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:
Mar. 23, 2021
Filed:
Dec. 24, 2015
Harshawardhan Vipat, San Jose, CA (US);
Manohar R. Castelino, Santa Clara, CA (US);
Dongsheng Zhang, San Ramon, CA (US);
Kuo-lang Tseng, Cupertino, CA (US);
Harshawardhan Vipat, San Jose, CA (US);
Manohar R. Castelino, Santa Clara, CA (US);
Dongsheng Zhang, San Ramon, CA (US);
Kuo-Lang Tseng, Cupertino, CA (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
Systems, apparatuses and methods may provide for locating operating system (OS) kernel information and user mode code in physical memory, wherein the kernel information includes kernel code and kernel read only data, and specifying permissions for the kernel information and the user code in an extended page table (EPT). Additionally, systems, apparatuses and methods may provide for switching, in accordance with the permissions, between view instances of the EPT in response to one or more hardware virtualization exceptions.