diff options
| -rw-r--r-- | drivers/iommu/iova.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index b0ca23682008..3aee64b99df1 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -704,6 +704,9 @@ copy_reserved_iova(struct iova_domain *from, struct iova_domain *to) struct iova *iova = rb_entry(node, struct iova, node); struct iova *new_iova; + if (iova->pfn_lo == IOVA_ANCHOR) + continue; + new_iova = reserve_iova(to, iova->pfn_lo, iova->pfn_hi); if (!new_iova) printk(KERN_ERR "Reserve iova range %lx@%lx failed\n", |