The method to get function descriptor of a system call is different when kernel storage protection keys state is different. 不同的内核存储保护键状态对应获得系统调用函数描述符的不同方法。
The XML descriptor file specifies the general metadata for the VM, its domain attributes ( CPUs, memory, and so on), and storage configuration. 该XML描述符文件指定了虚拟机的一般元数据、域属性(CPU、内存等),以及存储配置。