linux-kernel - Re: [PATCH] apparent typo in ixgb.h, "_DEBUG_DRIVER

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Date:	Tue, 10 Oct 2006 05:28:40 -0400 (EDT)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
cc:	linux-kernel@...r.kernel.org, trivial@...nel.org
Subject: Re: [PATCH] apparent typo in ixgb.h, "_DEBUG_DRIVER_" looks wrong

On Tue, 10 Oct 2006, Alexey Dobriyan wrote:

> On Tue, Oct 10, 2006 at 02:27:34AM -0400, Robert P. J. Day wrote:
> > I'm *guessing* that "_DEBUG_DRIVER_" should really be
> > "DEBUG_DRIVER" here, since there is no other occurrence of the
> > former anywhere in the source tree.
>
> Since it's debugging guard, underscored or not... doesn't matter.
> Convert to pr_debug or dev_dbg of you want to deal with it.
>
> > --- a/drivers/net/ixgb/ixgb.h
> > +++ b/drivers/net/ixgb/ixgb.h
> > @@ -77,7 +77,7 @@ #include "ixgb_hw.h"
> >  #include "ixgb_ee.h"
> >  #include "ixgb_ids.h"
> >
> > -#ifdef _DEBUG_DRIVER_
> > +#ifdef DEBUG_DRIVER
> >  #define IXGB_DBG(args...) printk(KERN_DEBUG "ixgb: " args)
> >  #else
> >  #define IXGB_DBG(args...)

but what you're suggesting is not equivalent.  i submitted that patch
to fix what *seems* to be an obvious, innocuous typo, to bring that
one header file into sync with the rest of the source tree, nothing
more.

if all debugging should now use either of pr_debug() or dev_dbg(),
that's fine but i notice that both of those macros will be defined
only if "DEBUG" is defined, not "DEBUG_DRIVER".  so making the change
you suggest would *not* be a trivial change.

what's the current standard for debugging directives in the kernel?

rday
-
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