reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu git checkout 1794d7ab34d2221ac7eb921b171e75b856e10561 b4 shazam https://lore.kernel.org/r/20250323073959.2872641-4-quic_rdevanat@quicinc.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/wireless/intel/iwlwifi/mld/