summaryrefslogtreecommitdiffstats
path: root/drivers/iommu
diff options
context:
space:
mode:
authorJohn Garry <john.garry@huawei.com>2021-01-06 14:35:07 +0100
committerJoerg Roedel <jroedel@suse.de>2021-01-27 12:27:36 +0100
commit622106190175dbac2b0b0ee7d4275c474e5fe051 (patch)
tree110be63682fc335b4dce6ac6e60d832fe355f4b5 /drivers/iommu
parentiova: Make has_iova_flush_queue() private (diff)
downloadlinux-622106190175dbac2b0b0ee7d4275c474e5fe051.tar.xz
linux-622106190175dbac2b0b0ee7d4275c474e5fe051.zip
iova: Delete copy_reserved_iova()
Since commit c588072bba6b ("iommu/vt-d: Convert intel iommu driver to the iommu ops"), function copy_reserved_iova() is not referenced, so delete it. Signed-off-by: John Garry <john.garry@huawei.com> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/1609940111-28563-3-git-send-email-john.garry@huawei.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/iova.c30
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