[ammarfaizi2-block:crng/random/jd/not-zero-entropy 6/12] ERROR: modpost: "random_get_entropy_fallback" [crypto/jitterentropy_rng.ko] undefined!

[kernel test robot]

tree:   https://github.com/ammarfaizi2/linux-block crng/random/jd/not-zero-entropy
head:   4ee3bf173a552cd996e048d57f65bb5b471ab577
commit: 223939a5e0da931df37ab6bcd3e84bd74d931f35 [6/12] mips: use fallback for random_get_entropy() instead of zero
config: mips-decstation_64_defconfig (https://download.01.org/0day-ci/archive/20220412/202204121911.NhZSbyFC-lkp@xxxxxxxxx/config)
compiler: mips64el-linux-gcc (GCC) 11.2.0
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://github.com/ammarfaizi2/linux-block/commit/223939a5e0da931df37ab6bcd3e84bd74d931f35
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block crng/random/jd/not-zero-entropy
        git checkout 223939a5e0da931df37ab6bcd3e84bd74d931f35
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "random_get_entropy_fallback" [crypto/jitterentropy_rng.ko] undefined!

-- 
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https://01.org/lkp