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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>
This commit is contained in:
Shaokun Zhang 2018-03-22 18:18:06 +08:00 committed by Joerg Roedel
parent 971401015d
commit f746a025d3
1 changed files with 1 additions and 5 deletions
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6
drivers/iommu/intel-iommu.c
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@ -5072,7 +5072,6 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain,
{
struct dmar_domain *dmar_domain = to_dmar_domain(domain);
struct page *freelist = NULL;
struct intel_iommu *iommu;
unsigned long start_pfn, last_pfn;
unsigned int npages;
int iommu_id, level = 0;
@ -5091,12 +5090,9 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain,
npages = last_pfn - start_pfn + 1;
for_each_domain_iommu(iommu_id, dmar_domain) {
iommu = g_iommus[iommu_id];
for_each_domain_iommu(iommu_id, dmar_domain)
iommu_flush_iotlb_psi(g_iommus[iommu_id], dmar_domain,
start_pfn, npages, !freelist, 0);
}
dma_free_pagelist(freelist);