https://www.kernel.org/doc/html/latest/driver-api/basics.html#wait-queues-and-wake-events 1.4 数据结构 wait_queue_head_t struct wait_queue_head { // 等待队列头 spinlock_t lock; // 自旋锁 struct list_head head; // 链表头 }; typedef struct wait_queue_head wait_queue_head_t; wait_q...