From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Lameter <cl@linux-foundation.org>
Subject: Re: linux-next: manual merge of the rr tree
Date: Wed, 7 Jan 2009 13:01:06 -0600 (CST)
Message-ID: <Pine.LNX.4.64.0901071300430.8329@quilx.com>
References: <20090105143239.08b1a060.sfr@canb.auug.org.au>
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To: Andi Kleen <andi@firstfloor.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>, Stephen Rothwell <sfr@canb.auug.org.au>, linux-next@vger.kernel.org, Mike Travis <travis@sgi.com>, Ingo Molnar <mingo@elte.hu>, Richard Henderson <rth@twiddle.net>

On Wed, 7 Jan 2009, Andi Kleen wrote:

> The C standard says that arithmetic on pointers in defined objects outside
> the boundaries of these objects (except for the special case of one beyond
> the end for arrays) is undefined. The gcc optimizers take advantage
> of this by assuming that such arithmetic doesn't wrap (and might have other
> assumptions)

Ok then we need to say so in a comment around RELOC_HIDE.