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.
Patent No.:
Date of Patent:
Dec. 29, 2020
Filed:
Feb. 25, 2019
Applicant:
Red Hat Israel, Ltd., Ra'anana, IL;
Inventors:
Michael S. Tsirkin, Yokneam Illit, IL;
Paolo Bonzini, Turate, IT;
Assignee:
Red Hat Israel, Ltd., Ra'anana, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2018.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G06F 9/4555 (2013.01); G06F 9/45545 (2013.01); G06F 2009/45579 (2013.01); G06F 2009/45595 (2013.01);
Abstract
A hypervisor associates a combined register space with a virtual device to be presented to a guest operating system of a virtual machine, the combined register space comprising a default register space and an additional register space. Responsive to detecting an access of the additional register space by the guest operating system of the virtual machine, the hypervisor performs an operation on behalf of the virtual machine, the operation pertaining to the access of the additional register space.