AMD IOMMU WARN NONRT

diff -ur a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
@@ -1952,10 +1952,10 @@
     int ret;
 
     /*
-     * Must be called with IRQs disabled. Warn here to detect early
-     * when its not.
+     * Must be called with IRQs disabled on a non RT kernel. Warn here to
+     * detect early when its not.
      */
-    WARN_ON(!irqs_disabled());
+    WARN_ON_NONRT(!irqs_disabled());
 
     /* lock domain */
     spin_lock(&domain->lock);

@@ -2118,10 +2118,10 @@
     struct protection_domain *domain;
 
     /*
-     * Must be called with IRQs disabled. Warn here to detect early
-     * when its not.
+     * Must be called with IRQs disabled on a non RT kernel. Warn here to
+     * detect early when its not.
      */
-    WARN_ON(!irqs_disabled());
+    WARN_ON_NONRT(!irqs_disabled());
 
     if (WARN_ON(!dev_data->domain))
         return;