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:
Nov. 20, 2012
Filed:
Dec. 09, 2009
Chris Brueggen, Allen, TX (US);
Chris Brueggen, Allen, TX (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A method of rescinding ownership of a cache line in a computer system includes constructing a table of caching agent representations in which each caching agent representation is accompanied by a validity indicator. The method continues with receiving a cache line sharing list, with each entry of the cache line sharing list indicating the potential ownership of the cache line by one or more caching agent representations that correspond to an entry of the sharing list. The method also includes conveying a snoop packet to a caching agent when the logical conjunction of an entry of the cache line sharing list that corresponds to a caching agent representation and the accompanying validity indicator meets a predetermined Boolean condition.