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Tue, 10 Mar 2026 08:31:47 -0700 (PDT) Received: from pathway.suse.cz ([176.114.240.130]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439dadb85b8sm37867138f8f.17.2026.03.10.08.31.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Mar 2026 08:31:46 -0700 (PDT) Date: Tue, 10 Mar 2026 16:31:44 +0100 From: Petr Mladek To: hujinfei <3288824963@qq.com> Cc: linux-doc@vger.kernel.org, senozhatsky@chromium.org, qujingling@huawei.com, zhangjiaji1@huawei.com, xushuangxing@huawei.com, rostedt@goodmis.org, john.ogness@linutronix.de, hujinfei3@huawei.com Subject: Re: [PATCH] Documentation: printk: warn about lockups from excessive use Message-ID: References: Precedence: bulk X-Mailing-List: linux-doc@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: On Thu 2026-03-05 14:41:40, hujinfei wrote: > From: hujinfei > > Add a section 'Avoiding lockups from excessive printk() use' to > printk-basics.rst, explaining the risk of calling printk() in hot paths > with slow consoles and suggesting alternatives like ratelimited printing, > tracepoints, nbcon, and log level filtering. > > Signed-off-by: hujinfei Looks good to me. Reviewed-by: Petr Mladek Best Regards, Petr PS: I am going to wait few more days for a potential feedback and will push it to printk/linux.git if nobody complains.