Re: GGI, EGCS/PGCC, Kernel source

Kai Henningsen (
27 Feb 1998 20:55:00 +0200

tytso@MIT.EDU (Theodore Y. Ts'o) wrote on 27.02.98 in <199802270733.CAA03632@dcl.MIT.EDU>:

> Date: Thu, 26 Feb 1998 22:58:09 -0800
> From: Michael Schmitz <>
> I hate to defend the GGI people here :-) but I think there was no mention
> of routing all tty IO through EvStack, ever. Only serial lines that are
> somehow (?) dedicated as keyboard input devices feed into EvStack and
> bypass the tty line
> disc. layer directly.
> On the Linux kernel list, people were specifically talking about
> supporting *serial* terminals that sent PC keycodes, and in the message
> which I quoted, there was discussion of running "ALL tty lines" into
> EvStack.

Not true. It was talking about allowing "ALL tty lines" to "hook into"
EvStack. There's an important difference.

> >I originally architected the tty layers so that you could support
> >*multiple* serial ports doing 115 kbuad kermit transfers on a 386
> >running at 40MHz. It would be shame to change Linux so that it requires
> >a Pentium II to accomplish the same feat.....
> No one suggested that :-) In fact, what would be the point of
> filtering kermit data through the keyboard map??
> Apparently so you could support serial terminals that emit PC keyboard
> codes..... (I didn't say it was a good reason, mind you!)

Well, if you choose to misinterpret it, it sure sounds funny.

MfG Kai

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