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If PBA or other data structures reside in the same BAR with MSI-X, devicemodel could emulate them and make hypercall SET_MEMORY_REGION to setup EPT for vm0. Hypervisor can not intercept the whole range of this BAR, but only the minimum 4KB pages that cover the MSI-X Table. Tracked-On: #1568 Signed-off-by: Zide Chen <zide.chen@intel.com> Acked-by: Anthony Xu <anthony.xu@intel.com>