Re: Opinions on removing /proc/tty?

[Jon Smirl]

On 7/8/06, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> Ar Sad, 2006-07-08 am 10:12 -0400, ysgrifennodd Jon Smirl:
> > > ps uses /proc/tty/drivers, so some coordination would be needed.
> >
> > Greg, I just looked at the source for ps and it has a bunch of fixed
> > code for turning major/minor into /dev/name.  Isn't that something
> > udevinfo should be doing? But looking at the help for udevinfo I don't
> > see any way to turn a major/minor into /dev/name. The altermative
> > seems to be search /dev looking for the right device node.
>
> ps has some historical baggage in this area that probably ought to go,
> but /proc/tty is used by various installers and management type apps so
> shouldn't be going anywhere in a hurry.
>
> Some of the stuff in there would be better in sysfs had sysfs been
> around at the time. Other stuff like firmware loading in the serial
> drivers would really benefit from a move to sysfs and hotplug events too

Then /proc/tty should take the same path as /proc/bus/usb. Make it
mountable and announce that it will disappear in two years.
Distributions will need to add a line to rc.sysinit like usb does, but
adding that line gives you a clue that /proc/tty is disappearing.

from rc.sysinit:
mount -n -t usbfs /proc/bus/usb /proc/bus/usb

I'll put together a patch making it mountable. Is there any specific
info that needs to be added to sysfs?

--
Jon Smirl
jonsmirl@xxxxxxxxx
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