From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shirley Ma <mashirle@us.ibm.com>
Subject: Re: [RFC PATCH v8 00/16] Provide a zero-copy method on KVM
 virtio-net.
Date: Mon, 02 Aug 2010 09:25:19 -0700
Message-ID: <1280766319.22830.24.camel@localhost.localdomain>
References: <1280402088-5849-1-git-send-email-xiaohui.xin@intel.com>
	 <1280442682.9058.15.camel@localhost.localdomain>
	 <4C525CD2.5080604@redhat.com>
	 <1280504771.9058.25.camel@localhost.localdomain>
	 <4C552DC4.5000600@redhat.com>
	 <1280764918.22830.7.camel@localhost.localdomain>
	 <4C56EE3D.1050203@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Cc: xiaohui.xin@intel.com, netdev@vger.kernel.org, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org, mst@redhat.com, mingo@elte.hu,
	davem@davemloft.net, herbert@gondor.hengli.com.au,
	jdike@linux.intel.com
To: Avi Kivity <avi@redhat.com>
Return-path: <kvm-owner@vger.kernel.org>
In-Reply-To: <4C56EE3D.1050203@redhat.com>
Sender: kvm-owner@vger.kernel.org
List-Id: netdev.vger.kernel.org

On Mon, 2010-08-02 at 19:11 +0300, Avi Kivity wrote:
> I don't understand this. gup_fast() only calls gup() if the page is 
> swapped out or read-only.

Oh, I used the page as read-only on xmit path. Should I use write
instead?

Thanks
Shirley