Messages in this thread | | | Date | Mon, 14 May 2012 21:39:30 +0300 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH RFC] tun: experimental zero copy tx support |
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On Mon, May 14, 2012 at 10:34:50AM -0700, Shirley Ma wrote: > On Sun, 2012-05-13 at 18:52 +0300, Michael S. Tsirkin wrote: > > Let vhost-net utilize zero copy tx when the experimental > > zero copy mode is enabled and when used with tun. This works on > > top of the patchset 'copy aside frags with destructors' that I posted > > previously. This is not using tcp so doesn't have the > > issue with early skb cloning noticed by Ian. > > > > For those that wish to test this with kvm, I intend to post a patchset > > + > > git tree with just the necessary bits from the destructor patch > > a bit later. > > > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com> > > Hello Mike, > > Have you tested this patch? I think the difference between macvtap and > tap is tap forwarding the packet to bridge. The zerocopy is disabled in > this case. > > Shirley
Testing in progress, but the patchset I pointed to enables zerocopy with bridge.
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