Re: [PATCH] powerpc: Make some symbols static

From: yukuai (C)
Date: Wed Apr 07 2021 - 21:11:24 EST


On 2021/04/08 0:57, kernel test robot wrote:
Hi Yu,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.12-rc6 next-20210407]
[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]

url: https://github.com/0day-ci/linux/commits/Yu-Kuai/powerpc-Make-some-symbols-static/20210407-205258
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc64-defconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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://github.com/0day-ci/linux/commit/7c0f3f68006b9b42ce944b02a2059128cc5826ec
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Yu-Kuai/powerpc-Make-some-symbols-static/20210407-205258
git checkout 7c0f3f68006b9b42ce944b02a2059128cc5826ec
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64

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

All errors (new ones prefixed by >>):

arch/powerpc/kernel/btext.c:49:12: error: 'force_printk_to_btext' defined but not used [-Werror=unused-variable]
49 | static int force_printk_to_btext;
| ^~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors


vim +/force_printk_to_btext +49 arch/powerpc/kernel/btext.c

47
48 static int boot_text_mapped __force_data;
> 49 static int force_printk_to_btext;
50

Will remove this variable in another patch.

Thanks
Yu Kuai

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