[openeuler:OLK-5.10 2597/2597] kernel/watchdog_hld.c:502:12: sparse: sparse: symbol '__hardlockup_detector_perf_init' was not declared. Should it be static?

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

tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   d51fb86ce6a3a3e59d7cba58738b63903b8cb37c
commit: 364de98eacea8dbfe4f926f62085aebf8534f403 [2597/2597] watchdog: Fix sleeping function called from atomic context
config: x86_64-randconfig-123-20241225 (https://download.01.org/0day-ci/archive/20250104/202501040718.qdbBTetA-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250104/202501040718.qdbBTetA-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/202501040718.qdbBTetA-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> kernel/watchdog_hld.c:502:12: sparse: sparse: symbol '__hardlockup_detector_perf_init' was not declared. Should it be static?

vim +/__hardlockup_detector_perf_init +502 kernel/watchdog_hld.c

   501	
 > 502	int __init __hardlockup_detector_perf_init(void *not_used)
   503	{
   504		int ret = hardlockup_detector_event_create();
   505	
   506		if (ret) {
   507			pr_info("Perf NMI watchdog permanently disabled\n");
   508		} else {
   509			perf_event_release_kernel(this_cpu_read(watchdog_ev));
   510			this_cpu_write(watchdog_ev, NULL);
   511		}
   512		return ret;
   513	}
   514	

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