linux-kernel - Re: tracepoint maintainance models

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Date:	Mon, 18 Sep 2006 16:48:10 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"Frank Ch. Eigler" <fche@...hat.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Jes Sorensen <jes@....com>, Andrew Morton <akpm@...l.org>,
	Tom Zanussi <zanussi@...ibm.com>,
	Richard J Moore <richardj_moore@...ibm.com>,
	Michel Dagenais <michel.dagenais@...ymtl.ca>,
	Christoph Hellwig <hch@...radead.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	William Cohen <wcohen@...hat.com>,
	"Martin J. Bligh" <mbligh@...igh.org>
Subject: Re: tracepoint maintainance models

Ar Llu, 2006-09-18 am 17:02 +0200, ysgrifennodd Ingo Molnar:
> also, there should be only a single switch for markups: either all of 
> them are compiled in or none of them. That simplifies the support 
> picture and gets rid of some ugly #ifdefs. Distro kernels will likely 
> enable all of thems, so there will be nice uniformity all across.

I think your implementation is questionable if it causes any kind of
jumps and conditions, even marked unlikely. Just put the needed data in
a seperate section which can be used by the debugging tools. No need to
actually mess with the code for the usual cases.

Alan

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