[Xen-changelog] [xen staging] x86/iommu: improve logging message

[patchbot@xxxxxxx]

commit 0aeacaa0c95beddbc054ef5a70845e3e4cf4f385
Author:     Roger Pau Monné <roger.pau@xxxxxxxxxx>
AuthorDate: Fri Sep 27 14:07:01 2019 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Sep 27 14:07:01 2019 +0200

    x86/iommu: improve logging message
    
    Switch to using pd and also print the pfn that failed.
    
    No functional change intended.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Release-acked-by: Juergen Gross <jgross@xxxxxxxx>
---
 xen/drivers/passthrough/x86/iommu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/drivers/passthrough/x86/iommu.c 
b/xen/drivers/passthrough/x86/iommu.c
index 47a3e55213..7107b11757 100644
--- a/xen/drivers/passthrough/x86/iommu.c
+++ b/xen/drivers/passthrough/x86/iommu.c
@@ -200,8 +200,8 @@ void __hwdom_init arch_iommu_hwdom_init(struct domain *d)
                            IOMMUF_readable | IOMMUF_writable, &flush_flags);
 
         if ( rc )
-            printk(XENLOG_WARNING " d%d: IOMMU mapping failed: %d\n",
-                   d->domain_id, rc);
+            printk(XENLOG_WARNING "%pd: identity %smapping of %lx failed: 
%d\n",
+                   d, !paging_mode_translate(d) ? "IOMMU " : "", pfn, rc);
 
         if (!(i & 0xfffff))
             process_pending_softirqs();
--
generated by git-patchbot for /home/xen/git/xen.git#staging

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