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

From: kernel test robot
Date: Tue Aug 23 2022 - 19:43:18 EST


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@xxxxxxxxx/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@xxxxxxxxx>

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,

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