[PATCH v2] vmcoreinfo: Track and log recoverable hardware errors

[kernel test robot]

Hi Breno,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 97987520025658f30bb787a99ffbd9bbff9ffc9d]

url:    https://github.com/intel-lab-lkp/linux/commits/Breno-Leitao/vmcoreinfo-Track-and-log-recoverable-hardware-errors/20250721-181439
base:   97987520025658f30bb787a99ffbd9bbff9ffc9d
patch link:    https://lore.kernel.org/r/20250721-vmcore_hw_error-v2-1-ab65a6b43c5a%40debian.org
patch subject: [PATCH v2] vmcoreinfo: Track and log recoverable hardware errors
config: i386-buildonly-randconfig-001-20250721 (https://download.01.org/0day-ci/archive/20250722/202507220057.iVSR8aqd-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250722/202507220057.iVSR8aqd-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507220057.iVSR8aqd-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from init/initramfs.c:603:
   In file included from include/linux/kexec.h:18:
>> include/linux/vmcore_info.h:91:6: warning: no previous prototype for function 'hwerror_tracking_log' [-Wmissing-prototypes]
      91 | void hwerror_tracking_log(enum hwerror_tracking_source src) {};
         |      ^
   include/linux/vmcore_info.h:91:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
      91 | void hwerror_tracking_log(enum hwerror_tracking_source src) {};
         | ^
         | static 
   1 warning generated.


vim +/hwerror_tracking_log +91 include/linux/vmcore_info.h

    87	
    88	#ifdef CONFIG_VMCORE_INFO
    89	void hwerror_tracking_log(enum hwerror_tracking_source src);
    90	#else
  > 91	void hwerror_tracking_log(enum hwerror_tracking_source src) {};
    92	#endif
    93	

-- 
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