* Add config option EARLY_SERIAL_CONSOLE to enable early printk's to be directed to the serial console. Based on linux-next Signed-off-by: Mike Travis --- --- arch/x86/Kconfig.debug | 9 +++++++++ arch/x86/kernel/early_printk.c | 4 ++++ 2 files changed, 13 insertions(+) --- linux-2.6-next.orig/arch/x86/Kconfig.debug +++ linux-2.6-next/arch/x86/Kconfig.debug @@ -29,6 +29,15 @@ config EARLY_PRINTK with klogd/syslogd or the X server. You should normally N here, unless you want to debug such a crash. +config EARLY_SERIAL_CONSOLE + bool "Early Serial Console" + default m + help + Initializes the early console to be the serial port. The default + is to use the VGA console. + + This is useful for server systems that do not have a VGA console. + config DEBUG_STACKOVERFLOW bool "Check for stack overflows" depends on DEBUG_KERNEL --- linux-2.6-next.orig/arch/x86/kernel/early_printk.c +++ linux-2.6-next/arch/x86/kernel/early_printk.c @@ -193,7 +193,11 @@ static struct console simnow_console = { }; /* Direct interface for emergencies */ +#ifdef CONFIG_EARLY_SERIAL_CONSOLE +static struct console *early_console = &early_serial_console; +#else static struct console *early_console = &early_vga_console; +#endif static int early_console_initialized; void early_printk(const char *fmt, ...) -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/