[arm-platforms:hack/arm64-early-cpufeature 12/21] arch/arm64/kernel/idreg-override.c:110:24: warning: no previous prototype for 'init_feature_override'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git hack/arm64-early-cpufeature
head:   d579be323edcd4d5660e838e75270291dd4e57a5
commit: 06c953f1897c305fe88d1df378763aeee6a9a58e [12/21] arm64: cpufeature: Add an early command-line cpufeature override facility
config: arm64-randconfig-r021-20210124 (attached as .config)
compiler: aarch64-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://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?id=06c953f1897c305fe88d1df378763aeee6a9a58e
        git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
        git fetch --no-tags arm-platforms hack/arm64-early-cpufeature
        git checkout 06c953f1897c305fe88d1df378763aeee6a9a58e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

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/arm64/kernel/idreg-override.c:110:24: warning: no previous prototype for 'init_feature_override' [-Wmissing-prototypes]
     110 | asmlinkage void __init init_feature_override(void)
         |                        ^~~~~~~~~~~~~~~~~~~~~


vim +/init_feature_override +110 arch/arm64/kernel/idreg-override.c

   108	
   109	void init_shadow_regs(void);
 > 110	asmlinkage void __init init_feature_override(void)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 46395 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20210125/5329923b/attachment-0001.gz>