linux-kernel - [PATCH 11/23] tools: Adopt _

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Message-Id: <20170620015459.29381-12-acme@kernel.org>
Date:   Mon, 19 Jun 2017 22:54:47 -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>,
        David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 11/23] tools: Adopt __aligned from kernel sources

From: Arnaldo Carvalho de Melo <acme@...hat.com>

To have a more compact way to ask the compiler to use a specific
alignment, making tools/ look more like kernel source code.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-8jiem6ubg9rlpbs7c2p900no@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/include/linux/compiler-gcc.h | 1 +
 tools/perf/util/evlist.h           | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h
index 0f57a48272ab..bd39b2090ad1 100644
--- a/tools/include/linux/compiler-gcc.h
+++ b/tools/include/linux/compiler-gcc.h
@@ -26,5 +26,6 @@
 
 #define __noreturn	__attribute__((noreturn))
 
+#define __aligned(x)	__attribute__((aligned(x)))
 #define __printf(a, b)	__attribute__((format(printf, a, b)))
 #define __scanf(a, b)	__attribute__((format(scanf, a, b)))
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 94cea4398a13..8d601fbdd8d6 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -1,6 +1,7 @@
 #ifndef __PERF_EVLIST_H
 #define __PERF_EVLIST_H 1
 
+#include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <linux/refcount.h>
 #include <linux/list.h>
@@ -34,7 +35,7 @@ struct perf_mmap {
 	refcount_t	 refcnt;
 	u64		 prev;
 	struct auxtrace_mmap auxtrace_mmap;
-	char		 event_copy[PERF_SAMPLE_MAX_SIZE] __attribute__((aligned(8)));
+	char		 event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
 };
 
 static inline size_t
-- 
2.9.4