Messages in this thread | | | Subject | Re: [PATCH net-next V2 0/3] basic in order support for vhost_net | From | Jason Wang <> | Date | Wed, 9 Jan 2019 20:19:58 +0800 |
| |
On 2019/1/9 下午4:05, Jason Wang wrote: > Hi: > > This series implement basic in order feature support for > vhost_net. This feature requires both driver and device to use > descriptors in order which can simplify the implementation and > optimizaton for both side. The series also implement a simple > optimization that avoid read available ring. Test shows 10% > performance improvement at most. > > More optimizations could be done on top. > > Changes from V1: > - no code changes > - add result of SMAP off
Just notice the patch works only for some specific case e.g a buffer only contain one descriptor. Will respin.
Thanks
> > Jason Wang (3): > virtio: introduce in order feature bit > vhost_net: support in order feature > vhost: don't touch avail ring if in_order is negotiated > > drivers/vhost/net.c | 6 ++++-- > drivers/vhost/vhost.c | 19 ++++++++++++------- > include/uapi/linux/virtio_config.h | 6 ++++++ > 3 files changed, 22 insertions(+), 9 deletions(-) >
| |