[akpm-mm:mm-nonmm-unstable 69/70] panic.c:undefined reference to `arch_trigger_cpumask_backtrace'

[akpm-mm:mm-nonmm-unstable 69/70] panic.c:undefined reference to `arch_trigger_cpumask_backtrace'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
head:   2f300c1db6849096050b341817208f97d55586b9
commit: 7cf0441a9e57e752c39bb70ceb2e74bbf66ec958 [69/70] powerpc: move arch_trigger_cpumask_backtrace from nmi.h to irq.h
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230623/202306230940.cAAzoBuj-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230623/202306230940.cAAzoBuj-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306230940.cAAzoBuj-lkp@intel.com/

All errors (new ones prefixed by >>):

   powerpc-linux-ld: kernel/panic.o: in function `panic':
>> panic.c:(.text+0xa9c): undefined reference to `arch_trigger_cpumask_backtrace'
>> powerpc-linux-ld: panic.c:(.text+0xae0): undefined reference to `arch_trigger_cpumask_backtrace'
   powerpc-linux-ld: kernel/panic.o: in function `oops_enter':
   panic.c:(.text+0x1518): undefined reference to `arch_trigger_cpumask_backtrace'
   powerpc-linux-ld: kernel/sched/core.o: in function `dump_cpu_task':
>> core.c:(.text+0x1dd70): undefined reference to `arch_trigger_cpumask_backtrace'
   powerpc-linux-ld: kernel/hung_task.o: in function `check_hung_uninterruptible_tasks':
>> hung_task.c:(.text+0x11e0): undefined reference to `arch_trigger_cpumask_backtrace'
   powerpc-linux-ld: kernel/watchdog.o:watchdog.c:(.text+0x8f0): more undefined references to `arch_trigger_cpumask_backtrace' follow

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

Re: [akpm-mm:mm-nonmm-unstable 69/70] panic.c:undefined reference to `arch_trigger_cpumask_backtrace'

[Doug Anderson]

Hi,

On Thu, Jun 22, 2023 at 6:27 PM kernel test robot <lkp@intel.com> wrote:
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
> head:   2f300c1db6849096050b341817208f97d55586b9
> commit: 7cf0441a9e57e752c39bb70ceb2e74bbf66ec958 [69/70] powerpc: move arch_trigger_cpumask_backtrace from nmi.h to irq.h
> config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230623/202306230940.cAAzoBuj-lkp@intel.com/config)
> compiler: powerpc-linux-gcc (GCC) 12.3.0
> reproduce: (https://download.01.org/0day-ci/archive/20230623/202306230940.cAAzoBuj-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@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202306230940.cAAzoBuj-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
>    powerpc-linux-ld: kernel/panic.o: in function `panic':
> >> panic.c:(.text+0xa9c): undefined reference to `arch_trigger_cpumask_backtrace'
> >> powerpc-linux-ld: panic.c:(.text+0xae0): undefined reference to `arch_trigger_cpumask_backtrace'
>    powerpc-linux-ld: kernel/panic.o: in function `oops_enter':
>    panic.c:(.text+0x1518): undefined reference to `arch_trigger_cpumask_backtrace'
>    powerpc-linux-ld: kernel/sched/core.o: in function `dump_cpu_task':
> >> core.c:(.text+0x1dd70): undefined reference to `arch_trigger_cpumask_backtrace'
>    powerpc-linux-ld: kernel/hung_task.o: in function `check_hung_uninterruptible_tasks':
> >> hung_task.c:(.text+0x11e0): undefined reference to `arch_trigger_cpumask_backtrace'
>    powerpc-linux-ld: kernel/watchdog.o:watchdog.c:(.text+0x8f0): more undefined references to `arch_trigger_cpumask_backtrace' follow

Argh. Since this is in Andrew's unstable, I'll send a v2 of my patch right away.

-Doug