sched: fix buddie group latency

[pandora-kernel.git] / kernel / lockdep.c

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index e4bdda8..06b0c35 100644 (file)
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -25,6 +25,7 @@
  * Thanks to Arjan van de Ven for coming up with the initial idea of
  * mapping lock dependencies runtime.
  */
+#define DISABLE_BRANCH_PROFILING
 #include <linux/mutex.h>
 #include <linux/sched.h>
 #include <linux/delay.h>
@@ -291,14 +292,12 @@ void lockdep_off(void)
 {
        current->lockdep_recursion++;
 }
-
 EXPORT_SYMBOL(lockdep_off);
 
 void lockdep_on(void)
 {
        current->lockdep_recursion--;
 }
-
 EXPORT_SYMBOL(lockdep_on);
 
 /*
@@ -580,7 +579,8 @@ static void print_lock_class_header(struct lock_class *class, int depth)
 /*
  * printk all lock dependencies starting at <entry>:
  */
-static void print_lock_dependencies(struct lock_class *class, int depth)
+static void __used
+print_lock_dependencies(struct lock_class *class, int depth)
 {
        struct lock_list *entry;
 
@@ -2512,7 +2512,6 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
        if (subclass)
                register_lock_class(lock, subclass, 1);
 }
-
 EXPORT_SYMBOL_GPL(lockdep_init_map);
 
 /*
@@ -2693,8 +2692,9 @@ static int check_unlock(struct task_struct *curr, struct lockdep_map *lock,
 }
 
 static int
-__lock_set_subclass(struct lockdep_map *lock,
-                   unsigned int subclass, unsigned long ip)
+__lock_set_class(struct lockdep_map *lock, const char *name,
+                struct lock_class_key *key, unsigned int subclass,
+                unsigned long ip)
 {
        struct task_struct *curr = current;
        struct held_lock *hlock, *prev_hlock;
@@ -2721,6 +2721,7 @@ __lock_set_subclass(struct lockdep_map *lock,
        return print_unlock_inbalance_bug(curr, lock, ip);
 
 found_it:
+       lockdep_init_map(lock, name, key, 0);
        class = register_lock_class(lock, subclass, 0);
        hlock->class_idx = class - lock_classes + 1;
 
@@ -2905,9 +2906,9 @@ static void check_flags(unsigned long flags)
 #endif
 }
 
-void
-lock_set_subclass(struct lockdep_map *lock,
-                 unsigned int subclass, unsigned long ip)
+void lock_set_class(struct lockdep_map *lock, const char *name,
+                   struct lock_class_key *key, unsigned int subclass,
+                   unsigned long ip)
 {
        unsigned long flags;
 
@@ -2917,13 +2918,12 @@ lock_set_subclass(struct lockdep_map *lock,
        raw_local_irq_save(flags);
        current->lockdep_recursion = 1;
        check_flags(flags);
-       if (__lock_set_subclass(lock, subclass, ip))
+       if (__lock_set_class(lock, name, key, subclass, ip))
                check_chain_key(current);
        current->lockdep_recursion = 0;
        raw_local_irq_restore(flags);
 }
-
-EXPORT_SYMBOL_GPL(lock_set_subclass);
+EXPORT_SYMBOL_GPL(lock_set_class);
 
 /*
  * We are not always called with irqs disabled - do that here,
@@ -2947,7 +2947,6 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
        current->lockdep_recursion = 0;
        raw_local_irq_restore(flags);
 }
-
 EXPORT_SYMBOL_GPL(lock_acquire);
 
 void lock_release(struct lockdep_map *lock, int nested,
@@ -2965,7 +2964,6 @@ void lock_release(struct lockdep_map *lock, int nested,
        current->lockdep_recursion = 0;
        raw_local_irq_restore(flags);
 }
-
 EXPORT_SYMBOL_GPL(lock_release);
 
 #ifdef CONFIG_LOCK_STAT
@@ -3450,7 +3448,6 @@ retry:
        if (unlock)
                read_unlock(&tasklist_lock);
 }
-
 EXPORT_SYMBOL_GPL(debug_show_all_locks);
 
 /*
@@ -3471,7 +3468,6 @@ void debug_show_held_locks(struct task_struct *task)
 {
                __debug_show_held_locks(task);
 }
-
 EXPORT_SYMBOL_GPL(debug_show_held_locks);
 
 void lockdep_sys_exit(void)