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.

Date of Patent:
May. 02, 2023

Filed:

Mar. 08, 2019
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Fadi Y. Busaba, Poughkeepsie, NY (US);

Lisa Cranton Heller, Rhinebeck, NY (US);

Jonathan D. Bradbury, Poughkeepsie, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/14 (2006.01); G06F 12/109 (2016.01); G06F 12/1036 (2016.01); G06F 12/1072 (2016.01);
U.S. Cl.
CPC ...
G06F 12/1458 (2013.01); G06F 12/109 (2013.01); G06F 12/1036 (2013.01); G06F 12/1072 (2013.01); G06F 2212/1052 (2013.01);
Abstract

According to one or more embodiments of the present invention, a computer implemented method includes receiving a secure access request for a secure page of memory at a secure interface control of a computer system. The secure interface control can check a disable virtual address compare state associated with the secure page. The secure interface control can disable a virtual address check in accessing the secure page to support mapping of a plurality of virtual addresses to a same absolute address to the secure page based on the disable virtual address compare state being set and/or to support secure pages that are accessed using an absolute address and do not have an associated virtual address.


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