linux-kernel - Re: [PATCH v2 3/3] mm: slub: test: Use the kunit_get_current

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Date:   Tue, 25 Oct 2022 22:42:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Gow <davidgow@...gle.com>,
        Brendan Higgins <brendan.higgins@...ux.dev>,
        Daniel Latypov <dlatypov@...gle.com>,
        Shuah Khan <skhan@...uxfoundation.org>
Cc:     oe-kbuild-all@...ts.linux.dev, David Gow <davidgow@...gle.com>,
        kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        linux-doc@...r.kernel.org, linux-mm@...ck.org,
        Oliver Glitta <glittao@...il.com>,
        Hyeonggon Yoo <42.hyeyoo@...il.com>,
        Christoph Lameter <cl@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        David Rientjes <rientjes@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2 3/3] mm: slub: test: Use the kunit_get_current_test()
 function

Hi David,

I love your patch! Yet something to improve:

[auto build test ERROR on vbabka-slab/for-next]
[also build test ERROR on kees/for-next/pstore linus/master v6.1-rc2 next-20221025]
[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/David-Gow/kunit-Provide-a-static-key-to-check-if-KUnit-is-actively-running-tests/20221025-152023
base:   git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git for-next
patch link:    https://lore.kernel.org/r/20221025071907.1251820-3-davidgow%40google.com
patch subject: [PATCH v2 3/3] mm: slub: test: Use the kunit_get_current_test() function
config: s390-defconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/048f50673812037a89a222fd04beaeaa59a2c2bb
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review David-Gow/kunit-Provide-a-static-key-to-check-if-KUnit-is-actively-running-tests/20221025-152023
        git checkout 048f50673812037a89a222fd04beaeaa59a2c2bb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> s390-linux-ld: mm/slub.o:(__jump_table+0xc8): undefined reference to `kunit_running'
   s390-linux-ld: mm/slub.o: `kunit_running' non-PLT reloc for symbol defined in shared library and accessed from executable (rebuild file with -fPIC ?)
   s390-linux-ld: final link failed: bad value
   pahole: .tmp_vmlinux.btf: No such file or directory
   .btf.vmlinux.bin.o: file not recognized: file format not recognized

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

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