linux-kernel - [mark:arm64/alternatives/rework 15/18] arch/arm64/kernel/alternative.c:269:14: warning: no previous prototype for 'alt_cb_patch

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Date:   Wed, 24 Aug 2022 07:42:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mark:arm64/alternatives/rework 15/18]
 arch/arm64/kernel/alternative.c:269:14: warning: no previous prototype for
 'alt_cb_patch_nops'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/alternatives/rework
head:   fad62c713602c963008575fd972d316569a32d12
commit: e5a9b245aeab3e0d83fbc7f9861351e8bb0e4823 [15/18] arm64: alternatives: add shared NOP callback
config: arm64-buildonly-randconfig-r005-20220823 (https://download.01.org/0day-ci/archive/20220824/202208240724.xuA9twFW-lkp@intel.com/config)
compiler: aarch64-linux-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/mark/linux.git/commit/?id=e5a9b245aeab3e0d83fbc7f9861351e8bb0e4823
        git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark arm64/alternatives/rework
        git checkout e5a9b245aeab3e0d83fbc7f9861351e8bb0e4823
        # 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=arm64 SHELL=/bin/bash arch/arm64/kernel/

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

All warnings (new ones prefixed by >>):

>> arch/arm64/kernel/alternative.c:269:14: warning: no previous prototype for 'alt_cb_patch_nops' [-Wmissing-prototypes]
     269 | noinstr void alt_cb_patch_nops(struct alt_instr *alt, __le32 *origptr,
         |              ^~~~~~~~~~~~~~~~~


vim +/alt_cb_patch_nops +269 arch/arm64/kernel/alternative.c

   268	
 > 269	noinstr void alt_cb_patch_nops(struct alt_instr *alt, __le32 *origptr,

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp