Hi Gautam, Thanks for testing this patch. Few questions: Gautam Menghani <[email protected]> writes:
> On Wed, Jun 03, 2026 at 07:45:39PM +0530, Amit Machhiwal wrote: >> On IBM POWER systems, newer processor generations can operate in >> compatibility modes corresponding to earlier generations. This becomes >> relevant for nested virtualization, where nested KVM guests may need to >> run with a specific processor compatibility level. >> <snip> > > I booted a KVM guest on LPAR with this patch in the following scenarios: <snip> > 3. P11 guest on P11 host booted in P10 compat mode: No error observed This should have resulted in an error since booting a P11 guest on P10 compat mode host is not allowed with/without this patch. Can you please check your test env and share the boot results. > > Tested-by: Gautam Menghani <[email protected]> -- Cheers ~ Vaibhav
