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    • 4. 发明授权
    • Read exclusive for fast, simple invalidate
    • 读取专属快速,简单无效
    • US06571321B2
    • 2003-05-27
    • US09917432
    • 2001-07-27
    • Joseph B. RowlandsMichael D. Carlson
    • Joseph B. RowlandsMichael D. Carlson
    • G06F1200
    • G06F12/0817G06F2212/272
    • An agent, in response to a write to a shared block, is configured to initiate a read exclusive transaction on an interface on which the agent communicates. Additionally, the agent is configured to indicate, to a responding agent or agents on the interface, that a data transfer is not required from the responding agent or agents in response to the read exclusive transaction. In one embodiment, the agent indicates to the responding agents that a data transfer is not required in a response phase of the transaction. Specifically, the agent may respond in such a way that the agent indicates that it will provide the data (i.e. that the agent will provide the data to itself). For example, the agent may respond with an exclusive ownership indication. On the interface for such an embodiment, an exclusive ownership response may require that the agent having exclusive access respond with the data.
    • 响应于对共享块的写入,代理被配置为在代理通信的接口上发起读独占事务。 另外,代理被配置为向响应代理或接口上的代理指示响应于所读取的独占事务而不需要响应代理或代理的数据传输。 在一个实施例中,代理向响应代理指示在事务的响应阶段中不需要数据传送。 具体地,代理可以以这样的方式进行响应,即代理人指示它将提供数据(即代理将向其自己提供数据)。 例如,代理可以用独占所有权指示进行响应。 在这种实施例的接口上,独占所有权响应可以要求具有独占访问的代理响应数据。