[21/29] KVM: MMU: Introduce kvm_pdptr_read_mmu

Commit Message

Joerg Roedel Sept. 10, 2010, 3:30 p.m. UTC

None

Patch

diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h
index a37abe2..975bb45 100644
--- a/arch/x86/kvm/kvm_cache_regs.h
+++ b/arch/x86/kvm/kvm_cache_regs.h
@@ -45,6 +45,13 @@  static inline u64 kvm_pdptr_read(struct kvm_vcpu *vcpu, int index)
 	return vcpu->arch.walk_mmu->pdptrs[index];
 }
 
+static inline u64 kvm_pdptr_read_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, int index)
+{
+	load_pdptrs(vcpu, mmu, mmu->get_cr3(vcpu));
+
+	return mmu->pdptrs[index];
+}
+
 static inline ulong kvm_read_cr0_bits(struct kvm_vcpu *vcpu, ulong mask)
 {
 	ulong tmask = mask & KVM_POSSIBLE_CR0_GUEST_BITS;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index a26f13b..a25173a 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2398,7 +2398,7 @@  static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
 
 		ASSERT(!VALID_PAGE(root));
 		if (vcpu->arch.mmu.root_level == PT32E_ROOT_LEVEL) {
-			pdptr = kvm_pdptr_read(vcpu, i);
+			pdptr = kvm_pdptr_read_mmu(vcpu, &vcpu->arch.mmu, i);
 			if (!is_present_gpte(pdptr)) {
 				vcpu->arch.mmu.pae_root[i] = 0;
 				continue;
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index f4e09d3..a28f09b 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -137,7 +137,7 @@  walk:
 
 #if PTTYPE == 64
 	if (walker->level == PT32E_ROOT_LEVEL) {
-		pte = kvm_pdptr_read(vcpu, (addr >> 30) & 3);
+		pte = kvm_pdptr_read_mmu(vcpu, mmu, (addr >> 30) & 3);
 		trace_kvm_mmu_paging_element(pte, walker->level);
 		if (!is_present_gpte(pte)) {
 			present = false;