linux-kernel - Re: [PATCH v2] rust: rbtree: add immutable cursor

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Message-ID: <3f8de021-8eb3-4a7c-9adb-8244c5aa250a@nvidia.com>
Date: Tue, 9 Sep 2025 18:09:13 -0700
From: John Hubbard <jhubbard@...dia.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
 Danilo Krummrich <dakr@...nel.org>
Cc: Alice Ryhl <aliceryhl@...gle.com>, Vitaly Wool <vitaly.wool@...sulko.se>,
 rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
 Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>,
 Gary Guo <gary@...yguo.net>, Bjorn Roy Baron <bjorn3_gh@...tonmail.com>,
 Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>,
 Trevor Gross <tmgross@...ch.edu>, Onur Özkan
 <work@...rozkan.dev>
Subject: Re: [PATCH v2] rust: rbtree: add immutable cursor

On 9/8/25 2:21 AM, Miguel Ojeda wrote:
> On Mon, Sep 8, 2025 at 11:06 AM Danilo Krummrich <dakr@...nel.org> wrote:
>>
>> Why not use &raw? Consistency with the rest of the file?
> 
> I guess -- it is a good thing, but since we are actively trying to
> move to the operator, it would minimize work to avoid adding new ones:
> 
>     https://github.com/Rust-for-Linux/linux/issues/1148
> 

Interesting. I know the topic of rustc minimum version (1.78 right now)
has been discussed a lot, but I'm somehow still confused about how this
works, on nova for example.

The &raw feature requires rustc 1.82.0. So I thought we couldn't use
it. But clearly we can...right?

So confused. Please help. :)


thanks,
-- 
John Hubbard