Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752324Ab0FTLgX (ORCPT ); Sun, 20 Jun 2010 07:36:23 -0400 Received: from ringil.hengli.com.au ([216.59.3.182]:55919 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751931Ab0FTLgV (ORCPT ); Sun, 20 Jun 2010 07:36:21 -0400 Date: Sun, 20 Jun 2010 21:36:09 +1000 From: Herbert Xu To: "Michael S. Tsirkin" Cc: "Xin, Xiaohui" , Stephen Hemminger , "netdev@vger.kernel.org" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "mingo@elte.hu" , "davem@davemloft.net" , "jdike@linux.intel.com" , Rusty Russell Subject: Re: [RFC PATCH v7 01/19] Add a new structure for skb buffer from external. Message-ID: <20100620113609.GA31693@gondor.apana.org.au> References: <20100617112119.GB1515@gondor.apana.org.au> <20100618055929.GA11333@gondor.apana.org.au> <20100620100631.GB4578@redhat.com> <20100620103235.GA31284@gondor.apana.org.au> <20100620103909.GA5285@redhat.com> <20100620110254.GA31484@gondor.apana.org.au> <20100620111124.GB5285@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100620111124.GB5285@redhat.com> 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: 889 Lines: 22 On Sun, Jun 20, 2010 at 02:11:24PM +0300, Michael S. Tsirkin wrote: > > Rather than modifying all guests, it seems much easier not to assume > specific buffer layout in host. Copying network header around seems a > small cost. Well sure we can debate the specifics of this implementation detail. However, the fact that virtio_net doesn't support feature renegotiation on live migration is not a valid reason against this. 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/