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Method and apparatus for ensuring proper access to system resources by a processor in a multiprocessor computer system
Method and apparatus for ensuring proper access to system resources by a processor in a multiprocessor computer system
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机译:用于确保多处理器计算机系统中的处理器正确访问系统资源的方法和装置
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摘要
A multiple node computer system includes processor nodes, memory nodes, and input/output nodes interconnected on a pended bus. The system includes a lockout indicator which is set upon receipt of a locked response message by a processor node from a memory node in response to an interlock read command. The processors include a lockout check circuit responsive to the condition of the lockout indicator and will restrict generation of additional interlock read commands according to a predetermined access gating criterion until the lockout indicator is reset. In this manner, processor nodes of the system are assured equitable access to a memory node.
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