linux-kernel - Re: [RFC/PATCH] Documentation of kernel messages

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Message-Id: <1182281097.2698.0.camel@laptopd505.fenrus.org>
Date:	Tue, 19 Jun 2007 12:24:52 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	holzheu@...ux.vnet.ibm.com
Cc:	Gerrit Huizenga <gh@...ibm.com>, Jan Kara <jack@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, randy.dunlap@...cle.com,
	gregkh@...e.de, mtk-manpages@....net, schwidefsky@...ibm.com,
	heiko.carstens@...ibm.com,
	"lf_kernel_messages@...ux-foundation.org" 
	<lf_kernel_messages@...ux-foundation.org>, pavel@....cz
Subject: Re: [RFC/PATCH] Documentation of kernel messages

On Tue, 2007-06-19 at 10:51 +0200, holzheu wrote:
> On Mon, 2007-06-18 at 18:36 -0700, Arjan van de Ven wrote:
> > On Mon, 2007-06-18 at 15:53 +0200, holzheu wrote:
> > > On Mon, 2007-06-18 at 06:12 -0700, Arjan van de Ven wrote:
> > > > On Mon, 2007-06-18 at 14:55 +0200, holzheu wrote:
> > > > > Hi Gerrit,
> > > > > 
> > > > > The common thing of your and our approach is, that we need an ID to
> > > > > identify a message either by:
> > > > 
> > > > 
> > > > Maybe I am missing something big, but why is an ID needed?
> > > > The message IS the ID right? That's the only thing that is robust
> > > > against code moving about....
> > > 
> > > Yes. As already discussed with Pavel, it is one option to use the format
> > > string of the message as message ID. The disadvantage compared to
> > > message IDs like hashes is, that format strings might be even less
> > > unique than hashes 
> > 
> > if the hash comes from the string in the first place I have a hard time
> > believing that.
> > 
> 
> Just think of all messages containing %s, which can expand to every
> possible string.

of course you hash on the string before you do the format stuff....


-- 
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