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From: Andi Kleen <ak@suse.de>
To: discuss@x86-64.org
Subject: Re: [discuss] [PATCH] allow CONFIG_FRAME_POINTER for x86-64
Date: Sat, 10 Sep 2005 02:16:45 +0200
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Cc: Chuck Ebbert <76306.1226@compuserve.com>, Hugh Dickins <hugh@veritas.com>,
       Jan Beulich <JBeulich@novell.com>,
       linux-kernel <linux-kernel@vger.kernel.org>
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On Friday 09 September 2005 19:50, Chuck Ebbert wrote:
> In-Reply-To: <Pine.LNX.4.61.0509091208350.6247@goblin.wat.veritas.com>
>
> On Fri, 9 Sep 2005 at 12:14:38 +0100 (BST), Hugh Dickins wrote:
> > On Fri, 9 Sep 2005, Andi Kleen wrote:
> > > It won't give more accurate backtraces, not even on i386 because
> > > show_stack doesn't have any code to follow frame pointers.
> >
> > Ah, right.
>
> What's this for, then? (arch/i386/kernel/traps.c line 116)

Ok someone added it when I wasn't looking. It certainly wasn't there some time
ago. However the point stands that x86-64 doesn't have such code.

-Andi