Re: [RFC PATCH v3] sched/fair: select idle cpu from idle cpumask for task wakeup

[kernel test robot <lkp@intel.com>]

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Hi Aubrey,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on tip/sched/core]
[also build test ERROR on tip/master linus/master linux/master v5.9]
[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]

url:    https://github.com/0day-ci/linux/commits/Aubrey-Li/sched-fair-select-idle-cpu-from-idle-cpumask-for-task-wakeup/20201021-230800
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git feff2e65efd8d84cf831668e182b2ce73c604bbb
config: arc-defconfig (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/dbfb0d54ab82b9a27e28a8b850cfe1f1f542991a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Aubrey-Li/sched-fair-select-idle-cpu-from-idle-cpumask-for-task-wakeup/20201021-230800
        git checkout dbfb0d54ab82b9a27e28a8b850cfe1f1f542991a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arc-elf-ld: kernel/sched/fair.o: in function `trigger_load_balance':
>> fair.c:(.text+0x764e): undefined reference to `update_idle_cpumask'
>> arc-elf-ld: fair.c:(.text+0x764e): undefined reference to `update_idle_cpumask'
   arc-elf-ld: fair.c:(.text+0x7694): undefined reference to `update_idle_cpumask'
   arc-elf-ld: fair.c:(.text+0x7694): undefined reference to `update_idle_cpumask'
   arc-elf-ld: kernel/sched/idle.o: in function `set_next_task_idle':
   idle.c:(.text+0x30): undefined reference to `update_idle_cpumask'
   arc-elf-ld: kernel/sched/idle.o:idle.c:(.text+0x30): more undefined references to `update_idle_cpumask' follow

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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