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-rw-r--r--tools/arch/xtensa/include/asm/barrier.h18
-rw-r--r--tools/include/asm/barrier.h2
-rw-r--r--tools/perf/MANIFEST1
-rw-r--r--tools/perf/perf-sys.h3
4 files changed, 21 insertions, 3 deletions
diff --git a/tools/arch/xtensa/include/asm/barrier.h b/tools/arch/xtensa/include/asm/barrier.h
new file mode 100644
index 000000000000..583800bd7259
--- /dev/null
+++ b/tools/arch/xtensa/include/asm/barrier.h
@@ -0,0 +1,18 @@
+/*
+ * Copied from the kernel sources to tools/:
+ *
+ * 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.
+ *
+ * Copyright (C) 2001 - 2012 Tensilica Inc.
+ */
+
+#ifndef _TOOLS_LINUX_XTENSA_SYSTEM_H
+#define _TOOLS_LINUX_XTENSA_SYSTEM_H
+
+#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
+#define rmb() barrier()
+#define wmb() mb()
+
+#endif /* _TOOLS_LINUX_XTENSA_SYSTEM_H */
diff --git a/tools/include/asm/barrier.h b/tools/include/asm/barrier.h
index d2ddca50ec72..ccb2244903a4 100644
--- a/tools/include/asm/barrier.h
+++ b/tools/include/asm/barrier.h
@@ -16,4 +16,6 @@
#include "../../arch/alpha/include/asm/barrier.h"
#elif defined(__ia64__)
#include "../../arch/ia64/include/asm/barrier.h"
+#elif defined(__xtensa__)
+#include "../../arch/xtensa/include/asm/barrier.h"
#endif
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 1b330dd8a137..6d3c398c1021 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -9,6 +9,7 @@ tools/arch/sparc/include/asm/barrier.h
tools/arch/sparc/include/asm/barrier_32.h
tools/arch/sparc/include/asm/barrier_64.h
tools/arch/x86/include/asm/barrier.h
+tools/arch/xtensa/include/asm/barrier.h
tools/scripts
tools/build
tools/lib/traceevent
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index 56edbe16f583..ebe228f1bde4 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -105,9 +105,6 @@
#endif
#ifdef __xtensa__
-#define mb() asm volatile("memw" ::: "memory")
-#define wmb() asm volatile("memw" ::: "memory")
-#define rmb() asm volatile("" ::: "memory")
#define CPUINFO_PROC {"core ID"}
#endif