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-rw-r--r--drivers/iommu/intel-iommu.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 0f258f0f5ac0..d55ef9df0879 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4273,11 +4273,9 @@ static int device_notifier(struct notifier_block *nb,
if (!domain)
return 0;
- down_read(&dmar_global_lock);
dmar_remove_one_dev_info(domain, dev);
if (!domain_type_is_vm_or_si(domain) && list_empty(&domain->devices))
domain_exit(domain);
- up_read(&dmar_global_lock);
return 0;
}