iret
- 网络中断返回;中断返回指令;从中断返回;中断程序返回
iret-
The stimulation orders replace the machine orders used in inner Linux core such as sti , cli , iret etc. The result is that the real time core supervises the interruption , and prohibits the operation of Linux core about the hardware interruption .
系统采用仿真宏代替Linux内核使用的sti，cli，iret等机器指令，使得实时内核捕获中断，禁止了Linux内核关硬件中断的操作；