[QEMU] Using VirGL with vhost-user-gpu in a Guest/VM?

Hi,

I have been reading about vhost-user and specifically vhost-user-gpu, which is used alongside VirGL/Venus on QEMU to provide "pieces"/"slices" of a GPU from the host to Guests/VMs.

The problem with this is that using `dpdk`, this is running in user-space instead of kernel space, which is a problem for security.

My idea is:

1. Pass through host GPU to guest VM with VFIO.
2. Install dpdk, vhost utilities and VirGL/Venus on Guest.
3. Use RPC (QEMUGuestAgent) to let other guests...

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