linux-kernel - Re: [PATCH v1] Ftrace: make sched_wakeup can focus on the target process

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Message-ID: <202310110813.FxuaTrH0-lkp@intel.com>
Date:   Wed, 11 Oct 2023 09:13:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jinyu Tang <tangjinyu@...ylab.org>, rostedt@...dmis.org,
        mhiramat@...nel.org, bristot@...nel.org
Cc:     oe-kbuild-all@...ts.linux.dev, ttjjyystupid@....com,
        falcon@...ylab.org, wangjiexun@...ylab.org,
        linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jinyu Tang <tangjinyu@...ylab.org>
Subject: Re: [PATCH v1] Ftrace: make sched_wakeup can focus on the target
 process

Hi Jinyu,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on rostedt-trace/for-next v6.6-rc5 next-20231010]
[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/Jinyu-Tang/Ftrace-make-sched_wakeup-can-focus-on-the-target-process/20231009-234127
base:   linus/master
patch link:    https://lore.kernel.org/r/20231009153714.10743-1-tangjinyu%40tinylab.org
patch subject: [PATCH v1] Ftrace: make sched_wakeup can focus on the target process
config: i386-randconfig-062-20231010 (https://download.01.org/0day-ci/archive/20231011/202310110813.FxuaTrH0-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231011/202310110813.FxuaTrH0-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310110813.FxuaTrH0-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> kernel/trace/trace_sched_wakeup.c:368:1: sparse: sparse: symbol 'sched_wakeup_mutex' was not declared. Should it be static?

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