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

From: Frederic Weisbecker
Date: Thu Jun 04 2015 - 11:39:31 EST


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@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
---
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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