From mboxrd@z Thu Jan 1 00:00:00 1970 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 41EB7C4332F for ; Wed, 9 Nov 2022 15:19:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231979AbiKIPT1 (ORCPT ); Wed, 9 Nov 2022 10:19:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52362 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231909AbiKIPTV (ORCPT ); Wed, 9 Nov 2022 10:19:21 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A6B7DFED; Wed, 9 Nov 2022 07:19:20 -0800 (PST) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 4408D1FB17; Wed, 9 Nov 2022 15:19:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1668007159; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=cgyChiqk7ZEmx+8Z7mLC9goJChjnjhwKBrtB4Y9okxI=; b=m+rY4fHp6X4KsfQvWqDUOvz0D6Zh1vVEJ7BO5mAaXQa9mi2jfk5nb3Uik8LOItF7wYNua+ MyucX1awpmkHK8RfybGemKagkAiEiRfdQdB/lMYfvnYuEuk/CS8CYFe7CLYtZC1nIMxkvp vLoXfsBAj0dVE69fOI0/+m8EI1mDBbc= Received: from suse.cz (unknown [10.100.201.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id C2DCE2C141; Wed, 9 Nov 2022 15:19:18 +0000 (UTC) Date: Wed, 9 Nov 2022 16:19:18 +0100 From: Petr Mladek To: John Ogness Cc: Sergey Senozhatsky , Steven Rostedt , Thomas Gleixner , linux-kernel@vger.kernel.org, Jason Wessel , Daniel Thompson , Douglas Anderson , Greg Kroah-Hartman , Jiri Slaby , kgdb-bugreport@lists.sourceforge.net, linux-serial@vger.kernel.org Subject: Re: [PATCH printk v3 12/40] tty: serial: kgdboc: document console_lock usage Message-ID: References: <20221107141638.3790965-1-john.ogness@linutronix.de> <20221107141638.3790965-13-john.ogness@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221107141638.3790965-13-john.ogness@linutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 2022-11-07 15:22:10, John Ogness wrote: > kgdboc_earlycon_init() uses the console_lock to ensure that no consoles > are unregistered until the kgdboc_earlycon is setup. This is necessary > because the trapping of the exit() callback assumes that the exit() > callback is not called before the trap is setup. > > Explicitly document this non-typical console_lock usage. It is great to have the description. > Signed-off-by: John Ogness > Reviewed-by: Greg Kroah-Hartman > Reviewed-by: Douglas Anderson Reviewed-by: Petr Mladek Best Regards, Petr