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/20240521071639.77614-18-thomas.hellstrom@linux.intel.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash