linux-2.6.33/run_workqueue() の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• linux-2.6.33/run_workqueue() へ行く。
• linux-2.6.33/run_workqueue() の差分を削除

*参照元 [#nfc0abf5]
#backlinks

*説明 [#t12d42e7]
-パス: [[linux-2.6.33/kernel/workqueue.c]]

-FIXME: これは何？
--説明


**引数 [#m47f4281]
-struct cpu_workqueue_struct *cwq
--


**返り値 [#y282ca3f]
-なし


**参考 [#r52b2644]


*実装 [#g2f33d2c]
 static void run_workqueue(struct cpu_workqueue_struct *cwq)
 {
 	spin_lock_irq(&cwq->lock);
-
--[[linux-2.6.33/spin_lock_irq()]]

 	while (!list_empty(&cwq->worklist)) {
-
--[[linux-2.6.33/list_empty()]]

 		struct work_struct *work = list_entry(cwq->worklist.next,
 						struct work_struct, entry);
 		work_func_t f = work->func;
-
--[[linux-2.6.33/work_struct]]
-
--[[linux-2.6.33/list_entry()]]
-
--[[linux-2.6.33/work_func_t]]

 #ifdef CONFIG_LOCKDEP
-
--[[linux-2.6.33/CONFIG_LOCKDEP]]

 		/*
 		 * It is permissible to free the struct work_struct
 		 * from inside the function that is called from it,
 		 * this we need to take into account for lockdep too.
 		 * To avoid bogus "held lock freed" warnings as well
 		 * as problems when looking into work->lockdep_map,
 		 * make a copy and use that here.
 		 */
 		struct lockdep_map lockdep_map = work->lockdep_map;
-
--[[linux-2.6.33/lockdep_map]]

 #endif
 		trace_workqueue_execution(cwq->thread, work);
 		debug_work_deactivate(work);
 		cwq->current_work = work;
-
--[[linux-2.6.33/trace_workqueue_execution()]]
-
--[[linux-2.6.33/debug_work_deactivate()]]

 		list_del_init(cwq->worklist.next);
 		spin_unlock_irq(&cwq->lock);
 
-
--[[linux-2.6.33/list_del_init()]]
-
--[[linux-2.6.33/spin_unlock_irq()]]

 		BUG_ON(get_wq_data(work) != cwq);
 		work_clear_pending(work);
 		lock_map_acquire(&cwq->wq->lockdep_map);
 		lock_map_acquire(&lockdep_map);
-
--[[linux-2.6.33/BUG_ON()]]
-
--[[linux-2.6.33/get_wq_data()]]
-
--[[linux-2.6.33/work_clear_pending()]]
-
--[[linux-2.6.33/lock_map_acquire()]]

 		f(work);
 		lock_map_release(&lockdep_map);
 		lock_map_release(&cwq->wq->lockdep_map);
 
-
--[[linux-2.6.33/lock_map_release()]]

 		if (unlikely(in_atomic() || lockdep_depth(current) > 0)) {
-
--[[linux-2.6.33/current(global)]]
-
--[[linux-2.6.33/unlikely()]]
-
--[[linux-2.6.33/in_atomic()]]
-
--[[linux-2.6.33/lockdep_depth()]]

 			printk(KERN_ERR "BUG: workqueue leaked lock or atomic: "
 					"%s/0x%08x/%d\n",
 					current->comm, preempt_count(),
 				       	task_pid_nr(current));
 			printk(KERN_ERR "    last function: ");
 			print_symbol("%s\n", (unsigned long)f);
 			debug_show_held_locks(current);
 			dump_stack();
-
--[[linux-2.6.33/KERN_ERR]]
-
--[[linux-2.6.33/printk()]]
-
--[[linux-2.6.33/preempt_count()]]
-
--[[linux-2.6.33/task_pid_nr()]]
-
--[[linux-2.6.33/print_symbol()]]
-
--[[linux-2.6.33/debug_show_held_locks()]]
-
--[[linux-2.6.33/dump_stack()]]

 		}
 
 		spin_lock_irq(&cwq->lock);
 		cwq->current_work = NULL;
 	}
 	spin_unlock_irq(&cwq->lock);
 }


*コメント [#q7cc5ef9]