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. 31, 2013
Filed:
Dec. 13, 2010
Applicants:
Harvey Tuch, Cambridge, MA (US);
Prashanth P. Bungale, Cambridge, MA (US);
Scott W. Devine, Katonah, NY (US);
Lawrence S. Rogel, Brookline, MA (US);
Inventors:
Harvey Tuch, Cambridge, MA (US);
Prashanth P. Bungale, Cambridge, MA (US);
Scott W. Devine, Katonah, NY (US);
Lawrence S. Rogel, Brookline, MA (US);
Assignee:
VMware, Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 12/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods for providing shadow page tables that virtualize processor memory protection. In one embodiment, two shadow L2 page tables are maintained for each section, for example, each 1 MB section, of guest address space covered by a shadow L1 descriptor.