| 摘要 |
<P>PROBLEM TO BE SOLVED: To execute a next-generation OS integrated with a virtualization function in a virtual server without deteriorating the performance of a virtual computer to integrate the next-generation OS and an existing OS in one physical computer. <P>SOLUTION: One of a guest state area 221 for executing a user program on a second virtual processor and a host state area 222 for executing a guest VMM (Virtual Machine Manager) is selected according to a factor of a call of a host VMM, and a guest state area 131 of a shadow VMCB (Virtual Machine Control Block) for controlling a physical processor is updated. Thereby, the next-generation OS having the virtualization function is executed as the user program on a first virtual processor. <P>COPYRIGHT: (C)2009,JPO&INPIT |
