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Document URL: 
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/configuring_and_managing_virtualization/assembly_feature-support-and-limitations-in-rhel-9-virtualization_configuring-and-managing-virtualization#recommended-features-in-rhel-9-virtualization_feature-support-and-limitations-in-rhel-9-virtualization

Section Number and Name: 
22.2. Recommended features in RHEL 9 virtualization

Describe the issue: 
In BZ2225347 we added text stating that both Passthrough devices and CPU Model *must* be supported by the Guest OS.

We want to relax the CPU side of this, and just recommend that the CPU Model is certified for the Guest OS. 

The justification is that in theory it should work regardless, we just don't cover testing for CPU models not officially supported by the Guest os.

So perhaps change the "must" to some sort of "recommend/suggest", but only for CPU.

NOTE: please also replicate this to RHEL8 once done.