Performing shadowing function by virtual machine manager in two-level virtual machine environment

US9207939B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9207939-B2
Application numberUS-98054910-A
CountryUS
Kind codeB2
Filing dateDec 29, 2010
Priority dateFeb 5, 2010
Publication dateDec 8, 2015
Grant dateDec 8, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

There is a need for providing the Xeon CPU with a two-level VM that is independent of VMM types and prevents the throughput from degrading when the OS operates the privilege register. A machine is provided with a processor and memory. The machine includes a first virtual machine manager for managing a virtual machine, a second virtual machine for managing an operating system, first management information, and second management information. The processor is provided with a register and a shadowing function. The machine uses a virtualization method. The first virtual machine manager detects a call from the second virtual machine manager. The first virtual machine manager enables the shadowing function when it is determined that an instruction for enabling the shadowing function caused the call.

First claim

Opening claim text (preview).

What is claimed is: 1. A virtualization method for a machine having a processor and memory connected to the processor, the machine includes: a first virtual machine manager that is executed by the processor and manages a plurality of virtual machines generated by virtually dividing a physical resource of the machine, and a second virtual machine manager that is executed on each of the virtual machines and respectively manages an operating system to respectively execute an appl…

Assignees

Inventors

Classifications

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9207939B2 cover?
There is a need for providing the Xeon CPU with a two-level VM that is independent of VMM types and prevents the throughput from degrading when the OS operates the privilege register. A machine is provided with a processor and memory. The machine includes a first virtual machine manager for managing a virtual machine, a second virtual machine for managing an operating system, first management i…
Who is the assignee on this patent?
Hattori Naoya, Moriki Toshiomi, Yasuda Yoshiko, and 1 more
What technology area does this patent fall under?
Primary CPC classification G06F9/30076. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Dec 08 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).