reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add rdma https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git git fetch rdma for-next git checkout rdma/for-next b4 shazam https://lore.kernel.org/r/20240823075058.89488-3-chengyou@linux.alibaba.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/gpu/drm/amd/pm/powerplay/smumgr/ drivers/infiniband/hw/erdma/