From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <jianfeng.tan@intel.com>
Received: from mga07.intel.com (mga07.intel.com [134.134.136.100])
 by dpdk.org (Postfix) with ESMTP id 349CC101B
 for <dev@dpdk.org>; Sat, 30 Sep 2017 12:53:05 +0200 (CEST)
Received: from orsmga005.jf.intel.com ([10.7.209.41])
 by orsmga105.jf.intel.com with ESMTP; 30 Sep 2017 03:53:03 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.42,457,1500966000"; d="scan'208";a="155111123"
Received: from tanjianf-mobl.ccr.corp.intel.com (HELO [10.255.30.130])
 ([10.255.30.130])
 by orsmga005.jf.intel.com with ESMTP; 30 Sep 2017 03:53:01 -0700
To: Yuanhan Liu <yliu@fridaylinux.org>
References: <1503654052-84730-1-git-send-email-jianfeng.tan@intel.com>
 <1506606959-76230-1-git-send-email-jianfeng.tan@intel.com>
 <1506606959-76230-13-git-send-email-jianfeng.tan@intel.com>
 <20170930082319.GD6251@yliu-home>
Cc: dev@dpdk.org, bruce.richardson@intel.com, konstantin.ananyev@intel.com,
 pablo.de.lara.guarch@intel.com, thomas@monjalon.net,
 maxime.coquelin@redhat.com, mtetsuyah@gmail.com, ferruh.yigit@intel.com
From: "Tan, Jianfeng" <jianfeng.tan@intel.com>
Message-ID: <d9089219-d565-234e-d7b9-63f65c184811@intel.com>
Date: Sat, 30 Sep 2017 18:53:00 +0800
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101
 Thunderbird/45.8.0
MIME-Version: 1.0
In-Reply-To: <20170930082319.GD6251@yliu-home>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: [dpdk-dev] [PATCH v2 12/12] net/vhost: support to run in the
 secondary process
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Sat, 30 Sep 2017 10:53:05 -0000



On 9/30/2017 4:23 PM, Yuanhan Liu wrote:
> On Thu, Sep 28, 2017 at 01:55:59PM +0000, Jianfeng Tan wrote:
>> +static int
>>   new_device(int vid)
>>   {
>>   	struct rte_eth_dev *eth_dev;
>> @@ -610,6 +685,8 @@ new_device(int vid)
>>   	_rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC,
>>   				      NULL, NULL);
>>   
>> +	share_device(vid);
>> +
> Another question is, have you considered/tested the case when the VM
> changes the qeueue number later?

Yes, that is a covered test case, we use ethtool to increase the 
combined queue number; see cover letter for detail.

Thanks,
Jianfeng

> 	--yliu