[akpm-mm:mm-nonmm-unstable 40/49] ld.lld: error: undefined symbol: hw_nmi_get_sample_period

[akpm-mm:mm-nonmm-unstable 40/49] ld.lld: error: undefined symbol: hw_nmi_get_sample_period

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
head:   b0165d26ed76a1d8825e54ddc5c0b62db5113f13
commit: 5ec1304ad3434337b407db8e6e3bf6e2964c045f [40/49] watchdog: move arm64 watchdog_hld into common code
config: arm64-randconfig-002-20251024 (https://download.01.org/0day-ci/archive/20251024/202510240701.eB6r97V3-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/202510240701.eB6r97V3-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/202510240701.eB6r97V3-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: hw_nmi_get_sample_period
   >>> referenced by watchdog_perf.c
   >>>               kernel/watchdog_perf.o:(hardlockup_detector_event_create) in archive vmlinux.a
   >>> referenced by watchdog_perf.c
   >>>               kernel/watchdog_perf.o:(hardlockup_detector_event_create) in archive vmlinux.a

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

Re: [akpm-mm:mm-nonmm-unstable 40/49] ld.lld: error: undefined symbol: hw_nmi_get_sample_period

[Andrew Morton]

On Fri, 24 Oct 2025 07:44:47 +0800 kernel test robot <lkp@intel.com> wrote:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
> head:   b0165d26ed76a1d8825e54ddc5c0b62db5113f13
> commit: 5ec1304ad3434337b407db8e6e3bf6e2964c045f [40/49] watchdog: move arm64 watchdog_hld into common code
> config: arm64-randconfig-002-20251024 (https://download.01.org/0day-ci/archive/20251024/202510240701.eB6r97V3-lkp@intel.com/config)

CONFIG_WATCHDOG_PERF_ADJUST_PERIOD isn't set.

> compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/202510240701.eB6r97V3-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/202510240701.eB6r97V3-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
> >> ld.lld: error: undefined symbol: hw_nmi_get_sample_period
>    >>> referenced by watchdog_perf.c
>    >>>               kernel/watchdog_perf.o:(hardlockup_detector_event_create) in archive vmlinux.a
>    >>> referenced by watchdog_perf.c
>    >>>               kernel/watchdog_perf.o:(hardlockup_detector_event_create) in archive vmlinux.a

Thanks, I'll remove this version of the series from mm.git.