linux-kernel - Re: sched: restore sanity

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Message-ID: <1261333310.30458.205.camel@Joe-Laptop.home>
Date:	Sun, 20 Dec 2009 10:21:50 -0800
From:	Joe Perches <joe@...ches.com>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Peter Zijlstra <peterz@...radead.org>, San Mehat <san@...gle.com>,
	Ingo Molnar <mingo@...e.hu>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: sched: restore sanity

On Sun, 2009-12-20 at 19:17 +0100, Arjan van de Ven wrote:
> On Sun, 20 Dec 2009 09:22:23 -0800 Joe Perches <joe@...ches.com> wrote:
> > What are the negatives of using pr_<level>?
> pr_ is really just for "I am a driver and want a single line message
> out in a standardized format".
> Nothing wrong with that.
> 
> But here you are changing fundamental kernel outputs in the style of an
> oops message. Multiline, complex and machine parsed things...

The prefixing was trivial to change.
No other output was modified.

I believe kernel log output is specifically _not_ guaranteed
and should not be so guaranteed to remain stable across
versions.


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