Is it possible to set `cpu_mode=custom` and `cpu_models=SapphireRapids` with Intel SapphireRapids on RHEL9?

Solution Verified - Updated -

Issue

  • Is it possible to set cpu_mode=custom and cpu_models=SapphireRapids with Intel SapphireRapids on RHEL9.4?
  • With Intel Xeon Gold 6421N Processor, virsh domcapabilities returns usable=no for SapphireRapids in custom mode.

Environment

  • Red Hat OpenStack Services on OpenShift(RHOSO) 18
  • RHEL9

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