ERROR: "crc32c" [drivers/md/raid456.ko] undefined!

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ad804a0b2a769a0eed29015c53fe395449c09d13
commit: 5cb2fbd6ea0d151dcb12d98c06c8761eedfed2ee raid5-cache: use crc32c checksum
date:   7 days ago
config: arm-sa1100 (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 5cb2fbd6ea0d151dcb12d98c06c8761eedfed2ee
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

>> ERROR: "crc32c" [drivers/md/raid456.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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