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

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Message-Id: <20070618083549.67464f6b.randy.dunlap@oracle.com>
Date:	Mon, 18 Jun 2007 08:35:49 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Gerrit Huizenga <gh@...ibm.com>, holzheu@...ux.vnet.ibm.com,
	Jan Kara <jack@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, 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

On Mon, 18 Jun 2007 15:11:57 +0200 Sam Ravnborg wrote:

> On Fri, Jun 15, 2007 at 11:42:15AM -0700, Gerrit Huizenga wrote:
> > 
> > Andrew mentioned a mechanism for adding a subsystem tag or other tag
> > which helps disambiguate the message, either in the message file or in
> > the end user documentation (e.g. the Message Pedia/mPedia that the Japanese
> > have already created with ~350 messages, and a total of ~700 targetted
> > by the end of the year).
> > 
> > That tag could be appended to the beginning of the printk, to the end of
> > the printk, or even in a formatted comment at the end of the printk that
> > the tool could extract.
> 
> The best way to maintain such a subsystem tag most be supported by
> kbuild. So say we have the subsystem "scsi" then we can set this subsystem
> tag in drivers/scsi/Makefile and let drivers/scsi/arm/Makefile inherit
> this vaule doing nothing.
> 
> Addign the subsystem tag to the printk could than be done using the
> C preprocessor and we are all fine.
> 
> If we go by the kernel-doc way to document kernel messages (the few that
> actually needs additional explanation) then we need to teach kernel-doc
> to collect the same subsystem tag but that should be doable.

Actually I would prefer that such a tool be a clone of
scripts/kernel-doc and use a (slightly?) modified tag instead of
the kernel-doc "/**" tag if this route is used at all.


---
~Randy
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