Method and apparatus for coherency reporting in a multiprocessin

Details Method and apparatus for coherency reporting in a multiprocessin Method and apparatus for coherency reporting in a multiprocessin

1995-12-15

1997-09-30

Ray, Gopal C.

395287, G06F 1216

Patent

active

056734131

ABSTRACT:
An information processing system includes a plurality of bus devices coupled to at least one storage device via a bus. A first device (the "requestor") on a bus issues a request to obtain data and coherency information and monitors for the coherency information during a designated coherency response interval. A second device (the "respondant") sends a first signal during the designated coherency response interval indicating that the coherency information will be returned during a second interval, and sends a second signal providing the coherency information to the requestor during the second interval.

REFERENCES:
patent: 5297269 (1994-03-01), Donaldson et al.
patent: 5406504 (1995-04-01), Denisco et al.
patent: 5530933 (1996-06-01), Frink et al.
patent: 5548797 (1996-08-01), Arimilli et al.
patent: 5557769 (1996-09-01), Bailey et al.

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