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>
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 3238e08..4ef0fb4 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -496,6 +496,7 @@
match->assigned_dev_id = assigned_dev->assigned_dev_id;
match->host_busnr = assigned_dev->busnr;
match->host_devfn = assigned_dev->devfn;
+ match->flags = assigned_dev->flags;
match->dev = dev;
match->irq_source_id = -1;
match->kvm = kvm;
diff --git a/virt/kvm/vtd.c b/virt/kvm/vtd.c
index 174ea1f..d46de9a 100644
--- a/virt/kvm/vtd.c
+++ b/virt/kvm/vtd.c
@@ -205,22 +205,12 @@
int kvm_iommu_unmap_guest(struct kvm *kvm)
{
- struct kvm_assigned_dev_kernel *entry;
struct dmar_domain *domain = kvm->arch.intel_iommu_domain;
/* check if iommu exists and in use */
if (!domain)
return 0;
- list_for_each_entry(entry, &kvm->arch.assigned_dev_head, list) {
- printk(KERN_DEBUG "VT-d unmap: host bdf = %x:%x:%x\n",
- entry->host_busnr,
- PCI_SLOT(entry->host_devfn),
- PCI_FUNC(entry->host_devfn));
-
- /* detach kvm dmar domain */
- intel_iommu_detach_device(domain, entry->dev);
- }
kvm_iommu_unmap_memslots(kvm);
intel_iommu_free_domain(domain);
return 0;
