audio ok

hc

2023-12-11 223293205a7265c8b02882461ba8996650048ade

 kernel/include/linux/mutex.h
..
..
@@ -19,17 +19,21 @@
19
19
 #include <asm/processor.h>
20
20
 #include <linux/osq_lock.h>
21
21
 #include <linux/debug_locks.h>
22
+#include <linux/android_vendor.h>
22
23
 
23
24
 struct ww_acquire_ctx;
24
25
 
25
26
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
26
-# define __DEP_MAP_MUTEX_INITIALIZER(lockname) \
27
-		, .dep_map = { .name = #lockname }
27
+# define __DEP_MAP_MUTEX_INITIALIZER(lockname)			\
28
+		, .dep_map = {					\
29
+			.name = #lockname,			\
30
+			.wait_type_inner = LD_WAIT_SLEEP,	\
31
+		}
28
32
 #else
29
33
 # define __DEP_MAP_MUTEX_INITIALIZER(lockname)
30
34
 #endif
31
35
 
32
-#ifdef CONFIG_PREEMPT_RT_FULL
36
+#ifdef CONFIG_PREEMPT_RT
33
37
 # include <linux/mutex_rt.h>
34
38
 #else
35
39
 
..
..
@@ -74,17 +78,11 @@
74
78
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
75
79
 	struct lockdep_map	dep_map;
76
80
 #endif
81
+	ANDROID_OEM_DATA_ARRAY(1, 2);
77
82
 };
78
83
 
79
-/*
80
- * Internal helper function; C doesn't allow us to hide it :/
81
- *
82
- * DO NOT USE (outside of mutex code).
83
- */
84
-static inline struct task_struct *__mutex_owner(struct mutex *lock)
85
-{
86
-	return (struct task_struct *)(atomic_long_read(&lock->owner) & ~0x07);
87
-}
84
+struct ww_class;
85
+struct ww_acquire_ctx;
88
86
 
89
87
 /*
90
88
  * This is the control structure for tasks blocked on mutex,
..
..
@@ -148,14 +146,11 @@
148
146
  *
149
147
  * Returns true if the mutex is locked, false if unlocked.
150
148
  */
151
-static inline bool mutex_is_locked(struct mutex *lock)
152
-{
153
-	return __mutex_owner(lock) != NULL;
154
-}
149
+extern bool mutex_is_locked(struct mutex *lock);
155
150
 
156
151
 /*
157
152
  * See kernel/locking/mutex.c for detailed documentation of these APIs.
158
- * Also see Documentation/locking/mutex-design.txt.
153
+ * Also see Documentation/locking/mutex-design.rst.
159
154
  */
160
155
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
161
156
 extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
..
..
@@ -224,15 +219,9 @@
224
219
  *  - MUTEX_TRYLOCK_SUCCESS   - lock acquired,
225
220
  *  - MUTEX_TRYLOCK_RECURSIVE - we already owned the lock.
226
221
  */
227
-static inline /* __deprecated */ __must_check enum mutex_trylock_recursive_enum
228
-mutex_trylock_recursive(struct mutex *lock)
229
-{
230
-	if (unlikely(__mutex_owner(lock) == current))
231
-		return MUTEX_TRYLOCK_RECURSIVE;
222
+extern /* __deprecated */ __must_check enum mutex_trylock_recursive_enum
223
+mutex_trylock_recursive(struct mutex *lock);
232
224
 
233
-	return mutex_trylock(lock);
234
-}
235
-
236
-#endif /* !PREEMPT_RT_FULL */
225
+#endif /* !PREEMPT_RT */
237
226
 
238
227
 #endif /* __LINUX_MUTEX_H */