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:
Nov. 13, 2018

Filed:

Jun. 30, 2016
Applicant:

Amazon Technologies, Inc., Seattle, WA (US);

Inventors:

Anthony Nicholas Liguori, Bainbridge Island, WA (US);

Jan Schoenherr, Dresden, DE;

Karimallah Ahmed Mohammed Raslan, Dresden, DE;

Konrad Jan Miller, Dresden, DE;

Filippo Sironi, Dresden, DE;

Assignee:

Amazon Technologies, Inc., Seattle, WA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2018.01); G06F 9/50 (2006.01); G06F 21/57 (2013.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G06F 9/5077 (2013.01); G06F 21/575 (2013.01); G06F 9/45533 (2013.01); G06F 2009/45575 (2013.01); G06F 2009/45579 (2013.01);
Abstract

An opportunistic hypervisor determines that a guest virtual machine of a virtualization host has voluntarily released control of a physical processor. The hypervisor uses the released processor to identify and initiate a virtualization management task which has not been completed. In response to determining that at least a portion of the task has been performed, the hypervisor enters a quiescent state, releasing the physical processor to enable resumption of the guest virtual machine.


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