linux-kernel - kernel/trace/rv/monitors/wwnr/wwnr.c:18:19: sparse: sparse: symbol 'rv_wwnr' was not declared. Should it be static?

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Message-ID: <202208210358.6HH3OrVs-lkp@intel.com>
Date:   Sun, 21 Aug 2022 03:37:03 +0800
From:   kernel test robot <lkp@...el.com>
To:     Daniel Bristot de Oliveira <bristot@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        "Steven Rostedt (Google)" <rostedt@...dmis.org>
Subject: kernel/trace/rv/monitors/wwnr/wwnr.c:18:19: sparse: sparse: symbol
 'rv_wwnr' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cc1807b9158a909ffe829a5e222be756c57c9a90
commit: ccc319dcb450d57b7befe924453d06804d83ba73 rv/monitor: Add the wwnr monitor
date:   3 weeks ago
config: sparc64-randconfig-s041-20220820 (https://download.01.org/0day-ci/archive/20220821/202208210358.6HH3OrVs-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ccc319dcb450d57b7befe924453d06804d83ba73
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ccc319dcb450d57b7befe924453d06804d83ba73
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 SHELL=/bin/bash kernel/trace/rv/

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

sparse warnings: (new ones prefixed by >>)
   kernel/trace/rv/monitors/wwnr/wwnr.c: note: in included file:
   kernel/trace/rv/monitors/wwnr/wwnr.h:30:23: sparse: sparse: symbol 'automaton_wwnr' was not declared. Should it be static?
>> kernel/trace/rv/monitors/wwnr/wwnr.c:18:19: sparse: sparse: symbol 'rv_wwnr' was not declared. Should it be static?

vim +/rv_wwnr +18 kernel/trace/rv/monitors/wwnr/wwnr.c

    17	
  > 18	struct rv_monitor rv_wwnr;
    19	DECLARE_DA_MON_PER_TASK(wwnr, unsigned char);
    20	

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