Re: [PATCH v2 08/25] KVM: x86/mmu: split cpu_mode from mmu_role

Paolo Bonzini
2022-03-09T15:40:44Z

On 3/9/22 16:38, Sean Christopherson wrote:
> Can we instead tweak that patch to make it and kvm_calc_shadow_npt_root_page_role() be
>
> static union kvm_mmu_role
> kvm_calc_shadow_mmu_root_page_role(struct kvm_vcpu *vcpu,
> union kvm_mmu_role cpu_role)
> {
> union kvm_mmu_role root_role = cpu_role;
>
> if (!cpu_role.ext.efer_lma)
> root_role.base.level = PT32E_ROOT_LEVEL;
> else if (cpu_role.ext.cr4_la57)
> root_role.base.level = PT64_ROOT_5LEVEL;
> else
> root_role.base.level = PT64_ROOT_4LEVEL;
>
> return root_role;
> }

Yep, figured the same in the meanwhile.

Paolo