linux-kernel - [PATCH v2 01/27] rust: barrier: add __rust

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Message-ID: <20260105-define-rust-helper-v2-1-51da5f454a67@google.com>
Date: Mon, 05 Jan 2026 12:42:14 +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>, 
	Peter Zijlstra <peterz@...radead.org>, Elle Rhumsaa <elle@...thered-steel.dev>
Subject: [PATCH v2 01/27] rust: barrier: 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: Peter Zijlstra <peterz@...radead.org>
Cc: Boqun Feng <boqun.feng@...il.com>
Cc: Elle Rhumsaa <elle@...thered-steel.dev>
---
 rust/helpers/barrier.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/rust/helpers/barrier.c b/rust/helpers/barrier.c
index cdf28ce8e5116728c97e24893cf12ef41578d3ac..fed8853745c83639c32f79335e40b9494db11e98 100644
--- a/rust/helpers/barrier.c
+++ b/rust/helpers/barrier.c
@@ -2,17 +2,17 @@
 
 #include <asm/barrier.h>
 
-void rust_helper_smp_mb(void)
+__rust_helper void rust_helper_smp_mb(void)
 {
 	smp_mb();
 }
 
-void rust_helper_smp_wmb(void)
+__rust_helper void rust_helper_smp_wmb(void)
 {
 	smp_wmb();
 }
 
-void rust_helper_smp_rmb(void)
+__rust_helper void rust_helper_smp_rmb(void)
 {
 	smp_rmb();
 }

-- 
2.52.0.351.gbe84eed79e-goog