intel-iommu: Defer the iotlb flush and iova free for intel_unmap_sg() too.
I see no reason why we did this _only_ in intel_unmap_page(). Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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@ -2815,11 +2815,18 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
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/* free page tables */
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dma_pte_free_pagetable(domain, start_pfn, last_pfn);
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iommu_flush_iotlb_psi(iommu, domain->id, start_pfn,
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(last_pfn - start_pfn + 1));
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/* free iova */
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__free_iova(&domain->iovad, iova);
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if (intel_iommu_strict) {
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iommu_flush_iotlb_psi(iommu, domain->id, start_pfn,
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last_pfn - start_pfn + 1);
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/* free iova */
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__free_iova(&domain->iovad, iova);
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} else {
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add_unmap(domain, iova);
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/*
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* queue up the release of the unmap to save the 1/6th of the
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* cpu used up by the iotlb flush operation...
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*/
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}
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}
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static int intel_nontranslate_map_sg(struct device *hddev,
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