[toke:xdp-queueing-04 3/12] nios2-linux-ld: kernel/bpf/syscall.o:undefined reference to `pifo_generic_map_ops'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git xdp-queueing-04
head:   3ef13cb90d84cacaecd65fb853dc30cade943524
commit: 4198433a927809216d5fc4793eaa31d2883d1090 [3/12] bpf: Add a PIFO priority queue map type
config: nios2-randconfig-r032-20220411 (https://download.01.org/0day-ci/archive/20220412/202204121642.Tq0D1BzD-lkp@xxxxxxxxx/config)
compiler: nios2-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/toke/linux.git/commit/?id=4198433a927809216d5fc4793eaa31d2883d1090
        git remote add toke https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git
        git fetch --no-tags toke xdp-queueing-04
        git checkout 4198433a927809216d5fc4793eaa31d2883d1090
        # 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=nios2 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 >>):

>> nios2-linux-ld: kernel/bpf/syscall.o:(.rodata+0x574): undefined reference to `pifo_generic_map_ops'
>> nios2-linux-ld: kernel/bpf/btf.o:(.rodata+0x1c0): undefined reference to `pifo_generic_map_ops'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp