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From: John Levon <levon@movementarian.org>
To: Keith Owens <kaos@ocs.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [4/7] oprofile - NMI hook
Date: Wed, 16 Oct 2002 17:36:54 +0100	[thread overview]
Message-ID: <20021016163654.GA85246@compsoc.man.ac.uk> (raw)
In-Reply-To: <32233.1034777200@ocs3.intra.ocs.com.au>

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 

      reply	other threads:[~2002-10-16 16:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-15 22:33 [PATCH] [4/7] oprofile - NMI hook John Levon
2002-10-15 22:56 ` Andi Kleen
2002-10-15 23:01   ` John Levon
2002-10-15 23:18     ` Andi Kleen
2002-10-16 14:06 ` Keith Owens
2002-10-16 16:36   ` John Levon [this message]

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