reproduce (this is a W=1 build): # https://github.com/tamird/linux/commit/669fde8241bd5bb91c22df6640b243ca1da272b9 git remote add tamird https://github.com/tamird/linux git fetch --no-tags tamird b4/bpf-ringbuf-callback git checkout 669fde8241bd5bb91c22df6640b243ca1da272b9 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=$HOME/0day COMPILER=gcc-13.4.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.4.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm prepare