Re: [PATCH v2 mm-stable] procfs: avoid fetching build ID while holding VMA lock

[Andrii Nakryiko <andrii.nakryiko@gmail.com>]

On Thu, Jan 29, 2026 at 7:55 PM kernel test robot <lkp@intel.com> wrote:
>
> Hi Andrii,
>
> kernel test robot noticed the following build warnings:
>
> [auto build test WARNING on bpf-next/net]
> [also build test WARNING on bpf-next/master bpf/master linus/master v6.19-rc7]
> [cannot apply to akpm-mm/mm-everything next-20260129]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Andrii-Nakryiko/procfs-avoid-fetching-build-ID-while-holding-VMA-lock/20260130-055639
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net
> patch link:    https://lore.kernel.org/r/20260129215340.3742283-1-andrii%40kernel.org
> patch subject: [PATCH v2 mm-stable] procfs: avoid fetching build ID while holding VMA lock
> config: nios2-allnoconfig (https://download.01.org/0day-ci/archive/20260130/202601301121.zr5U6ixA-lkp@intel.com/config)
> compiler: nios2-linux-gcc (GCC) 11.5.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260130/202601301121.zr5U6ixA-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/202601301121.zr5U6ixA-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
> >> Warning: lib/buildid.c:348 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
>     * Parse build ID of ELF file

So AI tells me to be a proper kernel-doc comment this should have been:

* build_id_parse_file() - Parse build ID of ELF file

Andrew, should I send v3 or you can just patch it up in-place? Thanks!


>
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