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Responding to snoop requests

  • US 10,579,526 B2
  • Filed: 02/08/2017
  • Issued: 03/03/2020
  • Est. Priority Date: 02/08/2017
  • Status: Active Grant
First Claim
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1. A data processing apparatus comprising:

  • receiving circuitry to receive a snoop request sent by a source node with respect to requested data;

    transmitting circuitry; and

    cache circuitry to cache at least one data value, whereinsaid snoop request comprises an indication as to whether said requested data is to be returned to said source node; and

    when said at least one data value comprises said requested data, said transmitting circuitry is adapted to transmit a response to said source node comprising said requested data, in dependence on said indication, whereinsaid data processing apparatus is adapted to perform a given operation on said requested data in said cache circuitry in response to receiving a snoop request; and

    the indication is independent from said given operation.

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