选择的硬件和软件可能有所不同，但是主要的硬件标准是您的处理器应当具有硬件虚拟化特性 — 这是使用 KVM 的必要条件。

Your choice of hardware and software may be different, but the main hardware criterion is that your processor should have hardware virtualization available—it's a must in order to use KVM.

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在图1中可以看到，hypervisor是提供底层机器虚拟化的软件层(在某些情况下需要处理器支持)。

As you see in Figure 1, the hypervisor is the layer of software that provides the virtualization of the underlying machine (in some cases, with processor support).

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