Performing a configuration virtual topology change and instruction therefore
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United States of America Patent
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Jun 15, 2010
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app pub date -
Jan 11, 2008
filing date -
Jan 11, 2008
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Abstract
In a logically partitioned host computer system comprising host processors (host CPUs) partitioned into a plurality of guest processors (guest CPUs) of a guest configuration, a perform topology function instruction is executed by a guest processor specifying a topology change of the guest configuration. The topology change preferably changes the polarization of guest CPUs, the polarization related to the amount of a host CPU resource is provided to a guest CPU.
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