[특허]Optimizing processor-managed resources based on the behavior of a virtual machine monitor

Optimizing processor-managed resources based on the behavior of a virtual machine monitor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-009/46 G06F-009/455
출원번호	US-0836628 (2013-03-15)
등록번호	US-9971615 (2018-05-15)
발명자 / 주소	Bennett, Steven M. Anderson, Andrew V. Jeyasingh, Stalinselvaraj Kagi, Alain Neiger, Gilbert Uhlig, Richard Zou, Xiang Smith, III, Lawrence Rodgers, Scott
출원인 / 주소	Intel Corporation
대리인 / 주소	Nicholson De Vos Webster & Elliott LLP
인용정보	피인용 횟수 : 0 인용 특허 : 78

초록

In one embodiment, a predefined behavior of a virtual machine monitor (VMM) with respect to one or more virtual machines (VMs) is identified, and processor-managed resources associated with the one or more VMs are utilized based on the predefined behavior of the VMM.

대표청구항 ▼

1. A processor comprising: notification receiver hardware to receive a notification of a transition type, wherein a first transition type is identified by a virtual machine (VM) launch instruction to be executed by the processor and a second transition type is identified by a VM resume instruction to be executed by the processor;operation set identifier hardware to choose a set of operations to be performed by the processor, wherein a first set is to be chosen for a VM launch instruction to be executed by the processor and a second set is to be chosen for a VM resume instruction to be executed by the processor; andoperation performer hardware to perform the first set of operations, including marking a virtual machine control structure (VMCS) associated with a VM as cleared in response to receiving a request from the a VMM to initialize the VMCS, determining that the VMCS is marked as in a cleared state, performing a plurality of validation checks on VMM state information and VM state information, storing the VMM state information to the VMCS, loading the VM state information into a processor storage, marking the VMCS as associated with a launched VM, and beginning to execute the VM, wherein performing the first set of operations also includes allocating an on-processor cache storage for the VMCS upon determining that the VMCS is in the cleared state, and caching information stored in the VMCS to the on-processor cache storage during operation of the VM, andto perform the second set of operations, including determining that the VMCS is not in the cleared state, performing the plurality of validation checks on at least one of VMM state information and VM state information, storing the VMM state information to the VMCS, loading the VM state information into the processor storage, and beginning to execute the VM, wherein performing the plurality of validation checks in the second set of operations comprises: determining whether an element of the at least one of VMM state information and VM state information state information contained in an on-processor cache storage has been modified; and validating the element of the at least one of VMM state information and VM state information state information if the element has been modified. 2. The processor of claim 1, further comprising: hardware to receive from the VMIM, prior to receiving the VM launch instruction, a pointer to the VMCS. 3. The processor of claim 2, wherein the pointer to the VMCS is included as an operand of a VMCS pointer load instruction. 4. The processor of claim 2, wherein the request to initialize the VMCS is a VMCS clear instruction executed by the VMM, the VMCS clear instruction including the pointer to the VMCS as an operand. 5. The processor of claim 1, wherein loading the VM state information into the processor storage comprises: determining that an element of the VM state information is contained in an on-processor cache storage; anddetermining that the element of the VM state information has been modified in the VMCS.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
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연합인증

Optimizing processor-managed resources based on the behavior of a virtual machine monitor 원문보기

초록

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Optimizing processor-managed resources based on the behavior of a virtual machine monitor 원문보기

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