linux-kernel - [mark:stacktrace/testing 1/1] ERROR: modpost: ".stack_trace_save_tsk_reliable" [lib/test_stacktrace/test

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Date:   Wed, 13 Apr 2022 11:03:30 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mark:stacktrace/testing 1/1] ERROR: modpost:
 ".stack_trace_save_tsk_reliable" [lib/test_stacktrace/test_stacktrace.ko]
 undefined!

Hi Mark,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git stacktrace/testing
head:   a8e8825116626f8c3e8be3bb889b6442a7465cb8
commit: a8e8825116626f8c3e8be3bb889b6442a7465cb8 [1/1] WIP: stacktrace tests
config: powerpc64-buildonly-randconfig-r005-20220412 (https://download.01.org/0day-ci/archive/20220413/202204131117.cGGwO7Ul-lkp@intel.com/config)
compiler: powerpc64-linux-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/mark/linux.git/commit/?id=a8e8825116626f8c3e8be3bb889b6442a7465cb8
        git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark stacktrace/testing
        git checkout a8e8825116626f8c3e8be3bb889b6442a7465cb8
        # 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=powerpc 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: missing MODULE_LICENSE() in drivers/iio/afe/iio-rescale.o
ERROR: modpost: ".kallsyms_lookup_size_offset" [lib/test_stacktrace/test_stacktrace.ko] undefined!
>> ERROR: modpost: ".stack_trace_save_tsk_reliable" [lib/test_stacktrace/test_stacktrace.ko] undefined!

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