linux-kernel - Re: [PATCH] virtio-net: put virtio net header inline with data

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Message-ID: <20130724194442.GA20441@redhat.com>
Date:	Wed, 24 Jul 2013 22:44:42 +0300
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	jasowang@...hat.com, amwang@...hat.com, akong@...hat.com,
	davej@...hat.com, virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] virtio-net: put virtio net header inline with data

On Wed, Jul 17, 2013 at 03:32:36PM +0930, Rusty Russell wrote:
> David Miller <davem@...emloft.net> writes:
> > From: "Michael S. Tsirkin" <mst@...hat.com>
> > Date: Wed, 17 Jul 2013 08:00:32 +0300
> >
> >> On Tue, Jul 16, 2013 at 12:33:26PM -0700, David Miller wrote:
> >>> From: Rusty Russell <rusty@...tcorp.com.au>
> >>> Date: Mon, 15 Jul 2013 11:13:25 +0930
> >>> 
> >>> > From: Michael S. Tsirkin <mst@...hat.com>
> >>> > 
> >>> > 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@...hat.com>
> >>> > Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
> >>> 
> >>> I really think this has to wait until the next merge window, sorry.
> >>> 
> >>> Please resubmit this when I open net-next back up, thanks.
> >> 
> >> I assumed since -rc1 is out net-next is already open?
> >
> > -rc1 being released never makes net-next open.  Instead, I explicitly
> > open it up at some point in time after -rc1 when I feel that things
> > have settled down enough.
> >
> > And when that happens, I announce so here.
> >
> > So you have to follow my announcements here on netdev to know
> > when net-next is actually open.
> 
> Thanks for letting me know.  I'm sure that works well for others, but I
> can't follow the mailing lists of every maintainer I deal with.
> 
> Fortunately, you're the paragon for acking applied patches, so if I hit
> this failure mode again I will know.
> 
> Cheers,
> Rusty.

In case you missed this, net-next opened Fri, 19 Jul 2013.

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