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iommu/vt-d: Use pasid_pte_is_present() helper function
author
Liu Yi L
<yi.l.liu@intel.com>
Wed, 18 Aug 2021 13:48:51 +0000
(21:48 +0800)
committer
Joerg Roedel
<jroedel@suse.de>
Thu, 19 Aug 2021 08:41:08 +0000
(10:41 +0200)
Use the pasid_pte_is_present() helper for present bit check in the
intel_pasid_tear_down_entry().
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Link:
https://lore.kernel.org/r/20210817042425.1784279-1-yi.l.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link:
https://lore.kernel.org/r/20210818134852.1847070-9-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/intel/pasid.c
patch
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diff --git
a/drivers/iommu/intel/pasid.c
b/drivers/iommu/intel/pasid.c
index
c6cf44a
..
02e1049
100644
(file)
--- a/
drivers/iommu/intel/pasid.c
+++ b/
drivers/iommu/intel/pasid.c
@@
-517,7
+517,7
@@
void intel_pasid_tear_down_entry(struct intel_iommu *iommu, struct device *dev,
if (WARN_ON(!pte))
return;
- if (!
(pte->val[0] & PASID_PTE_PRESENT
))
+ if (!
pasid_pte_is_present(pte
))
return;
did = pasid_get_domain_id(pte);