diff options
| -rw-r--r-- | arch/x86/kvm/mmu.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 7f5a82b..420a5ca 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -4024,10 +4024,12 @@ static void init_kvm_nested_mmu(struct kvm_vcpu *vcpu) g_context->inject_page_fault = kvm_inject_page_fault; /* - * Note that arch.mmu.gva_to_gpa translates l2_gva to l1_gpa. The - * translation of l2_gpa to l1_gpa addresses is done using the - * arch.nested_mmu.gva_to_gpa function. Basically the gva_to_gpa - * functions between mmu and nested_mmu are swapped. + * Note that arch.mmu.gva_to_gpa translates l2_gpa to l1_gpa using + * L1's nested page tables (e.g. EPT12). The nested translation + * of l2_gva to l1_gpa is done by arch.nested_mmu.gva_to_gpa using + * L2's page tables as the first level of translation and L1's + * nested page tables as the second level of translation. Basically + * the gva_to_gpa functions between mmu and nested_mmu are swapped. */ if (!is_paging(vcpu)) { g_context->nx = false; |