[tip:WIP.sched/core 7/9] smp.c:undefined reference to `irq_work_single'

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core
head:   68a1740c687d4a75b9e9dea0ab0aae61f167c880
commit: 5033cfdeb4a2a51fa847b1a3f5f6eee65dda6c75 [7/9] irq_work, smp: Allow irq_work on call_single_queue
config: s390-allnoconfig (attached as .config)
compiler: s390-linux-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
        git checkout 5033cfdeb4a2a51fa847b1a3f5f6eee65dda6c75
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

s390-linux-ld: kernel/smp.o: in function `flush_smp_call_function_queue':
<< kernel/smp.c:799: warning: cannot understand function prototype: 'struct smp_call_on_cpu_struct '
>> smp.c:(.text+0x110): undefined reference to `irq_work_single'

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

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