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add ttyprintk driver
Ttyprintk is a pseudo TTY driver, which allows users to make printk messages, via output to ttyprintk device. It is possible to store "console" messages inline with kernel messages for better analyses of the boot process, for example. Signed-off-by: Samo Pogacnik <[email protected]> Acked-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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@ -239,6 +239,7 @@ Your cooperation is appreciated.
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0 = /dev/tty Current TTY device
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1 = /dev/console System console
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2 = /dev/ptmx PTY master multiplex
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3 = /dev/ttyprintk User messages via printk TTY device
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64 = /dev/cua0 Callout device for ttyS0
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...
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255 = /dev/cua191 Callout device for ttyS191
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