Question: What does 'Caches present snoop result for request with the data' mean?
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@Yuyang A couple of slides before this, one of the steps was "Caches perform snoop: Look up tags, update cache state, etc." When the data is on the bus is when any snoop results are actually needed/used.
These are the results of the snoop, such as a caches indicating it also has the line in the shared state. The snoop results tell the requesting processor what state to load the line in.