英语语法分析

The following code changes are necessary to use software-generated irqs.

要使用软件生成的IRQ，需要对代码进行如下修改。

This feature is used by most interrupt handlers, because it allows them to process IRQs of the same type serially.

这样特性用在很多中断处理函数，因为它容许串行地处理同一类型的IRQ。

Allocating interrupt requests (IRQs) to devices may actually be a useful service, because it allows the OS to just grab a list of devices and start running, without having to program them.

为设备分配中断请求(IRQ)的确是一个非常有用的服务，因为它允许OS只获取一个服务列表并开始运行，而不用对它们进行编程。