Re: [PATCH v2] [RFC] trace: Add kprobe on tracepoint

From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v2] [RFC] trace: Add kprobe on tracepoint
Date: Tue, 10 Aug 2021 22:54:37 +0800	[thread overview]
Message-ID: <202108102249.HX31986j-lkp@intel.com> (raw)
In-Reply-To: <20210810112108.1663174-1-tz.stoyanov@gmail.com>

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Hi "Tzvetomir,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on v5.14-rc5]
[also build test WARNING on next-20210810]
[cannot apply to tip/perf/core]
[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/Tzvetomir-Stoyanov-VMware/trace-Add-kprobe-on-tracepoint/20210810-192225
base:    36a21d51725af2ce0700c6ebcb6b9594aac658a6
config: hexagon-randconfig-r041-20210810 (attached as .config)
compiler: clang version 12.0.0
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/e3bec14eb58da9408eba8ccc55c9f5cf4e1ff114
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Tzvetomir-Stoyanov-VMware/trace-Add-kprobe-on-tracepoint/20210810-192225
        git checkout e3bec14eb58da9408eba8ccc55c9f5cf4e1ff114
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=hexagon 

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

All warnings (new ones prefixed by >>):

>> kernel/trace/trace_eprobe.c:46:6: warning: no previous prototype for function 'trace_event_probe_cleanup' [-Wmissing-prototypes]
   void trace_event_probe_cleanup(struct trace_eprobe *ep)
        ^
   kernel/trace/trace_eprobe.c:46:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void trace_event_probe_cleanup(struct trace_eprobe *ep)
   ^
   static 
   1 warning generated.

vim +/trace_event_probe_cleanup +46 kernel/trace/trace_eprobe.c

    45	
  > 46	void trace_event_probe_cleanup(struct trace_eprobe *ep)
    47	{
    48		trace_probe_cleanup(&ep->tp);
    49		kfree(ep->event_name);
    50		kfree(ep->event_system);
    51		if (ep->event)
    52			module_put(ep->event->mod);
    53		kfree(ep);
    54	}
    55	

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

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