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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 51536C433FE for ; Fri, 18 Nov 2022 11:24:08 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4NDDvB2Hwtz3f2r for ; Fri, 18 Nov 2022 22:24:06 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=suse.com header.i=@suse.com header.a=rsa-sha256 header.s=susede1 header.b=Mqsids9j; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=suse.com (client-ip=195.135.220.28; helo=smtp-out1.suse.de; envelope-from=pmladek@suse.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=suse.com header.i=@suse.com header.a=rsa-sha256 header.s=susede1 header.b=Mqsids9j; dkim-atps=neutral Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4NDDt71ngVz3bhl for ; Fri, 18 Nov 2022 22:23:11 +1100 (AEDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 24094224B6; Fri, 18 Nov 2022 11:22:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1668770578; 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=8+Mt338auMAPyZ6wHbrxbwJ1oWL2/y5Lq8MjJbkctG8=; b=Mqsids9jdixeoyQ3eEblSjOT6qn2nKBBxnXO4YIV6MczkJIueBfOWf5IH+Qgu5GEThrRT6 hSgJwbIBgcAARZnSZqZlRalEkqp3F27xcCibtgAVfz9XkwKNyhdLPpWTxITfMMyrMmaYir bQTfFlUi5/jqo+/cVb1R0youfVPvkVY= 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 871B52C141; Fri, 18 Nov 2022 11:22:56 +0000 (UTC) Date: Fri, 18 Nov 2022 12:22:56 +0100 From: Petr Mladek To: John Ogness Subject: Re: [PATCH printk v5 00/40] reduce console_lock scope Message-ID: References: <20221116162152.193147-1-john.ogness@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221116162152.193147-1-john.ogness@linutronix.de> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, linux-efi@vger.kernel.org, Geert Uytterhoeven , Peter Zijlstra , kgdb-bugreport@lists.sourceforge.net, dri-devel@lists.freedesktop.org, Douglas Anderson , Eric Dumazet , netdev@vger.kernel.org, Alim Akhtar , Jiri Slaby , Ard Biesheuvel , Anton Ivanov , Daniel Thompson , linux-samsung-soc@vger.kernel.org, Tom Rix , Richard Weinberger , Helge Deller , Krzysztof Kozlowski , Geert Uytterhoeven , linux-serial@vger.kernel.org, Aaron Tomlin , Miguel Ojeda , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Paolo Abeni , Michal Simek , linux-um@lists. infradead.org, Steven Rostedt , linux-m68k@lists.linux-m68k.org, Jakub Kicinski , Thomas Gleixner , Andy Shevchenko , linux-arm-kernel@lists.infradead.org, Juergen Gross , Mathias Nyman , Boris Ostrovsky , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky , Luis Chamberlain , Lukas Wunner , Thomas Zimmermann , Jason Wessel , linux-fsdevel@vger.kernel.org, Javier Martinez Canillas , Johannes Berg , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed 2022-11-16 17:27:12, John Ogness wrote: > This is v5 of a series to prepare for threaded/atomic > printing. v4 is here [0]. This series focuses on reducing the > scope of the BKL console_lock. It achieves this by switching to > SRCU and a dedicated mutex for console list iteration and > modification, respectively. The console_lock will no longer > offer this protection. The patchset looks ready for linux-next from my POV. I am going to push it there right now to get as much testing as possible before the merge window. Any review and comments are still appreciate. We could always take it back if some critical problems are discovered and can't be solved easily. Best Regards, Petr