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From: Joe Perches <joe@perches.com>
To: Jason Baron <jbaron@redhat.com>
Cc: Jim Cromie <jim.cromie@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-i2c@vger.kernel.org
Subject: Re: RFC: Use dynamic-debug with pr_debug when -DDEBUG is set
Date: Wed, 10 Aug 2011 18:03:48 -0700	[thread overview]
Message-ID: <1313024628.11924.139.camel@Joe-Laptop> (raw)
In-Reply-To: <20110811002039.GA3552@redhat.com>

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



  reply	other threads:[~2011-08-11  1:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-10 21:06 dynamic-debug not built into scx200_acb, scx200_i2c Jim Cromie
2011-08-10 23:50 ` Joe Perches
2011-08-11  0:01   ` RFC: Use dynamic-debug with pr_debug when -DDEBUG is set Joe Perches
2011-08-11  0:20     ` Jason Baron
2011-08-11  1:03       ` Joe Perches [this message]
2011-08-11  5:44         ` Jim Cromie
2011-08-11  6:06           ` Joe Perches
2011-08-10 23:52 ` dynamic-debug not built into scx200_acb, scx200_i2c Jason Baron

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