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RE: [Xen-devel] [PATCH 4/5] VT-d support for PV guests

To: "Espen Skoglund" <espen.skoglund@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
From: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
Date: Mon, 19 May 2008 15:07:11 -0700
Cc: "Han, Weidong" <weidong.han@xxxxxxxxx>
Delivery-date: Mon, 19 May 2008 15:07:37 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: Aci574MbiZxK8ElSTputp3FmYtuXPQADLAyQ
Thread-topic: [Xen-devel] [PATCH 4/5] VT-d support for PV guests

-    if ( iommu_enabled && is_hvm_domain(d) )
+    if ( iommu_enabled && (is_hvm_domain(d) || need_iommu(d)) )


I thought PV guests don't have p2m page table.  Why do you need to
modify set_p2m_entry() for VT-d PV guest support?

Allen

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