So, instead of catching and emulating access to physical devices below the hypervisor, new processors provide DMA address translation and permissions checking for efficient device passthrough.
因此，新的处理器提供DMA地址转换和权限检查以实现有效的设备透传，而不是捕获并模拟对管理程序下的物理设备的访问。
Some fishermen are unlucky. Instead of catching fish, they catch old boots and rubbish.
有些垂钓者就是不走运，他们往往鱼钓不到，却钓上来些旧靴子和垃圾。
Instead of catching fish, they catch old tires and trash.
他们往往鱼钓不到，却钓上来些旧轮胎和垃圾。
Instead of catching fish, they catch old boots and rubbish.
他们往往鱼钓不到，却钓上来些旧靴子和垃圾。
Instead of catching fish, they catch old boats and rubbish.
他们往往没钓到鱼，却钓上来一些旧靴子和垃圾。
Instead of catching fish, all that he fished out was an old boot.
他没有捉到鱼，捞到的是一只烂靴子。
Instead of catching fish, all that he fished out was an old boot.
他没有捉到鱼，捞到的是一只烂靴子。
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