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[Xen-devel] Re: [VTD] prevent dom0 from using vt-d hw



Kay, Allen M wrote:
> This patch ensures xen vmm has exclusive access of vt-d hw by zaping
> vt-d "DMAR" ACPI table signature after xen has finished using it.

+    /* Zap APCI DMAR signature to prevent dom0 using vt-d HW. */

"ACPI", I think you mean.

Regards -- Andy


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