From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH net-next 2/2] openvswitch: Use zerocopy if applicable
 when performing the upcall
Date: Fri, 24 May 2013 17:32:43 -0700
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Cc: Thomas Graf <tgraf@suug.ch>, netdev <netdev@vger.kernel.org>,
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To: Jesse Gross <jesse@nicira.com>
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On Fri, 2013-05-24 at 17:08 -0700, Jesse Gross wrote:

> What's the alternative?

I guess Thomas was working on this ;)

We addressed all this on nfnetlink lately.

Presumably GSO stuff is a non issue for vSwitch upcalls.

But UDP messages can be big, and their checksum might be already
validated by the NIC.