linux-kernel - [mingo-tip:sched/headers 124/2308] arch/arm64/kernel/../../../kernel/sched/per_task_area_struct_defs.h:13:13: warning: no previous prototype for 'per_task

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:   Wed, 16 Mar 2022 09:42:59 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 124/2308]
 arch/arm64/kernel/../../../kernel/sched/per_task_area_struct_defs.h:13:13:
 warning: no previous prototype for 'per_task_common'

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   ef90a8d1de7ff54bfd0fcfe6371c20f544b14d6d
commit: 6495b5a520813aafdd9d4a284fd10cce582fd0cf [124/2308] headers/deps: per_task, arm64, x86: Convert task_struct::thread to a per_task() field
config: arm64-buildonly-randconfig-r005-20220314 (https://download.01.org/0day-ci/archive/20220316/202203160910.Zc3pBtKp-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
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/mingo/tip.git/commit/?id=6495b5a520813aafdd9d4a284fd10cce582fd0cf
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip sched/headers
        git checkout 6495b5a520813aafdd9d4a284fd10cce582fd0cf
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 prepare

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 >>):

   In file included from arch/arm64/kernel/asm-offsets.c:29:
>> arch/arm64/kernel/../../../kernel/sched/per_task_area_struct_defs.h:13:13: warning: no previous prototype for 'per_task_common' [-Wmissing-prototypes]
      13 | void __used per_task_common(void)
         |             ^~~~~~~~~~~~~~~
--
   In file included from arch/arm64/kernel/asm-offsets.c:29:
>> arch/arm64/kernel/../../../kernel/sched/per_task_area_struct_defs.h:13:13: warning: no previous prototype for 'per_task_common' [-Wmissing-prototypes]
      13 | void __used per_task_common(void)
         |             ^~~~~~~~~~~~~~~


vim +/per_task_common +13 arch/arm64/kernel/../../../kernel/sched/per_task_area_struct_defs.h

ef23e8859af031 Ingo Molnar 2021-09-05  11  
ef23e8859af031 Ingo Molnar 2021-09-05  12  
329a7c8b0e1476 Ingo Molnar 2022-01-04 @13  void __used per_task_common(void)
329a7c8b0e1476 Ingo Molnar 2022-01-04  14  {
329a7c8b0e1476 Ingo Molnar 2022-01-04  15  #include "per_task_area_struct_template.h"
329a7c8b0e1476 Ingo Molnar 2022-01-04  16  }
ef23e8859af031 Ingo Molnar 2021-09-05  17  

:::::: The code at line 13 was first introduced by commit
:::::: 329a7c8b0e147609f9a11b60795e94d40251c76a headers/deps: per_task: Implement single template to define 'struct task_struct_per_task' fields and offsets

:::::: TO: Ingo Molnar <mingo@...nel.org>
:::::: CC: Ingo Molnar <mingo@...nel.org>

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