reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://github.com/esmil/linux/commit/2bf2b3c3e381c76f1f04c3863bfbd5e03b35195f
        git remote add esmil https://github.com/esmil/linux
        git fetch --no-tags esmil d1-6.8.y
        git checkout 2bf2b3c3e381c76f1f04c3863bfbd5e03b35195f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/crypto/intel/ixp4xx/ drivers/gpu/drm/xe/ drivers/gpu/drm/xlnx/ drivers/i3c/ drivers/infiniband/hw/cxgb4/ drivers/infiniband/hw/hns/ drivers/infiniband/hw/qedr/ drivers/infiniband/sw/rxe/ drivers/infiniband/ulp/isert/ drivers/infiniband/ulp/srpt/ drivers/media/i2c/ drivers/media/platform/mediatek/vcodec/common/ drivers/media/platform/rockchip/rkisp1/ drivers/media/platform/ti/cal/ drivers/mtd/nand/raw/ingenic/ drivers/net/ethernet/arc/ drivers/net/ethernet/hisilicon/hns3/ drivers/net/ethernet/intel/ice/ drivers/net/ethernet/marvell/octeontx2/af/ drivers/net/ethernet/mellanox/mlx5/core/ drivers/net/ethernet/netronome/nfp/ drivers/net/ethernet/pensando/ionic/ drivers/net/ethernet/ti/ drivers/net/wan/framer/pef2256/ drivers/platform/chrome/ drivers/soc/ti/ drivers/usb/musb/ drivers/vdpa/solidrun/ fs/lockd/ fs/nfs/ fs/smb/server/ net/netfilter/ net/sunrpc/auth_gss/ sound/soc/mediatek/mt8186/ sound/soc/sunxi/