linux-kernel - Re: C aggregate passing (Rust kernel policy)

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Message-ID: <CANiq72mfQk_ViHJ9Y_rU0etS8XpORvZUNMc5m2iHL=pQDiVFSg@mail.gmail.com>
Date: Mon, 24 Feb 2025 15:54:12 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: "Theodore Ts'o" <tytso@....edu>
Cc: Ventura Jack <venturajack85@...il.com>, Linus Torvalds <torvalds@...ux-foundation.org>, 
	Kent Overstreet <kent.overstreet@...ux.dev>, Gary Guo <gary@...yguo.net>, airlied@...il.com, 
	boqun.feng@...il.com, david.laight.linux@...il.com, ej@...i.de, 
	gregkh@...uxfoundation.org, hch@...radead.org, hpa@...or.com, 
	ksummit@...ts.linux.dev, linux-kernel@...r.kernel.org, 
	rust-for-linux@...r.kernel.org, Ralf Jung <post@...fj.de>, 
	Antoni Boucher <bouanto@...o.com>, Arthur Cohen <arthur.cohen@...ecosm.com>, 
	Philip Herron <herron.philip@...glemail.com>
Subject: Re: C aggregate passing (Rust kernel policy)

On Mon, Feb 24, 2025 at 3:47 PM Miguel Ojeda
<miguel.ojeda.sandonis@...il.com> wrote:
>
> On Mon, Feb 24, 2025 at 1:58 PM Theodore Ts'o <tytso@....edu> wrote:
> >
> > Hmm, I wonder if this is the reason of the persistent hostility that I
> > keep hearing about in the Rust community against alternate
> > implementations of the Rust compiler, such as the one being developed
> > using the GCC backend.  *Since* the aliasing model hasn't been
>
> I guess you are referring to gccrs, i.e. the new GCC frontend
> developed within GCC (the other one, which is a backend,
> rustc_codegen_gcc, is part of the Rust project, so no hostility there
> I assume).
>
> In any case, yes, there are some people out there that may not agree
> with the benefits/costs of implementing a new frontend in, say, GCC.
> But that does not imply everyone is hostile. In fact, as far as I
> understand, both Rust and gccrs are working together, e.g. see this
> recent blog post:
>
>     https://blog.rust-lang.org/2024/11/07/gccrs-an-alternative-compiler-for-rust.html

Cc'ing Antoni, Arthur and Philip, in case they want to add, clarify
and/or correct me.

Cheers,
Miguel