linux-kernel - Re: [PATCH v2 08/14] lib/string_kunit: add performance benchmark for strlen()

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Message-ID: <202601181845.EiSSqJu7-lkp@intel.com>
Date: Sun, 18 Jan 2026 19:11:32 +0800
From: kernel test robot <lkp@...el.com>
To: Feng Jiang <jiangfeng@...inos.cn>, pjw@...nel.org, palmer@...belt.com,
	aou@...s.berkeley.edu, alex@...ti.fr, kees@...nel.org,
	andy@...nel.org, akpm@...ux-foundation.org, ebiggers@...nel.org,
	martin.petersen@...cle.com, ardb@...nel.org,
	ajones@...tanamicro.com, conor.dooley@...rochip.com,
	samuel.holland@...ive.com, linus.walleij@...aro.org,
	nathan@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2 08/14] lib/string_kunit: add performance benchmark for
 strlen()

Hi Feng,

kernel test robot noticed the following build errors:

[auto build test ERROR on kees/for-next/hardening]
[also build test ERROR on linus/master v6.19-rc5 next-20260116]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Feng-Jiang/lib-string-extract-generic-strlen-into-__generic_strlen/20260113-163741
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/hardening
patch link:    https://lore.kernel.org/r/20260113082748.250916-9-jiangfeng%40kylinos.cn
patch subject: [PATCH v2 08/14] lib/string_kunit: add performance benchmark for strlen()
config: i386-randconfig-015-20251207 (https://download.01.org/0day-ci/archive/20260118/202601181845.EiSSqJu7-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260118/202601181845.EiSSqJu7-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/202601181845.EiSSqJu7-lkp@intel.com/

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

>> ERROR: modpost: "__umoddi3" [lib/tests/string_kunit.ko] undefined!

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