lkml.org 
[lkml]   [2012]   [May]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC] tun: experimental zero copy tx support
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.



\
 
 \ /
  Last update: 2012-05-14 21:21    [W:1.546 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site