Re: Opinions on removing /proc/tty?

["Antonino A. Daplas" <adaplas@gmail.com>]

Jon Smirl wrote:
> On 7/9/06, Randy.Dunlap <rdunlap@xenotime.net> wrote:
>> On Sat, 8 Jul 2006 01:56:02 -0400 Jon Smirl wrote:
>>
>> > On 7/8/06, Randy.Dunlap <rdunlap@xenotime.net> wrote:
>> > > I don't know how well this is an answer to your question,
>> > > but I would like to be able to find a list of registered "consoles,"
>> > > whether they be serial, usbserial, netconsole, lp, or whatever.
>> > > /proc/tty/drivers does that partially.
>> >
>> > Console is an overloaded word. Do you want to know where it is legal
>> > to send system log output to, or do you want to know where you can log
>> > in from? There was a thread earlier that talked a little about
>> > controlling this.
>>
>> I have a working definition:
>> I want to see a list of drivers that have called register_console().
>>
>> > > I have a patch that also does it in /proc/consoles:
>> > >   http://www.xenotime.net/linux/patches/consoles-list.patch
>> > > Is somewhere in /sys the right place to find a list of all consoles?
>> >
>> > /sys is the right place for this info but a class does not exist for
>> it yet.
>>
>> I want a list of registered consoles.  How would I express that in /sys ?
> 
> You could make the list appear as an attribute in
> /sys/class/tty/console. You will need to all a little sysfs code after
> the console tty device is created.
> 

That would violate the one file, one value rule and GregKH will drop
it like a hot potato.

A better solution is to have /sys/class/console.

Tony