[cel:topic-rpc-with-tls-upcall 15/15] ERROR: modpost: "tls_client_hello_user" [net/sunrpc/sunrpc.ko] undefined!

[kernel test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux topic-rpc-with-tls-upcall
head:   667fe15e9d8a4b978367248bdf40bcd31620a08d
commit: 667fe15e9d8a4b978367248bdf40bcd31620a08d [15/15] SUNRPC: RPC client support for TLS handshake upcall
config: ia64-defconfig (https://download.01.org/0day-ci/archive/20211207/202112071049.bwW2GUGp-lkp@xxxxxxxxx/config)
compiler: ia64-linux-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=667fe15e9d8a4b978367248bdf40bcd31620a08d
        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 667fe15e9d8a4b978367248bdf40bcd31620a08d
        # 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=ia64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "tls_client_hello_user" [net/sunrpc/sunrpc.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx