This triggers on a MacBook Pro.
 
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
https://bugzilla.redhat.com/show_bug.cgi?id=948262
---
 drivers/iommu/intel_irq_remapping.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index f3b8f23..a7e0ad1 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -654,8 +654,7 @@ error:
 	 */
 
 	if (x2apic_present)
-		WARN(1, KERN_WARNING
-			"Failed to enable irq remapping.  You are vulnerable to irq-injection attacks.\n");
+		pr_warn("Failed to enable irq remapping.  You are vulnerable to irq-injection attacks.\n");
 
 	return -1;
 }
-- 
1.8.1.4