[luto:sched/lazymm 12/17] nds32le-linux-ld: idle.c:undefined reference to `unlazy_mm_irqs_off'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git sched/lazymm
head:   fbea7977edc16ae85f8e2255b084bc2403801327
commit: a3d2a94bc79f367c31d3962f3957dfe0ded13b58 [12/17] Rework "sched/core: Fix illegal RCU from offline CPUs"
config: nds32-randconfig-r014-20211228 (https://download.01.org/0day-ci/archive/20211229/202112291221.C6LzfqOg-lkp@xxxxxxxxx/config)
compiler: nds32le-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?id=a3d2a94bc79f367c31d3962f3957dfe0ded13b58
        git remote add luto https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git
        git fetch --no-tags luto sched/lazymm
        git checkout a3d2a94bc79f367c31d3962f3957dfe0ded13b58
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   nds32le-linux-ld: kernel/sched/idle.o: in function `do_idle':
   idle.c:(.text+0x1b0): undefined reference to `unlazy_mm_irqs_off'
>> nds32le-linux-ld: idle.c:(.text+0x1b4): undefined reference to `unlazy_mm_irqs_off'

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