> Both kdb and lkcd use cross cpu NMI for debugging and dumping on SMP.
> That plus oprofile and the NMI watchdog makes at least four users of
> NMI. A one level hook is not going to cut it, it should be a list.
>
> I admit that removal of a hook from the NMI list while still handling
> NMI interrupts is "interesting", but that is a SMOP ;). RCU to the
> rescue?
Yep, now RCU is merged I'll read up and see if I can come up with a list
API
regards
john
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