Hello, When I want to call "rt_intr_create(&intr_timer,"MyIrq",irq,I_NOAUTOENA)" function it returns  -ENOSYS.CONFIG_XENO_OPT_NATIVE_INTR is off in default.I want to make it on.How can I do it?Which files and directories should  I look for?Any help will be greatly appreciated. egemen.