On 08/29/2012 08:12 PM, Michael S. Tsirkin wrote: >>> > > What is a good default for net? I guess max sg? >> > >> > I think that it depends on the workload. I'd say we should keep the default to 0 >> > (disabled) unless we can have a good way to adjust it to the load. > For *all* drivers? > > Then it is mostly useless. No one has the time to tweak module > parameters in real life. > > For virtio-net, 16+1 is not too much and ensures we always > use the cache. > > If that works better than 0 I would say run with 17. I was being extra-cautious with leaving it disabled until specifically enabled because I assumed that this would be one of the first comments I'll get if it was enabled by default :) If you're comfortable with setting it to a sane default like 17, I'm perfectly fine with that as well. Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
