ibook sleep, NMI edge vs level trigger.

[Benjamin Herrenschmidt]

>
>i dunno if this is news to anyone, but apparently
>(the source comment says "copied from OS9 code")
>the NMI is masked and switched from edge to level triggered before
>sleeping and unmasked and returned to edge triggered after wake.
>
>is the low level sleep handler doing this correctly ?
>
>refer to:
>xnu-4-2/iokit/Drivers/platform/drvAppleNMI/AppleNMI.cpp

AFAIK, it's only done on desktop G4s.

Ben.


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