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path: root/drivers/iommu/intel-iommu.c
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Diffstat (limited to 'drivers/iommu/intel-iommu.c')
-rw-r--r--drivers/iommu/intel-iommu.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 6a01735..ab99fcf 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1680,6 +1680,11 @@ static void free_dmar_iommu(struct intel_iommu *iommu)
/* free context mapping */
free_context_table(iommu);
+
+#ifdef CONFIG_INTEL_IOMMU_SVM
+ if (pasid_enabled(iommu))
+ intel_svm_free_pasid_tables(iommu);
+#endif
}
static struct dmar_domain *alloc_domain(int flags)
@@ -3107,6 +3112,10 @@ static int __init init_dmars(void)
if (!ecap_pass_through(iommu->ecap))
hw_pass_through = 0;
+#ifdef CONFIG_INTEL_IOMMU_SVM
+ if (pasid_enabled(iommu))
+ intel_svm_alloc_pasid_tables(iommu);
+#endif
}
if (iommu_pass_through)
@@ -4122,6 +4131,11 @@ static int intel_iommu_add(struct dmar_drhd_unit *dmaru)
if (ret)
goto out;
+#ifdef CONFIG_INTEL_IOMMU_SVM
+ if (pasid_enabled(iommu))
+ intel_svm_alloc_pasid_tables(iommu);
+#endif
+
if (dmaru->ignored) {
/*
* we always have to disable PMRs or DMA may fail on this device
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