• 1. Return from Call: 系统返回时间 | 程返回指令
• 2. Return From Last Call: 返回呼叫 | 回呼叫
• 3. return from system call: 从系统调用返回

更多释义

• 1.Select the last Return from the call path to see the result as shown in Figure 51.
  从调用路径中选择最后一个Return，以创建结果，如图51中所示。
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• 2.Upon return from the system call, syscall_exit is eventually reached, and a call to resume_userspace transitions back to user-space.
  从系统调用中返回后，最终执行syscall_exit，并调用resume_userspace返回用户空间。
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• 3.This is an important difference to note since you are probably used to the case where a return from a method call implies that its work has finished completely.
  这是一个要非常注意的不同点，因为您可能已经习惯了这样的一种情况——一个方法调用返回后就意味着该方法正确执行完毕了。
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