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From: Andreas Hindborg <a.hindborg@kernel.org>
To: "Boqun Feng" <boqun.feng@gmail.com>
Cc: <linux-kernel@vger.kernel.org>,  <rust-for-linux@vger.kernel.org>,
  <lkmm@lists.linux.dev>,  <linux-arch@vger.kernel.org>,  "Miguel Ojeda"
 <ojeda@kernel.org>,  "Alex Gaynor" <alex.gaynor@gmail.com>,  "Gary Guo"
 <gary@garyguo.net>,  =?utf-8?Q?Bj=C3=B6rn?= Roy Baron
 <bjorn3_gh@protonmail.com>,  "Benno
 Lossin" <lossin@kernel.org>,  "Alice Ryhl" <aliceryhl@google.com>,
  "Trevor Gross" <tmgross@umich.edu>,  "Danilo Krummrich"
 <dakr@kernel.org>,  "Will Deacon" <will@kernel.org>,  "Peter Zijlstra"
 <peterz@infradead.org>,  "Mark Rutland" <mark.rutland@arm.com>,  "Wedson
 Almeida Filho" <wedsonaf@gmail.com>,  "Viresh Kumar"
 <viresh.kumar@linaro.org>,  "Lyude Paul" <lyude@redhat.com>,  "Ingo
 Molnar" <mingo@kernel.org>,  "Mitchell Levy" <levymitchell0@gmail.com>,
  "Paul E. McKenney" <paulmck@kernel.org>,  "Greg Kroah-Hartman"
 <gregkh@linuxfoundation.org>,  "Linus Torvalds"
 <torvalds@linux-foundation.org>,  "Thomas Gleixner" <tglx@linutronix.de>
Subject: Re: [PATCH v5 08/10] rust: sync: atomic: Add Atomic<{usize,isize}>
In-Reply-To: <20250618164934.19817-9-boqun.feng@gmail.com> (Boqun Feng's
	message of "Wed, 18 Jun 2025 09:49:32 -0700")
References: <20250618164934.19817-1-boqun.feng@gmail.com>
	<ltC0BkXC4k2mWM8ivSmhZxpTx7Nivj7YBJGffVg8XahVfEdyUa04pCWPY9r8s7L5j8e9QkmioBhT3oFIs7cL1w==@protonmail.internalid>
	<20250618164934.19817-9-boqun.feng@gmail.com>
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Date: Thu, 26 Jun 2025 14:49:39 +0200
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"Boqun Feng" <boqun.feng@gmail.com> writes:

> Add generic atomic support for `usize` and `isize`. Note that instead of
> mapping directly to `atomic_long_t`, the represention type
> (`AllowAtomic::Repr`) is selected based on CONFIG_64BIT. This reduces
> the necessarity of creating `atomic_long_*` helpers, which could save
> the binary size of kernel if inline helpers are not available.
>
> Signed-off-by: Boqun Feng <boqun.feng@gmail.com>

Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>


Best regards,
Andreas Hindborg