Hi Ilya,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Ilya-Leoshkevich/Add-BTF_KIND_FLOAT-support/20210219-103132
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: m68k-bvme6000_defconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/2ce77d2bc322bcb14148c06a96992133b39fdf1c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ilya-Leoshkevich/Add-BTF_KIND_FLOAT-support/20210219-103132
        git checkout 2ce77d2bc322bcb14148c06a96992133b39fdf1c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

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

All errors (new ones prefixed by >>):

   m68k-linux-ld: kernel/bpf/btf.o: in function `btf_float_check_member':
>> btf.c:(.text+0xf98): undefined reference to `__umoddi3'

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