From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] virtio-net: put virtio net header inline with data Date: Tue, 16 Jul 2013 12:33:26 -0700 (PDT) Message-ID: <20130716.123326.798365002638711260.davem@davemloft.net> References: <87vc4kcfzg.fsf@rustcorp.com.au> <20130709.213807.350021632586146971.davem@davemloft.net> <8761wc38ea.fsf@rustcorp.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: amwang@redhat.com, mst@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, davej@redhat.com To: rusty@rustcorp.com.au Return-path: In-Reply-To: <8761wc38ea.fsf@rustcorp.com.au> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org From: Rusty Russell Date: Mon, 15 Jul 2013 11:13:25 +0930 > From: Michael S. Tsirkin > > For small packets we can simplify xmit processing > by linearizing buffers with the header: > most packets seem to have enough head room > we can use for this purpose. > Since existing hypervisors require that header > is the first s/g element, we need a feature bit > for this. > > Signed-off-by: Michael S. Tsirkin > Signed-off-by: Rusty Russell I really think this has to wait until the next merge window, sorry. Please resubmit this when I open net-next back up, thanks.