linux-kernel - Re: RFC: Use dynamic-debug with pr

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Date:	Wed, 10 Aug 2011 18:03:48 -0700
From:	Joe Perches <joe@...ches.com>
To:	Jason Baron <jbaron@...hat.com>
Cc:	Jim Cromie <jim.cromie@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-i2c@...r.kernel.org
Subject: Re: RFC: Use dynamic-debug with pr_debug when -DDEBUG is set

On Wed, 2011-08-10 at 20:20 -0400, Jason Baron wrote:
> On Wed, Aug 10, 2011 at 05:01:37PM -0700, Joe Perches wrote:
> > Perhaps another way to enable pr_debug use
> > is to reverse the order of dynamic_pr_debug
> > defines.
> > ie:  change printk.h:
> > #if defined(CONFIG_DYNAMIC_DEBUG)
> > /* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */
> > #define pr_debug(fmt, ...) \
> > 	dynamic_pr_debug(fmt, ##__VA_ARGS__)
> > #elif defined(DEBUG)
> > #define pr_debug(fmt, ...) \
> > 	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
> > and change dynamic_debug.h:
> > #define DPRINTK_FLAGS_DEFAULT 0
> > to:
> > #if defined DEBUG
> > #define DPRINTK_FLAGS_DEFAULT DPRINTK_FLAGS_PRINT
> > #else
> > #define DPRINT_FLAGS_DEFAULT 0
> > #endif
> > That seems pretty sensible to me.  Jason?
> cool idea. I like it.

You've got a bunch of patches ready to
be pulled/queued, so I think you should
do it.

cheers, Joe


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