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authorDibakar Gope ext:(%2C%20Nilay%20Vaish%20%3Cnilay%40cs.wisc.edu%3E) <gope@wisc.edu>2013-02-28 10:04:26 -0600
committerDibakar Gope ext:(%2C%20Nilay%20Vaish%20%3Cnilay%40cs.wisc.edu%3E) <gope@wisc.edu>2013-02-28 10:04:26 -0600
commitc636a09e83b08c27ce60a0f1d13536d736a06926 (patch)
tree06f6c03aa546d90b18752f218b52d84c6f1eb96e /src/mem/bus.cc
parent82cf1565d02608111459379634c6daa31d4a6895 (diff)
downloadgem5-c636a09e83b08c27ce60a0f1d13536d736a06926.tar.xz
ruby: mesi coherence protocol: invalidate lock
The MESI CMP directory coherence protocol, while transitioning from SM to IM, did not invalidate the lock that it might have taken on a cache line. This patch adds an action for doing so. The problem was found by Dibakar, but I was not happy with his proposed solution. So I implemented a different solution. Committed by: Nilay Vaish <nilay@cs.wisc.edu>
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