# Commit 5f335544cf5b716b0af51223e33373c4a7d65e8c
# Date 2015-08-27 17:40:38 +0200
# Author Jan Beulich <jbeulich@suse.com>
# Committer Jan Beulich <jbeulich@suse.com>
IOMMU: skip domains without page tables when dumping

Reported-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Tested-by: Roger Pau Monné <roger.pau@citrix.com>

--- a/xen/drivers/passthrough/iommu.c
+++ b/xen/drivers/passthrough/iommu.c
@@ -368,7 +368,7 @@ static void iommu_dump_p2m_table(unsigne
     ops = iommu_get_ops();
     for_each_domain(d)
     {
-        if ( is_hardware_domain(d) )
+        if ( is_hardware_domain(d) || need_iommu(d) <= 0 )
             continue;
 
         if ( iommu_use_hap_pt(d) )