linux-kernel - ERROR: modpost: "__st_r13_to_r18" [lib/zstd/zstd

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Date:   Fri, 13 May 2022 10:42:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nick Terrell <terrelln@...com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: ERROR: modpost: "__st_r13_to_r18" [lib/zstd/zstd_decompress.ko]
 undefined!

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f3f19f939c11925dadd3f4776f99f8c278a7017b
commit: 7416cdc9b9c10968c57b1f73be5d48b3ecdaf3c8 lib: zstd: Don't add -O3 to cflags
date:   6 months ago
config: arc-randconfig-r015-20220512 (https://download.01.org/0day-ci/archive/20220513/202205131059.nbXxnXaV-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.3.0
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/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
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 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@...el.com>

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

>> ERROR: modpost: "__st_r13_to_r18" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__ld_r13_to_r18_ret" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__ld_r13_to_r24_ret" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__st_r13_to_r23" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__st_r13_to_r19" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__st_r13_to_r21" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__ld_r13_to_r17_ret" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__st_r13_to_r24" [lib/zstd/zstd_decompress.ko] undefined!
ERROR: modpost: "__ld_r13_to_r19_ret" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__ld_r13_to_r21_ret" [lib/zstd/zstd_decompress.ko] undefined!
WARNING: modpost: suppressed 2 unresolved symbol warnings because there were too many)

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp