Re: [PATCH net,stable v4 0/3] vhost: fix a few skb leaks

2017-12-02 Thread David Miller
From: w...@redhat.com Date: Fri, 1 Dec 2017 05:10:35 -0500 > 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 Seri

Re: [PATCH net,stable v4 0/3] vhost: fix a few skb leaks

2017-12-01 Thread Michael S. Tsirkin
On Fri, Dec 01, 2017 at 09:54:02AM -0500, Matthew Rosato wrote: > On 12/01/2017 09:47 AM, Michael S. Tsirkin wrote: > > On Fri, Dec 01, 2017 at 05:10:35AM -0500, w...@redhat.com wrote: > >> From: Wei Xu > >> > >> Matthew found a roughly 40% tcp throughput regression with commit > >> c67df11f(vhost

Re: [PATCH net,stable v4 0/3] vhost: fix a few skb leaks

2017-12-01 Thread Matthew Rosato
On 12/01/2017 09:47 AM, Michael S. Tsirkin wrote: > On Fri, Dec 01, 2017 at 05:10:35AM -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 thr

Re: [PATCH net,stable v4 0/3] vhost: fix a few skb leaks

2017-12-01 Thread Michael S. Tsirkin
On Fri, Dec 01, 2017 at 05:10:35AM -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: > https://www.mail-archive.com/netdev@vger.kernel.o

[PATCH net,stable v4 0/3] vhost: fix a few skb leaks

2017-12-01 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 v4: - fix zero iov iterator count in tap/tap_do_read()(Jas