On Wednesday 21 October 2015 15:24:41 Peter Hurley wrote: > On 10/21/2015 03:00 PM, Arnd Bergmann wrote: > > Yes, I see this as a tradeoff: we want the console to be as early as > > possible in order to report boot-time errors to the user, but not so early > > to require hacks that can cause problems themselves. earlycon has to > > do some scary stuff and is relatively recent, while the hacks > > necessary for console_init() are much older and better tested. > > I assume you mean the hacks necessary to get _earlycon_ working at > console_init() time, because the hacks necessary to get non-8250 > serial consoles working at console_init() would be extensive and > brand new. > No, I was just being slow and assumed that the 51 drivers that come with a console_initcall() do something in there to actually start the console, but you are right that most of them don't actually do that. They just call register_console() and wait for the device to show up later. Arnd -- 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
