From: Sheng Yang <sheng.yang@intel.com>
Date: Fri, 25 Apr 2008 13:44:42 +0000 (+0800)
Subject: KVM: MMU: Remove #ifdef CONFIG_X86_64 to support 4 level EPT
X-Git-Tag: v2.6.26-rc2~80^2~12
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=1ac593c97eb229da44819f66fea47975537c1177;p=linux-2.6-omap-h63xx.git

KVM: MMU: Remove #ifdef CONFIG_X86_64 to support 4 level EPT

Currently EPT level is 4 for both pae and x86_64. The patch remove the #ifdef
for alloc root_hpa and free root_hpa to support EPT.

Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index c28a36b4cbb..3dbedf16973 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1233,7 +1233,6 @@ static void mmu_free_roots(struct kvm_vcpu *vcpu)
 	if (!VALID_PAGE(vcpu->arch.mmu.root_hpa))
 		return;
 	spin_lock(&vcpu->kvm->mmu_lock);
-#ifdef CONFIG_X86_64
 	if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_LEVEL) {
 		hpa_t root = vcpu->arch.mmu.root_hpa;
 
@@ -1245,7 +1244,6 @@ static void mmu_free_roots(struct kvm_vcpu *vcpu)
 		spin_unlock(&vcpu->kvm->mmu_lock);
 		return;
 	}
-#endif
 	for (i = 0; i < 4; ++i) {
 		hpa_t root = vcpu->arch.mmu.pae_root[i];
 
@@ -1271,7 +1269,6 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
 
 	root_gfn = vcpu->arch.cr3 >> PAGE_SHIFT;
 
-#ifdef CONFIG_X86_64
 	if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_LEVEL) {
 		hpa_t root = vcpu->arch.mmu.root_hpa;
 
@@ -1286,7 +1283,6 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
 		vcpu->arch.mmu.root_hpa = root;
 		return;
 	}
-#endif
 	metaphysical = !is_paging(vcpu);
 	if (tdp_enabled)
 		metaphysical = 1;