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

[kernel test robot]

Hi Nick,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d1587f7bfe9a0f97a75d42ac1489aeda551106bc
commit: 7416cdc9b9c10968c57b1f73be5d48b3ecdaf3c8 lib: zstd: Don't add -O3 to cflags
date:   7 weeks ago
config: arc-randconfig-r001-20220107 (https://download.01.org/0day-ci/archive/20220109/202201090409.Bi3yEXiF-lkp@xxxxxxxxx/config)
compiler: arc-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@xxxxxxxxx>

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
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx