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-rw-r--r--include/linux/spinlock.h35
1 files changed, 25 insertions, 10 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 031ce8617df8..d3770b3f9d9a 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -93,12 +93,13 @@
#ifdef CONFIG_DEBUG_SPINLOCK
extern void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name,
- struct lock_class_key *key);
-# define raw_spin_lock_init(lock) \
-do { \
- static struct lock_class_key __key; \
- \
- __raw_spin_lock_init((lock), #lock, &__key); \
+ struct lock_class_key *key, short inner);
+
+# define raw_spin_lock_init(lock) \
+do { \
+ static struct lock_class_key __key; \
+ \
+ __raw_spin_lock_init((lock), #lock, &__key, LD_WAIT_SPIN); \
} while (0)
#else
@@ -327,12 +328,26 @@ static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock)
return &lock->rlock;
}
-#define spin_lock_init(_lock) \
-do { \
- spinlock_check(_lock); \
- raw_spin_lock_init(&(_lock)->rlock); \
+#ifdef CONFIG_DEBUG_SPINLOCK
+
+# define spin_lock_init(lock) \
+do { \
+ static struct lock_class_key __key; \
+ \
+ __raw_spin_lock_init(spinlock_check(lock), \
+ #lock, &__key, LD_WAIT_CONFIG); \
+} while (0)
+
+#else
+
+# define spin_lock_init(_lock) \
+do { \
+ spinlock_check(_lock); \
+ *(_lock) = __SPIN_LOCK_UNLOCKED(_lock); \
} while (0)
+#endif
+
static __always_inline void spin_lock(spinlock_t *lock)
{
raw_spin_lock(&lock->rlock);