linux-kernel - Re: [WIP 1/3] rust: Introduce atomic module

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Message-ID: <Zf8t8g5gg5Ksp82f@boqun-archlinux>
Date: Sat, 23 Mar 2024 12:30:58 -0700
From: Boqun Feng <boqun.feng@...il.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>, rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	llvm@...ts.linux.dev, Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Wedson Almeida Filho <wedsonaf@...il.com>,	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...sung.com>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Andrea Parri <parri.andrea@...il.com>,	Will Deacon <will@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Nicholas Piggin <npiggin@...il.com>,	David Howells <dhowells@...hat.com>,
	Jade Alglave <j.alglave@....ac.uk>,	Luc Maranget <luc.maranget@...ia.fr>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Akira Yokosawa <akiyks@...il.com>,	Daniel Lustig <dlustig@...dia.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,	kent.overstreet@...il.com,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, elver@...gle.com,
	Mark Rutland <mark.rutland@....com>,
	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>,
	Catalin Marinas <catalin.marinas@....com>,	torvalds@...ux-foundation.org,
 linux-arm-kernel@...ts.infradead.org,	linux-fsdevel@...r.kernel.org
Subject: Re: [WIP 1/3] rust: Introduce atomic module

On Sat, Mar 23, 2024 at 08:13:56PM +0100, Miguel Ojeda wrote:
> On Sat, Mar 23, 2024 at 1:03 AM Boqun Feng <boqun.feng@...il.com> wrote:
> >
> > I can continue to look an elegant way, now since we compile our own
> > `core` crate (where Rust atomic library locates), we can certain do a
> > sed trick to exclude the atomic code from Rust. It's pretty hacky, but
> > maybe others know how to teach linter to help.
> 
> Yeah, but it requires copying the source and so on, like we did for
> `rusttest`. I would prefer to avoid another hack like that though (and
> the plan is to get rid of the existing hack anyway).

Agreed! The problem is better resolved via modularization of `core`.

Regards,
Boqun

> 
> Cheers,
> Miguel