linux-kernel - [tip:perf/core] perf tools: Move sh barrier.h stuff to tools/arch /sh/include/asm/barrier.h

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Date:	Sun, 10 May 2015 00:07:15 -0700
From:	tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	fweisbec@...il.com, jolsa@...hat.com, mingo@...nel.org,
	hpa@...or.com, dzickus@...hat.com, eranian@...gle.com,
	dsahern@...il.com, namhyung@...nel.org, tglx@...utronix.de,
	adrian.hunter@...el.com, acme@...hat.com, bp@...e.de,
	linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf tools: Move sh barrier.h stuff to tools/arch
 /sh/include/asm/barrier.h

Commit-ID:  827634added7f38b7d724cab1dccdb2b004c13c3
Gitweb:     http://git.kernel.org/tip/827634added7f38b7d724cab1dccdb2b004c13c3
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Thu, 7 May 2015 17:09:48 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 8 May 2015 16:05:05 -0300

perf tools: Move sh barrier.h stuff to tools/arch/sh/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@...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-6xqb97k782wqp1r3v6jqayki@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 {arch => tools/arch}/sh/include/asm/barrier.h | 19 ++++++-------------
 tools/include/asm/barrier.h                   |  2 ++
 tools/perf/MANIFEST                           |  1 +
 tools/perf/perf-sys.h                         |  9 ---------
 4 files changed, 9 insertions(+), 22 deletions(-)

diff --git a/arch/sh/include/asm/barrier.h b/tools/arch/sh/include/asm/barrier.h
similarity index 65%
copy from arch/sh/include/asm/barrier.h
copy to tools/arch/sh/include/asm/barrier.h
index 4371530..c18fd75 100644
--- a/arch/sh/include/asm/barrier.h
+++ b/tools/arch/sh/include/asm/barrier.h
@@ -1,13 +1,11 @@
 /*
+ * Copied from the kernel sources:
+ *
  * Copyright (C) 1999, 2000  Niibe Yutaka  &  Kaz Kojima
  * Copyright (C) 2002 Paul Mundt
  */
-#ifndef __ASM_SH_BARRIER_H
-#define __ASM_SH_BARRIER_H
-
-#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
-#include <asm/cache_insns.h>
-#endif
+#ifndef __TOOLS_LINUX_ASM_SH_BARRIER_H
+#define __TOOLS_LINUX_ASM_SH_BARRIER_H
 
 /*
  * A brief note on ctrl_barrier(), the control register write barrier.
@@ -23,17 +21,12 @@
  * Historically we have only done this type of barrier for the MMUCR, but
  * it's also necessary for the CCR, so we make it generic here instead.
  */
-#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
+#if defined(__SH4A__) || defined(__SH5__)
 #define mb()		__asm__ __volatile__ ("synco": : :"memory")
 #define rmb()		mb()
 #define wmb()		mb()
-#define ctrl_barrier()	__icbi(PAGE_OFFSET)
-#else
-#define ctrl_barrier()	__asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop")
 #endif
 
-#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
-
 #include <asm-generic/barrier.h>
 
-#endif /* __ASM_SH_BARRIER_H */
+#endif /* __TOOLS_LINUX_ASM_SH_BARRIER_H */
diff --git a/tools/include/asm/barrier.h b/tools/include/asm/barrier.h
index 7eb8894..1338c8a 100644
--- a/tools/include/asm/barrier.h
+++ b/tools/include/asm/barrier.h
@@ -4,4 +4,6 @@
 #include "../../arch/powerpc/include/asm/barrier.h"
 #elif defined(__s390__)
 #include "../../arch/s390/include/asm/barrier.h"
+#elif defined(__sh__)
+#include "../../arch/sh/include/asm/barrier.h"
 #endif
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index ac62caf..2ceb1b2 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -1,6 +1,7 @@
 tools/perf
 tools/arch/powerpc/include/asm/barrier.h
 tools/arch/s390/include/asm/barrier.h
+tools/arch/sh/include/asm/barrier.h
 tools/arch/x86/include/asm/barrier.h
 tools/scripts
 tools/build
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index f44e53e..7ef5e82 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -46,15 +46,6 @@
 #endif
 
 #ifdef __sh__
-#if defined(__SH4A__) || defined(__SH5__)
-# define mb()		asm volatile("synco" ::: "memory")
-# define wmb()		asm volatile("synco" ::: "memory")
-# define rmb()		asm volatile("synco" ::: "memory")
-#else
-# define mb()		asm volatile("" ::: "memory")
-# define wmb()		asm volatile("" ::: "memory")
-# define rmb()		asm volatile("" ::: "memory")
-#endif
 #define CPUINFO_PROC	{"cpu type"}
 #endif
 
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