From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [RFC 7/11] virtio_pci: new, capability-aware driver. Date: Wed, 11 Jan 2012 22:14:38 +0200 Message-ID: <20120111201436.GA27292@redhat.com> References: <8762gj6q5r.fsf@rustcorp.com.au> <4F0D8EFA.3010503@codemonkey.ws> <20120111151230.GA20570@redhat.com> <4F0DA7A5.7050600@codemonkey.ws> <20120111152129.GB20570@redhat.com> <4F0DAA9B.7060703@codemonkey.ws> <20120111154515.GD20570@redhat.com> <4F0DB2AB.8030506@codemonkey.ws> <20120111170859.GA22310@redhat.com> <4F0DE62F.6030805@codemonkey.ws> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <4F0DE62F.6030805@codemonkey.ws> 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 To: Anthony Liguori Cc: Pawel Moll , Benjamin Herrenschmidt , virtualization , Christian Borntraeger , Sasha Levin List-Id: virtualization@lists.linuxfoundation.org On Wed, Jan 11, 2012 at 01:42:39PM -0600, Anthony Liguori wrote: > On 01/11/2012 11:08 AM, Michael S. Tsirkin wrote: > > > >Not sure what you mean. Using VQ is DMA which is pretty common for PCI. > > Do you know of a network device that obtains it's mac address via a DMA transaction? Sure. See mlx4_replace_mac in drivers/net/ethernet/mellanox/mlx4/port.c > Regards, > > Anthony Liguori > > > > >>>