From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCH] Check use I/O bitmap first before unconditional I/O exit
Date: Wed, 8 Jan 2014 19:01:48 -0200
Message-ID: <20140108210147.GA20624@amt.cnet>
References: <1388436989-8597-1-git-send-email-zzhsuny@gmail.com>
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Cc: gleb@redhat.com, pbonzini@redhat.com, hpa@zytor.com,
	kvm@vger.kernel.org
To: Zhihui Zhang <zzhsuny@gmail.com>
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On Mon, Dec 30, 2013 at 03:56:29PM -0500, Zhihui Zhang wrote:
> According to Table C-1 of Intel SDM 3C, a VM exit happens on an I/O instruction when
> "use I/O bitmaps" VM-execution control was 0 _and_ the "unconditional I/O exiting"
> VM-execution control was 1. So we can't just check "unconditional I/O exiting" alone.
> This patch was improved by suggestion from Jan Kiszka.
> 
> Signed-off-by: Zhihui Zhang <zzhsuny@gmail.com>

Applied, thanks.