# Re: \[PATCH net-next v8 0/7\] net: vhost: improve performance when enable busyloop

- From: Michael S. Tsirkin \<mst@redhat.com\>
- Date: 2018-08-20 23:51:17 
- List: netdev
- Page: https://ratatoskr.run/netdev/2018/08/11106260
- Thread: https://ratatoskr.run/netdev/2018/08/11106190/t.md

```text
On Sun, Aug 19, 2018 at 05:11:19AM -0700, xiangxia.m.yue@gmail.com wrote:
> From: Tonghao Zhang <redacted>
> 
> This patches improve the guest receive performance.
> On the handle_tx side, we poll the sock receive queue
> at the same time. handle_rx do that in the same way.
> 
> For more performance report, see patch 4, 6, 7


Thanks for the patches. I'm traveling this week,
will do my best to review next week.

> Tonghao Zhang (7):
>   net: vhost: lock the vqs one by one
>   net: vhost: replace magic number of lock annotation
>   net: vhost: factor out busy polling logic to vhost_net_busy_poll()
>   net: vhost: add rx busy polling in tx path
>   net: vhost: introduce bitmap for vhost_poll
>   net: vhost: disable rx wakeup during tx busypoll
>   net: vhost: make busyloop_intr more accurate
> 
>  drivers/vhost/net.c   | 169 +++++++++++++++++++++++++++++++-------------------
>  drivers/vhost/vhost.c |  41 ++++++------
>  drivers/vhost/vhost.h |   7 ++-
>  3 files changed, 133 insertions(+), 84 deletions(-)
> 
> -- 
> 1.8.3.1
```