From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuanhan Liu Subject: Re: [dpdk-stable] [PATCH 0/2] fix mbufs leakage during Rx queue release on ixgbe/i40e Date: Mon, 19 Sep 2016 22:47:43 +0800 Message-ID: <20160919144743.GK10323@yliu-dev.sh.intel.com> References: <1472489448-15911-1-git-send-email-yury.kylulin@intel.com> <20160919132932.GA45256@bricha3-MOBL3> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Bruce Richardson , stable@dpdk.org, Yury Kylulin , helin.zhang@intel.com, "Ananyev, Konstantin" , jingjing.wu@intel.com, wenzhuo.lu@intel.com, dev To: Christian Ehrhardt Return-path: Content-Disposition: inline In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Mon, Sep 19, 2016 at 03:52:25PM +0200, Christian Ehrhardt wrote: > On Mon, Sep 19, 2016 at 3:29 PM, Bruce Richardson < > bruce.richardson@intel.com> wrote: > > > > This patch set fixes problem when mbufs are not released back to the > > > original memory pool during Rx queue relese call leading to mbufs > > > "leakage". > > > > > > This issue happens when device stop (rte_eth_dev_stop()) will be called > > > after device start (rte_eth_dev_start()) without any incoming packets > > > received since device start. In this case both rxq->rx_tail and > > > rxq->rxrearm_start equal to 0 and release cycle will not be executed. > > > On the next device start (rte_eth_dev_start()) new set of mbufs for the > > > RX queue will be allocated. > > > > > > Yury Kylulin (2): > > > net/ixgbe: fix mbufs leakage during Rx queue release > > > net/i40e: fix mbufs leakage during Rx queue release > > > > > Applied to dpdk-next-net/rel_16_11 > > > > I don't know the underlying code well enough, Me, neither. > but given the description I'd > expect that qualifies for the stable tree? But, yes, I agree with Christian. > Set stable@dpdk on cc. Thanks for doing that. --yliu