On Tue, Nov 06, 2018 at 05:27:14PM -0800, John Stultz wrote: > But at that point if I just re-apply "swiotlb: use swiotlb_map_page in > swiotlb_map_sg_attrs", I reproduce the hangs. > > Any suggestions for how to further debug what might be going wrong > would be appreciated!
Very odd. In the end map_sg and map_page are defined to do the same things to start with. The only real issue we had in this area was: "[PATCH v2] of/device: Really only set bus DMA mask when appropriate" so with current mainline + that you still see a problem, and if you rever the commit we are replying to it still goes away? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
