diff options
Diffstat (limited to 'kernel/drivers/iommu')
| -rw-r--r-- | kernel/drivers/iommu/intel-iommu.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/drivers/iommu/intel-iommu.c b/kernel/drivers/iommu/intel-iommu.c index 5ecfaf299..c87c4b1bf 100644 --- a/kernel/drivers/iommu/intel-iommu.c +++ b/kernel/drivers/iommu/intel-iommu.c @@ -1756,8 +1756,9 @@ static int domain_init(struct dmar_domain *domain, int guest_width) static void domain_exit(struct dmar_domain *domain) { + struct dmar_drhd_unit *drhd; + struct intel_iommu *iommu; struct page *freelist = NULL; - int i; /* Domain 0 is reserved, so dont process it */ if (!domain) @@ -1777,8 +1778,10 @@ static void domain_exit(struct dmar_domain *domain) /* clear attached or cached domains */ rcu_read_lock(); - for_each_set_bit(i, domain->iommu_bmp, g_num_of_iommus) - iommu_detach_domain(domain, g_iommus[i]); + for_each_active_iommu(iommu, drhd) + if (domain_type_is_vm(domain) || + test_bit(iommu->seq_id, domain->iommu_bmp)) + iommu_detach_domain(domain, iommu); rcu_read_unlock(); dma_free_pagelist(freelist); |