2018-04-19 14:00 GMT+02:00 Benjamin Drung <benjamin.dr...@profitbricks.com>: > > RISC-V has a FENCE instruction and the A extension (which is part of > the G instruction set) provides atomic memory operations. So the > architecture should provide coherent DMA support. To enable support, > util/udma_barrier.h needs to be adjusted. I am including > linux-r...@vger.kernel.org in the loop for help.
Thanks! (not CC'ing the list). -- Manuel A. Fernandez Montecelo <manuel.montez...@gmail.com>