KVM: MMU: Introduce get_cr3 function pointer

This function pointer in the MMU context is required to
implement Nested Nested Paging.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index e4ad3dc84df3..13d0c06b1bc8 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -130,7 +130,7 @@ walk:
         present = true;
         eperm = rsvd_fault = false;
         walker->level = vcpu->arch.mmu.root_level;
-        pte = vcpu->arch.cr3;
+        pte = vcpu->arch.mmu.get_cr3(vcpu);
 #if PTTYPE == 64
         if (vcpu->arch.mmu.root_level == PT32E_ROOT_LEVEL) {
                 pte = kvm_pdptr_read(vcpu, (addr >> 30) & 3);
@@ -143,7 +143,7 @@ walk:
         }
 #endif
         ASSERT((!is_long_mode(vcpu) && is_pae(vcpu)) ||
-               (vcpu->arch.cr3 & CR3_NONPAE_RESERVED_BITS) == 0);
+               (vcpu->arch.mmu.get_cr3(vcpu) & CR3_NONPAE_RESERVED_BITS) == 0);
 
         pt_access = ACC_ALL;