linux-kernel - Re: [PATCH v10 25/27] x86: enable initial Rust support

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Message-ID: <20231013075005.GB12118@noisy.programming.kicks-ass.net>
Date:   Fri, 13 Oct 2023 09:50:05 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Ramon de C Valle <rcvalle@...gle.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, patches@...ts.linux.dev,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...gle.com>,
        David Gow <davidgow@...gle.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Jonathan Corbet <corbet@....net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>, linux-doc@...r.kernel.org
Subject: Re: [PATCH v10 25/27] x86: enable initial Rust support

On Thu, Oct 12, 2023 at 03:15:12PM -0700, Ramon de C Valle wrote:

> [1]:
> https://doc.rust-lang.org/nightly/unstable-book/language-features/cfi-encoding.html

I'm sorry, but that looks like a comment from where I'm sitting :-(
Worst part is it being on a line of it's own and thus unrelated to
anything.

This rust syntax is horrific..


> [2]:
> https://doc.rust-lang.org/book/ch19-04-advanced-types.html#using-the-newtype-pattern-for-type-safety-and-abstraction

I don't speak enough rust to even begin following this :/

> [3]: Wrapping a type in a struct should achieve something similar even
> without using the cfi_encoding attribute since the encoding for structs in
> both are <length><name>, where <name> is <unscoped-name>.

You're not talking about C, right?