不要对那些同步等待其它任务结果的任务排队。

Don't queue tasks that wait synchronously for results from other tasks.

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当一些程序进入系统，这些程序就由任务排队子程序放在队列里(图10.3)。

As programs enter the system, they are placed on a queue by the job queuing routing (Fig. 10.3).

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由于work_struct中指出了要采用的处理程序函数，因此可以利用工作队列来为不同的处理程序进行任务排队。

As the work_struct indicates the handler function to use, you can use the work queue to queue work for a variety of handlers.

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