> Subject: Re: [RFC v2 0/8] dma-buf: Add support for mapping dmabufs via > interconnects > > On Fri, Oct 31, 2025 at 05:15:32AM +0000, Kasireddy, Vivek wrote: > > > So the next steps would be to make all the exporters directly declare > > > a SGT and then remove the SGT related ops from dma_ops itself and > > > remove the compat sgt in the attach logic. This is not hard, it is all > > > simple mechanical work. > > > IMO, this SGT compatibility stuff should ideally be a separate follow-on > > effort (and patch series) that would also probably include updates to > > various drivers to add the SGT mapping type. > > I've beeen working on this idea and have updated my github here: > > https://github.com/jgunthorpe/linux/commits/dmabuf_map_type/ > > I still need to run it through what testing I can do here, but it goes > all the way and converts everything into SGT mapping type, all > drivers. I think this shows the idea works. > > I'm hoping to post it next week if the revoke thing settles down and I > can complete some more checking. > > We can discuss how to break it up along with get feedback if people > are happy with the idea. > > It looks like it turns out fairly well, I didn't find anything > surprising along the way at least. Great! Looking forward to the patches!
Thanks, Vivek > > Thanks, > Jason
