linux-kernel - [PATCH 19/30] perf tools: Move tile barrier.h stuff to tools/arch/tile/include/asm/barrier.h

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Message-Id: <1431118602-5877-20-git-send-email-acme@kernel.org>
Date:	Fri,  8 May 2015 17:56:31 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
	Don Zickus <dzickus@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 19/30] perf tools: Move tile barrier.h stuff to tools/arch/tile/include/asm/barrier.h

From: Arnaldo Carvalho de Melo <acme@...hat.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@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Don Zickus <dzickus@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-jwcs4r1lo0ld8a4ricbe0zug@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/arch/tile/include/asm/barrier.h | 15 +++++++++++++++
 tools/include/asm/barrier.h           |  2 ++
 tools/perf/MANIFEST                   |  1 +
 tools/perf/perf-sys.h                 |  3 ---
 4 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100644 tools/arch/tile/include/asm/barrier.h

diff --git a/tools/arch/tile/include/asm/barrier.h b/tools/arch/tile/include/asm/barrier.h
new file mode 100644
index 0000000..7d3692c
--- /dev/null
+++ b/tools/arch/tile/include/asm/barrier.h
@@ -0,0 +1,15 @@
+#ifndef _TOOLS_LINUX_ASM_TILE_BARRIER_H
+#define _TOOLS_LINUX_ASM_TILE_BARRIER_H
+/*
+ * FIXME: This came from tools/perf/perf-sys.h, where it was first introduced
+ * in 620830b6954913647b7c7f68920cf48eddf6ad92, more work needed to make it
+ * more closely follow the Linux kernel arch/tile/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 ("mf" ::: "memory")
+#define wmb()		mb()
+#define rmb()		mb()
+
+#endif /* _TOOLS_LINUX_ASM_TILE_BARRIER_H */
diff --git a/tools/include/asm/barrier.h b/tools/include/asm/barrier.h
index a00b948..c23fff3b 100644
--- a/tools/include/asm/barrier.h
+++ b/tools/include/asm/barrier.h
@@ -12,6 +12,8 @@
 #include "../../arch/sh/include/asm/barrier.h"
 #elif defined(__sparc__)
 #include "../../arch/sparc/include/asm/barrier.h"
+#elif defined(__tile__)
+#include "../../arch/tile/include/asm/barrier.h"
 #elif defined(__alpha__)
 #include "../../arch/alpha/include/asm/barrier.h"
 #elif defined(__mips__)
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index e4a7220..7ef14d4 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -9,6 +9,7 @@ tools/arch/sh/include/asm/barrier.h
 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/tile/include/asm/barrier.h
 tools/arch/x86/include/asm/barrier.h
 tools/arch/xtensa/include/asm/barrier.h
 tools/scripts
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index 876001e..e5be325 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -100,9 +100,6 @@
 #endif
 
 #ifdef __tile__
-#define mb()		asm volatile ("mf" ::: "memory")
-#define wmb()		asm volatile ("mf" ::: "memory")
-#define rmb()		asm volatile ("mf" ::: "memory")
 #define cpu_relax()	asm volatile ("mfspr zero, PASS" ::: "memory")
 #define CPUINFO_PROC    {"model name"}
 #endif
-- 
2.1.0

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