1 files changed, 16 insertions, 15 deletions

diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 2058f88c7bbb..759805c9859a 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -53,13 +53,13 @@
 static struct rcu_ctrlblk rcu_ctrlblk = {
         .cur = -300,
         .completed = -300,
-        .lock = SPIN_LOCK_UNLOCKED,
+        .lock = __SPIN_LOCK_UNLOCKED(&rcu_ctrlblk.lock),
         .cpumask = CPU_MASK_NONE,
 };
 static struct rcu_ctrlblk rcu_bh_ctrlblk = {
         .cur = -300,
         .completed = -300,
-        .lock = SPIN_LOCK_UNLOCKED,
+        .lock = __SPIN_LOCK_UNLOCKED(&rcu_bh_ctrlblk.lock),
         .cpumask = CPU_MASK_NONE,
 };
 
@@ -182,6 +182,15 @@ long rcu_batches_completed(void)
         return rcu_ctrlblk.completed;
 }
 
+/*
+ * Return the number of RCU batches processed thus far.  Useful
+ * for debug and statistics.
+ */
+long rcu_batches_completed_bh(void)
+{
+        return rcu_bh_ctrlblk.completed;
+}
+
 static void rcu_barrier_callback(struct rcu_head *notused)
 {
         if (atomic_dec_and_test(&rcu_barrier_cpu_count))
@@ -539,7 +548,7 @@ static void __devinit rcu_online_cpu(int cpu)
         tasklet_init(&per_cpu(rcu_tasklet, cpu), rcu_process_callbacks, 0UL);
 }
 
-static int rcu_cpu_notify(struct notifier_block *self,
+static int __devinit rcu_cpu_notify(struct notifier_block *self,
                                 unsigned long action, void *hcpu)
 {
         long cpu = (long)hcpu;
@@ -556,7 +565,7 @@ static int rcu_cpu_notify(struct notifier_block *self,
         return NOTIFY_OK;
 }
 
-static struct notifier_block rcu_nb = {
+static struct notifier_block __devinitdata rcu_nb = {
         .notifier_call  = rcu_cpu_notify,
 };
 
@@ -612,14 +621,6 @@ void synchronize_rcu(void)
         wait_for_completion(&rcu.completion);
 }
 
-/*
- * Deprecated, use synchronize_rcu() or synchronize_sched() instead.
- */
-void synchronize_kernel(void)
-{
-        synchronize_rcu();
-}
-
 module_param(blimit, int, 0);
 module_param(qhimark, int, 0);
 module_param(qlowmark, int, 0);
@@ -627,7 +628,7 @@ module_param(qlowmark, int, 0);
 module_param(rsinterval, int, 0);
 #endif
 EXPORT_SYMBOL_GPL(rcu_batches_completed);
-EXPORT_SYMBOL_GPL_FUTURE(call_rcu);     /* WARNING: GPL-only in April 2006. */
-EXPORT_SYMBOL_GPL_FUTURE(call_rcu_bh);  /* WARNING: GPL-only in April 2006. */
+EXPORT_SYMBOL_GPL(rcu_batches_completed_bh);
+EXPORT_SYMBOL_GPL(call_rcu);
+EXPORT_SYMBOL_GPL(call_rcu_bh);
 EXPORT_SYMBOL_GPL(synchronize_rcu);
-EXPORT_SYMBOL_GPL_FUTURE(synchronize_kernel); /* WARNING: GPL-only in April 2006. */