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Guy Harris (talk | contribs) A more generic description, from Shoulder tap (software); there are other reasons for IPIs than cache coherency (which generally means TLB coherency). |
Guy Harris (talk | contribs) Merge done. |
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{{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 when the first processor requires action from the other processor.
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