From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: KVM crash on unusual PM->RM transition
Date: Tue, 14 Apr 2009 09:17:29 -0700
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Cc: kvm@vger.kernel.org
To: Avi Kivity <avi@redhat.com>
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Avi Kivity wrote:
> 
> Sorry, not specific enough: it doesn't do real SMP.  Atomic instructions
> are translated as multiple, non-atomic instructions, so you can't run
> tcg compiled code in parallel.  If your host is different than your
> target, you have memory ordering issues as well.
> 
> What qemu does is to multiplex multiple guest cpus on one host thread. 
> It's nice but it isn't how kvm works.
> 

Erk, nevermind.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.