From mboxrd@z Thu Jan  1 00:00:00 1970
From: Zachary Amsden <zach@vmware.com>
Subject: Re: [PATCH] Fix potential interrupts during alternative patching
 [was	Re: [RFC] Avoid PIT SMP lockups]
Date: Thu, 19 Oct 2006 02:00:02 -0700
Message-ID: <45373E92.1070200@vmware.com>
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To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: caglar@pardus.org.tr, Andi Kleen <ak@suse.de>, lkml <linux-kernel@vger.kernel.org>, Virtualization Mailing List <virtualization@lists.osdl.org>, Greg KH <greg@kroah.com>, Andrew Morton <akpm@osdl.org>
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Jeremy Fitzhardinge wrote:
> Zachary Amsden wrote:
>> So this patch is an obvious bugfix - please apply, and to stable as 
>> well. I'm not sure when this broke, but taking interrupts in the 
>> middle of self modifying code is not a pretty sight.
>
> I had actually seen this when I built the Xen paravirt kernel with SMP 
> on, but I assumed it was something in the pv_ops tree rather than 
> mainline...

Very likely to show up in qemu as well, if you use that.