Re: [PATCH 07/12] KVM: x86: SEV: Treat C-bit as legal GPA bit regardless of vCPU mode

[Edgecombe, Rick P]

On Wed, 2021-02-03 at 16:01 -0800, Sean Christopherson wrote:
>  
> -       unsigned long cr3_lm_rsvd_bits;
> +       u64 reserved_gpa_bits;

LAM defines bits above the GFN in CR3:
https://software.intel.com/content/www/us/en/develop/download/intel-architecture-instruction-set-extensions-programming-reference.html

KVM doesn't support this today of course, but it might be confusing to
try to combine the two concepts.