On Mon, Sep 13, 2010 at 01:43:00PM -0700, Shirley Ma wrote: > This patch induces a new sock flag ZEROCOPY to avoid copy between > userspace and kernel. macvtap is the first user of zero copy between > guest and host kernel. It only uses when the lower device supports high > memory DMA. The first set of patch only addresses transmission TX side. > The test has shown big improvement on either CPU utilization reduction > or BW increase on 10GbE Intel NIC. Performance data will be submitted in > the coming email. > > thanks > Shirley While others pointed out correctness issues with the patch, I would still like to see the performance numbers, just so we understand what's possible. -- 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
