linux-kernel - Re: [PATCH v2 4/9] eventfs: adding eventfs file, directory remove function

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Date:   Wed, 3 May 2023 06:15:11 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ajay Kaher <akaher@...are.com>, rostedt@...dmis.org,
        mhiramat@...nel.org, shuah@...nel.org
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-trace-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, chinglinyu@...gle.com,
        namit@...are.com, srivatsab@...are.com, srivatsa@...il.mit.edu,
        amakhalov@...are.com, vsirnapalli@...are.com, tkundu@...are.com,
        er.ajay.kaher@...il.com, Ajay Kaher <akaher@...are.com>
Subject: Re: [PATCH v2 4/9] eventfs: adding eventfs file, directory remove
 function

Hi Ajay,

kernel test robot noticed the following build warnings:

[auto build test WARNING on shuah-kselftest/next]
[also build test WARNING on shuah-kselftest/fixes linus/master rostedt-trace/for-next v6.3 next-20230428]
[cannot apply to rostedt-trace/for-next-urgent]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ajay-Kaher/eventfs-introducing-struct-tracefs_inode/20230502-192949
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link:    https://lore.kernel.org/r/1683026600-13485-5-git-send-email-akaher%40vmware.com
patch subject: [PATCH v2 4/9] eventfs: adding eventfs file, directory remove function
config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20230503/202305030611.Kas747Ev-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/9a36b39da0c3fbfe15a3c3a0ed71b52013bac292
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Ajay-Kaher/eventfs-introducing-struct-tracefs_inode/20230502-192949
        git checkout 9a36b39da0c3fbfe15a3c3a0ed71b52013bac292
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash fs/tracefs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305030611.Kas747Ev-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/tracefs/event_inode.c:379:6: sparse: sparse: symbol 'eventfs_remove_rec' was not declared. Should it be static?

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests