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From: Petr Mladek <pmladek@suse.com>
To: Chris Down <chris@chrisdown.name>
Cc: John Ogness <john.ogness@linutronix.de>,
	Sergey Senozhatsky <senozhatsky@chromium.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Marcos Paulo de Souza <mpdesouza@suse.com>,
	Naveen Kumar Chaudhary <naveen.osdev@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 01/16] printk: Rename struct console_cmdline to preferred_console
Date: Tue, 3 Nov 2026 16:16:19 +0100	[thread overview]
Message-ID: <aun6w-F0Upzkz2hd@pathway.suse.cz> (raw)
In-Reply-To: <auLvy8826MGpqeMI@chrisdown.name>

On Thu 2026-10-29 15:03:39, Chris Down wrote:
> Petr Mladek writes:
> >The structure 'console_cmdline' was originally intended to store details
> >about consoles defined on the kernel command line. However, its usage
> >has since expanded; it now stores information for consoles preferred
> >via SPCR, device tree, or by particular platforms, e.g. XEN.
> 
> >@@ -362,9 +362,9 @@ static int console_locked;
> >  *	Array of consoles built from command line options (console=)
> 
> This comment still says "Array of consoles built from command line options 
> (console=)", which is exactly what the rename is meant to stop implying (as in, 
> the array also holds SPCR, DT, etc). Could be updated in this patch if you 
> respin.

Great catch! I am going to do the following change in v6:

--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -359,11 +359,10 @@ static void __up_console_sem(unsigned long ip)
 static int console_locked;
 
 /*
- *	Array of consoles built from command line options (console=)
+ * Array of consoles preferred via the command line, or by
+ * some platform-specific code, e.g. SPCR, or DT.
  */
-
 #define MAX_PREFERRED_CONSOLES 8
-
 static struct preferred_console preferred_consoles[MAX_PREFERRED_CONSOLES];
 
 static int preferred_console = -1;

Best Regards,
Petr

  reply	other threads:[~2026-11-03 15:16 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-29 12:05 [PATCH v5 00/16] printk: Clean up preferred console handling Petr Mladek
2026-09-29 12:05 ` [PATCH v5 01/16] printk: Rename struct console_cmdline to preferred_console Petr Mladek
2026-10-29  7:03   ` Chris Down
2026-11-03 15:16     ` Petr Mladek [this message]
2026-09-29 12:05 ` [PATCH v5 02/16] printk: Rename preferred_console to preferred_dev_console Petr Mladek
2026-09-29 12:05 ` [PATCH v5 03/16] printk: Cleanup _braille_(un)register_console() wrappers Petr Mladek
2026-09-29 12:05 ` [PATCH v5 04/16] printk: Separate code for adding/updating preferred console metadata Petr Mladek
2026-10-27 12:05   ` John Ogness
2026-11-03 15:57     ` Petr Mladek
2026-10-29  7:05   ` Chris Down
2026-11-03 16:12     ` Petr Mladek
2026-09-29 12:05 ` [PATCH v5 05/16] printk: Prefer the console either via name or devname exclusively Petr Mladek
2026-10-27 12:14   ` John Ogness
2026-10-29  7:06   ` Chris Down
2026-09-29 12:05 ` [PATCH v5 06/16] printk: Check that index is not defined when a console is preferred via devname Petr Mladek
2026-10-27 18:08   ` John Ogness
2026-10-29  7:07   ` Chris Down
2026-09-29 12:05 ` [PATCH v5 07/16] printk: Ensure consistent name and devname when updating preferred console Petr Mladek
2026-10-29  7:09   ` Chris Down
2026-11-03 17:08     ` Petr Mladek
2026-09-29 12:05 ` [PATCH v5 08/16] printk: Do not quietly ignore adding entry for a preferred console when there is no space Petr Mladek
2026-10-29  7:10   ` Chris Down
2026-10-29 16:23   ` John Ogness
2026-09-29 12:05 ` [PATCH v5 09/16] printk: Allow to override options via the command line Petr Mladek
2026-10-29  7:13   ` Chris Down
2026-10-30 17:04     ` John Ogness
2026-11-04 12:55     ` Petr Mladek
2026-09-29 12:05 ` [PATCH v5 10/16] printk: Allow to debug misuse of add_or_update_preferred_console() Petr Mladek
2026-10-29  7:13   ` Chris Down
2026-09-29 12:05 ` [PATCH v5 11/16] console/braille: Lock console->setup() call during the registration Petr Mladek
2026-10-29  7:15   ` Chris Down
2026-11-04 14:21     ` Petr Mladek
2026-09-29 12:05 ` [PATCH v5 12/16] printk: Separate code for enabling console Petr Mladek
2026-10-29  7:15   ` Chris Down
2026-09-29 12:05 ` [PATCH v5 13/16] printk: Try to register each console as Braille first Petr Mladek
2026-10-29  7:17   ` Chris Down
2026-11-05 17:13     ` Petr Mladek
2026-11-06 11:33   ` Petr Mladek
2026-09-29 12:05 ` [PATCH v5 14/16] printk: Do not set Braille console as preferred_console Petr Mladek
2026-10-29  7:19   ` Chris Down
2026-11-06 14:21     ` Petr Mladek
2026-09-29 12:05 ` [PATCH v5 15/16] printk: Modify try_enable_default_console() to return error/success Petr Mladek
2026-10-29  7:20   ` Chris Down
2026-09-29 12:05 ` [PATCH v5 16/16] printk: Try enable preferred consoles only when there are any Petr Mladek
2026-10-29  7:20   ` Chris Down

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