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Date: Sun, 29 Apr 2007 14:45:42 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Dave Jones <davej@redhat.com>
Cc: bbpetkov@yahoo.de, Andy Whitcroft <apw@shadowen.org>,
       linux-kernel@vger.kernel.org,
       Jeremy Fitzhardinge <jeremy@xensource.com>
Subject: Re: [PATCH] mm/memory.c: remove warning from an uninitialized
 spinlock. was: Re: 2.6.21-rc7-mm2
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On Sun, 29 Apr 2007 17:36:01 -0400 Dave Jones <davej@redhat.com> wrote:

> On Sun, Apr 29, 2007 at 02:24:40AM -0700, Andrew Morton wrote:
>  > On Sun, 29 Apr 2007 08:50:49 +0200 Borislav Petkov <bbpetkov@yahoo.de> wrote:
>  > 
>  > > Introduce a macro for suppressing gcc from generating a warning about a probable
>  > > unitialized state of a variable.
>  > 
>  > I ended up doing the below.
>  > 
>  > It's better to make this a per-compiler-version thing: later versions of
>  > gcc might need different tricks, or might provide __attribute__((stfu)) or
>  > whatever.
> 
> __attribute__((unused))  ?

That'll prevent unused-variable warnings, but there doesn't appear to be
an attribute to prevent might-be-used-uninitialized warnings.