linux-kernel - Re: [PATCH] x86: Don't pretend that non-framepointer stack traces are reliable

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Date:	Mon, 9 Feb 2009 09:46:03 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH] x86: Don't pretend that non-framepointer stack traces
	are reliable


* Arjan van de Ven <arjan@...radead.org> wrote:

> >From f460ce92e09770691855b98a904556e92d39ead9 Mon Sep 17 00:00:00 2001
> From: Arjan van de Ven <arjan@...ux.intel.com>
> Date: Sat, 7 Feb 2009 12:20:20 -0800
> Subject: [PATCH] x86: Don't pretend that non-framepointer stack traces are reliable
> 
> without frame pointers enabled, the x86 stack traces should not
> pretend to be reliable; instead they should just be what they are:
> unreliable.
> 
> The effect of this is that they have a ? printed in the stacktrace,
> to warn the reader that these entries are guesses rather than known
> based on more reliable information.
> 
> Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>
> ---
>  arch/x86/kernel/dumpstack.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)

applied to tip/x86/debug, thanks Arjan!

	Ingo
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