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[Xen-changelog] [xen-3.2-testing] vtd: only use pass_thru for Domain0 (i

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Subject:	[Xen-changelog] [xen-3.2-testing] vtd: only use pass_thru for Domain0 (if HW supports it).
From:	"Xen patchbot-3.2-testing" <patchbot-3.2-testing@xxxxxxxxxxxxxxxxxxx>
Date:	Mon, 18 Aug 2008 08:00:38 -0700
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1219052785 -3600
# Node ID aa822ec641661c61727458b29cedd4e99dadad3e
# Parent  35812b94d74a9c480c177578a383eed572a21702
vtd: only use pass_thru for Domain0 (if HW supports it).

Signed-off-by: Dexuan Cui <dexuan.cui@xxxxxxxxx>
---
 xen/arch/x86/hvm/vmx/vtd/intel-iommu.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 35812b94d74a -r aa822ec64166 xen/arch/x86/hvm/vmx/vtd/intel-iommu.c
--- a/xen/arch/x86/hvm/vmx/vtd/intel-iommu.c    Thu Aug 14 10:21:30 2008 +0100
+++ b/xen/arch/x86/hvm/vmx/vtd/intel-iommu.c    Mon Aug 18 10:46:25 2008 +0100
@@ -1085,7 +1085,7 @@ static int domain_context_mapping_one(
 
     spin_lock_irqsave(&iommu->lock, flags);
 
-    if ( ecap_pass_thru(iommu->ecap) )
+    if ( ecap_pass_thru(iommu->ecap) && (domain->domain_id == 0) )
         context_set_translation_type(*context, CONTEXT_TT_PASS_THRU);
     else
     {

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