Comment 3 for bug 1887490

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

# Qemu

We have done similar in the past for new CPU Models - and the changes apply cleanly to the qemu 4.2 in Focal.

Preliminary I have opened a PPA with the fix
  https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/4161
And a branch containing the (trivial) backport
  https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+ref/bug-1887490-EPYC-v3

That PPA can already be used for preliminary testing - feedback is welcome.

But there are a few extras to consider here which I'll post in following comments: