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Message-ID: <20200728131653.3b90336b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> Date: Tue, 28 Jul 2020 13:16:53 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Tony Nguyen <anthony.l.nguyen@...el.com> Cc: davem@...emloft.net, netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com, jeffrey.t.kirsher@...el.com Subject: Re: [net-next 0/6][pull request] 40GbE Intel Wired LAN Driver Updates 2020-07-28 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.
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