[Xen-changelog] [xen stable-4.4] IOMMU: skip domains without page tables when dumping

[patchbot@xxxxxxx]

commit 181ebad4a0e9f140054208b17e4936f85c4ee39c
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Sep 10 15:52:28 2015 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Sep 10 15:52:28 2015 +0200

    IOMMU: skip domains without page tables when dumping

    Reported-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Tested-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    master commit: 5f335544cf5b716b0af51223e33373c4a7d65e8c
    master date: 2015-08-27 17:40:38 +0200
---
 xen/drivers/passthrough/iommu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/xen/drivers/passthrough/iommu.c b/xen/drivers/passthrough/iommu.c
index c687c53..a4fccc5 100644
--- a/xen/drivers/passthrough/iommu.c
+++ b/xen/drivers/passthrough/iommu.c
@@ -817,7 +817,7 @@ static void iommu_dump_p2m_table(unsigned char key)
     ops = iommu_get_ops();
     for_each_domain(d)
     {
-        if ( !d->domain_id )
+        if ( !d->domain_id || need_iommu(d) <= 0 )
             continue;

         if ( iommu_use_hap_pt(d) )
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.4

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