Re: [PATCH net-next V4 10/10] vhost_net: try batch dequing from skb array

2017-05-10 Thread Jason Wang
On 2017年05月10日 20:34, Michael S. Tsirkin wrote: On Wed, May 10, 2017 at 11:36:22AM +0800, Jason Wang wrote: We used to dequeue one skb during recvmsg() from skb_array, this could be inefficient because of the bad cache utilization and spinlock touching for each packet. This patch tries to batc

Re: [PATCH net-next V4 10/10] vhost_net: try batch dequing from skb array

2017-05-10 Thread Michael S. Tsirkin
On Wed, May 10, 2017 at 11:36:22AM +0800, Jason Wang wrote: > We used to dequeue one skb during recvmsg() from skb_array, this could > be inefficient because of the bad cache utilization and spinlock > touching for each packet. This patch tries to batch them by calling > batch dequeuing helpers exp