主机操作系统必须提供以特权级别(ring0)执行驱动程序的方法，并提供分配内存的方法(见图3)。
The host operating system must provide the means to execute a driver in the privileged ring (ring 0) and export the means to allocate memory (see Figure 3).
主机操作系统必须提供以特权级别(ring0)执行驱动程序的方法，并提供分配内存的方法(见图3)。
The host operating system must provide the means to execute a driver in the privileged ring (ring 0) and export the means to allocate memory (see Figure 3).
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