kvm_reg_mode_mask
return kvm_register_read_raw(vcpu, reg) & kvm_reg_mode_mask(vcpu);
return kvm_register_write_raw(vcpu, reg, val & kvm_reg_mode_mask(vcpu));
return vcpu->arch.regs[VCPU_REGS_##uname] & kvm_reg_mode_mask(vcpu); \