Re: [PATCH] KVM: x86/mmu: Allow per VM kvm_mmu_max_gfn()

From: Edgecombe, Rick P
Date: Mon Jul 15 2024 - 22:53:25 EST


On Mon, 2024-07-15 at 18:21 -0700, isaku.yamahata@xxxxxxxxx wrote:
> From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
>
> Prepare for TDX support by making kvm_mmu_max_gfn() configurable.  Have
> this preparation also be useful by non-TDX changes to improve correctness
> associated with the combination of 4-level EPT and MAXPA > 48.  The issue
> is analyzed at [1].

It looks like the part where you were going to describe the TDX and other
testing got left off, can elaborate?