linux-kernel - [PATCH v2 16/27] rust: rcu: add __rust

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Message-ID: <20260105-define-rust-helper-v2-16-51da5f454a67@google.com>
Date: Mon, 05 Jan 2026 12:42:29 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: rust-for-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Alice Ryhl <aliceryhl@...gle.com>, 
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	"Paul E. McKenney" <paulmck@...nel.org>, rcu@...r.kernel.org
Subject: [PATCH v2 16/27] rust: rcu: add __rust_helper to helpers

This is needed to inline these helpers into Rust code.

Reviewed-by: Boqun Feng <boqun.feng@...il.com>
Reviewed-by: Gary Guo <gary@...yguo.net>
Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
Cc: "Paul E. McKenney" <paulmck@...nel.org>
Cc: Boqun Feng <boqun.feng@...il.com>
Cc: rcu@...r.kernel.org
---
 rust/helpers/rcu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rust/helpers/rcu.c b/rust/helpers/rcu.c
index f1cec6583513497e996f74835ca2c6c3f4a8c954..481274c058577276e20093a1014fc49f4a40421b 100644
--- a/rust/helpers/rcu.c
+++ b/rust/helpers/rcu.c
@@ -2,12 +2,12 @@
 
 #include <linux/rcupdate.h>
 
-void rust_helper_rcu_read_lock(void)
+__rust_helper void rust_helper_rcu_read_lock(void)
 {
 	rcu_read_lock();
 }
 
-void rust_helper_rcu_read_unlock(void)
+__rust_helper void rust_helper_rcu_read_unlock(void)
 {
 	rcu_read_unlock();
 }

-- 
2.52.0.351.gbe84eed79e-goog