Doorbell mechanism using protection domains

Details Doorbell mechanism using protection domains Doorbell mechanism using protection domains

2005-04-15

2010-12-14

Sough, Hyung S (Department: 2194)

Electrical computers and digital processing systems: interprogra

Event handling or event notification

C711S147000, C711S163000

Reexamination Certificate

active

07853957

ABSTRACT:
In accordance with certain other techniques, doorbell information is received. A doorbell structure address is decoded from the doorbell information. A first protection domain identifier is determined from the doorbell structure address. A resource context of a data structure is determined from the doorbell information. The resource context at the doorbell address is read to determine a second protection domain identifier. The first protection domain identifier and the second protection domain identifier are compared to determine whether to update the resource context of the doorbell structure.

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