linux-kernel - Re: [PATCH v5 00/10] LKMM generic atomics in Rust

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAH5fLgi1FbCc0euts_e4BmAayE2MtK+AUWiOfswd-qo5+L+VnQ@mail.gmail.com>
Date: Wed, 18 Jun 2025 22:22:21 +0200
From: Alice Ryhl <aliceryhl@...gle.com>
To: Boqun Feng <boqun.feng@...il.com>
Cc: linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org, 
	lkmm@...ts.linux.dev, linux-arch@...r.kernel.org, 
	Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, Gary Guo <gary@...yguo.net>, 
	Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, Will Deacon <will@...nel.org>, 
	Peter Zijlstra <peterz@...radead.org>, Mark Rutland <mark.rutland@....com>, 
	Wedson Almeida Filho <wedsonaf@...il.com>, Viresh Kumar <viresh.kumar@...aro.org>, 
	Lyude Paul <lyude@...hat.com>, Ingo Molnar <mingo@...nel.org>, 
	Mitchell Levy <levymitchell0@...il.com>, "Paul E. McKenney" <paulmck@...nel.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Linus Torvalds <torvalds@...ux-foundation.org>, 
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v5 00/10] LKMM generic atomics in Rust

On Wed, Jun 18, 2025 at 6:49 PM Boqun Feng <boqun.feng@...il.com> wrote:
>
> Hi,
>
> v5 for LKMM atomics in Rust, you can find the previous versions:
>
> v4: https://lore.kernel.org/rust-for-linux/20250609224615.27061-1-boqun.feng@gmail.com/
> v3: https://lore.kernel.org/rust-for-linux/20250421164221.1121805-1-boqun.feng@gmail.com/
> v2: https://lore.kernel.org/rust-for-linux/20241101060237.1185533-1-boqun.feng@gmail.com/
> v1: https://lore.kernel.org/rust-for-linux/20240612223025.1158537-1-boqun.feng@gmail.com/
> wip: https://lore.kernel.org/rust-for-linux/20240322233838.868874-1-boqun.feng@gmail.com/
>
> The reason of providing our own LKMM atomics is because memory model
> wise Rust native memory model is not guaranteed to work with LKMM and
> having only one memory model throughout the kernel is always better for
> reasoning.
>
> Changes since v4:
>
> * Rename the ordering enum type and corresponding constant in trait All
>   as per feedback from Benno.
>
> * Add more tests for Atomic<{i,u}size> and Atomic<*mut T>.
>
> * Rebase on v6.16-rc2
>
>
> Still please advise how we want to route the patches and for future
> ones:
>
> * Option #1: via tip, I can send a pull request to Ingo at -rc4 or -rc5.
> * Option #2: via rust, I can send a pull request to Miguel at -rc4 or -rc5.
> * Option #3: via my own tree or atomic group in kernel.org, I can send
>              a pull request to Linus at 6.17 merge window.
>
> My default option is #1, but feel free to make any suggestion.
>
> Regards,
> Boqun

Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>