From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCHv2] KVM: x86 emulator: fix xchg instruction emulation
Date: Thu, 15 Jul 2010 23:05:00 -0300
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Cc: Avi Kivity <avi@redhat.com>, kvm@vger.kernel.org
To: Wei Yongjun <yjwei@cn.fujitsu.com>
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On Thu, Jul 15, 2010 at 08:51:58AM +0800, Wei Yongjun wrote:
> If the destination is a memory operand and the memory cannot
> map to a valid page, the xchg instruction emulation and locked
> instruction will not work on io regions and stuck in endless
> loop. We should emulate exchange as write to fix it.
> 
> Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
> Acked-by: Gleb Natapov <gleb@redhat.com>

Applied, thanks.