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:
Jun. 20, 2023
Filed:
May. 04, 2021
Intel Corporation, Santa Clara, CA (US);
Barry E. Huntley, Hillsboro, OR (US);
Gilbert Neiger, Portland, OR (US);
H. Peter Anvin, San Jose, CA (US);
Asit K. Mallick, Saratoga, CA (US);
Adriaan Van De Ven, Portland, OR (US);
Scott D. Rodgers, Hillsboro, OR (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
Embodiments of an invention for protecting supervisor mode information are disclosed. In one embodiment, an apparatus includes a storage location, instruction hardware, execution hardware, and control logic. The storage location is to store an indicator to enable supervisor mode information protection. The instruction hardware is to receive an instruction to access supervisor mode information. The execution hardware is to execute the instruction. The control logic is to prevent execution of the instruction if supervisor mode information protection is enabled and a current privilege level is less privileged than a supervisor mode.