[tip: locking/core] rust: rcu: Add __rust_helper to helpers

From: tip-bot2 for Alice Ryhl

Date: Tue Jan 13 2026 - 05:49:44 EST


The following commit has been merged into the locking/core branch of tip:

Commit-ID: 5e03edaed373f41e7a3c8617e01891eb680d62aa
Gitweb: https://git.kernel.org/tip/5e03edaed373f41e7a3c8617e01891eb680d62aa
Author: Alice Ryhl <aliceryhl@xxxxxxxxxx>
AuthorDate: Mon, 05 Jan 2026 12:42:29
Committer: Boqun Feng <boqun.feng@xxxxxxxxx>
CommitterDate: Fri, 09 Jan 2026 19:01:42 +08:00

rust: rcu: Add __rust_helper to helpers

This is needed to inline these helpers into Rust code.

Reviewed-by: Boqun Feng <boqun.feng@xxxxxxxxx>
Reviewed-by: Gary Guo <gary@xxxxxxxxxxx>
Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
Reviewed-by: Joel Fernandes (NVIDIA) <joel@xxxxxxxxxxxxxxxxx>
Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx>
Link: https://patch.msgid.link/20260105-define-rust-helper-v2-16-51da5f454a67@xxxxxxxxxx
---
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 f1cec65..481274c 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();
}