Re: [PATCH tty-next v1 0/2] convert 8250 to nbcon

[John Ogness]

On 2024-09-05, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>> $  cat /proc/consoles
>> ttyS0                -W- (EC N  a)    4:64
>> 
>> The 'N' shows that it is an NBCON console.
>> 
>> There will also be a dedicated printing kthread. For example:
>> 
>> $ ps ax | grep pr/
>>    16 root       0:00 [pr/ttyS0]
>
> Wondering if this can use the DEVNAME instead of opaque (to some extent) ttySx?
> Or is it using the same what has been passed to the console= kernel command line
> parameter?

fs/proc/consoles.c:show_console_dev() is just using:

"%s%d", con->name, con->index

The same goes for drivers/tty/tty_io.c:show_cons_active(), which is
responsible for the contents of:

/sys/devices/virtual/tty/console/active

John Ogness