linux-kernel - Re: [PATCH v1] rust: time: Avoid 64-bit integer division

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Message-ID: <aBN2MMaxGrvhF08W@Mac.home>
Date: Thu, 1 May 2025 06:25:04 -0700
From: Boqun Feng <boqun.feng@...il.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: FUJITA Tomonori <fujita.tomonori@...il.com>,
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
	a.hindborg@...sung.com, frederic@...nel.org, lyude@...hat.com,
	tglx@...utronix.de, anna-maria@...utronix.de, jstultz@...gle.com,
	sboyd@...nel.org, ojeda@...nel.org, alex.gaynor@...il.com,
	gary@...yguo.net, bjorn3_gh@...tonmail.com, benno.lossin@...ton.me,
	aliceryhl@...gle.com, tmgross@...ch.edu, chrisi.schrefl@...il.com,
	arnd@...db.de, linux@...linux.org.uk
Subject: Re: [PATCH v1] rust: time: Avoid 64-bit integer division

On Thu, May 01, 2025 at 03:22:00PM +0200, Miguel Ojeda wrote:
> On Thu, May 1, 2025 at 3:12 PM Boqun Feng <boqun.feng@...il.com> wrote:
> >
> >         #[cfg(CONFIG_ARM)]
> >         fn ns_to_ms(ns: i64) -> i64 {
> >
> >         #[cfg(not(CONFIG_ARM))]
> >         fn ns_to_ms(ns: i64) -> i64 {
> 
> I think `cfg`s may be better inside, i.e. as local as reasonably
> possible, so that we share e.g. signature as well as any attributes
> and docs.
> 

Fair enough.

Regards,
Boqun

> Cheers,
> Miguel
>