From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e35.co.us.ibm.com (e35.co.us.ibm.com [32.97.110.153]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e35.co.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 76AE167CD4 for ; Thu, 7 Dec 2006 10:46:32 +1100 (EST) Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e35.co.us.ibm.com (8.13.8/8.12.11) with ESMTP id kB6NkTWG006836 for ; Wed, 6 Dec 2006 18:46:29 -0500 Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.6/8.13.6/NCO v8.1.1) with ESMTP id kB6NkTq0531994 for ; Wed, 6 Dec 2006 16:46:29 -0700 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id kB6NkSWo002620 for ; Wed, 6 Dec 2006 16:46:29 -0700 Date: Wed, 6 Dec 2006 17:46:28 -0600 To: Andrew Morton Subject: [PATCH 14/16] Spidernet Avoid possible RX chain corruption Message-ID: <20061206234628.GN4649@austin.ibm.com> References: <20061206223223.GH17931@austin.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20061206223223.GH17931@austin.ibm.com> From: linas@austin.ibm.com (Linas Vepstas) Cc: Arnd Bergmann , netdev@vger.kernel.org, James K Lewis , linuxppc-dev@ozlabs.org, jgarzik@pobox.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Delete possible source of chain corruption; the hardware already knows the location of the tail, and writing it again is likely to mess it up. Signed-off-by: Linas Vepstas Cc: James K Lewis Cc: Arnd Bergmann ---- drivers/net/spider_net.c | 1 - 1 file changed, 1 deletion(-) Index: linux-2.6.19-git7/drivers/net/spider_net.c =================================================================== --- linux-2.6.19-git7.orig/drivers/net/spider_net.c 2006-12-06 16:03:16.000000000 -0600 +++ linux-2.6.19-git7/drivers/net/spider_net.c 2006-12-06 16:03:18.000000000 -0600 @@ -1195,7 +1195,6 @@ spider_net_handle_rxram_full(struct spid while (spider_net_decode_one_descr(card, 0)); spider_net_refill_rx_chain(card); - spider_net_enable_rxchtails(card); spider_net_enable_rxdmac(card); netif_rx_schedule(card->netdev); spider_net_rx_irq_on(card);