From: Greg KH <gregkh@linuxfoundation.org>
To: Joe Perches <joe@perches.com>
Cc: Jason Baron <jbaron@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dynamic_debug: Remove unnecessary __used
Date: Thu, 18 Oct 2012 12:40:27 -0700 [thread overview]
Message-ID: <20121018194027.GA1246@kroah.com> (raw)
In-Reply-To: <1350587223.5652.4.camel@joe-AO722>
On Thu, Oct 18, 2012 at 12:07:03PM -0700, Joe Perches wrote:
> The __used attribute prevents gcc from eliminating
> unnecessary, otherwise optimized away, metadata for
> debugging logging messages.
>
> Remove the __used attribute.
Very cool. Any idea how much space this saves?
greg k-h
next prev parent reply other threads:[~2012-10-18 19:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-18 19:07 [PATCH] dynamic_debug: Remove unnecessary __used Joe Perches
2012-10-18 19:20 ` Jason Baron
2012-10-18 21:02 ` Greg KH
2012-10-18 19:40 ` Greg KH [this message]
2012-10-18 19:59 ` Joe Perches
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