On Tue, 2017-04-18 at 14:48 -0600, Logan Gunthorpe wrote: > > ...and that dma_map goes through get_dma_ops(), so I don't see the conflict? > > The main conflict is in dma_map_sg which only does get_dma_ops once but > the sg may contain memory of different types.
We can handle that in our "overriden" dma ops. It's a bit tricky but it *could* break it down into segments and forward portions back to the original dma ops. Ben.
