The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 30, 2019

Filed:

May. 27, 2016
Applicant:

Bromium, Inc., Cupertino, CA (US);

Inventors:

Ian Pratt, Cambridge, GB;

James Misra McKenzie, Cambridge, GB;

Assignee:

Bromium, Inc., Cupertino, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2018.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G06F 2009/4557 (2013.01); G06F 2009/45583 (2013.01);
Abstract

Approaches for performing nested virtualization using a hypervisor which does not support nested virtualization. A first hypervisor is loaded upon booting a computing device. The first hypervisor instantiates a first virtual machine, exposes an emulated hardware virtualization support interface to the first virtual machine, and executes a second hypervisor, which does not support nested virtualization, within the first virtual machine. The first hypervisor provides nested virtualization support to the second hypervisor to allow the second hypervisor to execute a third hypervisor within a second virtual machine by the first hypervisor abstracting hardware virtualization support to the third hypervisor.


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