From: Marcelo Tosatti <mtosatti@redhat.com>
To: Wei Yongjun <yjwei@cn.fujitsu.com>
Cc: Avi Kivity <avi@redhat.com>, kvm@vger.kernel.org
Subject: Re: [PATCHv2] KVM: x86 emulator: fix xchg instruction emulation
Date: Thu, 15 Jul 2010 23:05:00 -0300 [thread overview]
Message-ID: <20100716020500.GD21287@amt.cnet> (raw)
In-Reply-To: <4C3E5BAE.1010306@cn.fujitsu.com>
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.
prev parent reply other threads:[~2010-07-16 2:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-14 5:15 [PATCH] KVM: x86 emulator: fix xchg instruction emulation Wei Yongjun
2010-07-14 8:35 ` Gleb Natapov
2010-07-14 16:37 ` Marcelo Tosatti
2010-07-15 0:51 ` [PATCHv2] " Wei Yongjun
2010-07-16 2:05 ` Marcelo Tosatti [this message]
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