[PATCH 1/5] fix raw_spinlock_t vs lockdep

[Peter Zijlstra]

raw_spinlock_t should not use lockdep (and doesn't) since lockdep itself relies
on it.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxx>
---
 include/linux/spinlock_types.h    |    4 ++--
 include/linux/spinlock_types_up.h |    9 +--------
 2 files changed, 3 insertions(+), 10 deletions(-)

Index: linux-2.6-git/include/linux/spinlock_types_up.h
===================================================================
--- linux-2.6-git.orig/include/linux/spinlock_types_up.h
+++ linux-2.6-git/include/linux/spinlock_types_up.h
@@ -12,14 +12,10 @@
  * Released under the General Public License (GPL).
  */
 
-#if defined(CONFIG_DEBUG_SPINLOCK) || \
-	defined(CONFIG_DEBUG_LOCK_ALLOC)
+#ifdef CONFIG_DEBUG_SPINLOCK
 
 typedef struct {
 	volatile unsigned int slock;
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-	struct lockdep_map dep_map;
-#endif
 } raw_spinlock_t;
 
 #define __RAW_SPIN_LOCK_UNLOCKED { 1 }
@@ -34,9 +30,6 @@ typedef struct { } raw_spinlock_t;
 
 typedef struct {
 	/* no debug version on UP */
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-	struct lockdep_map dep_map;
-#endif
 } raw_rwlock_t;
 
 #define __RAW_RW_LOCK_UNLOCKED { }
Index: linux-2.6-git/include/linux/spinlock_types.h
===================================================================
--- linux-2.6-git.orig/include/linux/spinlock_types.h
+++ linux-2.6-git/include/linux/spinlock_types.h
@@ -9,14 +9,14 @@
  * Released under the General Public License (GPL).
  */
 
-#include <linux/lockdep.h>
-
 #if defined(CONFIG_SMP)
 # include <asm/spinlock_types.h>
 #else
 # include <linux/spinlock_types_up.h>
 #endif
 
+#include <linux/lockdep.h>
+
 typedef struct {
 	raw_spinlock_t raw_lock;
 #if defined(CONFIG_PREEMPT) && defined(CONFIG_SMP)

--

-
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