On Tue, Mar 05, 2024 at 06:15:46PM +0100, Jiri Denemark wrote:
using the CPU model and no additional feature elements. Models marked as usable (``usable='yes'``) can be safely used in domain XMLs with ``check='none'`` as the hypervisor guarantees the model can be used on the - current host and additional checks done by libvirt are redundant. In fact, - disabling libvirt checks via ``check='none'`` for such models is recommended - to avoid needless issues with starting domains when libvirt's definition of - a particular model differs from hypervisor's definition. The + current host and additional checks done by libvirt are redundant. + :since:`Since 10.2.0` libvirt automatically detects this situation and + avoids the redundant checks, with older releases disabling libvirt checks + via ``check='none'`` for such models is recommended to avoid needless + issues with starting domains when libvirt's definition of a particular model + differs from hypervisor's definition. The ``deprecated`` attribute reflects the hypervisor's policy on usage of this model :since:`(since 7.1.0)`. The ``vendor`` attribute :since:`(since 8.9.0)` contains the vendor of the CPU model for users who want to use CPU models
I suggest adding ... avoids the redundant checks even when ``check='partial'`` is used, with older releases... Either way Reviewed-by: Andrea Bolognani <abologna@redhat.com> -- Andrea Bolognani / Red Hat / Virtualization