diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/iova.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index 5f2caa95c1f0..9b114cd886d5 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -710,36 +710,6 @@ finish: } EXPORT_SYMBOL_GPL(reserve_iova); -/** - * copy_reserved_iova - copies the reserved between domains - * @from: - source domain from where to copy - * @to: - destination domin where to copy - * This function copies reserved iova's from one domain to - * other. - */ -void -copy_reserved_iova(struct iova_domain *from, struct iova_domain *to) -{ - unsigned long flags; - struct rb_node *node; - - spin_lock_irqsave(&from->iova_rbtree_lock, flags); - for (node = rb_first(&from->rbroot); node; node = rb_next(node)) { - 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) - pr_err("Reserve iova range %lx@%lx failed\n", - iova->pfn_lo, iova->pfn_lo); - } - spin_unlock_irqrestore(&from->iova_rbtree_lock, flags); -} -EXPORT_SYMBOL_GPL(copy_reserved_iova); - /* * Magazine caches for IOVA ranges. For an introduction to magazines, * see the USENIX 2001 paper "Magazines and Vmem: Extending the Slab |