Multi-processor data processing system with control for granting

Details Multi-processor data processing system with control for granting Multi-processor data processing system with control for granting

1995-12-28

1997-10-14

Chan, Eddie P.

395726, 395729, 395551, 395478, G06F 13362

Patent

active

056780265

ABSTRACT:
A storage lock apparatus for a multiprocessor data processing system. The storage lock apparatus includes control for granting locks to different selectable portions of storage in parallel. In addition, acknowledgment from a remote lock controller is not required for a processor to obtain a lock on an address, even if the address for which the lock was requested is not local relative to the processor. Parallel priority queues are employed for parallel handling of storage lock functions and general storage operations, thereby reducing contention for priority between storage lock operations and general storage operations where there are no addressing conflicts.

REFERENCES:
patent: 4733352 (1988-03-01), Nakamura et al.
patent: 4984153 (1991-01-01), Kregness et al.
patent: 5218688 (1993-06-01), Nishida
patent: 5408629 (1995-04-01), Tsuchiva et al.

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