reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # install s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc git fetch drm-misc drm-misc-next git checkout drm-misc/drm-misc-next b4 shazam https://lore.kernel.org/r/20241024162240.2398664-2-jani.nikula@intel.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/accel/qaic/ drivers/gpu/drm/mxsfb/ drivers/hid/bpf/ drivers/mmc/host/