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:
Feb. 13, 2018

Filed:

Dec. 31, 2016
Applicant:

Intel Corporation, Santa Clara, CA (US);

Inventors:

Christopher D. Bryant, Austin, TX (US);

Rama S. Gopal, Austin, TX (US);

Assignee:

Intel Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/1036 (2016.01); G06F 12/1009 (2016.01); G06F 12/084 (2016.01);
U.S. Cl.
CPC ...
G06F 12/1036 (2013.01); G06F 12/084 (2013.01); G06F 12/1009 (2013.01); G06F 2212/60 (2013.01); G06F 2212/62 (2013.01); G06F 2212/684 (2013.01);
Abstract

Methods and apparatus are disclosed for using a shared page miss handler device to satisfy page miss requests of a plurality of devices in a multi-core system. One embodiment of such a method comprises receiving one or more page miss requests from one or more respective requesting devices of the plurality of devices in the multi-core system, and arbitrating to identify a first page miss requests of the one or more requesting devices A page table walk is performed to generate a physical address responsive to the first page miss request. Then the physical address is sent to the corresponding requesting device, or a fault is signaled to an operating system for the corresponding requesting device responsive to the first page miss request.


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