Message ID | 20190109080530.18572-1-jasowang@redhat.com (mailing list archive) |
---|---|
Headers | show |
Series | basic in order support for vhost_net | expand |
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(-) >