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Message-Id: <1218124771.5882.37.camel@localhost>
Date: Thu, 07 Aug 2008 08:59:30 -0700
From: Joe Perches <joe@...ches.com>
To: schwidefsky@...ibm.com
Cc: Greg KH <gregkh@...e.de>, Kay Sievers <kay.sievers@...y.org>,
linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
lf_kernel_messages@...ts.linux-foundation.org,
Andrew Morton <akpm@...ux-foundation.org>,
Michael Holzheu <holzheu@...ibm.com>,
Gerrit Huizenga <gh@...ibm.com>,
Randy Dunlap <randy.dunlap@...cle.com>,
Jan Kara <jack@...e.cz>, Pavel Machek <pavel@....cz>,
Sam Ravnborg <sam@...nborg.org>,
Jochen Voß <jochen.voss@...glemail.com>,
Kunai Takashi <kunai@...ux-foundation.jp>,
Tim Bird <tim.bird@...sony.com>
Subject: Re: [patch 1/3] kmsg: Kernel message catalog macros.
On Thu, 2008-08-07 at 10:31 +0200, Martin Schwidefsky wrote:
> On Wed, 2008-08-06 at 13:07 -0700, Greg KH wrote:
> > No, I mean use dev_printk() as the base for your logging macro. Add
> > your message tag as the first field after the dev_printk() information.
> Hmm, you are proposing to introduce a second format for the kmsg
> messages to avoid the need for some more printk wrapper macros. To me it
> seems that this has two problems:
> 1) The message tag is for the user of the system. If it does not have a
> fixed position it gets confusing.
I think the message tag today is not useful for a user.
It seems a barely useful maintainer value.
Perhaps the message tag allows for run-time language
translation and maybe a bit better selective logging.
> 2) The message tag for a driver message usually already includes the
> driver name, the dev_printk will print it again. This is ugly and
> reduces the quality of the message.
Ugly is a beholder problem.
Either printk or dev_printk could reorder the output.
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