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iova: Delete copy_reserved_iova()
Since commit c588072bba
("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>
This commit is contained in:
parent
9cc0aaeb96
commit
6221061901
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@ -710,36 +710,6 @@ finish:
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}
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EXPORT_SYMBOL_GPL(reserve_iova);
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/**
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* copy_reserved_iova - copies the reserved between domains
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* @from: - source domain from where to copy
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* @to: - destination domin where to copy
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* This function copies reserved iova's from one domain to
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* other.
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*/
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void
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copy_reserved_iova(struct iova_domain *from, struct iova_domain *to)
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{
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unsigned long flags;
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struct rb_node *node;
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spin_lock_irqsave(&from->iova_rbtree_lock, flags);
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for (node = rb_first(&from->rbroot); node; node = rb_next(node)) {
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struct iova *iova = rb_entry(node, struct iova, node);
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struct iova *new_iova;
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if (iova->pfn_lo == IOVA_ANCHOR)
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continue;
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new_iova = reserve_iova(to, iova->pfn_lo, iova->pfn_hi);
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if (!new_iova)
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pr_err("Reserve iova range %lx@%lx failed\n",
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iova->pfn_lo, iova->pfn_lo);
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}
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spin_unlock_irqrestore(&from->iova_rbtree_lock, flags);
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}
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EXPORT_SYMBOL_GPL(copy_reserved_iova);
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/*
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* Magazine caches for IOVA ranges. For an introduction to magazines,
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* see the USENIX 2001 paper "Magazines and Vmem: Extending the Slab
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@ -150,7 +150,6 @@ unsigned long alloc_iova_fast(struct iova_domain *iovad, unsigned long size,
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unsigned long limit_pfn, bool flush_rcache);
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struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo,
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unsigned long pfn_hi);
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void copy_reserved_iova(struct iova_domain *from, struct iova_domain *to);
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void init_iova_domain(struct iova_domain *iovad, unsigned long granule,
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unsigned long start_pfn);
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int init_iova_flush_queue(struct iova_domain *iovad,
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@ -211,11 +210,6 @@ static inline struct iova *reserve_iova(struct iova_domain *iovad,
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return NULL;
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}
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static inline void copy_reserved_iova(struct iova_domain *from,
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struct iova_domain *to)
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{
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}
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static inline void init_iova_domain(struct iova_domain *iovad,
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unsigned long granule,
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unsigned long start_pfn)
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