On Tue, Oct 11, 2016 at 10:32:13AM +0200, Mason wrote: > Hello, > > Compiling a 4.7 kernel with early_printk support, I get several > section mismatch warnings: > > WARNING: vmlinux.o(.text+0x2222c8): Section mismatch in reference from the function univ8250_console_setup() to the function .init.text:early_print() > The function univ8250_console_setup() references > the function __init early_print(). > This is often because univ8250_console_setup lacks a __init > annotation or the annotation of early_print is wrong. > > WARNING: vmlinux.o(.text+0x222b7c): Section mismatch in reference from the function serial8250_register_8250_port() to the function .init.text:early_print() > The function serial8250_register_8250_port() references > the function __init early_print(). > This is often because serial8250_register_8250_port lacks a __init > annotation or the annotation of early_print is wrong. > > WARNING: vmlinux.o(.text+0x222cbc): Section mismatch in reference from the function serial8250_unregister_port() to the function .init.text:early_print() > The function serial8250_unregister_port() references > the function __init early_print(). > This is often because serial8250_unregister_port lacks a __init > annotation or the annotation of early_print is wrong. > > WARNING: vmlinux.o(.text+0x222d84): Section mismatch in reference from the function serial8250_probe() to the function .init.text:early_print() > The function serial8250_probe() references > the function __init early_print(). > This is often because serial8250_probe lacks a __init > annotation or the annotation of early_print is wrong. > > WARNING: vmlinux.o(.text+0x22446c): Section mismatch in reference from the function set_io_from_upio() to the function .init.text:early_print() > The function set_io_from_upio() references > the function __init early_print(). > This is often because set_io_from_upio lacks a __init > annotation or the annotation of early_print is wrong. > > I'm not sure if these warnings are expected. > Can they be safely ignored? They should be fixed, can you provide the .config file that you used to generate these messages? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html