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Message-ID: <202201281620.Rwng44TW-lkp@intel.com>
Date:   Fri, 28 Jan 2022 17:05:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     tangmeng <tangmeng@...ontech.com>, tglx@...utronix.de,
        mcgrof@...nel.org, keescook@...omium.org, yzaikin@...gle.com,
        john.stultz@...aro.org, sboyd@...nel.org
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, tangmeng <tangmeng@...ontech.com>
Subject: Re: [PATCH] kernel/time: move timer sysctls to its own file

Hi tangmeng,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/timers/core]
[also build test ERROR on linus/master kees/for-next/pstore v5.17-rc1 next-20220128]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/tangmeng/kernel-time-move-timer-sysctls-to-its-own-file/20220128-145647
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 35e13e9da9afbce13c1d36465504ece4e65f24fe
config: arc-randconfig-r012-20220128 (https://download.01.org/0day-ci/archive/20220128/202201281620.Rwng44TW-lkp@intel.com/config)
compiler: arc-elf-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://github.com/0day-ci/linux/commit/5b925ed59a284ee735fd46cb2afa74858509887b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review tangmeng/kernel-time-move-timer-sysctls-to-its-own-file/20220128-145647
        git checkout 5b925ed59a284ee735fd46cb2afa74858509887b
        # 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=arc SHELL=/bin/bash kernel/time/

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/time/timer.c: In function 'init_timers':
>> kernel/time/timer.c:2047:9: error: implicit declaration of function 'timer_sysctl_init'; did you mean 'sysctl_init'? [-Werror=implicit-function-declaration]
    2047 |         timer_sysctl_init();
         |         ^~~~~~~~~~~~~~~~~
         |         sysctl_init
   In file included from include/linux/perf_event.h:25,
                    from include/linux/trace_events.h:10,
                    from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:88,
                    from kernel/time/timer.c:35:
   At top level:
   arch/arc/include/asm/perf_event.h:126:27: warning: 'arc_pmu_cache_map' defined but not used [-Wunused-const-variable=]
     126 | static const unsigned int arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
         |                           ^~~~~~~~~~~~~~~~~
   arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined but not used [-Wunused-const-variable=]
      91 | static const char * const arc_pmu_ev_hw_map[] = {
         |                           ^~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +2047 kernel/time/timer.c

  2041	
  2042	void __init init_timers(void)
  2043	{
  2044		init_timer_cpus();
  2045		posix_cputimers_init_work();
  2046		open_softirq(TIMER_SOFTIRQ, run_timer_softirq);
> 2047		timer_sysctl_init();
  2048	}
  2049	

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

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