linux-kernel - arch/mips/kernel/jump_label.c:93:6: warning: no previous prototype for 'jump_label_apply

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Message-ID: <202208030454.88LesR4N-lkp@intel.com>
Date:   Wed, 3 Aug 2022 04:09:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/mips/kernel/jump_label.c:93:6: warning: no previous prototype
 for 'jump_label_apply_nops'

Hi Ard,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c1dbe9a1c86da098a29dcdca1a67b65e2de7ec3a
commit: fdfd42892f311e2b3695852036e5be23661dc590 jump_label: mips: move module NOP patching into arch code
date:   6 weeks ago
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220803/202208030454.88LesR4N-lkp@intel.com/config)
compiler: mips-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/torvalds/linux.git/commit/?id=fdfd42892f311e2b3695852036e5be23661dc590
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout fdfd42892f311e2b3695852036e5be23661dc590
        # 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=mips SHELL=/bin/bash arch/mips/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/mips/kernel/jump_label.c:93:6: warning: no previous prototype for 'jump_label_apply_nops' [-Wmissing-prototypes]
      93 | void jump_label_apply_nops(struct module *mod)
         |      ^~~~~~~~~~~~~~~~~~~~~


vim +/jump_label_apply_nops +93 arch/mips/kernel/jump_label.c

    91	
    92	#ifdef CONFIG_MODULES
  > 93	void jump_label_apply_nops(struct module *mod)

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