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

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Message-Id: <20130716.123326.798365002638711260.davem@davemloft.net>
Date:	Tue, 16 Jul 2013 12:33:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	rusty@...tcorp.com.au
Cc:	mst@...hat.com, 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

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.
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