1 files changed, 2 insertions, 5 deletions

diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index 089c3746358a..ecf765c6a77a 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -42,6 +42,7 @@ static void init_copy_one_irq_desc(int irq, struct irq_desc *old_desc,
                  struct irq_desc *desc, int cpu)
 {
         memcpy(desc, old_desc, sizeof(struct irq_desc));
+        spin_lock_init(&desc->lock);
         desc->cpu = cpu;
         lockdep_set_class(&desc->lock, &irq_desc_lock_class);
         init_copy_kstat_irqs(old_desc, desc, cpu, nr_cpu_ids);
@@ -74,10 +75,8 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
 
         node = cpu_to_node(cpu);
         desc = kzalloc_node(sizeof(*desc), GFP_ATOMIC, node);
-        printk(KERN_DEBUG "  move irq_desc for %d to cpu %d node %d\n",
-                 irq, cpu, node);
         if (!desc) {
-                printk(KERN_ERR "can not get new irq_desc for moving\n");
+                printk(KERN_ERR "irq %d: can not get new irq_desc for migration.\n", irq);
                 /* still use old one */
                 desc = old_desc;
                 goto out_unlock;
@@ -106,8 +105,6 @@ struct irq_desc *move_irq_desc(struct irq_desc *desc, int cpu)
                 return desc;
 
         old_cpu = desc->cpu;
-        printk(KERN_DEBUG
-                 "try to move irq_desc from cpu %d to %d\n", old_cpu, cpu);
         if (old_cpu != cpu) {
                 node = cpu_to_node(cpu);
                 old_node = cpu_to_node(old_cpu);