linux-kernel - Re: [PATCH iwl-next v3 16/18] idpf: add support for XDP on Rx

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Message-ID: <20250801153343.74e0884b@kernel.org>
Date: Fri, 1 Aug 2025 15:33:43 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, Michal Kubiak
 <michal.kubiak@...el.com>, Maciej Fijalkowski
 <maciej.fijalkowski@...el.com>, Tony Nguyen <anthony.l.nguyen@...el.com>,
 Przemek Kitszel <przemyslaw.kitszel@...el.com>, Andrew Lunn
 <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Alexei
 Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Simon
 Horman <horms@...nel.org>, nxne.cnse.osdt.itp.upstreaming@...el.com,
 bpf@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH iwl-next v3 16/18] idpf: add support for XDP on Rx

On Wed, 30 Jul 2025 18:07:15 +0200 Alexander Lobakin wrote:
> Use __LIBETH_WORD_ACCESS to parse descriptors more efficiently when
> applicable. It really gives some good boosts and code size reduction
> on x86_64.

Could you perhaps quantify the goodness of the boost with a number? :)