Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754906AbZAGMbB (ORCPT ); Wed, 7 Jan 2009 07:31:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752231AbZAGMas (ORCPT ); Wed, 7 Jan 2009 07:30:48 -0500 Received: from rhun.apana.org.au ([64.62.148.172]:46784 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751810AbZAGMap (ORCPT ); Wed, 7 Jan 2009 07:30:45 -0500 Date: Wed, 7 Jan 2009 23:30:36 +1100 From: Herbert Xu To: Evgeniy Polyakov Cc: Jens Axboe , Willy Tarreau , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: Data corruption issue with splice() on 2.6.27.10 Message-ID: <20090107123036.GA25898@gondor.apana.org.au> References: <20090106183223.GA11964@ioremap.net> <20090106183704.GC32491@kernel.dk> <20090107044232.GA22218@gondor.apana.org.au> <20090107112906.GA28161@ioremap.net> <20090107115032.GA25198@gondor.apana.org.au> <20090107115605.GA29250@ioremap.net> <20090107115921.GA25323@gondor.apana.org.au> <20090107121530.GA30164@ioremap.net> <20090107122238.GB25673@gondor.apana.org.au> <20090107122731.GA25846@gondor.apana.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090107122731.GA25846@gondor.apana.org.au> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 748 Lines: 19 On Wed, Jan 07, 2009 at 11:27:31PM +1100, Herbert Xu wrote: > > OK that can't happen because the linearisation precedes that, but > ARP (or anything else that delays the skb prior to dev_queue_xmit) > can still cause corruption. In fact it's probably TCP that's delaying the packet. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/