On Tue, Oct 10, 2023 at 5:22 AM José Pekkarinen <jose.pekkarinen@xxxxxxxxxxx> wrote: > > There are bioses that doesn't allow to configure the > number of asids allocated for SEV/SEV-ES, for those > cases, the default behaviour allocates all the asids > for SEV, leaving no room for SEV-ES to have some fun. > If the user request SEV-ES to be enabled, it will > find the kernel just run out of resources and ignored > user request. This following patch will address this > issue by making the number of asids for SEV/SEV-ES > configurable over kernel module parameters. > All this patch does is introduce an error case right? Because if the BIOS hasn't actually configured those SEV-ES asids and KVM tries to use an SEV as an SEV-ES asid commands to the ASP will fail, right? What happens when you try to create an SEV-ES VM with this patch, when the BIOS hasn't allocated any SEV-ES asids?
