linux-kernel - Re: [PATCH] Linux Kernel Markers

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Message-ID: <45101965.3050509@opersys.com>
Date:	Tue, 19 Sep 2006 12:23:01 -0400
From:	Karim Yaghmour <karim@...rsys.com>
To:	"Martin J. Bligh" <mbligh@...gle.com>
CC:	Ingo Molnar <mingo@...e.hu>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	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>, ltt-dev@...fik.org,
	systemtap@...rces.redhat.com, Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH] Linux Kernel Markers

Martin J. Bligh wrote:
> Why don't we just copy the whole damned function somewhere else, and
> make an instrumented copy (as a kernel module)?

If you're going to go with that, then why not just use a comment-based
markup? Then your alternate copy gets to be generated from the same
codebase. It also solves the inherent problem of decided on whether
a macro-based markup is far too intrusive, since you can mildly allow
yourself more verbosity in a comment. Not only that, but if it's
comment-based, it's even forseable, though maybe not desirable, than
*everything* that deals with this type of markup be maintained out
of tree (i.e. scripts generating alternate functions and all.)

Karim

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