From: John Ogness <john.ogness@linutronix.de>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Jiri Slaby" <jirislaby@kernel.org>,
"Petr Mladek" <pmladek@suse.com>,
"Sergey Senozhatsky" <senozhatsky@chromium.org>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
"Tony Lindgren" <tony@atomide.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Serge Semin" <fancer.lancer@gmail.com>,
"Rengarajan S" <rengarajan.s@microchip.com>,
"Wolfram Sang" <wsa+renesas@sang-engineering.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Jeff Johnson" <quic_jjohnson@quicinc.com>,
"Lino Sanfilippo" <l.sanfilippo@kunbus.com>,
"Derek Barbosa" <debarbos@redhat.com>
Subject: Re: [PATCH tty-next v1 0/2] convert 8250 to nbcon
Date: Thu, 05 Sep 2024 16:11:24 +0206 [thread overview]
Message-ID: <87frqe2o2j.fsf@jogness.linutronix.de> (raw)
In-Reply-To: <Ztm36qPI7fVteSX_@smile.fi.intel.com>
On 2024-09-05, Andy Shevchenko <andriy.shevchenko@linux.intel.com> 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
next prev parent reply other threads:[~2024-09-05 14:05 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-05 13:47 [PATCH tty-next v1 0/2] convert 8250 to nbcon John Ogness
2024-09-05 13:47 ` [PATCH next v1 1/2] serial: 8250: Switch to nbcon console John Ogness
2024-09-05 14:15 ` Andy Shevchenko
2024-09-05 19:23 ` John Ogness
2024-09-05 19:30 ` Andy Shevchenko
2024-09-06 10:10 ` Greg Kroah-Hartman
2024-09-06 12:37 ` Petr Mladek
2024-09-06 13:35 ` John Ogness
2024-09-06 16:38 ` John Ogness
2024-09-07 20:39 ` Thomas Gleixner
2024-09-09 9:53 ` Andy Shevchenko
2024-09-09 12:13 ` Thomas Gleixner
2024-09-09 9:50 ` Andy Shevchenko
2024-09-05 13:47 ` [PATCH next v1 2/2] serial: 8250: Revert "drop lockdep annotation from serial8250_clear_IER()" John Ogness
2024-09-05 13:53 ` [PATCH tty-next v1 0/2] convert 8250 to nbcon Andy Shevchenko
2024-09-05 14:05 ` John Ogness [this message]
2024-09-05 14:09 ` Greg Kroah-Hartman
2024-09-05 14:12 ` John Ogness
2024-09-05 14:17 ` Andy Shevchenko
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