iommu/amd: Remove queue_release() function
We can use queue_ring_free_flushed() instead, so remove this redundancy. Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -1859,21 +1859,6 @@ static inline bool queue_ring_full(struct flush_queue *queue)
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#define queue_ring_for_each(i, q) \
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for (i = (q)->head; i != (q)->tail; i = (i + 1) % FLUSH_QUEUE_SIZE)
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static void queue_release(struct dma_ops_domain *dom,
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struct flush_queue *queue)
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{
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unsigned i;
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assert_spin_locked(&queue->lock);
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queue_ring_for_each(i, queue)
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free_iova_fast(&dom->iovad,
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queue->entries[i].iova_pfn,
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queue->entries[i].pages);
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queue->head = queue->tail = 0;
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}
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static inline unsigned queue_ring_add(struct flush_queue *queue)
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{
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unsigned idx = queue->tail;
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@ -1925,12 +1910,15 @@ static void queue_add(struct dma_ops_domain *dom,
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queue = get_cpu_ptr(dom->flush_queue);
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spin_lock_irqsave(&queue->lock, flags);
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queue_ring_free_flushed(dom, queue);
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if (queue_ring_full(queue)) {
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/*
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* When ring-queue is full, flush the entries from the IOTLB so
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* that we can free all entries with queue_ring_free_flushed()
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* below.
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*/
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if (queue_ring_full(queue))
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dma_ops_domain_flush_tlb(dom);
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queue_release(dom, queue);
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}
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queue_ring_free_flushed(dom, queue);
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idx = queue_ring_add(queue);
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