Hi Wythe, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/D-Wythe/net-smc-move-smc_sock-related-structure-definition/20230512-142700 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/1683872684-64872-3-git-send-email-alibuda%40linux.alibaba.com patch subject: [PATCH bpf-next v1 2/5] net/smc: allow smc to negotiate protocols on policies config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20230512/202305122104.msaKEOV1-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/db8daea84b78121c3612ad5e5ba1d1eaac2f4171 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review D-Wythe/net-smc-move-smc_sock-related-structure-definition/20230512-142700 git checkout db8daea84b78121c3612ad5e5ba1d1eaac2f4171 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305122104.msaKEOV1-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "bpf_struct_ops_get" [net/smc/smc.ko] undefined! >> ERROR: modpost: "bpf_struct_ops_put" [net/smc/smc.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
