linux-kernel - ERROR: modpost: "__ld_r13_to_r21_ret" [lib/zstd/zstd

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Message-ID: <202309090726.jUcXS8Ez-lkp@intel.com>
Date:   Sat, 9 Sep 2023 07:38:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nick Terrell <terrelln@...com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: ERROR: modpost: "__ld_r13_to_r21_ret" [lib/zstd/zstd_decompress.ko]
 undefined!

Hi Nick,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   32bf43e4efdb87e0f7e90ba3883e07b8522322ad
commit: 2aa14b1ab2c41a4fe41efae80d58bb77da91f19f zstd: import usptream v1.5.2
date:   11 months ago
config: arc-randconfig-c004-20210930 (https://download.01.org/0day-ci/archive/20230909/202309090726.jUcXS8Ez-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 12.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230909/202309090726.jUcXS8Ez-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309090726.jUcXS8Ez-lkp@intel.com/

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

ERROR: modpost: "__st_r13_to_r22" [lib/zstd/zstd_decompress.ko] undefined!
ERROR: modpost: "__st_r13_to_r17" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__ld_r13_to_r21_ret" [lib/zstd/zstd_decompress.ko] undefined!
ERROR: modpost: "__ld_r13_to_r19_ret" [lib/zstd/zstd_decompress.ko] undefined!
ERROR: modpost: "__ld_r13_to_r22_ret" [lib/zstd/zstd_decompress.ko] undefined!
ERROR: modpost: "__st_r13_to_r25" [lib/zstd/zstd_decompress.ko] undefined!
ERROR: modpost: "__st_r13_to_r24" [lib/zstd/zstd_decompress.ko] undefined!
ERROR: modpost: "__ld_r13_to_r17_ret" [lib/zstd/zstd_decompress.ko] undefined!
>> ERROR: modpost: "__st_r13_to_r21" [lib/zstd/zstd_decompress.ko] undefined!
ERROR: modpost: "__st_r13_to_r19" [lib/zstd/zstd_decompress.ko] undefined!
WARNING: modpost: suppressed 5 unresolved symbol warnings because there were too many)

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki