Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64638C433EF for ; Tue, 30 Nov 2021 05:10:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233843AbhK3FN3 (ORCPT ); Tue, 30 Nov 2021 00:13:29 -0500 Received: from mga07.intel.com ([134.134.136.100]:45905 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233404AbhK3FN2 (ORCPT ); Tue, 30 Nov 2021 00:13:28 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10183"; a="299540189" X-IronPort-AV: E=Sophos;i="5.87,275,1631602800"; d="scan'208";a="299540189" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Nov 2021 21:09:54 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,275,1631602800"; d="scan'208";a="609003517" Received: from shbuild999.sh.intel.com (HELO localhost) ([10.239.146.189]) by orsmga004.jf.intel.com with ESMTP; 29 Nov 2021 21:09:51 -0800 Date: Tue, 30 Nov 2021 13:09:51 +0800 From: Feng Tang To: "Guilherme G. Piccoli" Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, akpm@linux-foundation.org, siglesias@igalia.com, kernel@gpiccoli.net Subject: Re: [PATCH 1/3] docs: sysctl/kernel: Add missing bit to panic_print Message-ID: <20211130050951.GA89318@shbuild999.sh.intel.com> References: <20211109202848.610874-1-gpiccoli@igalia.com> <20211109202848.610874-2-gpiccoli@igalia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211109202848.610874-2-gpiccoli@igalia.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 09, 2021 at 05:28:46PM -0300, Guilherme G. Piccoli wrote: > Commit de6da1e8bcf0 ("panic: add an option to replay all the printk message in buffer") > added a new bit to the sysctl/kernel parameter "panic_print", but the > documentation was added only in kernel-parameters.txt, not in the sysctl guide. > > Fix it here by adding bit 5 to sysctl admin-guide documentation. Thanks for the fix! Reviewed-by: Feng Tang - Feng > Cc: Feng Tang > Fixes: de6da1e8bcf0 ("panic: add an option to replay all the printk message in buffer") > Signed-off-by: Guilherme G. Piccoli > --- > Documentation/admin-guide/sysctl/kernel.rst | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst > index 426162009ce9..70b7df9b081a 100644 > --- a/Documentation/admin-guide/sysctl/kernel.rst > +++ b/Documentation/admin-guide/sysctl/kernel.rst > @@ -795,6 +795,7 @@ bit 1 print system memory info > bit 2 print timer info > bit 3 print locks info if ``CONFIG_LOCKDEP`` is on > bit 4 print ftrace buffer > +bit 5: print all printk messages in buffer > ===== ============================================ > > So for example to print tasks and memory info on panic, user can:: > -- > 2.33.1