| 摘要 |
<p>In a system for controlling a key storage unit in a data processing apparatus, a data processing apparatus comprising a main storage unit, a key storage unit for storing a main storage protection key corresponding to each unit block of the main storage unit, at least one processing unit, a main storage control unit, and a key storage control unit, the access request for the key storage unit is registered in the key queue of the key-storage control unit. The same access request for the key storage unit is prevented from being repeated many times. </p> |
