On Mon, Oct 6, 2025, at 13:31, Naresh Kamboju wrote:
- linux-rdma@vger.kernel.org
On Mon, 6 Oct 2025 at 17:00, Naresh Kamboju naresh.kamboju@linaro.org wrote:
### Build error log /tmp/cclfMnj9.s: Assembler messages: /tmp/cclfMnj9.s:656: Error: unknown architectural extension `simd;' make[8]: *** [scripts/Makefile.build:287: drivers/net/ethernet/mellanox/mlx5/core/wc.o] Error 1
Suspecting commit, $ git blame -L 269 drivers/net/ethernet/mellanox/mlx5/core/wc.c fd8c8216648cd8 (Patrisious Haddad 2025-09-29 00:08:08 +0300 269) (".arch_extension simd;\n\t" fd8c8216648cd net/mlx5: Improve write-combining test reliability for ARM64 Grace CPUs
## Source
- Kernel version: 6.17.0
- Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git
- Git commit: 47a8d4b89844f5974f634b4189a39d5ccbacd81c
- Architectures: arm64
- Toolchains: gcc-8
- Kconfigs: defconfig
Nathan already analyzed the problem and suggested a fix, but I could not find a patch on the mailing list so far and sent his suggestion now. Please check
https://lore.kernel.org/all/20251006115640.497169-1-arnd@kernel.org/
Arnd