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:
Jul. 16, 2013
Filed:
Dec. 13, 2010
Harvey Tuch, Cambridge, MA (US);
Prashanth P. Bungale, Cambridge, MA (US);
Scott W. Devine, Katonah, NY (US);
Lawrence S. Rogel, Brookline, MA (US);
Harvey Tuch, Cambridge, MA (US);
Prashanth P. Bungale, Cambridge, MA (US);
Scott W. Devine, Katonah, NY (US);
Lawrence S. Rogel, Brookline, MA (US);
VMware, Inc., Palo Alto, CA (US);
Abstract
Methods for providing shadow page tables that virtualize processor memory protection. In one embodiment, virtualization software maintains the following: (a) a mapping φ from guest domain identifier to a set of shadow L2 page tables that back guest L1 sections marked with a domain identifier; and (b) with each such shadow L2 page table, a set ω of back-pointers to 'potentially referencing' shadow L1 descriptors.