Comment 4 for bug 1887490

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Christian Ehrhardt  (paelzer) wrote : Re: Add/Backport EPYC-v3 and EPYC-Rome CPU model

# Libvirt

Depending on the case sometimes libvirt also needs changes - Focal already has /usr/share/libvirt/cpu_map/x86_EPYC.xml which contains the base version and v3 will plug in there. But for "Epic-Rome" there isn't anything upstream in libvirt.

I think this will therefore be non-selectable through libvirt - it will still help qemu if called directly, but if you want this we might consider poking libvirt upstream together later on (after testing if it really is missing to us int he backports).