Concurrent patch to logical partition manager of a logically partitioned system

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United States of America Patent

PATENT NO 6421679
SERIAL NO

08550121

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of replacing a current version of a program module with a replacement version of the module concurrently with the execution of the program on a computer system. For each entry point within the current version of said module to which the program may make address reference, a corresponding entry point within the replacement version of the module is determined. While execution of the program is suspended, each address reference in the program to an entry point within the current version of the module is replaced with an address reference to the corresponding entry point within the replacement version of the module. Execution of the program is resumed when each address reference to the current module has been replaced with one to the replacement module.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Karen Udy Schaumburg, IL 1 17
Hough, Roger Eldred Austin, TX 9 606
Kubala, Jeffrey Paul Poughquag, NY 8 340
Messinger, Steven Poughkeepsie, NY 2 21
Phillips, Michael Burrill Pleasant Valley, NY 1 17
Siegel, Ira Glenn New Paltz, NY 2 56

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