reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/joel.granados/linux.git/commit/?id=18654655ca1b5e5bc57b89c5e88645cd3284764c
        git remote add joel-granados https://git.kernel.org/pub/scm/linux/kernel/git/joel.granados/linux.git
        git fetch --no-tags joel-granados jag/mv_ctltables
        git checkout 18654655ca1b5e5bc57b89c5e88645cd3284764c
        # 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 arch/x86/kernel/