:~# cat /sys/module/kvm_intel/parameters/nested
N
(N means it's not, to enable ("kvm-intel" for intel, "kvm-amd" for
AMD):)
# echo "options kvm-intel nested=Y" > /etc/modprobe.d/kvm-intel.conf
and reboot or reload the kernel modul
modprobe -r kvm_intel
modprobe kvm_intel
check again
-root@proxmox:~# cat /sys/module/kvm_intel/parameters/nested
Y
Question: what other settings need to be enabled in the guest vm?
You need the VDSM hook (on the hypervisor) that sets up vmx feature
flag and use host passthrough mode for CPU.
https://github.com/oVirt/vdsm/tree/master/vdsm_hooks/nestedvt
See "test nested virt" at
https://fedoraproject.org/wiki/How_to_enable_nested_virtualization_in_KVM
Do we need this setting in the vm?
You don't need to setup anything in the VM.
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