From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH v2 17/18] vhost: don't bother copying iovecs in
 handle_rx(), kill memcpy_toiovecend()
Date: Tue, 3 Feb 2015 16:21:54 +0100
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 <20150203100412.GA4896@redhat.com>
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Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org,
	kvm@vger.kernel.org
To: Al Viro <viro@ZenIV.linux.org.uk>
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> Hmm having second thoughts here.
> Will this modify the iov in vq->iov?
> If yes, how will recvmsg fill it?

OK that was just me misunderstanding what the
function does. As it doesn't modify the iovec itself,
I think there's no issue, my ack stands.