[PATCH] intel-iommu: Make "Unknown DMAR structure" message more informative

[Roland Dreier <rdreier@cisco.com>]

We might as well print the type of the DMAR structure we don't know how
to handle when skipping it.  Then someone getting this message has a
chance of telling whether the structure is just bogus, or if there
really is something valid that the kernel doesn't know how to handle.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/pci/dmar.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 14bbaa1..d199bca 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -461,7 +461,8 @@ parse_dmar_table(void)
 			break;
 		default:
 			printk(KERN_WARNING PREFIX
-				"Unknown DMAR structure type\n");
+				"Unknown DMAR structure type %d\n",
+				entry_header->type);
 			ret = 0; /* for forward compatibility */
 			break;
 		}