[PATCH bpf-next v2] add function metadata support

[kernel test robot]

Hi Menglong,

kernel test robot noticed the following build warnings:

[auto build test WARNING on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Menglong-Dong/add-function-metadata-support/20250226-202312
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20250226121537.752241-1-dongml2%40chinatelecom.cn
patch subject: [PATCH bpf-next v2] add function metadata support
config: i386-kismet-CONFIG_CALL_PADDING-CONFIG_FUNCTION_METADATA-0-0 (https://download.01.org/0day-ci/archive/20250227/202502272339.DtueAali-lkp@intel.com/config)
reproduce: (https://download.01.org/0day-ci/archive/20250227/202502272339.DtueAali-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/202502272339.DtueAali-lkp@intel.com/

kismet warnings: (new ones prefixed by >>)
>> kismet: WARNING: unmet direct dependencies detected for CALL_PADDING when selected by FUNCTION_METADATA
   WARNING: unmet direct dependencies detected for CALL_PADDING
     Depends on [n]: CC_HAS_ENTRY_PADDING [=y] && OBJTOOL [=n]
     Selected by [y]:
     - FUNCTION_METADATA [=y]

-- 
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https://github.com/intel/lkp-tests/wiki