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

2017-11-28 Thread Wei Xu
On Tue, Nov 28, 2017 at 07:53:33PM +0200, Michael S. Tsirkin wrote: > On Tue, Nov 28, 2017 at 12:17:16PM -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

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

2017-11-28 Thread Wei Xu
On Tue, Nov 28, 2017 at 07:53:33PM +0200, Michael S. Tsirkin wrote: > On Tue, Nov 28, 2017 at 12:17:16PM -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

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

2017-11-28 Thread Wei Xu
On Tue, Nov 28, 2017 at 07:50:58PM +0200, Michael S. Tsirkin wrote: > On Tue, Nov 28, 2017 at 12:17:16PM -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

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

2017-11-28 Thread Wei Xu
On Tue, Nov 28, 2017 at 07:50:58PM +0200, Michael S. Tsirkin wrote: > On Tue, Nov 28, 2017 at 12:17:16PM -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

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

2017-11-28 Thread Wei Xu
On Wed, Nov 29, 2017 at 01:06:28PM +0800, Jason Wang wrote: > > > On 2017年11月29日 09:53, Jason Wang wrote: > > > > > > On 2017å¹´11月29æ—¥ 01:17, w...@redhat.com wrote: > > > From: Wei Xu > > > > > > Matthew found a roughly 40% tcp throughput regression with commit > > >

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

2017-11-28 Thread Wei Xu
On Wed, Nov 29, 2017 at 01:06:28PM +0800, Jason Wang wrote: > > > On 2017年11月29日 09:53, Jason Wang wrote: > > > > > > On 2017å¹´11月29æ—¥ 01:17, w...@redhat.com wrote: > > > From: Wei Xu > > > > > > Matthew found a roughly 40% tcp throughput regression with commit > > > c67df11f(vhost_net:

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

2017-11-28 Thread Jason Wang
On 2017年11月29日 09:53, Jason Wang wrote: On 2017å¹´11月29æ—¥ 01:17, 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] vhost: fix skb leak in handle_rx()

2017-11-28 Thread Jason Wang
On 2017年11月29日 09:53, Jason Wang wrote: On 2017å¹´11月29æ—¥ 01:17, 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] vhost: fix skb leak in handle_rx()

2017-11-28 Thread Jason Wang
On 2017年11月29日 01:17, 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] vhost: fix skb leak in handle_rx()

2017-11-28 Thread Jason Wang
On 2017年11月29日 01:17, 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: https://www.mail-archive.com/netdev@vger.kernel.org/msg187936.html

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

2017-11-28 Thread Michael S. Tsirkin
On Tue, Nov 28, 2017 at 12:17:16PM -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] vhost: fix skb leak in handle_rx()

2017-11-28 Thread Michael S. Tsirkin
On Tue, Nov 28, 2017 at 12:17:16PM -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] vhost: fix skb leak in handle_rx()

2017-11-28 Thread Michael S. Tsirkin
On Tue, Nov 28, 2017 at 12:17:16PM -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] vhost: fix skb leak in handle_rx()

2017-11-28 Thread Michael S. Tsirkin
On Tue, Nov 28, 2017 at 12:17:16PM -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: >

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

2017-11-28 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

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

2017-11-28 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 skb leak in