Re: [PATCH] openvswitch: Orphan frags before sending to userspace via Netlink to avoid guest stall

2014-03-07 Thread Pravin Shelar
On Fri, Mar 7, 2014 at 10:05 AM, Thomas Graf wrote: > On 03/07/2014 06:19 PM, Pravin Shelar wrote: >> >> On Fri, Mar 7, 2014 at 7:58 AM, Thomas Graf wrote: >>> >>> On 03/07/2014 05:46 AM, Pravin Shelar wrote: >>>> >>>> >>>>

Re: [PATCH] openvswitch: Orphan frags before sending to userspace via Netlink to avoid guest stall

2014-03-07 Thread Pravin Shelar
On Fri, Mar 7, 2014 at 4:29 AM, Zoltan Kiss wrote: > On 07/03/14 04:46, Pravin Shelar wrote: >> >> On Thu, Mar 6, 2014 at 9:09 AM, Zoltan Kiss >> wrote: >>> >>> Do you have any feedback on this? I'm also adding KVM list as they might >>> be &

Re: [PATCH] openvswitch: Orphan frags before sending to userspace via Netlink to avoid guest stall

2014-03-07 Thread Pravin Shelar
On Fri, Mar 7, 2014 at 7:58 AM, Thomas Graf wrote: > On 03/07/2014 05:46 AM, Pravin Shelar wrote: >> >> But I found bug in datapath user-space queue code. I am not sure how >> this can work with skb fragments and MMAP-netlink socket. >> Here is what happens, OVS all

Re: [PATCH] openvswitch: Orphan frags before sending to userspace via Netlink to avoid guest stall

2014-03-06 Thread Pravin Shelar
On Thu, Mar 6, 2014 at 9:09 AM, Zoltan Kiss wrote: > Do you have any feedback on this? I'm also adding KVM list as they might be > interested in this. > > Zoli > > > On 28/02/14 19:16, Zoltan Kiss wrote: >> >> The kernel datapath now switched to zerocopy Netlink messages, but that >> also >> means