diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a5aa957a69d5..57c115cb351b 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4834,7 +4834,7 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain, struct intel_iommu *iommu; unsigned long start_pfn, last_pfn; unsigned int npages; - int iommu_id, num, ndomains, level = 0; + int iommu_id, level = 0; /* Cope with horrid API which requires us to unmap more than the size argument if it happens to be a large-page mapping. */ @@ -4854,17 +4854,8 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain, for_each_domain_iommu(iommu_id, dmar_domain) { iommu = g_iommus[iommu_id]; - /* - * find bit position of dmar_domain - */ - ndomains = cap_ndoms(iommu->cap); - for_each_set_bit(num, iommu->domain_ids, ndomains) { - if (get_iommu_domain(iommu, num) == dmar_domain) - iommu_flush_iotlb_psi(iommu, dmar_domain, - start_pfn, npages, - !freelist, 0); - } - + iommu_flush_iotlb_psi(g_iommus[iommu_id], dmar_domain, + start_pfn, npages, !freelist, 0); } dma_free_pagelist(freelist); |