tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   6c90b86a745a446717fdf408c4a8a4631a5e8ee3
commit: 060dc911501f6ee222569304f50962172a52b1d6 nds32: fix build failure caused by page table folding updates
date:   3 months ago
config: nds32-randconfig-a001-20200319 (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 060dc911501f6ee222569304f50962172a52b1d6
        # save the attached .config to linux build tree
        GCC_VERSION=9.2.0 make.cross ARCH=nds32 

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

All errors (new ones prefixed by >>):

   nds32le-linux-ld: .btf.vmlinux.bin.o: warning: older version of object file encountered, please recompile with current tool chain
>> nds32le-linux-ld: .btf.vmlinux.bin.o: error: ABI mismatch with previous modules
   nds32le-linux-ld: failed to merge target specific data of file .btf.vmlinux.bin.o

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