Backwards compatibility (BC) and FC modes are always triggered by the version attribute, not by any processor switch or launch-time option.
向后兼容(BC)和向前兼容(FC)方式都是通过version属性触发的,而不是处理程序开关或者启动选项。
Each processor on the CPU has its own CSA (current save area) pointer that points to the MST that is to be used when a thread or interrupt handler is interrupted or swapped due to context switch.
CPU上的每个处理器都拥有自己的CSA(当前保存区)指针,指向当线程或中断处理程序由于上下文切换而被中断或交换时使用的MST。
If not, all resources are used in the virtual processor, saving all of them from a virtual processor context switch.
如果不这样做的话,就需要在虚拟处理器上下文切换的过程中保存该虚拟处理器中使用的所有资源。
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