Hi Cindy, kernel test robot noticed the following build warnings: [auto build test WARNING on v6.14-rc3] [also build test WARNING on linus/master next-20250224] [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/Cindy-Lu/vhost-Add-a-new-parameter-in-vhost_dev-to-allow-user-select-kthread/20250223-234405 base: v6.14-rc3 patch link: https://lore.kernel.org/r/20250223154042.556001-4-lulu%40redhat.com patch subject: [PATCH v6 3/6] vhost: Add the cgroup related function config: x86_64-buildonly-randconfig-002-20250224 (https://download.01.org/0day-ci/archive/20250225/202502251038.6UlCIMJy-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250225/202502251038.6UlCIMJy-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/202502251038.6UlCIMJy-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/vhost/vhost.c:275: warning: Function parameter or struct member 'ignore_attachment' not described in '__vhost_worker_flush' vim +275 drivers/vhost/vhost.c 0921dddcb589803 Mike Christie 2023-06-26 266 228a27cf78afc63 Mike Christie 2023-06-26 267 /** ba704ff4e142fd3 Mike Christie 2024-03-15 268 * __vhost_worker_flush - flush a worker 228a27cf78afc63 Mike Christie 2023-06-26 269 * @worker: worker to flush 228a27cf78afc63 Mike Christie 2023-06-26 270 * ba704ff4e142fd3 Mike Christie 2024-03-15 271 * The worker's flush_mutex must be held. 228a27cf78afc63 Mike Christie 2023-06-26 272 */ 84e88426e3bc18f Cindy Lu 2025-02-23 273 static void __vhost_worker_flush(struct vhost_worker *worker, 84e88426e3bc18f Cindy Lu 2025-02-23 274 bool ignore_attachment) a6fc04739be7cd8 Mike Christie 2023-06-26 @275 { 228a27cf78afc63 Mike Christie 2023-06-26 276 struct vhost_flush_struct flush; 228a27cf78afc63 Mike Christie 2023-06-26 277 84e88426e3bc18f Cindy Lu 2025-02-23 278 if ((!ignore_attachment && !worker->attachment_cnt) || worker->killed) ba704ff4e142fd3 Mike Christie 2024-03-15 279 return; ba704ff4e142fd3 Mike Christie 2024-03-15 280 228a27cf78afc63 Mike Christie 2023-06-26 281 init_completion(&flush.wait_event); 228a27cf78afc63 Mike Christie 2023-06-26 282 vhost_work_init(&flush.work, vhost_flush_work); 228a27cf78afc63 Mike Christie 2023-06-26 283 228a27cf78afc63 Mike Christie 2023-06-26 284 vhost_worker_queue(worker, &flush.work); ba704ff4e142fd3 Mike Christie 2024-03-15 285 /* ba704ff4e142fd3 Mike Christie 2024-03-15 286 * Drop mutex in case our worker is killed and it needs to take the ba704ff4e142fd3 Mike Christie 2024-03-15 287 * mutex to force cleanup. ba704ff4e142fd3 Mike Christie 2024-03-15 288 */ ba704ff4e142fd3 Mike Christie 2024-03-15 289 mutex_unlock(&worker->mutex); 228a27cf78afc63 Mike Christie 2023-06-26 290 wait_for_completion(&flush.wait_event); ba704ff4e142fd3 Mike Christie 2024-03-15 291 mutex_lock(&worker->mutex); ba704ff4e142fd3 Mike Christie 2024-03-15 292 } ba704ff4e142fd3 Mike Christie 2024-03-15 293 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
