reproduce (this is a W=1 build):
        git remote add drm-xe https://gitlab.freedesktop.org/drm/xe/kernel.git
        git fetch drm-xe drm-xe-next
        git checkout drm-xe/drm-xe-next
        b4 shazam https://lore.kernel.org/r/20260202064356.286243-8-riana.tauro@intel.com

        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=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=csky olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=csky SHELL=/bin/bash