[asm-generic:asm-generic-uaccess-6 6/10] ERROR: modpost: "__copy_tofrom_user" [net/bridge/bridge.ko] undefined!

[asm-generic:asm-generic-uaccess-6 6/10] ERROR: modpost: "__copy_tofrom_user" [net/bridge/bridge.ko] undefined!

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git asm-generic-uaccess-6
head:   725a40b8ebf55a6b95e11a6b35717a99afc8ac98
commit: 8ea805cb5e3294c8890c4781f82c03d6cc417bf5 [6/10] microblaze: use generic strncpy/strnlen from_user
config: microblaze-mmu_defconfig (attached as .config)
compiler: microblaze-linux-gcc (GCC) 10.3.0
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/arnd/asm-generic.git/commit/?id=8ea805cb5e3294c8890c4781f82c03d6cc417bf5
        git remote add asm-generic https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git
        git fetch --no-tags asm-generic asm-generic-uaccess-6
        git checkout 8ea805cb5e3294c8890c4781f82c03d6cc417bf5
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=microblaze 

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

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

>> ERROR: modpost: "__copy_tofrom_user" [net/bridge/bridge.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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Re: [asm-generic:asm-generic-uaccess-6 6/10] ERROR: modpost: "__copy_tofrom_user" [net/bridge/bridge.ko] undefined!

[Arnd Bergmann]

On Tue, Jul 27, 2021 at 10:27 PM kernel test robot <lkp@intel.com> wrote:
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git asm-generic-uaccess-6
> head:   725a40b8ebf55a6b95e11a6b35717a99afc8ac98
> commit: 8ea805cb5e3294c8890c4781f82c03d6cc417bf5 [6/10] microblaze: use generic strncpy/strnlen from_user
> config: microblaze-mmu_defconfig (attached as .config)
> compiler: microblaze-linux-gcc (GCC) 10.3.0
> 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/arnd/asm-generic.git/commit/?id=8ea805cb5e3294c8890c4781f82c03d6cc417bf5
>         git remote add asm-generic https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git
>         git fetch --no-tags asm-generic asm-generic-uaccess-6
>         git checkout 8ea805cb5e3294c8890c4781f82c03d6cc417bf5
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=microblaze
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>, old ones prefixed by <<):
>
> >> ERROR: modpost: "__copy_tofrom_user" [net/bridge/bridge.ko] undefined!

Ah, I removed the wrong export, fixed now.

        Arnd