Re: inserting a Forth-like language into the Linux kernel

[Jesse Pollard <jesse@cats-chateau.net>]

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
Email: jesse@cats-chateau.net

Any opinions expressed are solely my own.