linux-kernel - [POC 3/6] rust: helper: Add spin_{un,}lock_irq

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Message-ID: <20241018055125.2784186-4-boqun.feng@gmail.com>
Date: Thu, 17 Oct 2024 22:51:22 -0700
From: Boqun Feng <boqun.feng@...il.com>
To: "Thomas Gleixner" <tglx@...utronix.de>
Cc: Dirk Behme <dirk.behme@...il.com>,
	Lyude Paul <lyude@...hat.com>,
	rust-for-linux@...r.kernel.org,
	Danilo Krummrich <dakr@...hat.com>,
	airlied@...hat.com,
	Ingo Molnar <mingo@...hat.com>,
	will@...nel.org,
	Waiman Long <longman@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	wedsonaf@...il.com,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...sung.com>,
	aliceryhl@...gle.com,
	Trevor Gross <tmgross@...ch.edu>,
	Boqun Feng <boqun.feng@...il.com>
Subject: [POC 3/6] rust: helper: Add spin_{un,}lock_irq_{enable,disable}() helpers

spin_lock_irq_disable() and spin_unlock_irq_enable() are inline
functions, to use them in Rust, helpers are introduced. This is for
interrupt disabling lock abstraction in Rust.

Signed-off-by: Boqun Feng <boqun.feng@...il.com>
---
 rust/helpers/spinlock.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/rust/helpers/spinlock.c b/rust/helpers/spinlock.c
index acc1376b833c..8ae0e8f9372c 100644
--- a/rust/helpers/spinlock.c
+++ b/rust/helpers/spinlock.c
@@ -22,3 +22,13 @@ void rust_helper_spin_unlock(spinlock_t *lock)
 {
 	spin_unlock(lock);
 }
+
+void rust_helper_spin_lock_irq_disable(spinlock_t *lock)
+{
+	spin_lock_irq_disable(lock);
+}
+
+void rust_helper_spin_unlock_irq_enable(spinlock_t *lock)
+{
+	spin_unlock_irq_enable(lock);
+}
-- 
2.45.2