tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.4.y
head:   efbc4a364bd5469a616668127439e7cfca4c1d7b
commit: 994fcca7f1c93f4e78008d5806c68067d3b75487 [9963/9999] siphash: add cryptographically secure PRF
config: m68k-randconfig-r011-20210728 (attached as .config)
compiler: m68k-linux-gcc (GCC) 10.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=994fcca7f1c93f4e78008d5806c68067d3b75487
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-4.4.y
        git checkout 994fcca7f1c93f4e78008d5806c68067d3b75487
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 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 >>):

>> ERROR: "siphash_3u32" [lib/test_siphash.ko] undefined!
>> ERROR: "siphash_1u32" [lib/test_siphash.ko] undefined!
>> ERROR: "siphash_4u64" [lib/test_siphash.ko] undefined!
>> ERROR: "siphash_3u64" [lib/test_siphash.ko] undefined!
>> ERROR: "siphash_2u64" [lib/test_siphash.ko] undefined!
>> ERROR: "siphash_1u64" [lib/test_siphash.ko] undefined!
>> ERROR: "__siphash_unaligned" [lib/test_siphash.ko] undefined!
>> ERROR: "__siphash_aligned" [lib/test_siphash.ko] undefined!

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