Re: [linuxppc:next-test 3/13] ld.lld: error: undefined symbol: irq_proc_emit_counts

[Shrikanth Hegde <sshegde@linux.ibm.com>]

Thanks for the report.

On 9/27/26 1:12 PM, kernel test robot wrote:
> tree:   https://github.com/linuxppc/linux next-test
> head:   12d238d584ba485a99e02e033746100fc7099184
> commit: fbb22ceaaf8f9c6786e6ff5da1962fe6ac0fc904 [3/13] powerpc/irq: Make irqstats array based
> config: powerpc64-randconfig-1001-20260927 (https://download.01.org/0day-ci/archive/20260927/202609271531.8kf2NTjK-lkp@intel.com/config)
> compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260927/202609271531.8kf2NTjK-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/202609271531.8kf2NTjK-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>>> ld.lld: error: undefined symbol: irq_proc_emit_counts
>     >>> referenced by irq.c:116 (arch/powerpc/kernel/irq.c:116)
>     >>>               arch/powerpc/kernel/irq.o:(arch_show_interrupts) in archive vmlinux.a
>     >>> referenced by irq.c:116 (arch/powerpc/kernel/irq.c:116)
>     >>>               arch/powerpc/kernel/irq.o:(arch_show_interrupts) in archive vmlinux.a
>     >>> referenced by irq.c:116 (arch/powerpc/kernel/irq.c:116)
>     >>>               arch/powerpc/kernel/irq.o:(arch_show_interrupts) in archive vmlinux.a
>     >>> referenced 5 more times
> 

I believe this happened due to below.
# CONFIG_PROC_FS is not set

Likely fix is gate with it. similar to x86. Will try to recreate and fix it soon.

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