linux-kernel - Re: [PATCH 1/9] ext4: Add -DDEBUG to Makefile

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Message-ID: <1332174379.1983.14.camel@joe2Laptop>
Date:	Mon, 19 Mar 2012 09:26:19 -0700
From:	Joe Perches <joe@...ches.com>
To:	Ted Ts'o <tytso@....edu>
Cc:	David Daney <david.daney@...ium.com>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/9] ext4: Add -DDEBUG to Makefile

On Mon, 2012-03-19 at 00:39 -0400, Ted Ts'o wrote:
> So I've never considered it worthwhile to enable them via a CONFIG_*
> menu item; developers who are debugging a specific problem will
> generally just drop in the specific #define on an ad hoc basis, and
> that works fine.

CONFIG_EXT4_DEBUG_MASK=value and/or a module_param(debug) is
possible to add but as Ted said, it's not really too valuable.

dynamic_debugging the always compiled-in current KERN_DEBUG
or eliminating them altogether might have some value though.

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