linux-kernel - Re: kgdb in git-x86#mm review

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Message-ID: <y0mhcgf4ig1.fsf@ton.toronto.redhat.com>
Date:	Mon, 11 Feb 2008 10:32:46 -0500
From:	fche@...hat.com (Frank Ch. Eigler)
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: kgdb in git-x86#mm review

Andi Kleen <andi@...stfloor.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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