1 files changed, 27 insertions, 0 deletions

diff --git a/arch/microblaze/include/asm/barrier.h b/arch/microblaze/include/asm/barrier.h
new file mode 100644
index 000000000000..df5be3e87044
--- /dev/null
+++ b/arch/microblaze/include/asm/barrier.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_BARRIER_H
+#define _ASM_MICROBLAZE_BARRIER_H
+
+#define nop()                  asm volatile ("nop")
+
+#define smp_read_barrier_depends()      do {} while (0)
+#define read_barrier_depends()          do {} while (0)
+
+#define mb()                    barrier()
+#define rmb()                   mb()
+#define wmb()                   mb()
+#define set_mb(var, value)      do { var = value; mb(); } while (0)
+#define set_wmb(var, value)     do { var = value; wmb(); } while (0)
+
+#define smp_mb()                mb()
+#define smp_rmb()               rmb()
+#define smp_wmb()               wmb()
+
+#endif /* _ASM_MICROBLAZE_BARRIER_H */