Re: [PATCH V3 0/2] vhost_net polling optimization

[David Miller]

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Wed,  1 Jun 2016 01:56:32 -0400

> This series tries to optimize vhost_net polling at two points:
> 
> - Stop rx polling for reduicng the unnecessary wakeups during
>   handle_rx().
> - Conditonally enable tx polling for reducing the unnecessary
>   traversing and spinlock touching.
> 
> Test shows about 17% improvement on rx pps.
> 
> Please review
> 
> Changes from V2:
> - Don't enable rx vq if we meet an err or rx vq is empty
> Changes from V1:
> - use vhost_net_disable_vq()/vhost_net_enable_vq() instead of open
>   coding.
> - Add a new patch for conditionally enable tx polling.

Michael, please review this patch series.

Thanks.