On Wed, Jan 11, 2012 at 02:26:55PM -0600, Anthony Liguori wrote: > On 01/11/2012 02:14 PM, Michael S. Tsirkin wrote: > >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 > > I'd say that's a special case but I see what you're getting at here. > > So what about keeping the config space read-only and using control > queues for everything else?
Not just read-only - constant. > Regards, > > Anthony Liguori > > > > >>Regards, > >> > >>Anthony Liguori > >> > >>> > >>>>> _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
