Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756056AbZKWIym (ORCPT ); Mon, 23 Nov 2009 03:54:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753798AbZKWIyl (ORCPT ); Mon, 23 Nov 2009 03:54:41 -0500 Received: from mx1.redhat.com ([209.132.183.28]:21314 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752576AbZKWIyk (ORCPT ); Mon, 23 Nov 2009 03:54:40 -0500 Subject: Re: [PATCH 0/1] Defer skb allocation for both mergeable buffers and big packets in virtio_net From: Mark McLoughlin Reply-To: Mark McLoughlin To: Rusty Russell Cc: Shirley Ma , "Michael S. Tsirkin" , Avi Kivity , netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Anthony Liguori In-Reply-To: <200911231123.18898.rusty@rustcorp.com.au> References: <1258697359.7416.14.camel@localhost.localdomain> <200911231123.18898.rusty@rustcorp.com.au> Content-Type: text/plain; charset="UTF-8" Date: Mon, 23 Nov 2009 08:51:50 +0000 Message-Id: <1258966310.14708.11.camel@blaa> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 579 Lines: 16 On Mon, 2009-11-23 at 11:23 +1030, Rusty Russell wrote: > I'd like to drop big packet support from our driver, but I don't know > how many kvm hosts will not offer mergable rx bufs yet. Anthony? Mergeable rx bufs were first added in kvm-80 and qemu-0.10.0 So e.g., it's in Fedora since Fedora 11 and RHEL since 5.4 Cheers, Mark. -- 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/