linux-kernel - Re: [PATCH 0/4] dynamic debug: cleanups + compile fix

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Date:	Fri, 26 Aug 2011 15:14:41 -0700
From:	Joe Perches <joe@...ches.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Jason Baron <jbaron@...hat.com>, Greg KH <greg@...ah.com>,
	jim.cromie@...il.com, bvanassche@....org, rdunlap@...otime.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] dynamic debug: cleanups + compile fix

On Fri, 2011-08-26 at 12:04 -0700, Greg KH wrote:
> On Fri, Aug 26, 2011 at 02:47:42PM -0400, Jason Baron wrote:
> > On Fri, Aug 26, 2011 at 11:29:00AM -0700, Greg KH wrote:
> > > On Thu, Aug 25, 2011 at 01:34:06PM -0400, Jason Baron wrote:
> > > > Hi,
> > > > 
> > > > This is a re-post of the last 3 patches, as requested by Greg:
> > > > https://lkml.org/lkml/2011/8/11/378
> > > > 
> > > > I've also added a compile fix that Randy Dunlap found in the -next tree.
> > > 
> > > Care to redo this based on the comments received so far?
> > > 
> > 
> > Hi,
> > 
> > I re-posted 3/4 based on the comments already. The comment on patch #1
> > regarding adding macro parenthesis, I don't believe makes any functional
> > change...do you still need a re-post the series?
> 
> Yes, please fix patch #1 adding the needed parenthesis and resend the
> whole series.

The parentheses aren't need.

A macro like
#define foo(a, b) a = b

that only uses each argument once without doing arithmetic
gains nothing from parentheses.

Just like
#define true 1
gains nothing from parenthesis either.



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