linux-kernel - Re: [RFC PATCH 0/7] Rust Socket abstractions

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Message-ID: <CANiq72nfAxDzsF6-k3016Gt=ngM4n0W-vgXUi-pacKLMXhjP2A@mail.gmail.com>
Date:   Thu, 17 Aug 2023 19:32:51 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Michele Dalle Rive <dallerivemichele@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Greg KH <gregkh@...uxfoundation.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        Alice Ryhl <aliceryhl@...gle.com>,
        Davide Rovelli <davide.rovelli@....ch>,
        rust-for-linux@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev
Subject: Re: [RFC PATCH 0/7] Rust Socket abstractions

On Thu, Aug 17, 2023 at 5:48 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> This is a bit concerning. You can white out Rust in that and plonk in
> some corporate backed project people tried to cram into the kernel
> without understanding the community aspects. I'm not saying it's
> the same but the tone reads the same.
>
> "The `net` subsystem" have given "the RustForLinux community" clear
> guidance on what a good integration starting point is. And now someone
> else from Rust comes in and talk about supporting OOT modules.
>
> I thought the Rust was just shaking up the languages we use, not the
> fundamentals on how this project operates :|

I am not sure what you mean by "from Rust", but to clarify, Rust for
Linux's focus has never been out-of-tree modules.

In fact, the whole effort since the beginning has been about adding
support for Rust in-tree, unlike other projects that e.g. linked
`rustc`-built object files into an out-of-tree kernel module. We have
also been advising interested parties/newcomers on kernel guidelines
etc.

And, of course, the Rust subsystem is definitely not trying to change
any fundamentals. If it looks like so, then please note that, like any
other subsystem, we may have patch submitters coming from different
backgrounds and not part of the Rust subsystem team.

Cheers,
Miguel