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Diffstat (limited to 'include/linux/srcu.h')
-rw-r--r--include/linux/srcu.h29
1 files changed, 20 insertions, 9 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index a54ce9e808b9..c5ab7df6fe5c 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -25,20 +25,19 @@ context_lock_struct(srcu_struct, __reentrant_ctx_lock);
#ifdef CONFIG_DEBUG_LOCK_ALLOC
-int __init_srcu_struct(struct srcu_struct *ssp, const char *name, struct lock_class_key *key);
+int init_srcu_struct_lockdep(struct srcu_struct *ssp, const char *name,
+ struct lock_class_key *key);
+static inline int __init_srcu_struct(struct srcu_struct *ssp, const char *name,
+ struct lock_class_key *key)
+{
+ return init_srcu_struct_lockdep(ssp, name, key);
+}
#ifndef CONFIG_TINY_SRCU
int __init_srcu_struct_fast(struct srcu_struct *ssp, const char *name, struct lock_class_key *key);
int __init_srcu_struct_fast_updown(struct srcu_struct *ssp, const char *name,
struct lock_class_key *key);
#endif // #ifndef CONFIG_TINY_SRCU
-#define init_srcu_struct(ssp) \
-({ \
- static struct lock_class_key __srcu_key; \
- \
- __init_srcu_struct((ssp), #ssp, &__srcu_key); \
-})
-
#define init_srcu_struct_fast(ssp) \
({ \
static struct lock_class_key __srcu_key; \
@@ -56,7 +55,12 @@ int __init_srcu_struct_fast_updown(struct srcu_struct *ssp, const char *name,
#define __SRCU_DEP_MAP_INIT(srcu_name) .dep_map = { .name = #srcu_name },
#else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
-int init_srcu_struct(struct srcu_struct *ssp);
+int init_srcu_struct_generic(struct srcu_struct *ssp);
+static inline int __init_srcu_struct(struct srcu_struct *ssp, const char *name,
+ struct lock_class_key *key)
+{
+ return init_srcu_struct_generic(ssp);
+}
#ifndef CONFIG_TINY_SRCU
int init_srcu_struct_fast(struct srcu_struct *ssp);
int init_srcu_struct_fast_updown(struct srcu_struct *ssp);
@@ -65,6 +69,13 @@ int init_srcu_struct_fast_updown(struct srcu_struct *ssp);
#define __SRCU_DEP_MAP_INIT(srcu_name)
#endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */
+#define init_srcu_struct(ssp) \
+({ \
+ static struct lock_class_key __srcu_key; \
+ \
+ __init_srcu_struct((ssp), #ssp, &__srcu_key); \
+})
+
/* Values for SRCU Tree srcu_data ->srcu_reader_flavor, but also used by rcutorture. */
#define SRCU_READ_FLAVOR_NORMAL 0x1 // srcu_read_lock().
#define SRCU_READ_FLAVOR_NMI 0x2 // srcu_read_lock_nmisafe().