Hi Mike, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git dm-vdo-wip head: e64f626707d0a0b2908bf0d47705d755ada6fd2d commit: e64f626707d0a0b2908bf0d47705d755ada6fd2d [61/61] dm vdo: use a proper Makefile for dm-vdo config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20231215/202312150044.hPIyz3eh-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231215/202312150044.hPIyz3eh-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312150044.hPIyz3eh-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/md/dm-vdo/action-manager.c:64: warning: Function parameter or member 'scheduler' not described in 'action_manager' >> drivers/md/dm-vdo/action-manager.c:64: warning: Excess struct member 'Scheduler' description in 'action_manager' vim +64 drivers/md/dm-vdo/action-manager.c dcbcd2b05e60cfe Matthew Sakai 2023-11-16 38 dcbcd2b05e60cfe Matthew Sakai 2023-11-16 39 /** dcbcd2b05e60cfe Matthew Sakai 2023-11-16 40 * struct action_manager - Definition of an action manager. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 41 * @completion: The completion for performing actions. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 42 * @state: The state of this action manager. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 43 * @actions: The two action slots. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 44 * @current_action: The current action slot. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 45 * @zones: The number of zones in which an action is to be applied. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 46 * @Scheduler: A function to schedule a default next action. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 47 * @get_zone_thread_id: A function to get the id of the thread on which to apply an action to a dcbcd2b05e60cfe Matthew Sakai 2023-11-16 48 * zone. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 49 * @initiator_thread_id: The ID of the thread on which actions may be initiated. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 50 * @context: Opaque data associated with this action manager. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 51 * @acting_zone: The zone currently being acted upon. dcbcd2b05e60cfe Matthew Sakai 2023-11-16 52 */ dcbcd2b05e60cfe Matthew Sakai 2023-11-16 53 struct action_manager { dcbcd2b05e60cfe Matthew Sakai 2023-11-16 54 struct vdo_completion completion; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 55 struct admin_state state; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 56 struct action actions[2]; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 57 struct action *current_action; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 58 zone_count_t zones; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 59 vdo_action_scheduler_fn scheduler; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 60 vdo_zone_thread_getter_fn get_zone_thread_id; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 61 thread_id_t initiator_thread_id; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 62 void *context; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 63 zone_count_t acting_zone; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 @64 }; dcbcd2b05e60cfe Matthew Sakai 2023-11-16 65 :::::: The code at line 64 was first introduced by commit :::::: dcbcd2b05e60cfead83f389a2585e78f45491d56 dm vdo: add administrative state and action manager :::::: TO: Matthew Sakai <msakai@xxxxxxxxxx> :::::: CC: Mike Snitzer <snitzer@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
