iommu/vt-d:Remove unused variable
Unused after commit <42e8c186b595> ("iommu/vt-d: Simplify io/tlb flushing in intel_iommu_unmap"), cleanup it. Cc: David Woodhouse <dwmw2@infradead.org> Cc: Joerg Roedel <joro@8bytes.org> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -5072,7 +5072,6 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain,
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{
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{
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struct dmar_domain *dmar_domain = to_dmar_domain(domain);
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struct dmar_domain *dmar_domain = to_dmar_domain(domain);
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struct page *freelist = NULL;
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struct page *freelist = NULL;
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struct intel_iommu *iommu;
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unsigned long start_pfn, last_pfn;
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unsigned long start_pfn, last_pfn;
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unsigned int npages;
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unsigned int npages;
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int iommu_id, level = 0;
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int iommu_id, level = 0;
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@ -5091,12 +5090,9 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain,
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npages = last_pfn - start_pfn + 1;
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npages = last_pfn - start_pfn + 1;
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for_each_domain_iommu(iommu_id, dmar_domain) {
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for_each_domain_iommu(iommu_id, dmar_domain)
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iommu = g_iommus[iommu_id];
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iommu_flush_iotlb_psi(g_iommus[iommu_id], dmar_domain,
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iommu_flush_iotlb_psi(g_iommus[iommu_id], dmar_domain,
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start_pfn, npages, !freelist, 0);
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start_pfn, npages, !freelist, 0);
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}
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dma_free_pagelist(freelist);
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dma_free_pagelist(freelist);
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