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From: "Danilo Krummrich" <dakr@kernel.org>
To: "Miguel Ojeda" <miguel.ojeda.sandonis@gmail.com>
Cc: "FUJITA Tomonori" <fujita.tomonori@gmail.com>,
	<aliceryhl@google.com>, <daniel.almeida@collabora.com>,
	<a.hindborg@kernel.org>, <alex.gaynor@gmail.com>,
	<ojeda@kernel.org>, <anna-maria@linutronix.de>,
	<bjorn3_gh@protonmail.com>, <boqun.feng@gmail.com>,
	<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>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Subject: Re: [PATCH v2 1/2] rust: add udelay() function
Date: Tue, 21 Oct 2025 17:20:41 +0200	[thread overview]
Message-ID: <DDO3OMBHS8TB.2LDODR1AFRCU3@kernel.org> (raw)
In-Reply-To: <CANiq72nUiizxo3YFgxUZ1jiczRNbY2ATao2YUBiCEC7k5hbv6Q@mail.gmail.com>

On Tue Oct 21, 2025 at 5:13 PM CEST, Miguel Ojeda wrote:
> i.e. if they aren't sure what the value is, then I would prefer they
> clamp it explicitly on the callee side (or we provide an explicitly
> clamped version if it is a common case, but it seems to me runtime
> values are already the minority).

Absolutely! Especially given the context udelay() is introduced
(read_poll_timeout_atomic()), the compile time checked version is what we really
want.

Maybe we should even defer a runtime checked / clamped version until it is
actually needed.

  reply	other threads:[~2025-10-21 15:20 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-21  7:11 [PATCH v2 0/2] Add read_poll_count_atomic support FUJITA Tomonori
2025-10-21  7:11 ` [PATCH v2 1/2] rust: add udelay() function FUJITA Tomonori
2025-10-21 12:08   ` Danilo Krummrich
2025-10-21 14:39     ` Miguel Ojeda
2025-10-21 14:46       ` Danilo Krummrich
2025-10-21 14:58         ` Miguel Ojeda
2025-10-21 15:09           ` Danilo Krummrich
2025-10-21 15:13             ` Miguel Ojeda
2025-10-21 15:20               ` Danilo Krummrich [this message]
2025-10-22 10:32                 ` FUJITA Tomonori
2025-10-22 14:11                   ` Alice Ryhl
2025-10-23  5:19                     ` FUJITA Tomonori
2025-10-24  8:23                       ` Andreas Hindborg
2025-10-24  8:20                     ` Andreas Hindborg
2025-10-24  9:27                       ` Alice Ryhl
2025-10-24 19:05                         ` Miguel Ojeda
2025-10-26 13:11                           ` FUJITA Tomonori
2025-10-26 14:49                             ` Miguel Ojeda
2025-10-21  7:11 ` [PATCH v2 2/2] rust: Add read_poll_count_atomic function FUJITA Tomonori
2025-10-21 12:35   ` Danilo Krummrich
2025-10-21 14:05     ` Alice Ryhl
2025-10-21 16:02       ` Danilo Krummrich
2025-10-22 11:27         ` FUJITA Tomonori
2025-10-24  8:25       ` Andreas Hindborg
2025-10-24  9:19         ` Alice Ryhl
2025-10-23  5:24     ` FUJITA Tomonori

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