Re: [Xen-devel] xen-netback: count number required slots for an skb more carefully

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Sep 04, 2013 at 02:56:20PM +0800, annie li wrote:
> 
> On 2013-9-4 14:04, Matt Wilson wrote:
> >On Wed, Sep 04, 2013 at 10:25:59AM +0800, annie li wrote:
> >>On 2013-9-4 5:53, Wei Liu wrote:
> >[...]
> >>>Matt, do you fancy sending the final version? IIRC the commit message
> >>>needs to be re-written. I personally still prefer Matt's solution as
> >>>it a) make efficient use of the ring, b) uses ring pointers to
> >>>calculate slots which is most accurate, c) removes the dependence on
> >>>MAX_SKB_FRAGS in guest RX path.
> >>>
> >>>Anyway, we should get this fixed ASAP.
> >>Totally agree. This issue is easy to be reproduced with large MTU.
> >>It is better to upstream the fix soon in case others hit it and
> >>waste time to fix it.
> >I'd like to go with Xi's proposed patch that I posed earlier. The main
> >thing that's kept me from sending a final version is lack of time to
> >retest against a newer kernel.
> >
> >Could someone help out with that? I probably can't get to it until the
> >end of the week.
> 
> I can rebase it. Since wei's NAPI &1:1 model patch went into
> net-next already, it should not be able to applied directly.
> 

I think this one should go to net then queue up for stable, not
net-next.

Wei.

> Thanks
> Annie
> >
> >Sorry for the delay. :-(
> >
> >--msw

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