Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 11 Jul 2023 09:05:02 -0300 | From | Jason Gunthorpe <> | Subject | Re: Memory providers multiplexing (Was: [PATCH net-next v4 4/5] page_pool: remove PP_FLAG_PAGE_FRAG flag) |
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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
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