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Review request for Default. Summary ------- ruby: Disable migratory sharing for token and hammer This patch allows one to disable migratory sharing for those cache blocks that are accessed by atomic requests. While the implementations are different between the token and hammer protocols, the motivation is the same. For Alpha, LLSC semantics expect that normal loads do not unlock cache blocks that have been locked by LL accesses. Therefore, locked blocks should not transfer write permissions when responding to these load requests. Instead, only they only transfer read permissions so that the subsequent SC access can possibly succeed. Diffs ----- configs/ruby/MOESI_CMP_token.py PRE-CREATION configs/ruby/MOESI_hammer.py PRE-CREATION src/mem/protocol/MOESI_CMP_token-L1cache.sm a75564db03c3 src/mem/protocol/MOESI_hammer-cache.sm a75564db03c3 Diff: http://reviews.m5sim.org/r/110/diff Testing ------- Thanks, Brad _______________________________________________ m5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/m5-dev
