linux-kernel - [tip:perf/core] perf unwind: Provide only forward declarations for pointer types

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Date:   Mon, 24 Apr 2017 14:06:54 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, hpa@...or.com, tglx@...utronix.de,
        acme@...hat.com, linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf unwind: Provide only forward declarations for
 pointer types

Commit-ID:  3dfed9102694227aa763b9984c50d72de796d39b
Gitweb:     http://git.kernel.org/tip/3dfed9102694227aa763b9984c50d72de796d39b
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Wed, 19 Apr 2017 13:28:30 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 20 Apr 2017 13:22:43 -0300

perf unwind: Provide only forward declarations for pointer types

No need to drag the headers, helps in untangling them and reducing build
time.

Link: http://lkml.kernel.org/n/tip-l8soqph92duyw5jdha0fij8b@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/unwind.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h
index 61fb1e9..bfbdcc6 100644
--- a/tools/perf/util/unwind.h
+++ b/tools/perf/util/unwind.h
@@ -1,10 +1,13 @@
 #ifndef __UNWIND_H
 #define __UNWIND_H
 
+#include <linux/compiler.h>
 #include <linux/types.h>
-#include "event.h"
-#include "symbol.h"
-#include "thread.h"
+
+struct map;
+struct perf_sample;
+struct symbol;
+struct thread;
 
 struct unwind_entry {
 	struct map	*map;