linux-kernel - Re: [PATCH 2/4] nmi: add generic nmi tracking state

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Date:	Fri, 6 Feb 2009 15:46:09 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <srostedt@...hat.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Subject: Re: [PATCH 2/4] nmi: add generic nmi tracking state


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Fri, 2009-02-06 at 01:53 -0500, Steven Rostedt wrote:
> 
> > This code adds an in_nmi() macro that uses the current tasks preempt count
> > to track when it is in NMI context. Other parts of the kernel can
> > use this to determine if the context is in NMI context or not.
> > 
> > This code was inspired by the -rt patch in_nmi version that was
> > written by Peter Zijlstra.
> 
> Which in turn I borrowed from Mathieu.

Steve, could you please fix the attribution?

	Ingo
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