The interrupt controller hardware needs to recognize the source of the interrupt and which partition should receive that interrupt.
中断控制器硬件需要确定中断源，以及应该接收该中断的分区。
2
Look at branches as a temporary home for source code that could interrupt mainline development.
您可以将分支看作是一个容纳可能中断干线开发的源代码的临时居所。
3
A pointcut is basically just a place to interrupt the "normal" (as defined by the source code) flow of your application's execution and do something different.