On Saturday 26 July 2008 19:45:36 Avi Kivity wrote: > > 5) Eliminating an extra copy on the host->guest path only makes a > > barely measurable difference. > > That's expected on a host->guest test. Zero copy is mostly important > for guest->external, and with zerocopy already enabled in the guest > (sendfile or nfs server workloads).
Note that this will also need the copyless tun patches. If we're doing one copy from userspace->kernel anyway, this extra copy is probably lost in the noise. Cheers, Rusty. -- 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
