Patent · US Active

Apparatus and method for page walk extension for enhanced security checks

US9183161B2 · kind B2 · utility

3Cited by

0References

21Claims

0Family size

Assignee

Intel Corporation · US

Inventors

Gur Hildesheim · Haifa, IL
Ittai Anati · Ramat HaSharon, IL
Hisham Shafi · Beer Sheva, IL
Shlomo Raikin · Nes Ziona, IL
Gideon Gerzon · Jerusalem, IL
Uday Savagaonkar · Redmond, US
Carlos V. Rozas · Portland, US
Francis X. McKeen · Portland, US
Michael A. Goldsmith · Lake Oswego, US
Dewan Prashant · Hillsboro, US

Key dates

Filing date	Dec 28, 2012
Grant date	Nov 10, 2015
Priority date	—
Expiry date	Jun 3, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG06F21/53
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An apparatus and method for managing a protection table by a processor. For example, a processor according to one embodiment of the invention comprises: protection table management logic to manage a protection table, the protection table having an entry for each protected page or each group of protected pages in memory; wherein the protection table management logic prevents direct access to the protection table by user application program code and operating system program code but permits direct access by the processor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.