A method and apparatus for a mechanism for handling explicit writeback in a cache coherent multi-node architecture is described. In one embodiment, the invention is a method. The method includes receiving a read request relating to a first line of data in a coherent memory system. The method further...http://www.google.se/patents/US7167957?utm_source=gb-gplus-sharePatent US7167957 - Mechanism for handling explicit writeback in a cache coherent multi-node architecture