linux-kernel - Re: [PATCH v13 01/17] preempt: Track NMI nesting to separate per-CPU counter

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Message-ID: <04dc4834d38932242df86773e47030e8105461c9.camel@redhat.com>
Date: Mon, 13 Oct 2025 12:19:41 -0400
From: Lyude Paul <lyude@...hat.com>
To: rust-for-linux@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>, 
 Boqun Feng <boqun.feng@...il.com>, linux-kernel@...r.kernel.org, Daniel
 Almeida	 <daniel.almeida@...labora.com>
Cc: Joel Fernandes <joelagnelf@...dia.com>, Danilo Krummrich
 <dakr@...nel.org>,  Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Vlastimil
 Babka <vbabka@...e.cz>, "Liam R. Howlett"	 <Liam.Howlett@...cle.com>,
 Uladzislau Rezki <urezki@...il.com>, Miguel Ojeda	 <ojeda@...nel.org>, Alex
 Gaynor <alex.gaynor@...il.com>, Gary Guo	 <gary@...yguo.net>,
 Björn Roy Baron	 <bjorn3_gh@...tonmail.com>, Benno
 Lossin <lossin@...nel.org>, Andreas Hindborg	 <a.hindborg@...nel.org>,
 Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross	 <tmgross@...ch.edu>,
 "Rafael J. Wysocki" <rafael@...nel.org>, Viresh Kumar	
 <viresh.kumar@...aro.org>, Sebastian Andrzej Siewior
 <bigeasy@...utronix.de>,  Ingo Molnar <mingo@...nel.org>, "Peter Zijlstra
 (Intel)" <peterz@...radead.org>, Ryo Takakura	 <ryotkkr98@...il.com>, K
 Prateek Nayak <kprateek.nayak@....com>, "open list:CPU FREQUENCY SCALING
 FRAMEWORK"	 <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v13 01/17] preempt: Track NMI nesting to separate
 per-CPU counter

JFYI - This hunk shouldn't be here, it looks like there was probably a rust
formatting issue somewhere else in the kernel tree, which got added by mistake
onto this commit when I went through the series and ran rustfmt on each
commit. Will make sure this gets fixed whenever I send out another version

On Mon, 2025-10-13 at 11:48 -0400, Lyude Paul wrote:
> diff --git a/rust/kernel/alloc/kvec.rs b/rust/kernel/alloc/kvec.rs
> index e94aebd084c83..1d6cc81bdeef5 100644
> --- a/rust/kernel/alloc/kvec.rs
> +++ b/rust/kernel/alloc/kvec.rs
> @@ -7,10 +7,7 @@
>      layout::ArrayLayout,
>      AllocError, Allocator, Box, Flags, NumaNode,
>  };
> -use crate::{
> -    fmt,
> -    page::AsPageIter,
> -};
> +use crate::{fmt, page::AsPageIter};
>  use core::{
>      borrow::{Borrow, BorrowMut},
>      marker::PhantomData,
> diff --git a/rust/kernel/cpufreq.rs b/rust/kernel/cpufreq.rs
> index 21b5b9b8acc10..1a555fcb120a9 100644
> --- a/rust/kernel/cpufreq.rs
> +++ b/rust/kernel/cpufreq.rs
> @@ -38,8 +38,7 @@
>  const CPUFREQ_NAME_LEN: usize = bindings::CPUFREQ_NAME_LEN as usize;
>  
>  /// Default transition latency value in nanoseconds.
> -pub const DEFAULT_TRANSITION_LATENCY_NS: u32 =
> -        bindings::CPUFREQ_DEFAULT_TRANSITION_LATENCY_NS;
> +pub const DEFAULT_TRANSITION_LATENCY_NS: u32 = bindings::CPUFREQ_DEFAULT_TRANSITION_LATENCY_NS;
>  
>  /// CPU frequency driver flags.
>  pub mod flags {

-- 
Cheers,
 Lyude Paul (she/her)
 Senior Software Engineer at Red Hat

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