linux-kernel - [patch 37/50] locking/mutex: Rearrange items in mutex.h

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Date:   Tue, 13 Jul 2021 17:11:31 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Davidlohr Bueso <dave@...olabs.net>
Subject: [patch 37/50] locking/mutex: Rearrange items in mutex.h

From: Thomas Gleixner <tglx@...utronix.de>

Move the lockdep map initializer to a different place so it can be shared
with the upcoming RT variant of struct mutex.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 include/linux/mutex.h | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 9183e3f7911d..827c32bb44bc 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -49,6 +49,16 @@
  *   locks and tasks (and only those tasks)
  */
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define __DEP_MAP_MUTEX_INITIALIZER(lockname)			\
+		, .dep_map = {					\
+			.name = #lockname,			\
+			.wait_type_inner = LD_WAIT_SLEEP,	\
+		}
+#else
+# define __DEP_MAP_MUTEX_INITIALIZER(lockname)
+#endif
+
 /*
  * Typedef _mutex_t for ww_mutex and core code to allow ww_mutex being
  * built on the regular mutex code in RT kernels while mutex itself is
@@ -104,16 +114,6 @@ do {									\
 	__mutex_t_init((mutex), name, key);				\
 } while (0)
 
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-# define __DEP_MAP_MUTEX_INITIALIZER(lockname)			\
-		, .dep_map = {					\
-			.name = #lockname,			\
-			.wait_type_inner = LD_WAIT_SLEEP,	\
-		}
-#else
-# define __DEP_MAP_MUTEX_INITIALIZER(lockname)
-#endif
-
 #define __MUTEX_INITIALIZER(lockname) \
 		{ .owner = ATOMIC_LONG_INIT(0) \
 		, .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(lockname.wait_lock) \