Hi, Thanks for reporting this bug. Am Freitag, den 06.04.2018, 02:24 +0200 schrieb Manuel A. Fernandez Montecelo: > Source: rdma-core > Version: 17.1-1 > Severity: normal > Tags: patch > User: debian-riscv@xxxxxxxxxxxxxxxx > Usertags: riscv64 > > Hello, > > The current version of this package doesn't build for the riscv64 > port. > > First it fails to be considered to build (due to missing valgrind) > and, when > fixing that problem, FBTFS, because of missing files (see at bottom). I'll apply that part of the patch. > I applied the same fix as for many other arches, which is to add the > arch to the > list of NO_COHERENT_DMA_ARCHS in debian/rules. > > I am not sure if support could be added at a later date, but for the > time being, > seems to be the best way to get it working -- I don't know enough > details of the > architecture or the assembly language to get the necessary > incantations in > place. 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-rdma@xxxxxxxxxxxxxxx in the loop for help. -- Benjamin Drung System Developer Debian & Ubuntu Developer ProfitBricks GmbH Greifswalder Str. 207 10405 Berlin Email: benjamin.drung@xxxxxxxxxxxxxxxx URL: https://www.profitbricks.de Sitz der Gesellschaft: Berlin Registergericht: Amtsgericht Charlottenburg, HRB 125506 B Geschäftsführer: Achim Weiss, Matthias Steinberg, Christoph Steffens -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
