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SubjectRe: inserting a Forth-like language into the Linux kernel
On Sat, 05 May 2001, Rick Hohensee wrote:
>kspamd/H3sm is now making continuous writes to tty1 from an
>in-kernel thread. It was locking on a write to /dev/console by
>init, so I made /dev/console a plain file. This is after
>hollowing out sys_syslog to be a null routine, and various
>other minor destruction.
>I am now typing at you on tty4 or so while the kernel itself
>sends an endless stream of d's to tty1. It will scroll-lock
>and un-scroll-lock, which is how I can tell it's not just a
>static screen of d's.
>I don't know about H1 S&M, but the ability to open a tty
>normally directly into kernelspace may prove popular, particularly
>with a Forth on that tty in that kernelspace. Persons with actual
>kernel clue may want to look at allowing /dev/console users and
>an in-kernel tty user to play nice. For my purposes I'll do without
>a real /dev/console and syslogging for now.
>Now I get to find out how many worlds of trouble I didn't foresee
>in _reading_ a tty from the kernel :o)
>If someone knows of another example of interpreter-like behavior
>directly in a unix in-kernel thread I'd like to know about it.

Only in reference to allowing for virus infection of the kernel.

It isn't a good idea.

Jesse I Pollard, II

Any opinions expressed are solely my own.
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