reproduce (this is a W=1 build):
        # https://github.com/jlelli/linux/commit/2d96e08126551c9773a9c9854d08c7559c9c90e6
        git remote add jlelli https://github.com/jlelli/linux.git
        git fetch --no-tags jlelli upstream/deadline/domains-suspend
        git checkout 2d96e08126551c9773a9c9854d08c7559c9c90e6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash