Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935596AbZDBLEs (ORCPT ); Thu, 2 Apr 2009 07:04:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933520AbZDBLEI (ORCPT ); Thu, 2 Apr 2009 07:04:08 -0400 Received: from victor.provo.novell.com ([137.65.250.26]:42872 "EHLO victor.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753979AbZDBLD6 (ORCPT ); Thu, 2 Apr 2009 07:03:58 -0400 Message-ID: <49D49C1F.6030306@novell.com> Date: Thu, 02 Apr 2009 07:06:07 -0400 From: Gregory Haskins User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: Avi Kivity CC: Herbert Xu , anthony@codemonkey.ws, andi@firstfloor.org, linux-kernel@vger.kernel.org, agraf@suse.de, pmullaney@novell.com, pmorreale@novell.com, rusty@rustcorp.com.au, netdev@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [RFC PATCH 00/17] virtual-bus References: <20090402085253.GA29932@gondor.apana.org.au> <49D47F11.6070400@redhat.com> <20090402091639.GA30126@gondor.apana.org.au> <49D484F5.2000400@redhat.com> <20090402092936.GA30333@gondor.apana.org.au> <49D487A6.407@redhat.com> In-Reply-To: <49D487A6.407@redhat.com> X-Enigmail-Version: 0.95.7 OpenPGP: id=D8195319 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig9803AE3409749F9CCEB49D91" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1600 Lines: 51 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig9803AE3409749F9CCEB49D91 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Avi Kivity wrote: > Herbert Xu wrote: >> On Thu, Apr 02, 2009 at 12:27:17PM +0300, Avi Kivity wrote: >> =20 >>> If tap told us when the packets were actually transmitted, life >>> would be wonderful: >>> =20 >> >> And why do we need this? Because we are in user space! >> >> =20 > > Why does a kernel solution not need to know when a packet is transmitte= d? > You do not need to know when the packet is copied (which I currently do). You only need it for zero-copy (of which I would like to support, but as I understand it there are problems with the reliability of proper callback (i.e. skb->destructor). Its "fire and forget" :) -Greg --------------enig9803AE3409749F9CCEB49D91 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iEYEARECAAYFAknUnB8ACgkQlOSOBdgZUxmsGwCfT3fimLl0+bnt3+Sma8FpZ92+ GEwAnim4V3RObdYhVUCcYWJlm8SG6dFQ =iwKi -----END PGP SIGNATURE----- --------------enig9803AE3409749F9CCEB49D91-- -- 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/