Received-SPF: pass (google.com: domain of linux-kernel+bounces-125097-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1;
Date: Fri, 29 Mar 2024 22:46:01 +0800
From: kernel test robot <lkp@intel.com>
To: Lai Jiangshan <jiangshanlai@gmail.com>, linux-kernel@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev, rcu@vger.kernel.org, x86@kernel.org,
	Lai Jiangshan <jiangshan.ljs@antgroup.com>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 10/10] x86/rcu: Add THUNK rcu_read_unlock_special_thunk
Message-ID: <202403292233.1m5tWJY5-lkp@intel.com>
References: <20240328075318.83039-11-jiangshanlai@gmail.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20240328075318.83039-11-jiangshanlai@gmail.com>

Hi Lai,

kernel test robot noticed the following build errors:

[auto build test ERROR on paulmck-rcu/dev]
[also build test ERROR on tip/locking/core tip/sched/core tip/x86/asm tip/master linus/master v6.9-rc1 next-20240328]
[cannot apply to tip/x86/core tip/auto-latest]
[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/Lai-Jiangshan/lib-Use-rcu_preempt_depth-to-replace-current-rcu_read_lock_nesting/20240328-155513
base:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev
patch link:    https://lore.kernel.org/r/20240328075318.83039-11-jiangshanlai%40gmail.com
patch subject: [PATCH 10/10] x86/rcu: Add THUNK rcu_read_unlock_special_thunk
config: i386-alldefconfig (https://download.01.org/0day-ci/archive/20240329/202403292233.1m5tWJY5-lkp@intel.com/config)
compiler: gcc-12 (Ubuntu 12.3.0-9ubuntu2) 12.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240329/202403292233.1m5tWJY5-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403292233.1m5tWJY5-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: init/main.o: in function `rest_init':
>> main.c:(.ref.text+0x96): undefined reference to `rcu_read_unlock_special_thunk'
>> ld: main.c:(.ref.text+0x9d): undefined reference to `rcu_read_unlock_special_thunk'
   ld: arch/x86/events/intel/ds.o: in function `intel_pmu_drain_bts_buffer':
>> ds.c:(.text+0x2cd9): undefined reference to `rcu_read_unlock_special_thunk'
   ld: arch/x86/kernel/nmi.o: in function `nmi_handle':
>> nmi.c:(.text+0x2e9): undefined reference to `rcu_read_unlock_special_thunk'
   ld: arch/x86/kernel/alternative.o: in function `__text_poke':
>> alternative.c:(.text+0x531): undefined reference to `rcu_read_unlock_special_thunk'
   ld: arch/x86/mm/init.o:init.c:(.init.text+0xf1): more undefined references to `rcu_read_unlock_special_thunk' follow

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