Hi Wythe, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/D-Wythe/net-smc-Introduce-BPF-injection-capability-for-SMC/20230221-155712 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/1676966191-47736-2-git-send-email-alibuda%40linux.alibaba.com patch subject: [PATCH bpf-next 1/2] net/smc: Introduce BPF injection capability for SMC config: x86_64-randconfig-a004-20230220 (https://download.01.org/0day-ci/archive/20230221/202302212036.S8wKuQqw-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/e2b31aece49068d7a07ca4bbd5fbdbd92f45a25e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review D-Wythe/net-smc-Introduce-BPF-injection-capability-for-SMC/20230221-155712 git checkout e2b31aece49068d7a07ca4bbd5fbdbd92f45a25e # 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 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/202302212036.S8wKuQqw-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "smc_sock_perform_collecting_info" [net/smc/smc.ko] undefined! >> ERROR: modpost: "smc_sock_should_select_smc" [net/smc/smc.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
