reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add krzk-mem-ctrl https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git git fetch krzk-mem-ctrl for-next git checkout krzk-mem-ctrl/for-next b4 shazam https://lore.kernel.org/r/20241030104717.88688-6-bastien.curutchet@bootlin.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash