linux-kernel - Re: [PATCH v1 1/2] rust: Add cpu

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Message-Id: <20250814.151219.1988266311964625112.fujita.tomonori@gmail.com>
Date: Thu, 14 Aug 2025 15:12:19 +0900 (JST)
From: FUJITA Tomonori <fujita.tomonori@...il.com>
To: aliceryhl@...gle.com
Cc: fujita.tomonori@...il.com, a.hindborg@...nel.org,
 alex.gaynor@...il.com, ojeda@...nel.org, anna-maria@...utronix.de,
 bjorn3_gh@...tonmail.com, boqun.feng@...il.com, dakr@...nel.org,
 frederic@...nel.org, gary@...yguo.net, jstultz@...gle.com,
 linux-kernel@...r.kernel.org, lossin@...nel.org, lyude@...hat.com,
 rust-for-linux@...r.kernel.org, sboyd@...nel.org, tglx@...utronix.de,
 tmgross@...ch.edu, acourbot@...dia.com, daniel.almeida@...labora.com
Subject: Re: [PATCH v1 1/2] rust: Add cpu_relax() helper

On Mon, 11 Aug 2025 09:39:36 +0000
Alice Ryhl <aliceryhl@...gle.com> wrote:

> On Mon, Aug 11, 2025 at 01:10:37PM +0900, FUJITA Tomonori wrote:
>> Add cpu_relax() helper in preparation for supporting
>> read_poll_timeout().
>> 
>> Signed-off-by: FUJITA Tomonori <fujita.tomonori@...il.com>
> 
> Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
> 
>> +pub fn cpu_relax() {
>> +    // SAFETY: Always safe to call.
>> +    unsafe { bindings::cpu_relax() }
>> +}
> 
> Let's mark this #[inline].

Thanks, I'll do in the next version.