linux-kernel - Re: [PATCH v2] rcu-tasks: Fix access non-existent percpu rtpcp variable in rcu_tasks_need

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Date: Wed, 5 Jun 2024 11:07:58 +0800
From: kernel test robot <lkp@...el.com>
To: Zqiang <qiang.zhang1211@...il.com>, paulmck@...nel.org,
	frederic@...nel.org, neeraj.upadhyay@...nel.org,
	joel@...lfernandes.org, urezki@...il.com
Cc: oe-kbuild-all@...ts.linux.dev, qiang.zhang1211@...il.com,
	rcu@...r.kernel.org, linux-kernel@...r.kernel.org,
	zhixu.liu@...il.com
Subject: Re: [PATCH v2] rcu-tasks: Fix access non-existent percpu rtpcp
 variable in rcu_tasks_need_gpcb()

Hi Zqiang,

kernel test robot noticed the following build warnings:

[auto build test WARNING on paulmck-rcu/dev]
[also build test WARNING on linus/master v6.10-rc2 next-20240604]
[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/Zqiang/rcu-tasks-Fix-access-non-existent-percpu-rtpcp-variable-in-rcu_tasks_need_gpcb/20240604-165702
base:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev
patch link:    https://lore.kernel.org/r/20240604085401.14733-1-qiang.zhang1211%40gmail.com
patch subject: [PATCH v2] rcu-tasks: Fix access non-existent percpu rtpcp variable in rcu_tasks_need_gpcb()
config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20240605/202406051045.FpU0Oi69-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240605/202406051045.FpU0Oi69-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/202406051045.FpU0Oi69-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/rcu/update.o: warning: objtool: unexpected relocation symbol type in .rela.discard.unreachable

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