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From: Andries.Brouwer@cwi.nl
To: tytso@mit.edu
Cc: linux-kernel@vger.kernel.org
Subject: TIOCTTYGSTRUCT
Date: Fri, 28 Mar 2003 16:49:46 +0100 (MET)	[thread overview]
Message-ID: <UTC200303281549.h2SFnkw05009.aeb@smtp.cwi.nl> (raw)

Hi Ted,

Would you mind if I removed TIOCTTYGSTRUCT?

I suppose you don't need it any longer, and otherwise
could easily add some debugging stuff again when needed.
This ioctl exports lots of kernel-internal stuff that
userspace has no business looking at.
The direct reason I ask is that it also exports a kdev_t,
and the meaning of that will change.

Andries

>From Changelog:
Sat Nov 26 11:59:24 1994  Theodore Y. Ts'o  (tytso@rt-11)

        * tty_io.c (tty_ioctl): Add support for the new ioctl
                TIOCTTYGSTRUCT, which allow a kernel debugging program
                direct read access to the tty and tty_driver structures.

             reply	other threads:[~2003-03-28 15:43 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-28 15:49 Andries.Brouwer [this message]
2003-03-31 21:27 ` TIOCTTYGSTRUCT Theodore Ts'o

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