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

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Message-ID: <20070614094128.GF17819@atrey.karlin.mff.cuni.cz>
Date:	Thu, 14 Jun 2007 11:41:28 +0200
From:	Jan Kara <jack@...e.cz>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	holzheu@...ux.vnet.ibm.com, 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>
Subject: Re: [RFC/PATCH] Documentation of kernel messages

  <snip>

> Your proposal is similar to one I made to some Japanese developers
> earlier this year.  I was more modest, proposing that we
> 
> - add an enhanced printk
> 
> 	xxprintk(msgid, KERN_ERR "some text %d\n", some_number);
  Maybe a stupid idea but why do we want to assign these numbers by hand?
I can imagine it could introduce collisions when merging tons of patches
with new messages... Wouldn't it be better to compute say, 8-byte hash
from the message and use it as it's identifier? We could do this
automagically at compile time. I know it also has it's problems - you
fix a spelling and the message gets a different id and you have to
update translation/documentation catalogue but maybe that could be
solved too...

								Honza
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