netdev - Re: [PATCH net-next v12 00/15] Introducing P4TC (series 1)

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Message-ID: <20240304120747.6f34ab6e@kernel.org>
Date: Mon, 4 Mar 2024 12:07:47 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Tom Herbert <tom@...anda.io>
Cc: Jamal Hadi Salim <jhs@...atatu.com>, John Fastabend
 <john.fastabend@...il.com>, "Singhai, Anjali" <anjali.singhai@...el.com>,
 Paolo Abeni <pabeni@...hat.com>, Linux Kernel Network Developers
 <netdev@...r.kernel.org>, "Chatterjee, Deb" <deb.chatterjee@...el.com>,
 "Limaye, Namrata" <namrata.limaye@...el.com>, mleitner@...hat.com,
 Mahesh.Shirshyad@....com, Vipin.Jain@....com, "Osinski, Tomasz"
 <tomasz.osinski@...el.com>, Jiri Pirko <jiri@...nulli.us>, Cong Wang
 <xiyou.wangcong@...il.com>, "David S . Miller" <davem@...emloft.net>,
 edumazet@...gle.com, Vlad Buslov <vladbu@...dia.com>, horms@...nel.org,
 khalidm@...dia.com, Toke Høiland-Jørgensen
 <toke@...hat.com>, Daniel Borkmann <daniel@...earbox.net>, Victor Nogueira
 <victor@...atatu.com>, "Tammela, Pedro" <pctammela@...atatu.com>, "Daly,
 Dan" <dan.daly@...el.com>, andy.fingerhut@...il.com, "Sommers, Chris"
 <chris.sommers@...sight.com>, mattyk@...dia.com, bpf@...r.kernel.org
Subject: Re: [PATCH net-next v12 00/15] Introducing P4TC (series 1)

On Sun, 3 Mar 2024 08:31:11 -0800 Tom Herbert wrote:
> Even before considering hardware offload, I think this approach
> addresses a more fundamental problem to make the kernel programmable.

I like some aspects of what you're describing, but my understanding
is that it'd be a noticeable shift in direction.
I'm not sure if merging P4TC is the most effective way of taking
a first step in that direction. (I mean that in the literal sense
of lack of confidence, not polite way to indicate holding a conviction
to the contrary.)