Il 14/04/2013 12:44, Jan Kiszka ha scritto: > + if (vmcs12->vm_entry_controls & VM_ENTRY_LOAD_IA32_EFER && > + (!kvm_valid_efer(vcpu, vmcs12->guest_ia32_efer) || > + !!(vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE) != > + !!(vmcs12->guest_ia32_efer & EFER_LMA) || > + (vmcs12->guest_cr0 & X86_CR0_PG && > + !!(vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE) != > + !!(vmcs12->guest_ia32_efer & EFER_LME)))) { > + nested_vmx_entry_failure(vcpu, vmcs12, > + EXIT_REASON_INVALID_STATE, ENTRY_FAIL_DEFAULT); > + return 1; > + } if (vmcs12->vm_entry_controls & VM_ENTRY_LOAD_IA32_EFER) { bool ia32e = (vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE) != 0; if (...) { } } Also please put parentheses around the & operator. The exit tests can similarly extract the host address space size bit to a bool. 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