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Message-ID: <44EC194E.6080606@vmware.com>
Date: Wed, 23 Aug 2006 02:01:02 -0700
From: Zachary Amsden <zach@...are.com>
To: Andi Kleen <ak@...e.de>
Cc: Arjan van de Ven <arjan@...radead.org>,
virtualization@...ts.osdl.org,
Jeremy Fitzhardinge <jeremy@...p.org>,
Andrew Morton <akpm@...l.org>,
Chris Wright <chrisw@...s-sol.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] paravirt.h
Andi Kleen wrote:
>> Yes, after discussion with Rusty, it appears that beefing up
>> stop_machine_run is the right way to go. And it has benefits for
>> non-paravirt code as well, such as allowing plug-in kprobes or oprofile
>> extension modules to be loaded without having to deal with a debug
>> exception or NMI during module load/unload.
>>
>
> I'm still unclear where you think those debug exceptions will come from
kprobes set in the stop_machine code - which is probably a really bad
idea, but nothing today actively stops kprobes from doing that.
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