| 摘要 |
In accordance with one embodiment, a method of nesting a second virtual machine (VM) on a first VM running on a physical machine is provided. The method comprises receiving a first instruction from the physical machine, wherein the first instruction originates from the first VM, wherein a first control structure is associated with the first VM, and wherein a second control structure is associated with the second VM; creating a secondary control structure based on the second control structure associated with the second VM; providing the first instruction and the secondary control structure to the physical machine, wherein the physical machine executes the first instruction according to information included in the secondary control structure; and updating the secondary control structure to correspond to current state or execution environment of the physical machine.
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