Virtual machine memory access method and system and electronic equipment

A technology of virtual memory and memory access, which is applied in the direction of memory system, memory address/allocation/relocation, program control design, etc., and can solve problems that cannot meet the requirements of carrier-class virtualization.

Active Publication Date: 2017-11-10
LENOVO (BEIJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current memory subsystem cannot

Method used

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  • Virtual machine memory access method and system and electronic equipment
  • Virtual machine memory access method and system and electronic equipment
  • Virtual machine memory access method and system and electronic equipment

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Embodiment Construction

[0023] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. It should be understood, however, that these descriptions are exemplary only, and are not intended to limit the scope of the present disclosure. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present disclosure.

[0024] The terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting of the present disclosure. The words "a", "an" and "the" used herein shall also include the meanings of "plurality" and "multiple", unless the context clearly indicates otherwise. In addition, the terms "comprising", "comprising", etc. used herein indicate the existence of stated features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or compo...

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Abstract

The disclosure provides a virtual machine memory access method. The method comprises the following steps: acquiring a virtual machine control structure corresponding to a virtual machine, wherein the virtual machine control structure comprises a virtual memory starting address and a virtual memory size; establishing mapping relationships with a physical memory address and a virtual memory address corresponding to the virtual machine according to the virtual memory starting address and the virtual memory size; and accessing the corresponding physical memory address through a virtual memory space address based on the mapping relationships. The disclosure also provides electronic equipment in which the virtual machine is deployed, and a virtual machine memory access system.

Description

technical field [0001] The present disclosure relates to a virtual machine memory access method, system and electronic equipment. Background technique [0002] Virtualization technology can re-integrate physical resources and maximize their utilization. Carrier-grade virtualization requires virtual machines to be real-time and efficient. Real-time requires that all task requests in the virtual machine can be responded within the prescribed predictable time without delay glitches. Efficiency requires that all task requests in the virtual machine be completed quickly and efficiently. However, the current memory subsystem cannot meet the needs of carrier-grade virtualization. Contents of the invention [0003] One aspect of the present disclosure provides a method for accessing virtual machine memory, including obtaining a virtual machine control structure corresponding to the virtual machine, wherein the virtual machine control structure includes a virtual memory start ad...

Claims

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Application Information

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IPC IPC(8): G06F12/1036G06F9/455G06F12/06
CPCG06F9/45533G06F12/063G06F12/1036
Inventor 刘峰杨立中
Owner LENOVO (BEIJING) CO LTD
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