From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wei Xu <wexu@redhat.com>
Subject: Re: [PATCH net-next 8/8] vhost: event suppression for packed ring
Date: Wed, 4 Jul 2018 16:13:56 +0800
Message-ID: <20180704081356.GB9287@wei-ubt>
References: <1530596284-4101-1-git-send-email-jasowang@redhat.com>
	<1530596284-4101-9-git-send-email-jasowang@redhat.com>
	<20180704041352.GA9287@wei-ubt>
	<493c3a3e-e088-d6fb-1da4-cda8bfb34400@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Cc: kvm@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org,
	maxime.coquelin@redhat.com
To: Jason Wang <jasowang@redhat.com>
Return-path: <virtualization-bounces@lists.linux-foundation.org>
Content-Disposition: inline
In-Reply-To: <493c3a3e-e088-d6fb-1da4-cda8bfb34400@redhat.com>
List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/virtualization>,
	<mailto:virtualization-request@lists.linux-foundation.org?subject=unsubscribe>
List-Archive: <http://lists.linuxfoundation.org/pipermail/virtualization/>
List-Post: <mailto:virtualization@lists.linux-foundation.org>
List-Help: <mailto:virtualization-request@lists.linux-foundation.org?subject=help>
List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/virtualization>,
	<mailto:virtualization-request@lists.linux-foundation.org?subject=subscribe>
Sender: virtualization-bounces@lists.linux-foundation.org
Errors-To: virtualization-bounces@lists.linux-foundation.org
List-Id: netdev.vger.kernel.org
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