[PATCH] powerpc/powernv: machine check handler for POWER10

[kernel test robot]

Hi Nicholas,

I love your patch! Perhaps something to improve:

[auto build test WARNING on powerpc/next]
[also build test WARNING on v5.8-rc3 next-20200702]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Nicholas-Piggin/powerpc-powernv-machine-check-handler-for-POWER10/20200703-073739
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allyesconfig (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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

All warnings (new ones prefixed by >>):

   arch/powerpc/kernel/mce_power.c:709:6: warning: no previous prototype for '__machine_check_early_realmode_p7' [-Wmissing-prototypes]
     709 | long __machine_check_early_realmode_p7(struct pt_regs *regs)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/kernel/mce_power.c:717:6: warning: no previous prototype for '__machine_check_early_realmode_p8' [-Wmissing-prototypes]
     717 | long __machine_check_early_realmode_p8(struct pt_regs *regs)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/kernel/mce_power.c:722:6: warning: no previous prototype for '__machine_check_early_realmode_p9' [-Wmissing-prototypes]
     722 | long __machine_check_early_realmode_p9(struct pt_regs *regs)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/powerpc/kernel/mce_power.c:740:6: warning: no previous prototype for '__machine_check_early_realmode_p10' [-Wmissing-prototypes]
     740 | long __machine_check_early_realmode_p10(struct pt_regs *regs)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/__machine_check_early_realmode_p10 +740 arch/powerpc/kernel/mce_power.c

   739	
 > 740	long __machine_check_early_realmode_p10(struct pt_regs *regs)

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