From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark McLoughlin Subject: Re: [PATCH 0/5] kvm: qemu: virtio_net: add support for mergeable rx buffers Date: Thu, 27 Nov 2008 13:32:17 +0000 Message-ID: <1227792737.24571.24.camel@blaa> References: <1223991840.11098.29.camel@blaa> <1227711038-21942-1-git-send-email-markmc@redhat.com> <492E9687.7030501@redhat.com> Reply-To: Mark McLoughlin Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Rusty Russell , Herbert Xu , Anthony Liguori To: Avi Kivity Return-path: Received: from mx2.redhat.com ([66.187.237.31]:38923 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753811AbYK0Ndl (ORCPT ); Thu, 27 Nov 2008 08:33:41 -0500 In-Reply-To: <492E9687.7030501@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Thu, 2008-11-27 at 14:45 +0200, Avi Kivity wrote: > Mark McLoughlin wrote: > > Hi, > > The mergeable receive buffers scheme has been in the Linux > > virtio_net driver in net-next-2.6 for a while now, so it's probably > > safe to assume what's there now is the final iteration of the ABI. > > > > The following patches implement support for the scheme in > > KVM. Only the 5/5 patch contains functional changes. > > > > Applied all, thanks. Great. > > Changes since last time: > > > > + We now peak at how much buffer space is actually available in the > > ring and no longer assume that buffers are at least 4k > > > > + The new header is now 'struct virtio_net_hdr_mrg_rxbuf' rather > > than 'struct virtio_net_hdr2' > > > > Does the updated driver support both? Nope, just the struct virtio_net_hdr_mrg_rxbuf' Cheers, Mark.