tree 6136ded0706be0d39a09a0a912e8f79a4ab63322
parent dc7d552705215ac50a0617fcf51bb9c736255b8e
author Jason Wessel <jason.wessel@windriver.com> 1208455537 +0200
committer Ingo Molnar <mingo@elte.hu> 1208455537 +0200

consoles: polling support, kgdboc

polled console handling support, to access a console in an irq-less
way while in debug or irq context.

absolutely zero impact as long as CONFIG_CONSOLE_POLL is disabled.
(which is the default)

[ jan.kiszka@siemens.com: lots of cleanups ]
[ mingo@elte.hu: redesign, splitups, cleanups. ]

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>