ERROR: modpost: "__ld_r13_to_r25_ret" [lib/zstd/zstd_decompress.ko] undefined!

kernel test robot
2021-11-27T16:14:03Z

head: c5c17547b778975b3d83a73c8d84e8fb5ecf3ba5
commit: 7416cdc9b9c10968c57b1f73be5d48b3ecdaf3c8 lib: zstd: Don't add -O3 to cflags
date: 9 days ago
config: arc-randconfig-c004-20211122 (https://download.01.org/0day-ci/archive/20211128/202111280005.fBajKq69-lkp@intel.com/config)
compiler: arceb-elf-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7416cdc9b9c10968c57b1f73be5d48b3ecdaf3c8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 7416cdc9b9c10968c57b1f73be5d48b3ecdaf3c8
# 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=arc SHELL=/bin/bash

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 >>, old ones prefixed by <<):

>> ERROR: modpost: "__ld_r13_to_r25_ret" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__st_r13_to_r25" [lib/zstd/zstd_decompress.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation