consoles: polling support, kgdboc
authorJason Wessel <jason.wessel@windriver.com>
Thu, 17 Apr 2008 18:05:37 +0000 (20:05 +0200)
committerIngo Molnar <mingo@elte.hu>
Thu, 17 Apr 2008 18:05:37 +0000 (20:05 +0200)
commitf2d937f3bf00665ccf048b3b6616ef95859b0945
tree6136ded0706be0d39a09a0a912e8f79a4ab63322
parentdc7d552705215ac50a0617fcf51bb9c736255b8e
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>
drivers/char/tty_io.c
drivers/serial/8250.c
drivers/serial/Kconfig
drivers/serial/Makefile
drivers/serial/kgdboc.c [new file with mode: 0644]
drivers/serial/serial_core.c
include/linux/serial_core.h
include/linux/tty_driver.h