On Fri, Sep 22, 2017 at 04:02:30PM +0800, Jason Wang wrote: > Hi: > > This series tries to implement basic tx batched processing. This is > done by prefetching descriptor indices and update used ring in a > batch. This intends to speed up used ring updating and improve the > cache utilization. Test shows about ~22% improvement in tx pss.
> Please review. > > Jason Wang (5): > vhost: split out ring head fetching logic > vhost: introduce helper to prefetch desc index > vhost: introduce vhost_add_used_idx() Please squash these new APIs into where they are used. This split-up just makes review harder for me as I can't figure out how the new APIs are used. > vhost_net: rename VHOST_RX_BATCH to VHOST_NET_BATCH This is ok as a separate patch. > vhost_net: basic tx virtqueue batched processing > > drivers/vhost/net.c | 221 > ++++++++++++++++++++++++++++---------------------- > drivers/vhost/vhost.c | 165 +++++++++++++++++++++++++++++++------ > drivers/vhost/vhost.h | 9 ++ > 3 files changed, 270 insertions(+), 125 deletions(-) > > -- > 2.7.4
