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From: "John W. Linville" <linville@tuxdriver.com>
To: Joe Perches <joe@perches.com>
Cc: linux-wireless@vger.kernel.org, Hauke Mehrtens <hauke@hauke-m.de>,
	"Luis R. Rodriguez" <lrodriguez@qca.qualcomm.com>
Subject: Re: [PATCH] compat-wireless: avoid pr_fmt build SPAM
Date: Fri, 18 Nov 2011 17:34:46 -0500	[thread overview]
Message-ID: <20111118223445.GA5642@tuxdriver.com> (raw)
In-Reply-To: <1321655181.2367.1.camel@Joe-Laptop>

On Fri, Nov 18, 2011 at 02:26:21PM -0800, Joe Perches wrote:
> On Fri, 2011-11-18 at 15:54 -0500, John W. Linville wrote:
> > The way the compat-* header files are included causes the default
> > pr_fmt definition from <linux/kernel.h> to be evaluated for every file.
> > Files that define pr_fmt then generate a lot of build SPAM about
> > pr_fmt being redefined.
> > 
> > Eliminate the build noise by preemptively undefining pr_fmt in those
> > files that define it.  This is accomplished by adding a patch to the
> > patches directory.
> 
> Why not undef pr_fmt after the compat-* headers?

That caused a build break.  IIRC, not everyone that uses pr_*
defines pr_fmt.  If pr_fmt is undef'd then they don't compile.

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@tuxdriver.com			might be all we have.  Be ready.

  reply	other threads:[~2011-11-18 22:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-18 20:54 [PATCH] compat-wireless: avoid pr_fmt build SPAM John W. Linville
2011-11-18 21:00 ` Johannes Berg
2011-11-18 21:09   ` John W. Linville
2011-11-18 21:12   ` Luis R. Rodriguez
2011-11-18 21:49     ` John W. Linville
2011-11-18 22:26 ` Joe Perches
2011-11-18 22:34   ` John W. Linville [this message]
2011-11-18 23:03     ` Luis R. Rodriguez
2011-11-18 23:21       ` Hauke Mehrtens

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