reproduce: git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # apt-get install sparse # sparse version: v0.6.4-52-g1cf3d98c-dirty # https://github.com/morimoto/linux/commit/1975b0b1dfed22c19ac690e91a9663373801e9b7 git remote add morimoto https://github.com/morimoto/linux git fetch --no-tags morimoto renesas-bsp/v6.1.71-2024-01-10 git checkout 1975b0b1dfed22c19ac690e91a9663373801e9b7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=parisc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=parisc SHELL=/bin/bash drivers/soc/renesas/