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KVM: MMU: Implement nested gva_to_gpa functions

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This patch adds the functions to do a nested l2_gva to
l1_gpa page table walk.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Joerg Roedel
2010-09-10 17:30:50 +02:00
committed by Avi Kivity
parent 14dfe855f9
commit 6539e738f6
4 changed files with 54 additions and 0 deletions
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5
arch/x86/kvm/x86.h
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@@ -50,6 +50,11 @@ static inline int is_long_mode(struct kvm_vcpu *vcpu)
#endif
}
static inline bool mmu_is_nested(struct kvm_vcpu *vcpu)
{
return vcpu->arch.walk_mmu == &vcpu->arch.nested_mmu;
}
static inline int is_pae(struct kvm_vcpu *vcpu)
{
return kvm_read_cr4_bits(vcpu, X86_CR4_PAE);