tree: git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux topic-rpc-with-tls-upcall head: da4c27539d2deaa2b9624c470a903b880497e398 commit: 2d835a81bb38c6378f4cc53d0eb2320248a11a4c [15/18] net/tls: Add support for PF_TLSH (a TLS handshake listener) config: arc-randconfig-r043-20220123 (https://download.01.org/0day-ci/archive/20220124/202201241735.neUrpkni-lk...) compiler: arc-elf-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git/commit/?id=... git remote add cel git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux git fetch --no-tags cel topic-rpc-with-tls-upcall git checkout 2d835a81bb38c6378f4cc53d0eb2320248a11a4c # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arc-elf-ld: net/tls/af_tlsh.o: in function `tlsh_recvmsg': af_tlsh.c:(.text+0xc2): undefined reference to `inet6_recvmsg' arc-elf-ld: net/tls/af_tlsh.o: in function `tlsh_sendmsg': af_tlsh.c:(.text+0xde): undefined reference to `inet6_sendmsg' arc-elf-ld: net/tls/af_tlsh.o: in function `tlsh_getname': af_tlsh.c:(.text+0x12a): undefined reference to `inet6_getname' arc-elf-ld: net/tls/af_tlsh.o: in function `tlsh_release': af_tlsh.c:(.text+0x4f6): undefined reference to `inet6_release' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org