Re: [PATCH v11 0/8] KVM: allow mapping non-refcounted pages

[Christoph Hellwig]

On Thu, Feb 29, 2024 at 11:57:51AM +0900, David Stevens wrote:
> Our use case is virtio-gpu blob resources [1], which directly map host
> graphics buffers into the guest as "vram" for the virtio-gpu device.
> This feature currently does not work on systems using the amdgpu driver,
> as that driver allocates non-compound higher order pages via
> ttm_pool_alloc_page().

. and just as last time around that is still the problem that needs
to be fixed instead of creating a monster like this to map
non-refcounted pages.