From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: John Ogness <john.ogness@linutronix.de>,
Petr Mladek <pmladek@suse.com>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Steven Rostedt <rostedt@goodmis.org>,
Linus Torvalds <torvalds@linuxfoundation.org>,
Peter Zijlstra <peterz@infradead.org>,
"Paul E. McKenney" <paulmck@kernel.org>,
Daniel Vetter <daniel@ffwll.ch>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Helge Deller <deller@gmx.de>,
Jason Wessel <jason.wessel@windriver.com>,
Daniel Thompson <daniel.thompson@linaro.org>
Subject: [patch RFC 03/29] printk: Remove write only variable nr_ext_console_drivers
Date: Sun, 11 Sep 2022 00:27:36 +0200 (CEST) [thread overview]
Message-ID: <20220910222300.524466942@linutronix.de> (raw)
In-Reply-To: <20220910221947.171557773@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/printk/printk.c | 9 ---------
1 file changed, 9 deletions(-)
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -220,9 +220,6 @@ int devkmsg_sysctl_set_loglvl(struct ctl
}
#endif /* CONFIG_PRINTK && CONFIG_SYSCTL */
-/* Number of registered extended console drivers. */
-static int nr_ext_console_drivers;
-
/*
* Helper macros to handle lockdep when locking/unlocking console_sem. We use
* macros instead of functions so that _RET_IP_ contains useful information.
@@ -3188,9 +3185,6 @@ void register_console(struct console *ne
console_drivers->next = newcon;
}
- if (newcon->flags & CON_EXTENDED)
- nr_ext_console_drivers++;
-
newcon->dropped = 0;
if (newcon->flags & CON_PRINTBUFFER) {
/* Get a consistent copy of @syslog_seq. */
@@ -3256,9 +3250,6 @@ int unregister_console(struct console *c
if (res)
goto out_disable_unlock;
- if (console->flags & CON_EXTENDED)
- nr_ext_console_drivers--;
-
/*
* If this isn't the last console and it has CON_CONSDEV set, we
* need to set it on the next preferred console.
next prev parent reply other threads:[~2022-09-10 22:28 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-10 22:27 [patch RFC 00/29] printk: A new approach - WIP Thomas Gleixner
2022-09-10 22:27 ` [patch RFC 01/29] printk: Make pr_flush() static Thomas Gleixner
2022-09-14 11:27 ` Sergey Senozhatsky
2022-09-10 22:27 ` [patch RFC 02/29] printk: Declare log_wait properly Thomas Gleixner
2022-09-14 11:29 ` Sergey Senozhatsky
2022-09-10 22:27 ` Thomas Gleixner [this message]
2022-09-14 11:33 ` [patch RFC 03/29] printk: Remove write only variable nr_ext_console_drivers Sergey Senozhatsky
2022-09-10 22:27 ` [patch RFC 04/29] printk: Remove bogus comment vs. boot consoles Thomas Gleixner
2022-09-14 11:40 ` Sergey Senozhatsky
2022-09-10 22:27 ` [patch RFC 05/29] printk: Mark __printk percpu data ready __ro_after_init Thomas Gleixner
2022-09-14 11:41 ` Sergey Senozhatsky
2022-09-10 22:27 ` [patch RFC 06/29] printk: Protect [un]register_console() with a mutex Thomas Gleixner
2022-09-14 12:05 ` Sergey Senozhatsky
2022-09-14 12:31 ` Sergey Senozhatsky
2022-09-19 12:49 ` John Ogness
2022-09-27 9:56 ` Petr Mladek
2022-09-27 15:19 ` Petr Mladek
2022-09-10 22:27 ` [patch RFC 07/29] printk: Convert console list walks for readers to list lock Thomas Gleixner
2022-09-14 12:46 ` Sergey Senozhatsky
2022-09-10 22:27 ` [patch RFC 08/29] parisc: Put console abuse into one place Thomas Gleixner
2022-09-14 14:56 ` Sergey Senozhatsky
2022-09-10 22:27 ` [patch RFC 09/29] serial: kgdboc: Lock consoles in probe function Thomas Gleixner
2022-09-14 14:59 ` Sergey Senozhatsky
2022-09-10 22:27 ` [patch RFC 10/29] kgbd: Pretend that console list walk is safe Thomas Gleixner
2022-09-14 15:03 ` Sergey Senozhatsky
2022-09-10 22:27 ` [patch RFC 11/29] printk: Convert console_drivers list to hlist Thomas Gleixner
2022-09-10 22:27 ` [patch RFC 12/29] printk: Prepare for SCRU console list protection Thomas Gleixner
2022-09-10 22:27 ` [patch RFC 13/29] printk: Move buffer size defines Thomas Gleixner
2022-09-10 22:27 ` [patch RFC 14/29] printk: Document struct console Thomas Gleixner
2022-09-10 22:27 ` [patch RFC 15/29] printk: Add struct cons_text_buf Thomas Gleixner
2022-09-10 22:27 ` [patch RFC 16/29] printk: Use " Thomas Gleixner
2022-09-10 22:27 ` [patch RFC 17/29] printk: Use an output descriptor struct for emit Thomas Gleixner
2022-09-10 22:27 ` [patch RFC 18/29] printk: Handle dropped message smarter Thomas Gleixner
2022-09-10 22:28 ` [patch RFC 19/29] printk: Add basic infrastructure for non-BKL consoles Thomas Gleixner
2022-11-07 15:58 ` functionality: was: " Petr Mladek
2022-11-07 16:10 ` cosmetic: " Petr Mladek
2022-09-10 22:28 ` [patch RFC 20/29] printk: Add non-BKL console acquire/release logic Thomas Gleixner
2022-09-27 13:49 ` John Ogness
2022-09-10 22:28 ` [patch RFC 21/29] printk: Add buffer management for noBKL consoles Thomas Gleixner
2022-09-10 22:28 ` [patch RFC 22/29] printk: Add sequence handling for non-BKL consoles Thomas Gleixner
2022-09-10 22:28 ` [patch RFC 23/29] printk: Add non-BKL console print state functions Thomas Gleixner
2022-09-10 22:28 ` [patch RFC 24/29] printk: Put seq and dropped into cons_text_desc Thomas Gleixner
2022-09-10 22:28 ` [patch RFC 25/29] printk: Provide functions to emit a ringbuffer record on non-BKL consoles Thomas Gleixner
2022-09-10 22:28 ` [patch RFC 26/29] printk: Add threaded printing support Thomas Gleixner
2022-09-10 22:28 ` [patch RFC 27/29] printk: Add write context storage for atomic writes Thomas Gleixner
2022-09-10 22:28 ` [patch RFC 28/29] printk: Provide functions for atomic write enforcement Thomas Gleixner
2022-09-27 13:55 ` John Ogness
2022-09-27 14:40 ` John Ogness
2022-09-27 14:49 ` John Ogness
2022-09-27 15:01 ` John Ogness
2022-09-10 22:28 ` [patch RFC 29/29] printk: Add atomic write enforcement to warn/panic Thomas Gleixner
2022-09-10 22:56 ` [patch RFC 00/29] printk: A new approach - WIP Thomas Gleixner
2022-09-11 9:01 ` Paul E. McKenney
2022-09-11 12:01 ` Linus Torvalds
2022-09-12 16:40 ` printk meeting at LPC 2022 John Ogness
2022-09-15 11:00 ` Sergey Senozhatsky
2022-09-15 11:09 ` Steven Rostedt
2022-09-15 15:25 ` Sergey Senozhatsky
2022-09-23 14:49 ` John Ogness
2022-09-23 15:16 ` Linus Torvalds
2022-09-23 15:20 ` Sebastian Andrzej Siewior
2022-09-23 15:31 ` Steven Rostedt
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