Re: [PATCH v2 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info

[kbuild test robot <lkp@intel.com>]

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Hi Hari,

[auto build test ERROR on tip/perf/core]
[also build test ERROR on v4.9-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Hari-Bathini/perf-add-support-for-analyzing-events-for-containers/20161125-061105
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

   kernel/fork.c: In function 'SYSC_unshare':
>> kernel/fork.c:2284:3: error: implicit declaration of function 'perf_event_namespaces' [-Werror=implicit-function-declaration]
      perf_event_namespaces(current);
      ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   kernel/nsproxy.c: In function 'SYSC_setns':
>> kernel/nsproxy.c:270:3: error: implicit declaration of function 'perf_event_namespaces' [-Werror=implicit-function-declaration]
      perf_event_namespaces(tsk);
      ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/perf_event_namespaces +2284 kernel/fork.c

  2278	bad_unshare_cleanup_fs:
  2279		if (new_fs)
  2280			free_fs_struct(new_fs);
  2281	
  2282	bad_unshare_out:
  2283		if (!err)
> 2284			perf_event_namespaces(current);
  2285	
  2286		return err;
  2287	}

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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