From: Alice Ryhl <aliceryhl@google.com>
To: FUJITA Tomonori <fujita.tomonori@gmail.com>
Cc: a.hindborg@kernel.org, alex.gaynor@gmail.com, ojeda@kernel.org,
anna-maria@linutronix.de, bjorn3_gh@protonmail.com,
boqun.feng@gmail.com, dakr@kernel.org, frederic@kernel.org,
gary@garyguo.net, jstultz@google.com,
linux-kernel@vger.kernel.org, lossin@kernel.org,
lyude@redhat.com, rust-for-linux@vger.kernel.org,
sboyd@kernel.org, tglx@linutronix.de, tmgross@umich.edu,
acourbot@nvidia.com, daniel.almeida@collabora.com
Subject: Re: [PATCH v1 1/2] rust: Add cpu_relax() helper
Date: Mon, 11 Aug 2025 09:39:36 +0000 [thread overview]
Message-ID: <aJm6WGaxITeIxtJc@google.com> (raw)
In-Reply-To: <20250811041039.3231548-2-fujita.tomonori@gmail.com>
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@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
> +pub fn cpu_relax() {
> + // SAFETY: Always safe to call.
> + unsafe { bindings::cpu_relax() }
> +}
Let's mark this #[inline].
Alice
next prev parent reply other threads:[~2025-08-11 9:39 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-11 4:10 [PATCH v1 0/2] rust: Add read_poll_timeout FUJITA Tomonori
2025-08-11 4:10 ` [PATCH v1 1/2] rust: Add cpu_relax() helper FUJITA Tomonori
2025-08-11 9:39 ` Alice Ryhl [this message]
2025-08-14 6:12 ` FUJITA Tomonori
2025-08-11 10:45 ` Andreas Hindborg
2025-08-11 4:10 ` [PATCH v1 2/2] rust: Add read_poll_timeout functions FUJITA Tomonori
2025-08-11 9:50 ` Alice Ryhl
2025-08-14 6:11 ` FUJITA Tomonori
2025-08-14 8:26 ` Alice Ryhl
2025-08-17 4:21 ` FUJITA Tomonori
2025-08-11 9:55 ` Danilo Krummrich
2025-08-11 10:32 ` Andreas Hindborg
2025-08-14 6:29 ` FUJITA Tomonori
2025-08-11 10:47 ` Andreas Hindborg
2025-08-13 2:56 ` Alexandre Courbot
2025-08-14 6:39 ` FUJITA Tomonori
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