iommu/vt-d: Report more information about invalidation errors

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When the invalidation queue errors are encountered, dump the information
logged by the VT-d hardware together with the pending queue invalidation
descriptors.

Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Tested-by: Guo Kaijie <Kaijie.Guo@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210318005340.187311-1-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Lu Baolu 2021-03-18 08:53:40 +08:00 • committed by Joerg Roedel

parent dec991e472

commit 6ca69e5841

2 changed files with 70 additions and 4 deletions

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68

drivers/iommu/intel/dmar.c

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6

include/linux/intel-iommu.h

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