如果您不做任何操作，会在配置超时后启动这个选项。
If you do nothing, this will be booted after a configured timeout.
你打了浏览警告，并点击允许下载，但作为操作系统，我将不做任何操作。
You clicked on the warning at the top and said allow downloads, but as the OS I will do nothing at this point.
如果内存位置的值与预期原值相匹配，那么处理器会自动将该位置值更新为新值。否则，处理器不做任何操作。
The processor will atomically update the location to the new value if the value that is there matches the expected old value, otherwise it will do nothing.
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