linux-kernel - [jsarha:topic/chromeos-4.19-s0ix 9206/9999] kernel/gcov/gcc_4_7.c:162:16: error: implicit declaration of function 'within_module'; did you mean 'init

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Date:   Tue, 12 Apr 2022 01:52:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Greg Hackmann <ghackmann@...roid.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tri Vo <trong@...roid.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Yu Zhao <yuzhao@...gle.com>, Sean Paul <seanpaul@...omium.org>
Subject: [jsarha:topic/chromeos-4.19-s0ix 9206/9999]
 kernel/gcov/gcc_4_7.c:162:16: error: implicit declaration of function
 'within_module'; did you mean 'init_module'?

Hi Greg,

FYI, the error/warning still remains.

tree:   https://github.com/jsarha/linux topic/chromeos-4.19-s0ix
head:   430bdaa0a8c38697780f45a148964d71951df11f
commit: 35be48648a6552869bd5d6c9a0d278102d23d46c [9206/9999] UPSTREAM: gcov: clang support
config: openrisc-randconfig-s032-20220411 (https://download.01.org/0day-ci/archive/20220412/202204120122.ULP2Vs6G-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 11.2.0
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-dirty
        # https://github.com/jsarha/linux/commit/35be48648a6552869bd5d6c9a0d278102d23d46c
        git remote add jsarha https://github.com/jsarha/linux
        git fetch --no-tags jsarha topic/chromeos-4.19-s0ix
        git checkout 35be48648a6552869bd5d6c9a0d278102d23d46c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=openrisc SHELL=/bin/bash M=kernel/gcov

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

All errors (new ones prefixed by >>):

   kernel/gcov/gcc_4_7.c: In function 'gcov_info_within_module':
>> kernel/gcov/gcc_4_7.c:162:16: error: implicit declaration of function 'within_module'; did you mean 'init_module'? [-Werror=implicit-function-declaration]
     162 |         return within_module((unsigned long)info, mod);
         |                ^~~~~~~~~~~~~
         |                init_module
   cc1: some warnings being treated as errors


vim +162 kernel/gcov/gcc_4_7.c

   152	
   153	/**
   154	 * gcov_info_within_module - check if a profiling data set belongs to a module
   155	 * @info: profiling data set
   156	 * @mod: module
   157	 *
   158	 * Returns true if profiling data belongs module, false otherwise.
   159	 */
   160	bool gcov_info_within_module(struct gcov_info *info, struct module *mod)
   161	{
 > 162		return within_module((unsigned long)info, mod);
   163	}
   164	

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