linux-kernel - [jcmvbkbc-xtensa:xtensa-5.18-kprobes 43/46] arch/xtensa/kernel/patching.c:41:16: warning: no previous prototype for 'xtensa_patch

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Date:   Sun, 15 May 2022 07:01:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Max Filippov <jcmvbkbc@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [jcmvbkbc-xtensa:xtensa-5.18-kprobes 43/46]
 arch/xtensa/kernel/patching.c:41:16: warning: no previous prototype for
 'xtensa_patch_text'

tree:   https://github.com/jcmvbkbc/linux-xtensa xtensa-5.18-kprobes
head:   8d9b04fec534d588aeb00d6003276eebf2eb73e0
commit: 74da1e3bad8529ecb3c103033fda53ea2a40e5e1 [43/46] xtensa: extract instruction patching from jump label code
config: xtensa-allyesconfig (https://download.01.org/0day-ci/archive/20220515/202205150645.bh32cVqn-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 11.3.0
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/jcmvbkbc/linux-xtensa/commit/74da1e3bad8529ecb3c103033fda53ea2a40e5e1
        git remote add jcmvbkbc-xtensa https://github.com/jcmvbkbc/linux-xtensa
        git fetch --no-tags jcmvbkbc-xtensa xtensa-5.18-kprobes
        git checkout 74da1e3bad8529ecb3c103033fda53ea2a40e5e1
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=xtensa SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> arch/xtensa/kernel/patching.c:41:16: warning: no previous prototype for 'xtensa_patch_text' [-Wmissing-prototypes]
      41 | void __kprobes xtensa_patch_text(unsigned long addr, const void *data,
         |                ^~~~~~~~~~~~~~~~~


vim +/xtensa_patch_text +41 arch/xtensa/kernel/patching.c

    40	
  > 41	void __kprobes xtensa_patch_text(unsigned long addr, const void *data,

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