linux-kernel - Re: [patch 4/7] Linux Kernel Markers

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Message-ID: <20070924185311.GD28347@Krystal>
Date:	Mon, 24 Sep 2007 14:53:11 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Christoph Hellwig <hch@...radead.org>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, "Frank Ch. Eigler" <fche@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Denys Vlasenko <vda.linux@...glemail.com>
Subject: Re: [patch 4/7] Linux Kernel Markers - Architecture Independent Code

* Christoph Hellwig (hch@...radead.org) wrote:
> On Mon, Sep 24, 2007 at 02:43:09PM -0400, Mathieu Desnoyers wrote:
> > gcc doesn't like it if I put the attribute after the function in the
> > implementation. Should I leave it before or separate the prototype from
> > the implementation ?
> 
> Just keep it where it was.
> 
> > > There seem to be a lot of exports and some functions that don't seem
> > > to be used by the obvious marker use-cases like your example, blktrace
> > > or sputrace.  Care to explain why we'd really want them or better cut
> > > them out for this first submission?
> > 
> > If you are referring to the exports you just told about in this email,
> > I'll remove them, they are not needed. As for the "marker_get_iter" and
> > friends, they are used to list the markers (I provide a /proc interface
> > to list the markers in the subsequent modules and also use it to dump
> > the marker list in a trace channel at trace start so I can later
> > understand the event data by using the format strings as type
> > identifiers).
> 
> Sounds conceptually fine, but can we introduce this together with
> the actualy users?

Sure, I'll move that down in my patch queue.

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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