Re: [RFC PATCH v5 22/45] KVM: TDX: Get/put PAMT pages when (un)mapping private memory

[Edgecombe, Rick P]

On Mon, 2026-02-09 at 10:33 +0000, Huang, Kai wrote:
> In the fault path, we already know the PFN after
> kvm_mmu_faultin_pfn(), which is outside of MMU lock.
> 
> What we still don't know is the actual mapping level, which is
> currently done in kvm_tdp_mmu_map() via kvm_mmu_hugepage_adjust().
> 
> However I don't see why we cannot move kvm_mmu_hugepage_adjust() out
> of it to, e.g., right after kvm_mmu_faultin_pfn()?
> 
> If we can do this, then AFAICT we can just do:
> 
>   r = kvm_x86_call(prepare_pfn)(vcpu, fault, pfn);

What about the adjustments in disallowed_hugepage_adjust()?