[peterz-queue:sched/urgent 6/7] arch/powerpc/kernel/time.c:527:20: error: 'irq_work_pending' redeclared as different kind of symbol

[peterz-queue:sched/urgent 6/7] arch/powerpc/kernel/time.c:527:20: error: 'irq_work_pending' redeclared as different kind of symbol

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/urgent
head:   0602ec6c74e25dcb8a43961b00eef168fafb8e5e
commit: 2726fde5f3900552fcae2d2ac07a05ffba11a491 [6/7] irq_work: Cleanup
config: powerpc-randconfig-r021-20200615 (attached as .config)
compiler: powerpc-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 2726fde5f3900552fcae2d2ac07a05ffba11a491
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

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

In file included from include/asm-generic/percpu.h:7,
from arch/powerpc/include/asm/percpu.h:20,
from include/linux/percpu.h:13,
from include/linux/hrtimer.h:19,
from include/linux/sched.h:20,
from arch/powerpc/kernel/time.c:32:
>> arch/powerpc/kernel/time.c:527:20: error: 'irq_work_pending' redeclared as different kind of symbol
527 | DEFINE_PER_CPU(u8, irq_work_pending);
|                    ^~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:94:44: note: in definition of macro 'DEFINE_PER_CPU_SECTION'
94 |  extern __PCPU_ATTRS(sec) __typeof__(type) name;            |                                            ^~~~
>> arch/powerpc/kernel/time.c:527:1: note: in expansion of macro 'DEFINE_PER_CPU'
527 | DEFINE_PER_CPU(u8, irq_work_pending);
| ^~~~~~~~~~~~~~
In file included from arch/powerpc/kernel/time.c:52:
include/linux/irq_work.h:39:20: note: previous definition of 'irq_work_pending' was here
39 | static inline bool irq_work_pending(struct irq_work *work)
|                    ^~~~~~~~~~~~~~~~

vim +/irq_work_pending +527 arch/powerpc/kernel/time.c

0fe1ac48bef018 Paul Mackerras 2010-04-13  526  
e360adbe29241a Peter Zijlstra 2010-10-14 @527  DEFINE_PER_CPU(u8, irq_work_pending);
0fe1ac48bef018 Paul Mackerras 2010-04-13  528  

:::::: The code at line 527 was first introduced by commit
:::::: e360adbe29241a0194e10e20595360dd7b98a2b3 irq_work: Add generic hardirq context callbacks

:::::: TO: Peter Zijlstra <a.p.zijlstra@chello.nl>
:::::: CC: Ingo Molnar <mingo@elte.hu>

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

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