From: Petr Mladek <pmladek@suse.com>
To: Chris Down <chris@chrisdown.name>
Cc: linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Steven Rostedt <rostedt@goodmis.org>,
John Ogness <john.ogness@linutronix.de>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Tony Lindgren <tony.lindgren@linux.intel.com>,
kernel-team@fb.com
Subject: Re: [PATCH v7 10/13] printk: Add sysctl interface to set global loglevels
Date: Fri, 21 Nov 2025 15:23:18 +0100 [thread overview]
Message-ID: <aSB11usZYie2wI8d@pathway.suse.cz> (raw)
In-Reply-To: <95295969cda8464d95339b2a7ecaefe1d865f8d8.1763492585.git.chris@chrisdown.name>
On Wed 2025-11-19 03:07:46, Chris Down wrote:
> Introduce two new sysctl interfaces for configuring global loglevels:
>
> - kernel.console_loglevel: Sets the global console loglevel, determining
> the minimum priority of messages printed to consoles. Messages with a
> loglevel lower than this value will be printed.
> - kernel.default_message_loglevel: Sets the default loglevel for
> messages that do not specify an explicit loglevel.
>
> The kernel.printk sysctl was previously used to set multiple loglevel
> parameters simultaneously, but it was confusing and lacked proper
> validation. By introducing these dedicated sysctl interfaces, we provide
> a clearer and more granular way to configure the loglevels.
>
> Signed-off-by: Petr Mladek <pmladek@suse.com>
> Signed-off-by: Chris Down <chris@chrisdown.name>
Looks good and works well:
Reviewed-by: Petr Mladek <pmladek@suse.com>
Tested-by: Petr Mladek <pmladek@suse.com>
Best Regards,
Petr
next prev parent reply other threads:[~2025-11-21 14:23 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-18 19:06 [PATCH v7 00/13] printk: console: Per-console loglevels Chris Down
2025-11-18 19:06 ` [PATCH v7 01/13] printk: Avoid delaying messages that aren't solicited by any console Chris Down
2025-11-18 19:33 ` Chris Down
2025-11-19 15:46 ` Petr Mladek
2025-11-18 19:06 ` [PATCH v7 02/13] printk: Use effective loglevel for suppression and extended console state Chris Down
2025-11-18 19:07 ` [PATCH v7 03/13] printk: console: Implement core per-console loglevel infrastructure Chris Down
2025-11-18 19:34 ` Chris Down
2025-11-19 16:49 ` Petr Mladek
2025-11-18 19:07 ` [PATCH v7 04/13] printk: Ignore per-console loglevel in sysrq Chris Down
2025-11-19 16:51 ` Petr Mladek
2025-11-18 19:07 ` [PATCH v7 05/13] printk: Add synchronisation for concurrent console state changes Chris Down
2025-11-19 16:58 ` Petr Mladek
2025-11-18 19:07 ` [PATCH v7 06/13] printk: Support toggling per-console loglevel via syslog() and cmdline Chris Down
2025-11-20 10:05 ` Petr Mladek
2025-11-18 19:07 ` [PATCH v7 07/13] printk: console: Introduce sysfs interface for per-console loglevels Chris Down
2025-11-20 16:50 ` Petr Mladek
2025-11-21 11:38 ` Petr Mladek
2025-11-18 19:07 ` [PATCH v7 08/13] printk: Constrain hardware-addressed console checks to name position Chris Down
2025-11-18 19:07 ` [PATCH v7 09/13] printk: Support setting initial console loglevel via console= on cmdline Chris Down
2025-11-21 14:05 ` Petr Mladek
2025-11-18 19:07 ` [PATCH v7 10/13] printk: Add sysctl interface to set global loglevels Chris Down
2025-11-21 14:23 ` Petr Mladek [this message]
2025-11-18 19:08 ` [PATCH v7 11/13] printk: docs: Add comprehensive guidance for per-console loglevels Chris Down
2025-11-21 15:52 ` Petr Mladek
2025-11-23 21:21 ` John Ogness
2025-11-18 19:08 ` [PATCH v7 12/13] printk: Deprecate the kernel.printk sysctl interface Chris Down
2025-11-18 19:08 ` [PATCH v7 13/13] printk: Purge default_console_loglevel Chris Down
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