reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux.git/commit/?id=d4991c69f1ad2064dbc46273adf6b3774e36c482 git remote add lpieralisi https://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux.git git fetch --no-tags lpieralisi dev/acpi-static-table-gsi-deferral git checkout d4991c69f1ad2064dbc46273adf6b3774e36c482 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # clang-24 might not be officially released. Try a lower version if installation fails. 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=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/acpi/