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Re: [Qemu-devel] [PATCH] virtio-net: put virtio net header inline with d
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH] virtio-net: put virtio net header inline with data |
Date: |
Thu, 11 Jul 2013 16:00:07 +0300 |
On Tue, Jul 09, 2013 at 11:46:23AM +0930, Rusty Russell wrote:
> "Michael S. Tsirkin" <address@hidden> writes:
> > For small packets we can simplify xmit processing
> > by linearizing buffers with the header:
> > most packets seem to have enough head room
> > we can use for this purpose.
> > Since existing hypervisors require that header
> > is the first s/g element, we need a feature bit
> > for this.
> >
> > Signed-off-by: Michael S. Tsirkin <address@hidden>
> > ---
> >
> > Note: this needs to be applied on top of patch
> > defining VIRTIO_F_ANY_LAYOUT - bit to be
> > selected by Rusty.
> >
> > The following patch should work for any definition of
> > VIRTIO_F_ANY_LAYOUT - I used bit 31 for testing.
> > Rusty, could you please pick a valid bit for VIRTIO_F_ANY_LAYOUT
> > and squeeze this patch into 3.11?
>
> Sorry, it's too late.
>
> First, I've been a bit lax in sending patches via DaveM, and this is
> definitely his territory (ie. more net than virtio).
>
> Secondly, it needs baking and testing time.
>
> Cheers,
> Rusty.
Okay. But we can already commit the qemu change, right?
Also, can you submit the spec update please?
- Re: [Qemu-devel] [PATCH] virtio-net: put virtio net header inline with data,
Michael S. Tsirkin <=