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Date:   Mon, 10 Aug 2020 13:47:45 +0200
From:   Björn Töpel <>
To:     Jakub Kicinski <>
Cc:     Tony Nguyen <>,
        David Miller <>,
        Netdev <>,,, Jeff Kirsher <>
Subject: Re: [net-next 0/6][pull request] 40GbE Intel Wired LAN Driver Updates 2020-07-28

On Tue, 28 Jul 2020 at 22:20, Jakub Kicinski <> wrote:
> On Tue, 28 Jul 2020 12:08:36 -0700 Tony Nguyen wrote:
> > This series contains updates to i40e driver only.
> >
> > Li RongQing removes binding affinity mask to a fixed CPU and sets
> > prefetch of Rx buffer page to occur conditionally.
> >
> > Björn provides AF_XDP performance improvements by not prefetching HW
> > descriptors, using 16 byte descriptors, increasing budget for AF_XDP
> > receive, and moving buffer allocation out of Rx processing loop.
> My comment on patch #2 is really a nit, but for patch 5 I think we
> should consider carefully a common path rather than "tweak" the drivers
> like this.

Yup, I agree that tweaks like this should be avoided, and I said that
I'll address it in a follow up. However, I was under the impression
that this series would still be pulled (discussed in patch 5), but I
can't find it in the tree.


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