Re: [PATCH net,stable v2] vhost: fix skb leak in handle_rx()

2017-11-30 Thread Michael S. Tsirkin
On Thu, Nov 30, 2017 at 10:46:17AM +0800, Jason Wang wrote: > > > On 2017年11月29日 23:31, Michael S. Tsirkin wrote: > > On Wed, Nov 29, 2017 at 09:23:24AM -0500,w...@redhat.com wrote: > > > From: Wei Xu > > > > > > Matthew found a roughly 40% tcp throughput regression with

Re: [PATCH net,stable v2] vhost: fix skb leak in handle_rx()

2017-11-30 Thread Wei Xu
On Thu, Nov 30, 2017 at 10:46:17AM +0800, Jason Wang wrote: > > > On 2017年11月29日 23:31, Michael S. Tsirkin wrote: > > On Wed, Nov 29, 2017 at 09:23:24AM -0500,w...@redhat.com wrote: > > > From: Wei Xu > > > > > > Matthew found a roughly 40% tcp throughput regression with

Re: [PATCH net,stable v2] vhost: fix skb leak in handle_rx()

2017-11-29 Thread Wei Xu
On Wed, Nov 29, 2017 at 10:43:33PM +0800, Jason Wang wrote: > > > On 2017年11月29日 22:23, w...@redhat.com wrote: > > From: Wei Xu > > > > Matthew found a roughly 40% tcp throughput regression with commit > > c67df11f(vhost_net: try batch dequing from skb array) as discussed > >

Re: [PATCH net,stable v2] vhost: fix skb leak in handle_rx()

2017-11-29 Thread Jason Wang
On 2017年11月29日 23:31, Michael S. Tsirkin wrote: On Wed, Nov 29, 2017 at 09:23:24AM -0500,w...@redhat.com wrote: From: Wei Xu Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following

Re: [PATCH net,stable v2] vhost: fix skb leak in handle_rx()

2017-11-29 Thread Michael S. Tsirkin
On Wed, Nov 29, 2017 at 09:23:24AM -0500, w...@redhat.com wrote: > From: Wei Xu > > Matthew found a roughly 40% tcp throughput regression with commit > c67df11f(vhost_net: try batch dequing from skb array) as discussed > in the following thread: >

Re: [PATCH net,stable v2] vhost: fix skb leak in handle_rx()

2017-11-29 Thread Jason Wang
On 2017年11月29日 22:23, w...@redhat.com wrote: From: Wei Xu Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread:

[PATCH net,stable v2] vhost: fix skb leak in handle_rx()

2017-11-29 Thread wexu
From: Wei Xu Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev@vger.kernel.org/msg187936.html Eventually we figured out that it was a