From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <bruce.richardson@intel.com>
Received: from mga01.intel.com (mga01.intel.com [192.55.52.88])
 by dpdk.org (Postfix) with ESMTP id B60056CC3;
 Wed, 19 Oct 2016 11:55:29 +0200 (CEST)
Received: from fmsmga006.fm.intel.com ([10.253.24.20])
 by fmsmga101.fm.intel.com with ESMTP; 19 Oct 2016 02:55:28 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.31,514,1473145200"; d="scan'208";a="21161338"
Received: from bricha3-mobl3.ger.corp.intel.com ([10.237.210.138])
 by fmsmga006.fm.intel.com with SMTP; 19 Oct 2016 02:55:26 -0700
Received: by  (sSMTP sendmail emulation); Wed, 19 Oct 2016 10:55:25 +0100
Date: Wed, 19 Oct 2016 10:55:25 +0100
From: Bruce Richardson <bruce.richardson@intel.com>
To: Declan Doherty <declan.doherty@intel.com>
Cc: Ilya Maximets <i.maximets@samsung.com>, dev@dpdk.org,
 Heetae Ahn <heetae82.ahn@samsung.com>,
 Yuanhan Liu <yuanhan.liu@linux.intel.com>,
 Eric Kinzie <ehkinzie@gmail.com>,
 Bernard Iremonger <bernard.iremonger@intel.com>, stable@dpdk.org
Message-ID: <20161019095525.GK27816@bricha3-MOBL3.ger.corp.intel.com>
References: <1473251290-22053-1-git-send-email-i.maximets@samsung.com>
 <a785b1de-5b8e-1847-8e67-2e86a67aecf9@intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <a785b1de-5b8e-1847-8e67-2e86a67aecf9@intel.com>
Organization: Intel Research and =?iso-8859-1?Q?De=ACvel?=
 =?iso-8859-1?Q?opment?= Ireland Ltd.
User-Agent: Mutt/1.7.1 (2016-10-04)
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] Revert "bonding: use existing
 enslaved device queues"
X-BeenThere: stable@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches for stable branches <stable.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/stable>,
 <mailto:stable-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/stable/>
List-Post: <mailto:stable@dpdk.org>
List-Help: <mailto:stable-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/stable>,
 <mailto:stable-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Wed, 19 Oct 2016 09:55:30 -0000

On Thu, Oct 06, 2016 at 03:32:36PM +0100, Declan Doherty wrote:
> On 07/09/16 13:28, Ilya Maximets wrote:
> > This reverts commit 5b7bb2bda5519b7800f814df64d4e015282140e5.
> > 
> > It is necessary to reconfigure all queues every time because configuration
> > can be changed.
> > 
> 
> Hey Ilya, this makes sense. I guess this was my original intention but I
> missed this case in my review of the change.
> 
> > For example, if we're reconfiguring bonding device with new memory pool,
> > already configured queues will still use the old one. And if the old
> > mempool be freed, application likely will panic in attempt to use
> > freed mempool.
> > 
> > This happens when we use the bonding device with OVS 2.6 while MTU
> > reconfiguration:
> > 
> > PANIC in rte_mempool_get_ops():
> > assert "(ops_index >= 0) && (ops_index < RTE_MEMPOOL_MAX_OPS_IDX)" failed
> > 
> > Cc: <stable@dpdk.org>
> > Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
> > ---
> 
> Acked-by: Declan Doherty <declan.doherty@intel.com>

Applied to dpdk-next-net/rel_16_11

/Bruce