Il 11/09/2014 15:59, Gleb Natapov ha scritto: > > Suppose vmcs01->APIC_ACCESS_ADDR = 0xf000. During L2 entry > vmcs02->APIC_ACCESS_ADDR is set to 0xf000 too (by prepare_vmcs02). Now > 0xf000 is migrated to 0x8000, mmu notifier is called, it forces vmexit, > but vcpu is in a guest mode so vmcs02->APIC_ACCESS_ADDR is never updated > to 0x8000 because of "if (!is_guest_mode(vcpu))" check. So what am I > missing here? Right, guest mode isn't left as soon as you execute nested_vmx_vmexit, because this isn't an L2->L1 exit. So we need an "else" for that "if (!is_guest_mode(vcpu))", in which case the hpa is ignored and vmcs12->apic_access_addr is used instead? Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
