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[Xen-users] PCI Passthrough without VT-d

  • To: "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: Jan Češčut <Jan.Cescut@xxxxxx>
  • Date: Fri, 26 Feb 2010 23:29:22 +0100
  • Accept-language: sl-SI
  • Acceptlanguage: sl-SI
  • Delivery-date: Fri, 26 Feb 2010 14:30:56 -0800
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: Acq3MyUDb+OGShtJQ9W/+KQMJHXIMQ==
  • Thread-topic: PCI Passthrough without VT-d

As I read XEN supports assigning a pci device to an unprivileged domain without hardware supporting it. Has anyone already tried it? Are there any security risks? If I understand correctly how PCI passthrough works the performance should be the same as using the pci device in native mode. Is it so? I have a PCI video card which would like to use inside a VM running Windows XP.

 

Thanks and have a nice day,

Jan

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