From e2164f0406db75cb1ae0bf49ae7915f0ab10e201 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 8 May 2015 09:40:36 -0300
Subject: [PATCH] perf tools: Move mips barrier.h stuff to
 tools/arch/mips/include/asm/barrier.h

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: Deng-Cheng Zhu <dengcheng.zhu@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: Ralf Baechle <ralf@linux-mips.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-c5a8m8lbjuy0agep6giykxbz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/arch/mips/include/asm/barrier.h | 20 ++++++++++++++++++++
 tools/include/asm/barrier.h           |  2 ++
 tools/perf/MANIFEST                   |  1 +
 tools/perf/perf-sys.h                 |  9 ---------
 4 files changed, 23 insertions(+), 9 deletions(-)
 create mode 100644 tools/arch/mips/include/asm/barrier.h

diff --git a/tools/arch/mips/include/asm/barrier.h b/tools/arch/mips/include/asm/barrier.h
new file mode 100644
index 0000000..80f96f7
--- /dev/null
+++ b/tools/arch/mips/include/asm/barrier.h
@@ -0,0 +1,20 @@
+#ifndef _TOOLS_LINUX_ASM_MIPS_BARRIER_H
+#define _TOOLS_LINUX_ASM_MIPS_BARRIER_H
+/*
+ * FIXME: This came from tools/perf/perf-sys.h, where it was first introduced
+ * in c1e028ef40b8d6943b767028ba17d4f2ba020edb, more work needed to make it
+ * more closely follow the Linux kernel arch/mips/include/asm/barrier.h file.
+ * Probably when we continue work on tools/ Kconfig support to have all the
+ * CONFIG_ needed for properly doing that.
+ */
+#define mb()		asm volatile(					\
+				".set	mips2\n\t"			\
+				"sync\n\t"				\
+				".set	mips0"				\
+				: /* no output */			\
+				: /* no input */			\
+				: "memory")
+#define wmb()	mb()
+#define rmb()	mb()
+
+#endif /* _TOOLS_LINUX_ASM_MIPS_BARRIER_H */
diff --git a/tools/include/asm/barrier.h b/tools/include/asm/barrier.h
index ccb2244..a00b948 100644
--- a/tools/include/asm/barrier.h
+++ b/tools/include/asm/barrier.h
@@ -14,6 +14,8 @@
 #include "../../arch/sparc/include/asm/barrier.h"
 #elif defined(__alpha__)
 #include "../../arch/alpha/include/asm/barrier.h"
+#elif defined(__mips__)
+#include "../../arch/mips/include/asm/barrier.h"
 #elif defined(__ia64__)
 #include "../../arch/ia64/include/asm/barrier.h"
 #elif defined(__xtensa__)
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 6d3c398..e4a7220 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -2,6 +2,7 @@ tools/perf
 tools/arch/alpha/include/asm/barrier.h
 tools/arch/arm/include/asm/barrier.h
 tools/arch/ia64/include/asm/barrier.h
+tools/arch/mips/include/asm/barrier.h
 tools/arch/powerpc/include/asm/barrier.h
 tools/arch/s390/include/asm/barrier.h
 tools/arch/sh/include/asm/barrier.h
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index ebe228f..876001e 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -78,15 +78,6 @@
 #endif
 
 #ifdef __mips__
-#define mb()		asm volatile(					\
-				".set	mips2\n\t"			\
-				"sync\n\t"				\
-				".set	mips0"				\
-				: /* no output */			\
-				: /* no input */			\
-				: "memory")
-#define wmb()	mb()
-#define rmb()	mb()
 #define CPUINFO_PROC	{"cpu model"}
 #endif
 
-- 
2.7.4