reproduce (this is a W=1 build):
        git checkout 24a19b953e2a3d0ea5a8c4951a0ab8f32720c907
        b4 shazam https://lore.kernel.org/r/bc9fbf5784f6788e10c749a05d56c42bdb68f3d9.1792144769.git.u.kleine-koenig@baylibre.com

        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/s390/crypto/