Re: [RFC PATCH 08/21] KVM: TDX: Increase/decrease folio ref for huge pages

[Edgecombe, Rick P]

On Mon, 2025-06-16 at 18:43 +0800, Yan Zhao wrote:
> > It is true that a buggy or malicious userspace VMM can ignore conversion
> > failures and report success to the guest, but if both the userspace VMM
> > and guest are malicious, it's quite hard for the kernel to defend
> > against that.

For upstream, it's going to be required that userspace can't mess up the host
kernel. Userspace is free to mess up the guest though.