Clearing the interrupt

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed Mar 7 08:04:47 EST 2007


> Is there any problem with the above approach? Is there any restriction
> such that a cpu which acknowledged the interrupt only should send the eoi
> signal?

While I don't think there -should- be any restriction, I also seem to
remember that the xics "emulation" done by the firmware on things like
JS20 requires the eoi to be done from the CPU where the interrupt
originated.

Ben.





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