当从磁盘上加载一个脚本或等待硬件设备启动的同时，可以运行另一个脚本来启动另外一个服务。
While one script is being loaded from disk or waiting for a hardware device to start, another script can be running to start another service.
有趣的是，对于lkm来说，我们不会注意到有什么性能方面的差异，因此这对于创建一个适应于自己环境的内核来说是一种功能强大的手段，这样可以根据可用硬件和连接的设备来加载对应的模块。
Interestingly, you won't notice a performance hit for LKMs, so they're a powerful means of creating a lean kernel that ADAPTS to its environment based upon the available hardware and attached devices.
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