netdev - Re: [PATCH 0/1] Defer skb allocation for both mergeable buffers and big packets in virtio

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Date:	Mon, 23 Nov 2009 08:51:50 +0000
From:	Mark McLoughlin <markmc@...hat.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Shirley Ma <mashirle@...ibm.com>,
	"Michael S. Tsirkin" <mst@...hat.com>, Avi Kivity <avi@...hat.com>,
	netdev@...r.kernel.org, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Anthony Liguori <anthony@...emonkey.ws>
Subject: Re: [PATCH 0/1] Defer skb allocation for both mergeable buffers
 and big packets in virtio_net

On Mon, 2009-11-23 at 11:23 +1030, Rusty Russell wrote:
> I'd like to drop big packet support from our driver, but I don't know
> how many kvm hosts will not offer mergable rx bufs yet.  Anthony?

Mergeable rx bufs were first added in kvm-80 and qemu-0.10.0

So e.g., it's in Fedora since Fedora 11 and RHEL since 5.4

Cheers,
Mark.

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