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

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Date:	Wed, 17 Jul 2013 15:32:36 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	David Miller <davem@...emloft.net>, mst@...hat.com
Cc:	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

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.
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