reproduce (this is a W=1 build):
        # https://github.com/isilence/linux/commit/4c610b57b76d4755266b022b1cf0aa55e728ae0a
        git remote add isilence https://github.com/isilence/linux
        git fetch --no-tags isilence zcrx/next
        git checkout 4c610b57b76d4755266b022b1cf0aa55e728ae0a
        # 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