Re: [PATCH] [4/7] oprofile - NMI hook

From: John Levon (levon@movementarian.org)
Date: Wed Oct 16 2002 - 11:36:54 EST

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On Thu, Oct 17, 2002 at 12:06:40AM +1000, Keith Owens wrote:

> 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

-- 
"It's a cardboard universe ... and if you lean too hard against it, you fall
 through." 
	- Philip K. Dick 
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