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-rw-r--r--drivers/iommu/intel-svm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index 43280ca282df..ed1cf7c5a43b 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -458,6 +458,8 @@ int intel_svm_unbind_mm(struct device *dev, int pasid)
kfree_rcu(sdev, rcu);
if (list_empty(&svm->devs)) {
+ svm->iommu->pasid_table[svm->pasid].val = 0;
+ wmb();
idr_remove(&svm->iommu->pasid_idr, svm->pasid);
if (svm->mm)