On Tue, Sep 14, 2010 at 12:36:23PM -0700, Shirley Ma wrote: > On Tue, 2010-09-14 at 21:01 +0200, Michael S. Tsirkin wrote: > > > > I think that you should be able to simply combine > > > > the two drivers together, add an ioctl to > > > > enable/disable zero copy mode of operation. > > > > > > That could work. But what's the purpose to have two drivers if one > > > driver can handle it? > > > > > > Thanks > > > Shirley > > > > This was just an idea: I thought it's a good way for people interested > > in this zero copy thing to combine forces and avoid making > > the same mistakes, but it's not a must of course. > > Ok, I will make a simple patch by reusing Xiaohui's some vhost code on > handling vhost_add_used_and_signal() to see any performance changes. > > The interesting thing here when I run 32 instances netperf/netserver I > didn't see any issue w/i this patch. > > Thanks > Shirley Yes, I agree this patch is useful for demo purposes: simple, and shows what kind of performance gains we can expect for TX. -- MST -- 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
