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Update Booting/linux-bootstrap-2md.md

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hailin cai
2016-02-23 15:42:05 -05:00
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@@ -376,7 +376,7 @@ if (cpu_level < req_level) {
}
```
`check_cpu`方法做了大量的检测和设置工作，下面就简单介绍一些：1）检查cpu标志，如果cpu是64位cpu，那么就设置[long mode](http://en.wikipedia.org/wiki/Long_mode), 2) 检查CPU的制造商checks the processor's vendor and makes preparation for certain vendors like turning off SSE+SSE2 for AMD if they are missing, etc.
`check_cpu`方法做了大量的检测和设置工作，下面就简单介绍一些：1）检查cpu标志，如果cpu是64位cpu，那么就设置[long mode](http://en.wikipedia.org/wiki/Long_mode), 2) 检查CPU的制造商，根据制造商的不同，设置不同的CPU选项。比如对于AMD出厂的cpu，如果不支持SSE+SSE2，那么就禁止这些选项。
Memory detection
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