US Patent 7558923 Prevention of live-lock in a multi-processor system

Patent 7558923 was granted and assigned to Intel on July, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Intel

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75589230

Patent Inventor Names

Brian R. Bennett0

Stephen S. Chang0

Date of Patent

July 7, 2009

Patent Application Number

094703290

Date Filed

December 22, 1999

Patent Primary Examiner

‌

Denise Tran

Patent abstract

Some embodiments of the invention include a method of preventing live-lock in a multiprocessor system. The method comprising identifying a first bus transaction attempting to modify a resource and setting a status bit to indicate that a bus transaction attempting to modify the shared resource is pending. The method further comprising retrying each subsequent nonmodifying bus transaction for the shared resource until the status bit is cleared.