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Date:	Wed, 17 Nov 2010 18:48:33 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Ingo Molnar <mingo@...e.hu>, Greg KH <gregkh@...e.de>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Lin Ming <ming.m.lin@...el.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [RFC][PATCH 1/5] [PATCH 1/5] events: Add EVENT_FS the event
 filesystem

On Wed, Nov 17, 2010 at 12:52:34PM -0500, Steven Rostedt wrote:
> 
> I still say no to stable tracepoints in modules. Once you open that
> door, everyone will have it.

What about having KVM define the stable tracepoints in the built-in
part of the kernel, if CONFIG_KVM is Y or M, and then export the
tracepoints, such that the tracepoints can be called from a module?

That way the tracepoints aren't being *defined* in a module, they are
just being *called* from the module.  Does that seem like a reasonable
compromise?

						- Ted
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