Thanks Markus.
Also testing groovy here ...
Before:
++-=====================-================-============-=========================================
ii libvirt-daemon-system 6.6.0-1ubuntu3.4 amd64 Libvirt daemon
configuration files
ii qemu-system-x86 1:5.0-5ubuntu9.7 amd64 QEMU full system
emulation binaries (x86)
$ qemu-system-x86_64 -cpu ? | grep EPYC-Rome
x86 EPYC-Rome (alias configured by machine type)
x86 EPYC-Rome-v1 AMD EPYC-Rome Processor
After
+++-=====================-================-============-=========================================
ii libvirt-daemon-system 6.6.0-1ubuntu3.5 amd64 Libvirt daemon
configuration files
ii qemu-system-x86 1:5.0-5ubuntu9.8 amd64 QEMU full system
emulation binaries (x86)
$ qemu-system-x86_64 -cpu ? | grep EPYC-Rome
x86 EPYC-Rome (alias configured by machine type)
x86 EPYC-Rome-v1 AMD EPYC-Rome Processor
x86 EPYC-Rome-v2 AMD EPYC-Rome Processor
Guest with Rome can now control IBRS, both following cpu definitions
worked.
<cpu mode='custom' match='exact' check='partial'>
<model fallback='forbid'>EPYC-Rome</model>
<vendor>AMD</vendor>
<feature policy='require' name='ibrs'/>
</cpu>
<cpu mode='custom' match='exact' check='partial'>
<model fallback='forbid'>EPYC-Rome</model>
<vendor>AMD</vendor>
<feature policy='disable' name='ibrs'/>
</cpu>
Regression tests are still running (on proposed this time), I'll mark it
overall verified once those completed as well.
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https://bugs.launchpad.net/bugs/1921754
Title:
Add missing cpu feature bits in EPYC-Rome model
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