tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git workqueue.2023.01.06a
head:   1d85f95f4694b6a8eb0d4a11bdd38a92abcbe002
commit: 0f78b75d9574dac1e48c70fa790899d02390f619 [36/37] rcutorture: Add test of show_all_workqueues()
config: arm-randconfig-r046-20230106
compiler: arm-linux-gnueabi-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://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=0f78b75d9574dac1e48c70fa790899d02390f619
        git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
        git fetch --no-tags paulmck-rcu workqueue.2023.01.06a
        git checkout 0f78b75d9574dac1e48c70fa790899d02390f619
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

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

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

WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> (unknown) (section: .init.text)
>> ERROR: modpost: "show_all_workqueues" [kernel/rcu/rcutorture.ko] undefined!

-- 
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https://github.com/intel/lkp-tests