Re: [PATCH bpf-next v2] bpf, docs: Explain helper functions

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

Hi Dave,

Thank you for the patch! Perhaps something to improve:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Dave-Thaler/bpf-docs-Explain-helper-functions/20230207-031845
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20230206191647.2075-1-dthaler1968%40googlemail.com
patch subject: [PATCH bpf-next v2] bpf, docs: Explain helper functions
reproduce:
        # https://github.com/intel-lab-lkp/linux/commit/b579d93fed53b16ad7241911226cbeb3b42f8266
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Dave-Thaler/bpf-docs-Explain-helper-functions/20230207-031845
        git checkout b579d93fed53b16ad7241911226cbeb3b42f8266
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        make htmldocs

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302130706.NBSii5FS-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Documentation/bpf/clang-notes.rst:24: WARNING: Title underline too short.

vim +24 Documentation/bpf/clang-notes.rst

    22	
    23	Reserved instructions
  > 24	====================
    25	

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