From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71A7137E5D0; Tue, 14 Jul 2026 21:51:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784065896; cv=none; b=pJ00ciVcQ7/gheGrQ1rFdAaBtRY14hDKMR1vxztcdLFZBywHuGzZv7MSmdeDsZ2dYcwCNHKVnTZKyvn6QKTO7cob0h/npthPpPJsqwBHJhAmfa5MUZVFb7ThAsmaSOcMzMO2HIVMKeaR8hpFzgCFt0NqpzqXtuqKcWePdlls9rg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784065896; c=relaxed/simple; bh=bXaz2qZoLuJcWKSqSMD6L56EptgMfeC1fMDylZ7aMcs=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Y4gcTSQdlYLTGV7Y8X9yKGKDXTb4hQjxBOF/BKX+PbfdUs3i5fauYkPyaUvkxRCNP+3hDhvKmNzjL3fzbWp/NEL1NZHy+Hs5S9/QHFebE8rmrU5OB5EdCQvPBfoJPKWk1bcgcWuLTg+KeyCljuVl1nolGXqvONesh57UhM7JOh8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf01.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 892F3804B0; Tue, 14 Jul 2026 21:51:31 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf01.hostedemail.com (Postfix) with ESMTPA id A1A506000C; Tue, 14 Jul 2026 21:51:27 +0000 (UTC) Date: Tue, 14 Jul 2026 17:51:31 -0400 From: Steven Rostedt To: Andrew Murray Cc: Petr Mladek , John Ogness , Sergey Senozhatsky , Jonathan Corbet , Shuah Khan , Russell King , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Andrew Morton , Greg Kroah-Hartman , Sebastian Andrzej Siewior , Clark Williams , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-rt-devel@lists.linux.dev Subject: Re: [PATCH v3 6/6] Documentation/kernel-parameters: add/update printk_delay/boot_delay Message-ID: <20260714175131.1edfc880@gandalf.local.home> In-Reply-To: <20260712-printkcleanup-v3-6-574547b8f71b@thegoodpenguin.co.uk> References: <20260712-printkcleanup-v3-0-574547b8f71b@thegoodpenguin.co.uk> <20260712-printkcleanup-v3-6-574547b8f71b@thegoodpenguin.co.uk> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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-Transfer-Encoding: 7bit X-Stat-Signature: 7zy31kt8rbwtcxpe5riua91mpmyq316o X-Rspamd-Server: rspamout02 X-Rspamd-Queue-Id: A1A506000C X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18CNmWd2YhLXQvEn1XaHEtwP0wzcKYWfXE= X-HE-Tag: 1784065887-653010 X-HE-Meta: U2FsdGVkX18t0ruRrD4DDDo0OZ1UA5N76Mf6Lk9oRwOylkSPIbsZWq73qoTz/bkApRB0oxXicLVMDXuK/ZC8dSH77knGTVCpJAZxUxtyvEH/UImu4r3aD8mxRcA5JsRDxTK2N0nO/Q3xgVVpTuV+t1StncIDm3pwv3kYfoeMs8Jg0EJem2UEWPdzi9oJndMRunIH/kS0lPHLDnjK39PoWXSlEiQYG7RJMAz69lnU0kl6Sb7Keuvboe2QUYC4iTAc0pSUneUfPyg9zXOkZ7TN5xPibPrdNOnPExVT/RiRYqicpYieJo2Af3W1FtfKy6YFNnYkT1kxOd8XliV8F5iK8P87+FxnmpA29LqdXki/3Q9gI9m/b6mxPiufh8MKnRsU On Sun, 12 Jul 2026 11:20:37 +0100 Andrew Murray wrote: > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 2884103b93bca7b76cd3a93946276074cf62d0a1..1118feda87b1b04543b1da0bd52c090b1fddaeac 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -650,11 +650,19 @@ Kernel parameters > See Documentation/block/cmdline-partition.rst > > boot_delay= [KNL,EARLY] > - Milliseconds to delay each printk during boot. > - Only works if GENERIC_CALIBRATE_DELAY is enabled, > - and you may also have to specify "lpj=". Boot_delay > - values larger than 10 seconds (10000) are assumed > - erroneous and ignored. > + Milliseconds to delay each printk during and post boot. > + Boot time delays only work if GENERIC_CALIBRATE_DELAY > + is enabled. > + > + Once booted the delay can be removed or adjusted via > + the printk_delay sysctl. > + > + Please note that you may also have to specify "lpj=". > + Boot_delay values larger than 10 seconds (10000) are > + assumed erroneous and ignored. > + > + This will soon be deprecated, please use printk_delay > + instead. > Format: integer > > bootconfig [KNL,EARLY] > @@ -5468,6 +5476,19 @@ Kernel parameters > printk.time= Show timing data prefixed to each printk message line > Format: (1/Y/y=enable, 0/N/n=disable) > > + printk_delay= [KNL,EARLY] > + Milliseconds to delay each printk during and post boot. > + Boot time delays only work if GENERIC_CALIBRATE_DELAY > + is enabled. > + > + Once booted the delay can be removed or adjusted via > + the printk_delay sysctl. > + > + Please note that you may also have to specify "lpj=". > + printk_delay values larger than 10 seconds (10000) are > + assumed erroneous and ignored. > + Format: integer > + The two parameters descriptions are identical. They should show something different. Is it just that the "boot_delay" name is getting deprecated? -- Steve