tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   b86a6a241b7c60ca7a6ca4fb3c0d2aedbbf2c1b6
commit: 2d8fce24a0fb125e4fbbd4bb546cc0f9e6122d8d [6276/7050] kasan: stackdepot: move filter_irq_stacks() to stackdepot.c
config: nds32-randconfig-a001-20200311 (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 2d8fce24a0fb125e4fbbd4bb546cc0f9e6122d8d
        # 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: lib/stackdepot.o: in function `filter_irq_stacks':
>> stackdepot.c:(.text+0x8a): undefined reference to `__softirqentry_text_start'
>> nds32le-linux-ld: stackdepot.c:(.text+0x8e): undefined reference to `__softirqentry_text_start'
>> nds32le-linux-ld: stackdepot.c:(.text+0x92): undefined reference to `__softirqentry_text_end'
   nds32le-linux-ld: stackdepot.c:(.text+0x96): undefined reference to `__softirqentry_text_end'

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