From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark McLoughlin <markmc@redhat.com>
Subject: Re: [PATCH 0/1] Defer skb allocation for both mergeable buffers
 and big packets in virtio_net
Date: Mon, 23 Nov 2009 08:51:50 +0000
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	 <200911231123.18898.rusty@rustcorp.com.au>
Reply-To: Mark McLoughlin <markmc@redhat.com>
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Cc: Shirley Ma <mashirle@us.ibm.com>,
	"Michael S. Tsirkin" <mst@redhat.com>, Avi Kivity <avi@redhat.com>,
	netdev@vger.kernel.org, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Anthony Liguori <anthony@codemonkey.ws>
To: Rusty Russell <rusty@rustcorp.com.au>
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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.