reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git/commit/?id=2633f2ba5c3c7e3096bd862c086093077372e6ed git remote add axboe https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git git fetch --no-tags axboe rw_iter git checkout 2633f2ba5c3c7e3096bd862c086093077372e6ed # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/net/ieee802154/