consoles: polling support, kgdboc

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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>

...

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Jason Wessel 2008-04-17 20:05:37 +02:00 • committed by Ingo Molnar

parent dc7d552705

commit f2d937f3bf

8 changed files with 357 additions and 3 deletions

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4

include/linux/serial_core.h

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12

include/linux/tty_driver.h

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