INPUT/OUTPUT DIRECT MEMORY ACCESS DURING LIVE MEMORY RELOCATION

A method and apparatus for performing memory access operations during a memory relocation in a computing system are disclosed. In response to initiating a relocation operation from a source region of memory to a destination region of memory, copying one or more lines of the source region to the dest...

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Bibliographische Detailangaben
Hauptverfasser: Johnson, John, Onufer, Gregory, Stabile, Patrick, Feehrer, John
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method and apparatus for performing memory access operations during a memory relocation in a computing system are disclosed. In response to initiating a relocation operation from a source region of memory to a destination region of memory, copying one or more lines of the source region to the destination region, and activating a mirror operation mode in a communication circuit coupled to one or more devices included in the computing system. In response to receiving an access request from a device, reading previously stored data from the source region, and in response to determining the access request includes a write request, storing new data included in the write request to locations in both the source and destination regions.