Re: [PATCH v3] tracefs: Add read-only eventfs filesystem at /sys/kernel/events

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

Hi Steven,

kernel test robot noticed the following build warnings:

[auto build test WARNING on v7.2]
[also build test WARNING on next-20260819]
[cannot apply to trace/for-next linus/master]
[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/Steven-Rostedt/tracefs-Add-read-only-eventfs-filesystem-at-sys-kernel-events/20260810-160708
base:   v7.2
patch link:    https://lore.kernel.org/r/20260810160708.3460a2fd%40gandalf.local.home
patch subject: [PATCH v3] tracefs: Add read-only eventfs filesystem at /sys/kernel/events
config: x86_64-randconfig-013-20260820 (https://download.01.org/0day-ci/archive/20260820/202608201958.Dlhk7OGz-lkp@intel.com/config)
compiler: gcc-13 (Debian 13.3.0-16) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260820/202608201958.Dlhk7OGz-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/202608201958.Dlhk7OGz-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: fs/tracefs/event_inode.c:501 function parameter 'ro' not described in 'lookup_dir_entry'
>> Warning: fs/tracefs/event_inode.c:621 function parameter 'ro' not described in '__eventfs_root_lookup'
>> Warning: fs/tracefs/event_inode.c:621 expecting prototype for eventfs_root_lookup(). Prototype was for __eventfs_root_lookup() instead
>> Warning: fs/tracefs/event_inode.c:977 function parameter 'ei' not described in 'eventfs_create_events_ro_copy'
>> Warning: fs/tracefs/event_inode.c:977 expecting prototype for eventfs_create_events_dir_ro(). Prototype was for eventfs_create_events_ro_copy() instead
>> Warning: fs/tracefs/event_inode.c:501 function parameter 'ro' not described in 'lookup_dir_entry'

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