Hi Jason, > Subject: Re: [PATCH RFC 00/26] Add DMA-buf mapping types and > convert vfio/iommufd to use them > > On Tue, Feb 17, 2026 at 08:11:31PM -0400, Jason Gunthorpe wrote: > > Jason Gunthorpe (26): > > dma-buf: Introduce DMA-buf mapping types > > dma-buf: Add the SGT DMA mapping type > > dma-buf: Add dma_buf_mapping_attach() > > dma-buf: Route SGT related actions through attach->map_type > > dma-buf: Allow single exporter drivers to avoid the match_mapping > > function > > I've rebased my github branch: > > https://github.com/jgunthorpe/linux/commits/dmabuf_map_type > > On to drm-misc-next comit 41dae5ac5e15 ("drm/nouveau: Test for > imported > buffers with drm_gem_is_imported()") and reworked some of the > pending > bits on the VFIO side to accommodate Leon's series. > > Christian/Thomas/Vivek, how are you feeling about this approach? I'd > like to focus on the above patches, should I post a non-RFC series? The approach looks good to me. One particular idea that you have added, that is new is finish_match(), which I think is very useful. Hopefully, this series is on Christian and Thomas' TODO list and they can do an in-depth review soon.
Thanks, Vivek > > Thanks, > Jason
