[jpirko-mlxsw:combined_queue 1866/1919] ERROR: modpost: "br_switchdev_mdb_notify" [net/bridge/bridge.ko] undefined!

[kernel test robot]

tree:   https://github.com/jpirko/linux_mlxsw combined_queue
head:   cc90b1ce366c29e26c7b67e86a3f87ec1500fc1f
commit: 9776457c784f6549d43f80eb96d4122b51558258 [1866/1919] net: bridge: mdb: move all switchdev logic to br_switchdev.c
config: m68k-defconfig (attached as .config)
compiler: m68k-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://github.com/jpirko/linux_mlxsw/commit/9776457c784f6549d43f80eb96d4122b51558258
        git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
        git fetch --no-tags jpirko-mlxsw combined_queue
        git checkout 9776457c784f6549d43f80eb96d4122b51558258
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k 

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: "br_switchdev_mdb_notify" [net/bridge/bridge.ko] undefined!

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

Attachment: .config.gz
Description: application/gzip