On Tue, Jul 11, 2023 at 07:04:45AM +0200, Christoph Hellwig wrote: > On Mon, Jul 10, 2023 at 09:59:06PM -0700, Jakub Kicinski wrote: > > On Tue, 11 Jul 2023 06:27:08 +0200 Christoph Hellwig wrote: > > > Not going to comment on the rest of this as it seems bat shit crazy > > > hacks for out of tree junk. Why is anyone even wasting time on this? > > > > Noob question - how does RDMA integrate with the out of tree junk? > > AFAIU it's possible to run the "in-tree" RDMA stack and get "GPU > > direct". > > I don't care and it has absolutel no business being discussed here. > > FYI at leat iWarp is a totally open standard. So is Infiniband, Jakub has a unique definition of "proprietary". RDMA works with the AMD and Intel intree drivers using DMABUF without requiring struct pages using the DRM hacky scatterlist approach. Jason
