linux-kernel - [PATCH v5 2/25] compiler-gcc4.h: Reorder macros based upon gcc ver

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Date:	Tue, 25 Sep 2012 18:30:07 -0500
From:	Daniel Santos <daniel.santos@...ox.com>
To:	Daniel Santos <daniel.santos@...ox.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	David Daney <david.daney@...ium.com>,
	David Rientjes <rientjes@...gle.com>,
	Pavel Pisa <pisa@....felk.cvut.cz>,
	Richard Weinberger <richard@....at>,
	LKML <linux-kernel@...r.kernel.org>,
	Michel Lespinasse <walken@...gle.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Rik van Riel <riel@...hat.com>
Subject: [PATCH v5 2/25] compiler-gcc4.h: Reorder macros based upon gcc ver

This helps to keep the file from getting confusing, removes one
duplicate version check and should encourage future editors to put new
macros where they belong.

Signed-off-by: Daniel Santos <daniel.santos@...ox.com>
---
 include/linux/compiler-gcc4.h |   20 +++++++++++---------
 1 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 10ce4fa..a334107 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -13,6 +13,10 @@
 #define __must_check 		__attribute__((warn_unused_result))
 #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
 
+#if __GNUC_MINOR__ > 0
+# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
+#endif
+
 #if __GNUC_MINOR__ >= 3
 /* Mark functions as cold. gcc will assume any path leading to a call
    to them will be unlikely.  This means a lot of manual unlikely()s
@@ -31,6 +35,12 @@
 
 #define __linktime_error(message) __attribute__((__error__(message)))
 
+#ifndef __CHECKER__
+# define __compiletime_warning(message) __attribute__((warning(message)))
+# define __compiletime_error(message) __attribute__((error(message)))
+#endif /* __CHECKER__ */
+#endif /* __GNUC_MINOR__ >= 3 */
+
 #if __GNUC_MINOR__ >= 5
 /*
  * Mark a position in code as unreachable.  This can be used to
@@ -46,13 +56,5 @@
 /* Mark a function definition as prohibited from being cloned. */
 #define __noclone	__attribute__((__noclone__))
 
-#endif
-#endif
+#endif /* __GNUC_MINOR__ >= 5 */
 
-#if __GNUC_MINOR__ > 0
-#define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
-#endif
-#if __GNUC_MINOR__ >= 3 && !defined(__CHECKER__)
-#define __compiletime_warning(message) __attribute__((warning(message)))
-#define __compiletime_error(message) __attribute__((error(message)))
-#endif
-- 
1.7.3.4

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