From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Albert Cahalan <acahalan@gmail.com>
Cc: ray-gmail@madrabbit.org, Jon Smirl <jonsmirl@gmail.com>,
Greg KH <greg@kroah.com>,
alan@lxorguk.ukuu.org.uk, efault@gmx.de,
linux-kernel@vger.kernel.org
Subject: Re: Opinions on removing /proc/tty?
Date: Sun, 9 Jul 2006 20:31:33 +0100 [thread overview]
Message-ID: <20060709193133.GA32457@flint.arm.linux.org.uk> (raw)
In-Reply-To: <787b0d920607091226sb1db56dg9c0267f6ae8e2dc7@mail.gmail.com>
On Sun, Jul 09, 2006 at 03:26:19PM -0400, Albert Cahalan wrote:
> There are 16 tty major numbers (as of the Linux 1.1 kernel,
> or thereabouts) with 256 minors each, and the names are 8
> characters long. That makes for a 32 KiB file; procps will
> verify the length. Major numbers are to be stored in the
> following order:
>
> 2,3,4,5,19,20,22,23,24,25,32,33,46,47,48,49
>
> The structure is thus like this:
>
> char psdevtab[16][256][8]
So it basically breaks on 2.x kernels because (eg) you don't include major
204 as a tty major. Plus, if you insist that there are only N tty major
numbers, you break as soon as another tty major gets added.
Try again.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2006-07-09 19:31 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-09 5:30 Opinions on removing /proc/tty? Albert Cahalan
2006-07-09 14:04 ` Jon Smirl
2006-07-09 16:23 ` Albert Cahalan
2006-07-09 17:00 ` Ray Lee
2006-07-09 17:08 ` Ray Lee
2006-07-09 19:26 ` Albert Cahalan
2006-07-09 19:31 ` Russell King [this message]
2006-07-09 19:57 ` Albert Cahalan
2006-07-10 14:02 ` Jan Engelhardt
2006-07-10 15:06 ` Albert Cahalan
2006-07-10 22:17 ` Jan Engelhardt
2006-07-11 1:07 ` Albert Cahalan
2006-07-11 1:48 ` H. Peter Anvin
-- strict thread matches above, loose matches on Subject: below --
2006-07-08 2:56 Jon Smirl
2006-07-08 5:30 ` Randy.Dunlap
[not found] ` <9e4733910607072256q65188526uc5cb706ec3ecbaee@mail.gmail.com>
2006-07-09 5:04 ` Randy.Dunlap
[not found] ` <9e4733910607082220v754a000ak7e75ae4042a5e595@mail.gmail.com>
2006-07-09 5:27 ` Randy.Dunlap
2006-07-09 10:07 ` Antonino A. Daplas
[not found] ` <9e4733910607090645l236f17f1sb9778f0fc6c6ca01@mail.gmail.com>
2006-07-09 17:35 ` Randy.Dunlap
2006-07-09 23:31 ` Antonino A. Daplas
[not found] ` <9e4733910607091744k273a7351l16abbcc6ff8c4bbd@mail.gmail.com>
2006-07-11 22:01 ` Greg KH
[not found] ` <9e4733910607111532s3fc2bb52q3f0247a9f2289d4e@mail.gmail.com>
2006-07-13 18:37 ` Greg KH
2006-07-08 7:40 ` Mike Galbraith
2006-07-08 14:12 ` Jon Smirl
2006-07-08 14:48 ` Alan Cox
2006-07-08 16:20 ` Jon Smirl
2006-07-08 17:20 ` Russell King
2006-07-11 22:03 ` Greg KH
2006-07-08 16:12 ` Greg KH
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