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Subject[PATCH 17/30] perf tools: Move xtensa barrier.h stuff to tools/arch/xtensa/include/asm/barrier.h
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

We will need it for atomic.h, so move it from the ad-hoc tools/perf/
place to a tools/ subset of the kernel arch/ hierarchy.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-lp68dspbtjcwbpzd7x5c6zp5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/arch/xtensa/include/asm/barrier.h | 18 ++++++++++++++++++
tools/include/asm/barrier.h | 2 ++
tools/perf/MANIFEST | 1 +
tools/perf/perf-sys.h | 3 ---
4 files changed, 21 insertions(+), 3 deletions(-)
create mode 100644 tools/arch/xtensa/include/asm/barrier.h

diff --git a/tools/arch/xtensa/include/asm/barrier.h b/tools/arch/xtensa/include/asm/barrier.h
new file mode 100644
index 0000000..583800b
--- /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 d2ddca50..ccb2244 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 1b330dd..6d3c398 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 56edbe1..ebe228f 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

--
2.1.0


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