#endif
/*
- * A mutex count of -1 indicates that waiters are sleeping waiting for the
- * mutex. Some architectures can allow any negative number, not just -1, for
- * this purpose.
+ * A negative mutex count indicates that waiters are sleeping waiting for the
+ * mutex.
*/
-#ifdef __ARCH_ALLOW_ANY_NEGATIVE_MUTEX_COUNT
#define MUTEX_SHOW_NO_WAITER(mutex) (atomic_read(&(mutex)->count) >= 0)
-#else
-#define MUTEX_SHOW_NO_WAITER(mutex) (atomic_read(&(mutex)->count) != -1)
-#endif
void
__mutex_init(struct mutex *lock, const char *name, struct lock_class_key *key)