linux-kernel - Re: [PATCH 2/5] sched: Split out kernel/sched/fair

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Message-ID: <202404071704.0xE8telk-lkp@intel.com>
Date: Sun, 7 Apr 2024 18:04:40 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Peter Zijlstra <peterz@...radead.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Shrikanth Hegde <sshegde@...ux.ibm.com>,
	Valentin Schneider <vschneid@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH 2/5] sched: Split out kernel/sched/fair_balance.c from
 kernel/sched/fair.c

Hi Ingo,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/sched/core]
[cannot apply to linux/master linus/master peterz-queue/sched/core v6.9-rc2]
[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/Ingo-Molnar/sched-Split-out-kernel-sched-syscalls-c-from-kernel-sched-core-c/20240407-164646
base:   tip/sched/core
patch link:    https://lore.kernel.org/r/20240407084319.1462211-3-mingo%40kernel.org
patch subject: [PATCH 2/5] sched: Split out kernel/sched/fair_balance.c from kernel/sched/fair.c
config: arc-defconfig (https://download.01.org/0day-ci/archive/20240407/202404071704.0xE8telk-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240407/202404071704.0xE8telk-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/202404071704.0xE8telk-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from kernel/sched/core.c:87:
>> kernel/sched/sched.h:3611:22: warning: 'task_h_load' defined but not used [-Wunused-function]
    3611 | static unsigned long task_h_load(struct task_struct *p)
         |                      ^~~~~~~~~~~
--
   arc-elf-ld: kernel/sched/fair.o: in function `switched_from_fair':
>> fair.c:(.text+0x1f0): undefined reference to `update_tg_load_avg'
>> arc-elf-ld: fair.c:(.text+0x1f0): undefined reference to `update_tg_load_avg'
   arc-elf-ld: kernel/sched/fair.o: in function `rq_offline_fair':
>> fair.c:(.text+0x766): undefined reference to `clear_tg_offline_cfs_rqs'
>> arc-elf-ld: fair.c:(.text+0x766): undefined reference to `clear_tg_offline_cfs_rqs'
   arc-elf-ld: fair.c:(.text+0x774): undefined reference to `clear_tg_offline_cfs_rqs'
   arc-elf-ld: fair.c:(.text+0x774): undefined reference to `clear_tg_offline_cfs_rqs'
   arc-elf-ld: kernel/sched/fair.o: in function `switched_to_fair':
   fair.c:(.text+0x158a): undefined reference to `update_tg_load_avg'
   arc-elf-ld: fair.c:(.text+0x158a): undefined reference to `update_tg_load_avg'
   arc-elf-ld: kernel/sched/fair_balance.o: in function `update_load_avg':
>> fair_balance.c:(.text+0x12c8): undefined reference to `update_tg_load_avg'
>> arc-elf-ld: fair_balance.c:(.text+0x12c8): undefined reference to `update_tg_load_avg'

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