On Mon, Sep 19, 2016 at 09:07:08PM +0200, Paolo Bonzini wrote:
>
>
> On 19/09/2016 19:03, Stephen Hemminger wrote:
> > Ideally, the DPDK driver should use the best algorithm it can negotiate.
> > Be sure and test with old RHEL6 type systems, modern enterprise (RHEL/SLES)
> > and also Google Compute which has there own virtio. Not sure what virtual
> > box is doing??
>
> RHEL6 has all pre-1.0 features, but vbox doesn't have indirect
> descriptors. No idea about GCE.
>
> Paolo
As long as the compatibility code is maintained,
it might be cheaper to do
if (packed_ring)
completely separate code path
than try to mix in compatibility.
--
MST