Inter-processor interrupt: Difference between revisions

Revision as of 08:55, 28 December 2013

Revision as of 09:16, 28 December 2013

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{{mergefrom|Shoulder tap (software)|date=December 2013}}

{{Unreferenced|date=December 2009}}

An '''inter-processor interrupt''' ('''IPI''') is a special type of [[interrupt]] by which one processor may interrupt another processor in a [[multiprocessor]] system. IPIs are typically used to implement a [[cache coherency]] [[synchronization]] point.