Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756430Ab1EPXca (ORCPT ); Mon, 16 May 2011 19:32:30 -0400 Received: from e37.co.us.ibm.com ([32.97.110.158]:38661 "EHLO e37.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753733Ab1EPXc2 (ORCPT ); Mon, 16 May 2011 19:32:28 -0400 Subject: Re: [PATCH V5 2/6 net-next] netdevice.h: Add zero-copy flag in netdevice From: Shirley Ma To: "Michael S. Tsirkin" Cc: Ben Hutchings , David Miller , Eric Dumazet , Avi Kivity , Arnd Bergmann , netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20110516211459.GE18148@redhat.com> References: <1305574128.3456.23.camel@localhost.localdomain> <1305574518.2885.25.camel@bwh-desktop> <1305574680.3456.33.camel@localhost.localdomain> <1305575253.2885.28.camel@bwh-desktop> <20110516211459.GE18148@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Mon, 16 May 2011 16:32:18 -0700 Message-ID: <1305588738.3456.65.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 (2.28.3-1.fc12) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 490 Lines: 14 Hello Michael, Looks like to use a new flag requires more time/work. I am thinking whether we can just use HIGHDMA flag to enable zero-copy in macvtap to avoid the new flag for now since mavctap uses real NICs as lower device? Thanks Shirley -- 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/