linux-kernel - Re: [PATCH] xen-netfront: Fix handling packets on compound pages with skb

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Message-Id: <20140805.164500.1875405528479445448.davem@davemloft.net>
Date:	Tue, 05 Aug 2014 16:45:00 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	zoltan.kiss@...rix.com
Cc:	wei.liu2@...rix.com, konrad.wilk@...cle.com,
	boris.ostrovsky@...cle.com, david.vrabel@...rix.com,
	Ian.Campbell@...rix.com, paul.durrant@...rix.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	xen-devel@...ts.xenproject.org
Subject: Re: [PATCH] xen-netfront: Fix handling packets on compound pages
 with skb_segment

From: Zoltan Kiss <zoltan.kiss@...rix.com>
Date: Tue, 5 Aug 2014 14:00:30 +0100

> On 04/08/14 23:24, David Miller wrote:
>> Given what I've seen so far, I think the only option is to linearize
>> the packet.
> I think that would have more performance penalty than calling
> skb_gso_segment, but maybe I'm wrong.

We have firmly established that you cannot legally use GSO segmenting
as an option, so it doesn't matter if it's faster or not.
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