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 remote add wireless-next https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git git fetch wireless-next main git checkout wireless-next/main b4 shazam https://lore.kernel.org/r/20240208185302.9c6a4acabdb3.I501de5c0d86b9702bf61158a2e91c954a1da9a2a@changeid # 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/