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Fri, 12 Dec 2025 07:32:17 -0800 (PST) Received: from pathway ([176.114.240.130]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42fa8a67800sm13116835f8f.4.2025.12.12.07.32.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Dec 2025 07:32:17 -0800 (PST) Date: Fri, 12 Dec 2025 16:32:15 +0100 From: Petr Mladek To: Chris Down Cc: linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Sergey Senozhatsky , Steven Rostedt , John Ogness , Geert Uytterhoeven , Tony Lindgren , kernel-team@fb.com Subject: Re: [PATCH v8 19/21] printk: docs: Add comprehensive guidance for per-console loglevels Message-ID: References: <23043698a820da6e5a50e7ebaef8f7422d8ff471.1764272407.git.chris@chrisdown.name> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <23043698a820da6e5a50e7ebaef8f7422d8ff471.1764272407.git.chris@chrisdown.name> On Fri 2025-11-28 03:44:29, Chris Down wrote: > The per-console loglevel feature documentation could use some practical > guidance. This commit adds: > > - Examples section covering runtime configuration, effective loglevel > checking, and boot-time configuration > - Common use case demonstrating high-performance netconsole with quiet > serial console fallback > - Performance impact section explaining how per-console loglevels reduce > latency by filtering messages before slow console writes > - Edge cases section documenting behavior with concurrent writes, > console unregistration, and global loglevel changes > > The guidance interleaves advice about many parts of this patchset, so > let's have it in a distinct commit. > > This documentation will help users understand how to effectively use and > debug per-console loglevels. > > Signed-off-by: Chris Down I like this. Thanks for writing so extensive documentation: Reviewed-by: Petr Mladek Best Regards, Petr