reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git/commit/?id=4bcfe84445b3d093a37c31821a3f2c95a0d214fa git remote add jpoimboe https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git git fetch --no-tags jpoimboe noreturn git checkout 4bcfe84445b3d093a37c31821a3f2c95a0d214fa 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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash