On Tue, Jul 09, 2013 at 11:46:23AM +0930, Rusty Russell wrote: > "Michael S. Tsirkin" <mst@xxxxxxxxxx> 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 <mst@xxxxxxxxxx> > > --- > > > > 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). Let's do this: I'll send a patch series, you ack and we see what happens? > Secondly, it needs baking and testing time. > > Cheers, > Rusty. I did some testing on this. But proper testing just isn't happening out of tree. -- MST _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization