IMPROVEMENT OF NESTED VIRTUALIZATION PERFORMANCE IN A COMPUTER SYSTEM, CAPABLE OF PROVIDING A PLURALITY OF LAYERS OF A HARDWAR-ASSISTED VIRTUALIZATION

摘要

PURPOSE: An improvement of nested virtualization performance in a computer system is provided to improve a method providing a plurality of layers of hardware-assisted virtualization by providing improved virtualization architecture.;CONSTITUTION: A virtualization instruction is fetched from a memory. A virtualization instruction records or deciphers data of a control structure which is used by a VMM(Virtual Machine Monitor). If the CPU is the root mode, a privileged data access of a priority control structure is performed according to the virtualization instruction(50).;COPYRIGHT KIPO 2011