[mormegil]

This was my exact plan for my (current) computer a few years ago. But after learning about all the real-world complications I became lazy and abandoned the idea. Is this in a realm of "easily achievable out-of-the-box on a standard Linux installation" now?

[dharmab]

Assuming you have recent hardware and a compatible UEFI firmware, yes. https://wiki.archlinux.org/index.php/PCI_passthrough_via_OVM...