locking: Convert __raw_spin* functions to arch_spin*

Name space cleanup. No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: linux-arch@vger.kernel.org
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 728c352..678a512 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -54,7 +54,7 @@
 		return;
 
 	local_irq_save(flags);
-	__raw_spin_lock(&max_stack_lock);
+	arch_spin_lock(&max_stack_lock);
 
 	/* a race could have already updated it */
 	if (this_size <= max_stack_size)
@@ -103,7 +103,7 @@
 	}
 
  out:
-	__raw_spin_unlock(&max_stack_lock);
+	arch_spin_unlock(&max_stack_lock);
 	local_irq_restore(flags);
 }
 
@@ -171,9 +171,9 @@
 		return ret;
 
 	local_irq_save(flags);
-	__raw_spin_lock(&max_stack_lock);
+	arch_spin_lock(&max_stack_lock);
 	*ptr = val;
-	__raw_spin_unlock(&max_stack_lock);
+	arch_spin_unlock(&max_stack_lock);
 	local_irq_restore(flags);
 
 	return count;
@@ -207,7 +207,7 @@
 static void *t_start(struct seq_file *m, loff_t *pos)
 {
 	local_irq_disable();
-	__raw_spin_lock(&max_stack_lock);
+	arch_spin_lock(&max_stack_lock);
 
 	if (*pos == 0)
 		return SEQ_START_TOKEN;
@@ -217,7 +217,7 @@
 
 static void t_stop(struct seq_file *m, void *p)
 {
-	__raw_spin_unlock(&max_stack_lock);
+	arch_spin_unlock(&max_stack_lock);
 	local_irq_enable();
 }