[martineau:kbuild-mptcp 3/19] subflow.c:undefined reference to `__crypto_memneq'

[martineau:kbuild-mptcp 3/19] subflow.c:undefined reference to `__crypto_memneq'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/martineau/linux.git kbuild-mptcp
head:   e4b7e3a8c3a2f84c554b656bbb7ce0b96de6c33f
commit: 98c5c4c35ea6464188e8c343f0441e231e000d2e [3/19] mptcp: Add handling of incoming MP_JOIN requests
config: nios2-3c120_defconfig (attached as .config)
compiler: nios2-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 98c5c4c35ea6464188e8c343f0441e231e000d2e
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=nios2 

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

All errors (new ones prefixed by >>):

   net/mptcp/subflow.o: In function `subflow_syn_recv_sock':
>> subflow.c:(.text+0x790): undefined reference to `__crypto_memneq'
   subflow.c:(.text+0x790): relocation truncated to fit: R_NIOS2_CALL26 against `__crypto_memneq'

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

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