On 10/19/2015 1:16 PM, Stephen Hemminger wrote: > This is a tested version of the virtio Tx performance improvements > that I posted earlier on the list, and described at the DPDK Userspace > meeting in Dublin. Together they get a 25% performance improvement for > both small packet and large multi-segment packet case when testing > from DPDK guest application to Linux KVM host. > > Stephen Hemminger (5): > virtio: clean up space checks on xmit > virtio: don't use unlikely for normal tx stuff > virtio: use indirect ring elements > virtio: use any layout on transmit > virtio: optimize transmit enqueue There is one open why merge-able header is used in tx path. Since old implementation is also using the merge-able header in tx path if this feature is negotiated, i choose to ack the patch and address this later if not now.
Acked-by: Huawei Xie <huawei.xie at intel.com>
