From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH][RFC] Emulating real mode with x86_emulate
Date: Fri, 30 Mar 2007 23:25:48 +0200
Message-ID: <20070330212548.GA10338@one.firstfloor.org>
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To: Anthony Liguori <aliguori@us.ibm.com>
Cc: "Nakajima, Jun" <jun.nakajima@intel.com>, Andi Kleen <andi@firstfloor.org>, Keir Fraser <keir@xensource.com>, xen-devel@lists.xensource.com
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> There are some hard problems with migrating into QEMU.  Namely, the code 
> that QEMU generates isn't SMP safe (atomic instructions lose their 
> atomicity)

I see.

You're worrying that real mode startup trampolines of OS rely 
on atomic instructions?  I can't think of much other possible real mode
multi CPU code.

-Andi