linux-kernel - Re: [PATCH] kmemcheck: SMP support

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Message-ID: <4836E55C.5000304@goop.org>
Date:	Fri, 23 May 2008 16:40:12 +0100
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Vegard Nossum <vegard.nossum@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>, Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kmemcheck: SMP support

Vegard Nossum wrote:
> This works on real hw, but not on qemu. It seems to get stuck waiting for one
> of the atomic values to change. Don't know why yet, it might just be yet
> another bug in qemu... (we've hit at least two of them so far. And they were
> real bugs too.)
>   

I've noticed that qemu mis-reports the eip of cmpxchg if it faults (it 
reports the eip of the start of the basic block, I think).  Does that 
match what you're seeing?

    J
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