linux-kernel - Re: [PATCH v13 07/17] rust: Introduce interrupt module

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Message-ID: <875xbq7y8y.fsf@t14s.mail-host-address-is-not-set>
Date: Tue, 04 Nov 2025 13:55:57 +0100
From: Andreas Hindborg <a.hindborg@...nel.org>
To: Lyude Paul <lyude@...hat.com>, 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: Benno Lossin <lossin@...nel.org>, Miguel Ojeda <ojeda@...nel.org>, Alex
 Gaynor <alex.gaynor@...il.com>, Gary Guo <gary@...yguo.net>, Björn Roy
 Baron <bjorn3_gh@...tonmail.com>, Alice Ryhl <aliceryhl@...gle.com>,
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, Greg
 Kroah-Hartman <gregkh@...uxfoundation.org>, Viresh Kumar
 <viresh.kumar@...aro.org>, FUJITA Tomonori <fujita.tomonori@...il.com>,
 Krishna Ketan Rai <prafulrai522@...il.com>, Ingo Molnar
 <mingo@...nel.org>, Mitchell Levy <levymitchell0@...il.com>, Tamir
 Duberstein <tamird@...il.com>, Wedson Almeida Filho <wedsonaf@...il.com>
Subject: Re: [PATCH v13 07/17] rust: Introduce interrupt module

Lyude Paul <lyude@...hat.com> writes:

> This introduces a module for dealing with interrupt-disabled contexts,
> including the ability to enable and disable interrupts along with the
> ability to annotate functions as expecting that IRQs are already
> disabled on the local CPU.
>
> [Boqun: This is based on Lyude's work on interrupt disable abstraction,
> I port to the new local_interrupt_disable() mechanism to make it work
> as a guard type. I cannot even take the credit of this design, since
> Lyude also brought up the same idea in zulip. Anyway, this is only for
> POC purpose, and of course all bugs are mine]
>
> Signed-off-by: Lyude Paul <lyude@...hat.com>
> Co-developed-by: Boqun Feng <boqun.feng@...il.com>
> Signed-off-by: Boqun Feng <boqun.feng@...il.com>
> Reviewed-by: Benno Lossin <lossin@...nel.org>

Reviewed-by: Andreas Hindborg <a.hindborg@...nel.org>


Best regards,
Andreas Hindborg