Re: [PATCH v5] Documentation: userspace-api: Document perf ring buffer mechanism

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

Hi Leo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on lwn/docs-next]
[also build test WARNING on linus/master v6.5-rc6 next-20230809]
[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/Leo-Yan/Documentation-userspace-api-Document-perf-ring-buffer-mechanism/20230814-202144
base:   git://git.lwn.net/linux.git docs-next
patch link:    https://lore.kernel.org/r/20230814121907.100340-1-leo.yan%40linaro.org
patch subject: [PATCH v5] Documentation: userspace-api: Document perf ring buffer mechanism
reproduce: (https://download.01.org/0day-ci/archive/20230815/202308150745.gAbeux0W-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/202308150745.gAbeux0W-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Documentation/userspace-api/perf_ring_buffer.rst: WARNING: document isn't included in any toctree

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