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 665AFC4321E for ; Mon, 16 May 2022 16:09:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245614AbiEPQJa (ORCPT ); Mon, 16 May 2022 12:09:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245658AbiEPQJT (ORCPT ); Mon, 16 May 2022 12:09:19 -0400 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 795EB3B009; Mon, 16 May 2022 09:08:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=GMtpV7L0kGUwGya4swBOPC8ZOVfItfrxYDvgMpAmkJQ=; b=mu0bEGyUCfuWuU1+3MGwpfSVuq s6/6eTwkcMLsn+hqh74arIfl7IvjJUFkkA8WCdLFr55WWGsb4tEiMy/+3c9yyNaTe26kJ467c7Aa+ OVcjrOHxswFanqY90Yd7eenIDB3EwcpTVl3dOD010KynXuUWSiabOa/xgPRFmboMRGQYor+jwG1Cv mj7+eVkhBj2Q43ts9jeuWbjXw4tm3Jz5FqLPOTC5pNe5ykFg2VnMrebedEuX2X8Dc6Z0wdLCGwMFU 8xiaC4NGK1X9iOa8nP8hSMfwLdqMEw0xpnZedCTljeij+zSzzN7p5ST6lBhkCoAPIOrm2lBlmeS/R fNRTCdfQ==; Received: from [177.183.162.244] (helo=[192.168.0.5]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1nqdH5-006sEZ-4a; Mon, 16 May 2022 18:08:47 +0200 Message-ID: Date: Mon, 16 May 2022 13:08:15 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH 22/30] panic: Introduce the panic post-reboot notifier list Content-Language: en-US To: Petr Mladek Cc: akpm@linux-foundation.org, bhe@redhat.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-edac@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-leds@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-pm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, linux-tegra@vger.kernel.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, netdev@vger.kernel.org, openipmi-developer@lists.sourceforge.net, rcu@vger.kernel.org, sparclinux@vger.kernel.org, xen-devel@lists.xenproject.org, x86@kernel.org, kernel-dev@igalia.com, kernel@gpiccoli.net, halves@canonical.com, fabiomirmar@gmail.com, alejandro.j.jimenez@oracle.com, andriy.shevchenko@linux.intel.com, arnd@arndb.de, bp@alien8.de, corbet@lwn.net, d.hatayama@jp.fujitsu.com, dave.hansen@linux.intel.com, dyoung@redhat.com, feng.tang@intel.com, gregkh@linuxfoundation.org, mikelley@microsoft.com, hidehiro.kawai.ez@hitachi.com, jgross@suse.com, john.ogness@linutronix.de, keescook@chromium.org, luto@kernel.org, mhiramat@kernel.org, mingo@redhat.com, paulmck@kernel.org, peterz@infradead.org, rostedt@goodmis.org, senozhatsky@chromium.org, stern@rowland.harvard.edu, tglx@linutronix.de, vgoyal@redhat.com, vkuznets@redhat.com, will@kernel.org, Alexander Gordeev , Christian Borntraeger , "David S. Miller" , Heiko Carstens , Sven Schnelle , Vasily Gorbik References: <20220427224924.592546-1-gpiccoli@igalia.com> <20220427224924.592546-23-gpiccoli@igalia.com> From: "Guilherme G. Piccoli" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org On 16/05/2022 11:45, Petr Mladek wrote: > [...] > > The patch looks good to me. I would just suggest two changes. > > 1. I would rename the list to "panic_loop_list" instead of > "panic_post_reboot_list". > > It will be more clear that it includes things that are > needed before panic() enters the infinite loop. > > > 2. I would move all the notifiers that enable blinking here. > > The blinking should be done only during the infinite > loop when there is nothing else to do. If we enable > earlier then it might disturb/break more important > functionality (dumping information, reboot). > Perfect, I agree with you. I'll change both points in V2 =) 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 56E9AC433F5 for ; Mon, 16 May 2022 21:45:18 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4L2CTm56Wdz3chp for ; Tue, 17 May 2022 07:45:16 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=igalia.com header.i=@igalia.com header.a=rsa-sha256 header.s=20170329 header.b=mu0bEGyU; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=igalia.com (client-ip=178.60.130.6; helo=fanzine2.igalia.com; envelope-from=gpiccoli@igalia.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=igalia.com header.i=@igalia.com header.a=rsa-sha256 header.s=20170329 header.b=mu0bEGyU; dkim-atps=neutral Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4L241n2CRfz2xC3 for ; Tue, 17 May 2022 02:09:01 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=GMtpV7L0kGUwGya4swBOPC8ZOVfItfrxYDvgMpAmkJQ=; b=mu0bEGyUCfuWuU1+3MGwpfSVuq s6/6eTwkcMLsn+hqh74arIfl7IvjJUFkkA8WCdLFr55WWGsb4tEiMy/+3c9yyNaTe26kJ467c7Aa+ OVcjrOHxswFanqY90Yd7eenIDB3EwcpTVl3dOD010KynXuUWSiabOa/xgPRFmboMRGQYor+jwG1Cv mj7+eVkhBj2Q43ts9jeuWbjXw4tm3Jz5FqLPOTC5pNe5ykFg2VnMrebedEuX2X8Dc6Z0wdLCGwMFU 8xiaC4NGK1X9iOa8nP8hSMfwLdqMEw0xpnZedCTljeij+zSzzN7p5ST6lBhkCoAPIOrm2lBlmeS/R fNRTCdfQ==; Received: from [177.183.162.244] (helo=[192.168.0.5]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1nqdH5-006sEZ-4a; Mon, 16 May 2022 18:08:47 +0200 Message-ID: Date: Mon, 16 May 2022 13:08:15 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH 22/30] panic: Introduce the panic post-reboot notifier list Content-Language: en-US To: Petr Mladek References: <20220427224924.592546-1-gpiccoli@igalia.com> <20220427224924.592546-23-gpiccoli@igalia.com> From: "Guilherme G. Piccoli" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Tue, 17 May 2022 07:40:39 +1000 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-hyperv@vger.kernel.org, halves@canonical.com, gregkh@linuxfoundation.org, peterz@infradead.org, alejandro.j.jimenez@oracle.com, linux-remoteproc@vger.kernel.org, feng.tang@intel.com, linux-mips@vger.kernel.org, hidehiro.kawai.ez@hitachi.com, sparclinux@vger.kernel.org, Alexander Gordeev , will@kernel.org, tglx@linutronix.de, linux-leds@vger.kernel.org, linux-s390@vger.kernel.org, mikelley@microsoft.com, john.ogness@linutronix.de, bhe@redhat.com, corbet@lwn.net, paulmck@kernel.org, fabiomirmar@gmail.com, x86@kernel.org, mingo@redhat.com, bcm-kernel-feedback-list@broadcom.com, xen-devel@lists.xenproject.org, Christian Borntraeger , dyoung@redhat.com, vgoyal@redhat.com, Sven Schnelle , Vasily Gorbik , linux-xtensa@linux-xtensa.org, dave.hansen@linux.intel.com, keescook@chromium.org, arnd@arndb.de, linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, rostedt@goodmis.org, rcu@vger.kernel.org, bp@alien8.de, luto@kernel.org, linux-tegra@vger.kernel.org, openipmi-developer@lists.sourceforge.net, andriy.shevchenko@linux.intel.com, vkuznets@redhat.com, linux-edac@vger.kernel.org, jgross@suse.com, linux-parisc@vger.kernel.org, netdev@vger.kernel.org, kernel@gpiccoli.net, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, stern@rowland.harvard.edu, senozhatsky@chromium.org, d.hatayama@jp.fujitsu.com, mhiramat@kernel.org, kernel-dev@igalia.com, linux-alpha@vger.kernel.org, akpm@linux-foundation.org, 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 16/05/2022 11:45, Petr Mladek wrote: > [...] > > The patch looks good to me. I would just suggest two changes. > > 1. I would rename the list to "panic_loop_list" instead of > "panic_post_reboot_list". > > It will be more clear that it includes things that are > needed before panic() enters the infinite loop. > > > 2. I would move all the notifiers that enable blinking here. > > The blinking should be done only during the infinite > loop when there is nothing else to do. If we enable > earlier then it might disturb/break more important > functionality (dumping information, reboot). > Perfect, I agree with you. I'll change both points in V2 =) From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guilherme G. Piccoli Date: Mon, 16 May 2022 13:08:15 -0300 Subject: [PATCH 22/30] panic: Introduce the panic post-reboot notifier list In-Reply-To: References: <20220427224924.592546-1-gpiccoli@igalia.com> <20220427224924.592546-23-gpiccoli@igalia.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kexec@lists.infradead.org On 16/05/2022 11:45, Petr Mladek wrote: > [...] > > The patch looks good to me. I would just suggest two changes. > > 1. I would rename the list to "panic_loop_list" instead of > "panic_post_reboot_list". > > It will be more clear that it includes things that are > needed before panic() enters the infinite loop. > > > 2. I would move all the notifiers that enable blinking here. > > The blinking should be done only during the infinite > loop when there is nothing else to do. If we enable > earlier then it might disturb/break more important > functionality (dumping information, reboot). > Perfect, I agree with you. I'll change both points in V2 =) From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: Date: Mon, 16 May 2022 13:08:15 -0300 MIME-Version: 1.0 Subject: Re: [PATCH 22/30] panic: Introduce the panic post-reboot notifier list Content-Language: en-US References: <20220427224924.592546-1-gpiccoli@igalia.com> <20220427224924.592546-23-gpiccoli@igalia.com> From: "Guilherme G. Piccoli" In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: Petr Mladek Cc: akpm@linux-foundation.org, bhe@redhat.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-edac@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-leds@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-pm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, linux-tegra@vger.kernel.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, netdev@vger.kernel.org, openipmi-developer@lists.sourceforge.net, rcu@vger.kernel.org, sparclinux@vger.kernel.org, xen-devel@lists.xenproject.org, x86@kernel.org, kernel-dev@igalia.com, kernel@gpiccoli.net, halves@canonical.com, fabiomirmar@gmail.com, alejandro.j.jimenez@oracle.com, andriy.shevchenko@linux.intel.com, arnd@arndb.de, bp@alien8.de, corbet@lwn.net, d.hatayama@jp.fujitsu.com, dave.hansen@linux.intel.com, dyoung@redhat.com, feng.tang@intel.com, gregkh@linuxfoundation.org, mikelley@microsoft.com, hidehiro.kawai.ez@hitachi.com, jgross@suse.com, john.ogness@linutronix.de, keescook@chromium.org, luto@kernel.org, mhiramat@kernel.org, mingo@redhat.com, paulmck@kernel.org, peterz@infradead.org, rostedt@goodmis.org, senozhatsky@chromium.org, stern@rowland.harvard.edu, tglx@linutronix.de, vgoyal@redhat.com, vkuznets@redhat.com, will@kernel.org, Alexander Gordeev , Christian Borntraeger , "David S. Miller" , Heiko Carstens , Sven Schnelle , Vasily Gorbik On 16/05/2022 11:45, Petr Mladek wrote: > [...] > > The patch looks good to me. I would just suggest two changes. > > 1. I would rename the list to "panic_loop_list" instead of > "panic_post_reboot_list". > > It will be more clear that it includes things that are > needed before panic() enters the infinite loop. > > > 2. I would move all the notifiers that enable blinking here. > > The blinking should be done only during the infinite > loop when there is nothing else to do. If we enable > earlier then it might disturb/break more important > functionality (dumping information, reboot). > Perfect, I agree with you. I'll change both points in V2 =) _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Guilherme G. Piccoli" Subject: Re: [PATCH 22/30] panic: Introduce the panic post-reboot notifier list Date: Mon, 16 May 2022 13:08:15 -0300 Message-ID: References: <20220427224924.592546-1-gpiccoli@igalia.com> <20220427224924.592546-23-gpiccoli@igalia.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: List-Id: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=GMtpV7L0kGUwGya4swBOPC8ZOVfItfrxYDvgMpAmkJQ=; b=mu0bEGyUCfuWuU1+3MGwpfSVuq s6/6eTwkcMLsn+hqh74arIfl7IvjJUFkkA8WCdLFr55WWGsb4tEiMy/+3c9yyNaTe26kJ467c7Aa+ OVcjrOHxswFanqY90Yd7eenIDB3EwcpTVl3dOD010KynXuUWSiabOa/xgPRFmboMRGQYor+jwG1Cv mj7+eVkhBj2Q43ts9jeuWbjXw4tm3Jz5FqLPOTC5pNe5ykFg2VnMrebedEuX2X8Dc6Z0wdLCGwMFU 8xiaC4NGK1X9iOa8nP8hSMfwLdqMEw0xpnZedCTljeij+zSzzN7p5ST6lBhkCoAPIOrm2lBlmeS/R fNRTCdfQ==; Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset="us-ascii" To: Petr Mladek Cc: akpm@linux-foundation.org, bhe@redhat.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-edac@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-leds@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-pm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, linux-tegra@vger.kernel.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, netdev@vger.kernel.org, openipmi-developer@lists.sourceforge.net, rcu@vger.kernel.org, sparclinux@vger.kernel.org, xen-devel@lists.xenproject.org, x86@kernel.org, kernel-dev@igalia.com, kernel@gpiccoli.net, halves@canonical.com, fabiomirmar@gmail.com, alejandro.j.jimenez@oracle.com, andriy.shevchenko@linux.intel.com, arnd@arndb.de, bp@alien8.de, corbet@lwn.ne On 16/05/2022 11:45, Petr Mladek wrote: > [...] > > The patch looks good to me. I would just suggest two changes. > > 1. I would rename the list to "panic_loop_list" instead of > "panic_post_reboot_list". > > It will be more clear that it includes things that are > needed before panic() enters the infinite loop. > > > 2. I would move all the notifiers that enable blinking here. > > The blinking should be done only during the infinite > loop when there is nothing else to do. If we enable > earlier then it might disturb/break more important > functionality (dumping information, reboot). > Perfect, I agree with you. I'll change both points in V2 =)