From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anthony Liguori <aliguori@us.ibm.com>
Subject: Re: [PATCH][RFC] Emulating real mode with x86_emulate
Date: Fri, 30 Mar 2007 16:20:38 -0500
Message-ID: <460D7F26.2080809@us.ibm.com>
References: <4607074E.1030807@us.ibm.com> <p73mz1uqt5q.fsf@bingen.suse.de>
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To: Andi Kleen <andi@firstfloor.org>
Cc: xen-devel@lists.xensource.com, Keir Fraser <keir@xensource.com>, "Nakajima,
	Jun" <jun.nakajima@intel.com>
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Andi Kleen wrote:
> Anthony Liguori <aliguori@us.ibm.com> writes:
>
>   
>> Attached is a patch that begins to lay down the infrastructure for
>> emulating real mode with x86_emulate().  With a little more
>> refactoring, I think it could also replace the SVM emulator.
>>     
>
> I thought the roadmap direction of this was to migrate the context
> into qemu and let its JIT handle it? Or has that been dropped?
>   

There are some hard problems with migrating into QEMU.  Namely, the code 
that QEMU generates isn't SMP safe (atomic instructions lose their 
atomicity).

Regards,

Anthony Liguori

> -Andi
>