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[2620:137:e000::1:20]) by mx.google.com with ESMTP id xf3-20020a17090731c300b007ae5ccae236si3744683ejb.90.2022.12.16.11.40.24; Fri, 16 Dec 2022 11:40:41 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=QkHJzd0I; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231829AbiLPTX5 (ORCPT + 69 others); Fri, 16 Dec 2022 14:23:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231894AbiLPTXt (ORCPT ); Fri, 16 Dec 2022 14:23:49 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C13E269AAA; Fri, 16 Dec 2022 11:23:41 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 25E4BB81D39; Fri, 16 Dec 2022 19:23:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF656C433F0; Fri, 16 Dec 2022 19:23:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1671218618; bh=RPZWOujzbVli+s2nnJG3PDWi5GirhZ9Tw3d2IZ7eLoE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=QkHJzd0IsYNmHWeuBGtkI1PkTMHrqzI7rRjkeDPHOhL/boNqResRwHT9klKqKVh93 Glr9LC1z/zR7RayrZg1zUGRhfGZmfjz+/ph+2PxDgSArxEkh1LK90yEpl/yRHmrnBO 5qspcefNGfp7N/6RvX5Sunzq/tNsAdbgdUJf/8rBd8GtRqL5/om39yjPued8M+lUfn zpfx4enWByJBPxUnYscIva+JvVODNiu6e7lMyhHG5Kwq4AAtJOkDKCtOU8BH7zRd+M bu9t6FaAW6DN6Vvp+6yXGQjPbXq2nYY9RubBo72rN81uvjFlWKjJQ4MYVp+4uPdA5n uM14NnUoVv0VA== Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1p6GIy-00D998-Kf; Fri, 16 Dec 2022 19:23:36 +0000 MIME-Version: 1.0 Date: Fri, 16 Dec 2022 19:23:36 +0000 From: Marc Zyngier To: Sean Anderson Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, tglx@linutronix.de Subject: Re: [irqchip: irq/irqchip-next] irqchip/ls-extirq: Fix endianness detection In-Reply-To: <3c8c4cf8-9987-31d6-a19c-c18d9f41c7c1@seco.com> References: <20221201212807.616191-1-sean.anderson@seco.com> <167023926482.4906.17012979311813913704.tip-bot2@tip-bot2> <8e8bfa5e-f713-4590-95db-66ed6454881b@seco.com> <9a7ef68d94e7d0ca879b9f55f7634df5@kernel.org> <3c8c4cf8-9987-31d6-a19c-c18d9f41c7c1@seco.com> User-Agent: Roundcube Webmail/1.4.13 Message-ID: <1fd422cf6f379e03949362721ad623f2@kernel.org> X-Sender: maz@kernel.org Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: sean.anderson@seco.com, linux-kernel@vger.kernel.org, stable@vger.kernel.org, tglx@linutronix.de X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-12-16 19:11, Sean Anderson wrote: > On 12/16/22 13:22, Marc Zyngier wrote: >> On 2022-12-16 16:37, Sean Anderson wrote: >>> Hi Stable maintainers, >>> >>> On 12/5/22 06:21, irqchip-bot for Sean Anderson wrote: >>>> The following commit has been merged into the irq/irqchip-next >>>> branch of irqchip: >>>> >>>> Commit-ID:     3ae977d0e4e3a2a2ccc912ca2d20c9430508ecdd >>>> Gitweb:        >>>> https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/3ae977d0e4e3a2a2ccc912ca2d20c9430508ecdd >>>> Author:        Sean Anderson >>>> AuthorDate:    Thu, 01 Dec 2022 16:28:07 -05:00 >>>> Committer:     Marc Zyngier >>>> CommitterDate: Mon, 05 Dec 2022 10:39:52 >>>> >>>> irqchip/ls-extirq: Fix endianness detection >>>> >>>> parent is the interrupt parent, not the parent of node. Use >>>> node->parent. This fixes endianness detection on big-endian >>>> platforms. >>>> >>>> Fixes: 1b00adce8afd ("irqchip/ls-extirq: Fix invalid wait context by >>>> avoiding to use regmap") >>>> Signed-off-by: Sean Anderson >>>> Signed-off-by: Marc Zyngier >>>> Link: >>>> https://lore.kernel.org/r/20221201212807.616191-1-sean.anderson@seco.com >>>> --- >>>>  drivers/irqchip/irq-ls-extirq.c | 2 +- >>>>  1 file changed, 1 insertion(+), 1 deletion(-) >>>> >>>> diff --git a/drivers/irqchip/irq-ls-extirq.c >>>> b/drivers/irqchip/irq-ls-extirq.c >>>> index d8d48b1..139f26b 100644 >>>> --- a/drivers/irqchip/irq-ls-extirq.c >>>> +++ b/drivers/irqchip/irq-ls-extirq.c >>>> @@ -203,7 +203,7 @@ ls_extirq_of_init(struct device_node *node, >>>> struct device_node *parent) >>>>         if (ret) >>>>                 goto err_parse_map; >>>> >>>> -       priv->big_endian = of_device_is_big_endian(parent); >>>> +       priv->big_endian = of_device_is_big_endian(node->parent); >>>>         priv->is_ls1021a_or_ls1043a = of_device_is_compatible(node, >>>> "fsl,ls1021a-extirq") || >>>>                                       of_device_is_compatible(node, >>>> "fsl,ls1043a-extirq"); >>>>         raw_spin_lock_init(&priv->lock); >>> >>> This patch has made it into linux/master, but it should also get >>> backported to 6.1. Just want to make sure this doesn't fall through >>> the >>> cracks, since this was a really annoying bug to deal with (causes an >>> IRQ >>> storm). >> >> If you wanted it backported, why didn't it have a Cc: stable >> the first place? In any case, if you want a backport to happen, >> you'll have to post that backport. > > Usually, anything with a Fixes: tag gets picked up. And I actively object to this for the subsystems I maintain, so no, this isn't automatic. > Actually, I was > expecting you to submit a PR for 6.1, since this was submitted before > that release came out. Expectations are better stated rather than being implicit. > That said, this email is "option 2" of > Documentation/process/stable-kernel-rules.rst, so I don't think I need > to do "option 3". Here's to hope! M. -- Jazz is not dead. It just smells funny...