reproduce (this is a W=1 build): git checkout f8f9c1f4d0c7a64600e2ca312dec824a0bc2f1da b4 shazam https://lore.kernel.org/r/20260113143727.1041265-1-imran.f.khan@oracle.com # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # clang-22 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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash kernel/irq/