linux-kernel - Re: [PATCH 2/9] ext4: Use pr_fmt and pr

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Message-ID: <1332236803.7847.85.camel@joe2Laptop>
Date:	Tue, 20 Mar 2012 02:46:43 -0700
From:	Joe Perches <joe@...ches.com>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	Jiri Slaby <jirislaby@...il.com>, Ted Ts'o <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/9] ext4: Use pr_fmt and pr_<level>

On Tue, 2012-03-20 at 10:25 +0100, Jiri Slaby wrote:
> On 03/20/2012 10:21 AM, Joe Perches wrote:
> > the ath5k pr_ conversion patches are to
> > standardize prefixes and to reduce code size by
> > centralizing tests.
> 
> What is the "standard" prefix?

KBUILD_MODNAME

> > https://lkml.org/lkml/2012/3/18/121
> > https://lkml.org/lkml/2012/3/18/123
> > https://lkml.org/lkml/2012/3/18/124
> > I happen to like 30K/10+% code size reductions.
> Obvious question: what speed reduction does this bring?

Anyone looking for speed impacts in logging
messages is looking in the wrong place.

btw: it's effectively 0.


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