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 # https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux.git/commit/?id=6717fa5e8dd07117695beeb2cef072ea5b559e94 git remote add vireshk https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux.git git fetch --no-tags vireshk rust/cpufreq-dt git checkout 6717fa5e8dd07117695beeb2cef072ea5b559e94 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 prepare