[Xen-devel] [PATCH] IOMMU: skip domains without page tables when dumping

["Jan Beulich" <JBeulich@xxxxxxxx>]

Reported-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/drivers/passthrough/iommu.c
+++ b/xen/drivers/passthrough/iommu.c
@@ -411,7 +411,7 @@ 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) )

Attachment: IOMMU-dont-dump-innocent.patch
Description: Text document

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