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

[annie li <annie.li@xxxxxxxxxx>]

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

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