Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751659Ab3FJHGs (ORCPT ); Mon, 10 Jun 2013 03:06:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59323 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751305Ab3FJHGq (ORCPT ); Mon, 10 Jun 2013 03:06:46 -0400 Date: Mon, 10 Jun 2013 10:07:11 +0300 From: "Michael S. Tsirkin" To: David Miller Cc: bhutchings@solarflare.com, eric.dumazet@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, rusty@rustcorp.com.au, virtualization@lists.linux-foundation.org Subject: Re: [PATCH 0/2] fix kernel crash with macvtap on top of LRO Message-ID: <20130610070710.GA673@redhat.com> References: <1360193660.32217.39.camel@deadeye.wl.decadent.org.uk> <1360207111.28557.47.camel@edumazet-glaptop> <1360254046.3605.8.camel@bwh-desktop.uk.solarflarecom.com> <20130207.131420.1211188723341167971.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130207.131420.1211188723341167971.davem@davemloft.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 938 Lines: 25 On Thu, Feb 07, 2013 at 01:14:20PM -0500, David Miller wrote: > From: Ben Hutchings > Date: Thu, 7 Feb 2013 16:20:46 +0000 > > > If the consensus is still that we must preserve packets exactly (aside > > from the usual modifications by IP routers) then LRO should be disabled > > on all devices for which forwarding is enabled. > > I believe this is still undoubtedly the consensus. With virtio we are getting packets from a linux host, so we could thinkably preserve packets exactly even with LRO. I am guessing other hardware could be doing this as well. I am not sure what information would need to be preserved - could someone help clarify please? -- MST -- 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/