[zen-kernel-zen-kernel:5.9/clearlinux 9/26] algos.c:undefined reference to `raid6_intx32'

[zen-kernel-zen-kernel:5.9/clearlinux 9/26] algos.c:undefined reference to `raid6_intx32'

[kernel test robot]

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tree:   https://github.com/zen-kernel/zen-kernel 5.9/clearlinux
head:   2a08e6bb06ef6a673a88475b7697cba9d8a39c9d
commit: 23c73dec0e7b76f8ff212d93e6b0698b3de678b9 [9/26] raid6: add Kconfig option to skip raid6 benchmarking
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/zen-kernel/zen-kernel/commit/23c73dec0e7b76f8ff212d93e6b0698b3de678b9
        git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel
        git fetch --no-tags zen-kernel-zen-kernel 5.9/clearlinux
        git checkout 23c73dec0e7b76f8ff212d93e6b0698b3de678b9
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All error/warnings (new ones prefixed by >>):

   lib/raid6/algos.c: In function 'raid6_select_algo':
>> lib/raid6/algos.c:130:28: warning: variable 'gen_fallback' set but not used [-Wunused-but-set-variable]
     130 |  const struct raid6_calls *gen_fallback;
         |                            ^~~~~~~~~~~~
--
   ld: lib/raid6/algos.o: in function `raid6_select_algo':
>> algos.c:(.init.text+0x1d): undefined reference to `raid6_intx32'
>> ld: algos.c:(.init.text+0x39): undefined reference to `raid6_intx32'

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

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