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Diffstat (limited to 'include/asm-alpha')
-rw-r--r--include/asm-alpha/barrier.h2
-rw-r--r--include/asm-alpha/rwsem.h5
-rw-r--r--include/asm-alpha/semaphore.h3
3 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-alpha/barrier.h b/include/asm-alpha/barrier.h
index 229c83fe77c..681ff581afa 100644
--- a/include/asm-alpha/barrier.h
+++ b/include/asm-alpha/barrier.h
@@ -1,6 +1,8 @@
#ifndef __BARRIER_H
#define __BARRIER_H
+#include <asm/compiler.h>
+
#define mb() \
__asm__ __volatile__("mb": : :"memory")
diff --git a/include/asm-alpha/rwsem.h b/include/asm-alpha/rwsem.h
index 8e058a67c9a..fafdd4f7010 100644
--- a/include/asm-alpha/rwsem.h
+++ b/include/asm-alpha/rwsem.h
@@ -262,5 +262,10 @@ static inline long rwsem_atomic_update(long val, struct rw_semaphore *sem)
#endif
}
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+ return (sem->count != 0);
+}
+
#endif /* __KERNEL__ */
#endif /* _ALPHA_RWSEM_H */
diff --git a/include/asm-alpha/semaphore.h b/include/asm-alpha/semaphore.h
index eb2cbd97d40..1a6295f2c2d 100644
--- a/include/asm-alpha/semaphore.h
+++ b/include/asm-alpha/semaphore.h
@@ -26,9 +26,6 @@ struct semaphore {
.wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), \
}
-#define __MUTEX_INITIALIZER(name) \
- __SEMAPHORE_INITIALIZER(name,1)
-
#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)