The LOCK instruction prefix locks out all other CPUs while the microcode for the current instruction executes, thereby guaranteeing data integrity.
The LOCK instruction prefix locks out all other CPUs while the microcode for the current instruction executes, thereby guaranteeing data integrity.
在当前指令的微代码执行的时候，LOCK指令前缀把所有其他CPU关在外面，因此保证数据完整。