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-rw-r--r--rust/helpers/spinlock.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/rust/helpers/spinlock.c b/rust/helpers/spinlock.c
index acc1376b833c..5971fdf6f755 100644
--- a/rust/helpers/spinlock.c
+++ b/rust/helpers/spinlock.c
@@ -1,16 +1,19 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/spinlock.h>
void rust_helper___spin_lock_init(spinlock_t *lock, const char *name,
struct lock_class_key *key)
{
#ifdef CONFIG_DEBUG_SPINLOCK
+# if defined(CONFIG_PREEMPT_RT)
+ __spin_lock_init(lock, name, key, false);
+# else /*!CONFIG_PREEMPT_RT */
__raw_spin_lock_init(spinlock_check(lock), name, key, LD_WAIT_CONFIG);
-#else
+# endif /* CONFIG_PREEMPT_RT */
+#else /* !CONFIG_DEBUG_SPINLOCK */
spin_lock_init(lock);
-#endif
+#endif /* CONFIG_DEBUG_SPINLOCK */
}
void rust_helper_spin_lock(spinlock_t *lock)
@@ -22,3 +25,8 @@ void rust_helper_spin_unlock(spinlock_t *lock)
{
spin_unlock(lock);
}
+
+int rust_helper_spin_trylock(spinlock_t *lock)
+{
+ return spin_trylock(lock);
+}