From 74f4b5d3eb017e5ecee29025f1459336be0dc2b7 Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng@linux.intel.com>
Date: Wed, 21 Jan 2009 16:52:16 +0800
Subject: [PATCH] --- yaml --- r: 131371 b: refs/heads/master c:
 2aaf69dcee864f4fb6402638dd2f263324ac839f h: refs/heads/master i:   131369:
 51fce20a48858bca75c842270e1f6a8d81d0bad2   131367:
 fbf78e67e719ab565b2321cdcc51db4cb9eac9a9 v: v3

---
 [refs]                   | 2 +-
 trunk/arch/x86/kvm/mmu.c | 9 +++++++--
 trunk/arch/x86/kvm/vmx.c | 3 +--
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/[refs] b/[refs]
index 3f294e440124..740e56755dcf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: abe6655dd699069b53bcccbc65b2717f60203b12
+refs/heads/master: 2aaf69dcee864f4fb6402638dd2f263324ac839f
diff --git a/trunk/arch/x86/kvm/mmu.c b/trunk/arch/x86/kvm/mmu.c
index 83f11c7474a1..2d4477c71473 100644
--- a/trunk/arch/x86/kvm/mmu.c
+++ b/trunk/arch/x86/kvm/mmu.c
@@ -1698,8 +1698,13 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte,
 	if (largepage)
 		spte |= PT_PAGE_SIZE_MASK;
 	if (mt_mask) {
-		mt_mask = get_memory_type(vcpu, gfn) <<
-			  kvm_x86_ops->get_mt_mask_shift();
+		if (!kvm_is_mmio_pfn(pfn)) {
+			mt_mask = get_memory_type(vcpu, gfn) <<
+				kvm_x86_ops->get_mt_mask_shift();
+			mt_mask |= VMX_EPT_IGMT_BIT;
+		} else
+			mt_mask = MTRR_TYPE_UNCACHABLE <<
+				kvm_x86_ops->get_mt_mask_shift();
 		spte |= mt_mask;
 	}
 
diff --git a/trunk/arch/x86/kvm/vmx.c b/trunk/arch/x86/kvm/vmx.c
index 6259d7467648..07491c9c6ed0 100644
--- a/trunk/arch/x86/kvm/vmx.c
+++ b/trunk/arch/x86/kvm/vmx.c
@@ -3687,8 +3687,7 @@ static int __init vmx_init(void)
 	if (vm_need_ept()) {
 		bypass_guest_pf = 0;
 		kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK |
-			VMX_EPT_WRITABLE_MASK |
-			VMX_EPT_IGMT_BIT);
+			VMX_EPT_WRITABLE_MASK);
 		kvm_mmu_set_mask_ptes(0ull, 0ull, 0ull, 0ull,
 				VMX_EPT_EXECUTABLE_MASK,
 				VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT);