[tip:perf/core] tools: Adopt __aligned from kernel sources
From: tip-bot for Arnaldo Carvalho de Melo
Date: Tue Jun 20 2017 - 05:03:17 EST
Commit-ID: 5c97cac63ac24c78c8126958a453774e49e706dd
Gitweb: http://git.kernel.org/tip/5c97cac63ac24c78c8126958a453774e49e706dd
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Fri, 16 Jun 2017 11:39:15 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 19 Jun 2017 15:27:08 -0300
tools: Adopt __aligned from kernel sources
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@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-8jiem6ubg9rlpbs7c2p900no@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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 0f57a48..bd39b20 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 94cea43..8d601fb 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