This is a forwarded message
From: ANNIE LI <annie.li@oracle.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Date: Monday, January 14, 2013, 10:39:53 AM
Subject: [Xen-devel] xennet: skb rides the rocket: 20 slots


Resend because xen-devel wasn't copied on the original ...


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Hi

I created a patch for this, but I failed to reproduce this issue and 
verify it. The patch was attached,

Thanks
Annie

On 2013-1-11 18:16, Ian Campbell wrote:
> On Fri, 2013-01-11 at 10:09 +0000, Paul Durrant wrote:
>>> -----Original Message-----
>>> Without GSO I don't think you should be seeing packets larger than the MTU,
>>> which would normally be either ~1500 or ~9000 and fit easily within any
>>> sensible negotiation for the max frags. I don't think you should worry unduly
>>> about this case.
>>>
>> A stack could still send down a packet with one byte per frag though,
>> right? A copy-and-coalesce path would still be needed in this case.
> True. In that case skb_linearise would probably do the job on Linux.
>
> Ian
>
>
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