From: Boqun Feng <boqun.feng@gmail.com>
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@gmail.com>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
---
V18:
* Add missing __rust_helper annotations
rust/helpers/spinlock.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/rust/helpers/spinlock.c b/rust/helpers/spinlock.c
index 4d13062cf253e..d53400c150227 100644
--- a/rust/helpers/spinlock.c
+++ b/rust/helpers/spinlock.c
@@ -36,3 +36,18 @@ __rust_helper void rust_helper_spin_assert_is_held(spinlock_t *lock)
{
lockdep_assert_held(lock);
}
+
+__rust_helper void rust_helper_spin_lock_irq_disable(spinlock_t *lock)
+{
+ spin_lock_irq_disable(lock);
+}
+
+__rust_helper void rust_helper_spin_unlock_irq_enable(spinlock_t *lock)
+{
+ spin_unlock_irq_enable(lock);
+}
+
+__rust_helper int rust_helper_spin_trylock_irq_disable(spinlock_t *lock)
+{
+ return spin_trylock_irq_disable(lock);
+}
--
2.53.0