> Add a userptr address field so userspace can request a blob backed > by an existing process mapping. A non-zero userptr selects that > path; probe VIRTGPU_PARAM_USERPTR before using the field. > > GPU-readonly backing is requested with the virtio CREATE_BLOB wire > flag VIRTIO_GPU_BLOB_FLAG_USE_READONLY (also > VIRTGPU_BLOB_FLAG_USE_READONLY). The device MUST NOT write such a > resource. The guest pins without FOLL_WRITE only when the device > advertised VIRTIO_GPU_F_BLOB_READONLY (VIRTGPU_PARAM_BLOB_READONLY). > > Signed-off-by: Honglei Huang <[email protected]>
Sashiko has reviewed this patch and found no issues. It looks great! -- Sashiko AI review ยท https://sashiko.dev/#/patchset/[email protected]?part=2
