From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Joonwoo Park" Subject: Re: [PATCH] [NET]: Fix Ooops of napi net_rx_action. Date: Wed, 12 Dec 2007 08:27:39 +0900 Message-ID: References: <001801c83bd6$2001d410$9c94fea9@jason> <20071211.023218.31965443.davem@davemloft.net> <36D9DB17C6DE9E40B059440DB8D95F5203F82FC3@orsmsx418.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "David Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, herbert@gondor.apana.org.au, "Kok, Auke-jan H" To: "Brandeburg, Jesse" Return-path: Received: from wa-out-1112.google.com ([209.85.146.183]:2835 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752144AbXLKX1k (ORCPT ); Tue, 11 Dec 2007 18:27:40 -0500 Received: by wa-out-1112.google.com with SMTP id v27so2724wah.23 for ; Tue, 11 Dec 2007 15:27:39 -0800 (PST) In-Reply-To: <36D9DB17C6DE9E40B059440DB8D95F5203F82FC3@orsmsx418.amr.corp.intel.com> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: 2007/12/12, Brandeburg, Jesse : > Joonwoo Park wrote: > > /* If no Tx and not enough Rx work done, exit the polling mode */ > > if ((!tx_cleaned && (work_done == 0)) || > > !netif_running(poll_dev)) { > > quit_polling: > > if (likely(adapter->itr_setting & 3)) > > e1000_set_itr(adapter); > > netif_rx_complete(poll_dev, napi); > > e1000_irq_enable(adapter); > > all drivers using NAPI in 2.6.24+ (NNAPI??) must return zero here, after > calling netif_rx_complete. netif_rx_complete plus work_done != 0 causes > a bug. > > > } > > > > return work_done; > > } > > > I'm working another patch for drivers (maybe patches) Thanks. Joonwoo