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Whilst SDXI looks like a good and feature rich spec, > I'm curious what is fundamentally new? Perhaps it is just the > right time to improve functionality for DMA engines in general. It looks quite alot like Intel's IDXD to me, which seems to have alot of overlap. > > [2] SDXI device driver, https://github.com/AMDESE/linux-sdxi Sorry, but a never posted branch based on an v6.6 kernel using alot of obsoleted and removed iommu APIs doesn't seem like LSF/MM content to me. LSF/MM is supposed to be a problem solving conference, you should ideally have something in active discussion on the mailing list with an unresolved problem to talk about. Jason