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authorWeidong Han <weidong.han@intel.com>2008-12-08 10:29:53 -0500
committerJoerg Roedel <joerg.roedel@amd.com>2009-01-03 08:10:08 -0500
commitb653574a7d14b663cc812cb20be6a114939ba186 (patch)
tree1fa1c833bacea5411e1c640180a00848552d7282 /virt
parent0a920356748df4fb06e86c21c23d2ed6d31d37ad (diff)
Deassign device in kvm_free_assgined_device
In kvm_iommu_unmap_memslots(), assigned_dev_head is already empty. Signed-off-by: Weidong Han <weidong.han@intel.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c1
-rw-r--r--virt/kvm/vtd.c10
2 files changed, 1 insertions, 10 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 3238e08e4651..4ef0fb43d1f9 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -496,6 +496,7 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
496 match->assigned_dev_id = assigned_dev->assigned_dev_id; 496 match->assigned_dev_id = assigned_dev->assigned_dev_id;
497 match->host_busnr = assigned_dev->busnr; 497 match->host_busnr = assigned_dev->busnr;
498 match->host_devfn = assigned_dev->devfn; 498 match->host_devfn = assigned_dev->devfn;
499 match->flags = assigned_dev->flags;
499 match->dev = dev; 500 match->dev = dev;
500 match->irq_source_id = -1; 501 match->irq_source_id = -1;
501 match->kvm = kvm; 502 match->kvm = kvm;
diff --git a/virt/kvm/vtd.c b/virt/kvm/vtd.c
index 174ea1f8cee5..d46de9af838b 100644
--- a/virt/kvm/vtd.c
+++ b/virt/kvm/vtd.c
@@ -205,22 +205,12 @@ static int kvm_iommu_unmap_memslots(struct kvm *kvm)
205 205
206int kvm_iommu_unmap_guest(struct kvm *kvm) 206int kvm_iommu_unmap_guest(struct kvm *kvm)
207{ 207{
208 struct kvm_assigned_dev_kernel *entry;
209 struct dmar_domain *domain = kvm->arch.intel_iommu_domain; 208 struct dmar_domain *domain = kvm->arch.intel_iommu_domain;
210 209
211 /* check if iommu exists and in use */ 210 /* check if iommu exists and in use */
212 if (!domain) 211 if (!domain)
213 return 0; 212 return 0;
214 213
215 list_for_each_entry(entry, &kvm->arch.assigned_dev_head, list) {
216 printk(KERN_DEBUG "VT-d unmap: host bdf = %x:%x:%x\n",
217 entry->host_busnr,
218 PCI_SLOT(entry->host_devfn),
219 PCI_FUNC(entry->host_devfn));
220
221 /* detach kvm dmar domain */
222 intel_iommu_detach_device(domain, entry->dev);
223 }
224 kvm_iommu_unmap_memslots(kvm); 214 kvm_iommu_unmap_memslots(kvm);
225 intel_iommu_free_domain(domain); 215 intel_iommu_free_domain(domain);
226 return 0; 216 return 0;