linux-kernel - [morse:mpam/snapshot/v5.15 62/139] fs/resctrl/rdtgroup.c:1644:13: warning: no previous prototype for function 'thread_throttle_mode

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Date:   Sat, 13 Nov 2021 11:22:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     James Morse <james.morse@....com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [morse:mpam/snapshot/v5.15 62/139] fs/resctrl/rdtgroup.c:1644:13:
 warning: no previous prototype for function 'thread_throttle_mode_init'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v5.15
head:   ce3629841262f725a5f3a327403fcaf0e604a85e
commit: 016782894eb4694b95d6b67f4b1794cde795482c [62/139] x86/resctrl: Move the restrl code to fs
config: x86_64-buildonly-randconfig-r001-20211112 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dddeeafb529e769cde87bd29ef6271ac6bfa5c)
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/morse/linux.git/commit/?id=016782894eb4694b95d6b67f4b1794cde795482c
        git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git
        git fetch --no-tags morse mpam/snapshot/v5.15
        git checkout 016782894eb4694b95d6b67f4b1794cde795482c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

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 >>):

>> fs/resctrl/rdtgroup.c:1644:13: warning: no previous prototype for function 'thread_throttle_mode_init' [-Wmissing-prototypes]
   void __init thread_throttle_mode_init(void)
               ^
   fs/resctrl/rdtgroup.c:1644:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init thread_throttle_mode_init(void)
   ^
   static 
   1 warning generated.


vim +/thread_throttle_mode_init +1644 fs/resctrl/rdtgroup.c

  1643	
> 1644	void __init thread_throttle_mode_init(void)
  1645	{
  1646		struct rftype *rft;
  1647	
  1648		rft = rdtgroup_get_rftype_by_name("thread_throttle_mode");
  1649		if (!rft)
  1650			return;
  1651	
  1652		rft->fflags = RF_CTRL_INFO | RFTYPE_RES_MB;
  1653	}
  1654	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (41233 bytes)