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path: root/drivers/pci/intel-iommu.c
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Diffstat (limited to 'drivers/pci/intel-iommu.c')
-rw-r--r--drivers/pci/intel-iommu.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 35463ddf10a1..292f2233295e 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3260,9 +3260,15 @@ static int device_notifier(struct notifier_block *nb,
3260 if (!domain) 3260 if (!domain)
3261 return 0; 3261 return 0;
3262 3262
3263 if (action == BUS_NOTIFY_UNBOUND_DRIVER && !iommu_pass_through) 3263 if (action == BUS_NOTIFY_UNBOUND_DRIVER && !iommu_pass_through) {
3264 domain_remove_one_dev_info(domain, pdev); 3264 domain_remove_one_dev_info(domain, pdev);
3265 3265
3266 if (!(domain->flags & DOMAIN_FLAG_VIRTUAL_MACHINE) &&
3267 !(domain->flags & DOMAIN_FLAG_STATIC_IDENTITY) &&
3268 list_empty(&domain->devices))
3269 domain_exit(domain);
3270 }
3271
3266 return 0; 3272 return 0;
3267} 3273}
3268 3274
@@ -3411,6 +3417,11 @@ static void domain_remove_one_dev_info(struct dmar_domain *domain,
3411 domain->iommu_count--; 3417 domain->iommu_count--;
3412 domain_update_iommu_cap(domain); 3418 domain_update_iommu_cap(domain);
3413 spin_unlock_irqrestore(&domain->iommu_lock, tmp_flags); 3419 spin_unlock_irqrestore(&domain->iommu_lock, tmp_flags);
3420
3421 spin_lock_irqsave(&iommu->lock, tmp_flags);
3422 clear_bit(domain->id, iommu->domain_ids);
3423 iommu->domains[domain->id] = NULL;
3424 spin_unlock_irqrestore(&iommu->lock, tmp_flags);
3414 } 3425 }
3415 3426
3416 spin_unlock_irqrestore(&device_domain_lock, flags); 3427 spin_unlock_irqrestore(&device_domain_lock, flags);