To: Andi Kleen <andi@firstfloor.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: kgdb in git-x86#mm review
References: <20080211015321.GA27376@one.firstfloor.org>
From: fche@redhat.com (Frank Ch. Eigler)
Date: Mon, 11 Feb 2008 10:32:46 -0500
In-Reply-To: <20080211015321.GA27376@one.firstfloor.org> (Andi Kleen's message of "Mon, 11 Feb 2008 02:53:21 +0100")
Message-ID: <y0mhcgf4ig1.fsf@ton.toronto.redhat.com>
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Andi Kleen <andi@firstfloor.org> writes:

> [...]  The kgdb code in git-x86#mm is right now is totally broken of
> course because the CFI annotations in assembler code are gone now,
> but they are needed for gdb use.  [...]

This loss of CFI data is unfortunate for other potential consumers
too, such as systemtap, which intends to supplement its current stack
backtracing heuristics with CFI data.

- FChE
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