linux-kernel - [PATCH 3/3] preempt: Reorganize a bit the notrace declensions

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Date:	Thu,  4 Jun 2015 17:39:09 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Fengguang Wu <fengguang.wu@...el.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH 3/3] preempt: Reorganize a bit the notrace declensions

preempt.h has two seperate "#ifdef CONFIG_PREEMPT" sections: one to
define preempt_enable() and another to define preempt_enable_notrace().

Lets gather both.

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Fengguang Wu <fengguang.wu@...el.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
 include/linux/preempt.h | 34 ++++++++++++++++------------------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 7686dd6..0f1534a 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -175,20 +175,34 @@ do { \
 		__preempt_schedule(); \
 } while (0)
 
+#define preempt_enable_notrace() \
+do { \
+	barrier(); \
+	if (unlikely(__preempt_count_dec_and_test())) \
+		__preempt_schedule_notrace(); \
+} while (0)
+
 #define preempt_check_resched() \
 do { \
 	if (should_resched()) \
 		__preempt_schedule(); \
 } while (0)
 
-#else
+#else /* !CONFIG_PREEMPT */
 #define preempt_enable() \
 do { \
 	barrier(); \
 	preempt_count_dec(); \
 } while (0)
+
+#define preempt_enable_notrace() \
+do { \
+	barrier(); \
+	__preempt_count_dec(); \
+} while (0)
+
 #define preempt_check_resched() do { } while (0)
-#endif
+#endif /* CONFIG_PREEMPT */
 
 #define preempt_disable_notrace() \
 do { \
@@ -202,22 +216,6 @@ do { \
 	__preempt_count_dec(); \
 } while (0)
 
-#ifdef CONFIG_PREEMPT
-
-#define preempt_enable_notrace() \
-do { \
-	barrier(); \
-	if (unlikely(__preempt_count_dec_and_test())) \
-		__preempt_schedule_notrace(); \
-} while (0)
-#else
-#define preempt_enable_notrace() \
-do { \
-	barrier(); \
-	__preempt_count_dec(); \
-} while (0)
-#endif
-
 #else /* !CONFIG_PREEMPT_COUNT */
 
 /*
-- 
2.1.4

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