On Thu, Aug 13, 2009 at 03:48:35PM +0200, Arnd Bergmann wrote: > On Thursday 13 August 2009, Arnd Bergmann wrote: > > Unfortunately, this also implies that you could no longer simply use the > > packet socket interface as you do currently, as I realized only now. > > This obviously has a significant impact on your user space interface. > > Also, if we do the copy in the transport, it definitely means that we > can't get to zero-copy RX/TX from guest space any more. The current > vhost_net driver doesn't do that yet, but could be extended in the > same way that I'm hoping to do it for macvtap. > > Arnd <><
The best way to do this IMO would be to add zero copy support to raw sockets, vhost will then get it basically for free. -- MST -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
