reproduce (this is a W=1 build):
        git checkout a2f11547052001bd448ccec81dd1e68409078fbb
        b4 shazam https://lore.kernel.org/r/20240916231817.643934-4-lyude@redhat.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 prepare