Re: [RFC PATCH 02/21] x86/virt/tdx: Enhance tdh_mem_page_aug() to support huge pages

[Vishal Annapurve]

On Tue, Jul 8, 2025 at 8:32 AM Edgecombe, Rick P
<rick.p.edgecombe@xxxxxxxxx> wrote:
>
> On Tue, 2025-07-08 at 08:29 -0700, Vishal Annapurve wrote:
> > > The original seamcall wrapper patches used "u64 hpa", etc everywhere. The
> > > feedback was that it was too error prone to not have types. We looked at
> > > using
> > > kvm types (hpa_t, etc), but the type checking was still just surface level
> > > [0].
> > >
> > > So the goal is to reduce errors and improve code readability. We can
> > > consider
> > > breaking symmetry if it is better that way. In this case though, why not use
> > > struct folio?
> >
> > My vote would be to prefer using "hpa" and not rely on folio/page
> > structs for guest_memfd allocated memory wherever possible.
>
> Is this because you want to enable struct page-less gmemfd in the future?

Yes. That's the only reason.