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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 95F02C27C53 for ; Wed, 19 Jun 2024 19:25:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=t8sQTW/KZl0KWgKoDFXZAoBXzS7SksQZx6JSkN4ZZsc=; b=ueZmOBEkumrl2eMrssO/01+yjq Ukj23DB/hrMObcSe1iTYMaXuiJK8cwKh3goFYk2aFwBHD7Qw18DNRq41kwvO1IdXIwyThnRvaAQ5V wsOfam0TxUi9kLP14HBK5kKDwHbjXYQ92oUTPxcaep2O5gkdRUsZTuFjlWjTpXE1ecRtKsGr4EbGH FOhTgH7T8RPNrjgC6YCBCXx9HRF4wME0f5bxww0wwld37WhlSOpeJlkOElzCnL5lbGCKt43S0oknG IcBxVsIp+2pH09p7XdNB2nt/G6kCnx4QMCqEXC+55s4aauN2XZqXfBKbqWH6SG654ZhLGEu6HCNlb VOJ9iSnw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sK0vs-00000002Vzn-18nF; Wed, 19 Jun 2024 19:25:24 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sK0vo-00000002Vyr-3AXf for linux-arm-kernel@lists.infradead.org; Wed, 19 Jun 2024 19:25:22 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id CFD99CE21DD; Wed, 19 Jun 2024 19:25:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11A41C2BBFC; Wed, 19 Jun 2024 19:25:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718825115; bh=fh3eAGO53ifZudDOHmYo5aBrdJLrqsHLTKMaOYOCEig=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=L+tHatkreLFaZE3+KCKXSwys9ki3g35zg/GFQY6g6TsD70lNOnc75nMN85mWCVlXe DyAS8Mfs9HFl68l97lmkZ83sKkE6U78IkAup+BqQFZiiwOZHhZpvANtI0RteRSks// pN/uc4ovVsi+IY6sPl0xxCcb+013psIeyd1zUt+MZ4KJHX9VefZenvTJ1HqXf3YaPY pxczzcw2RftD6CNhIJVB5J2GBxR9emu0exuazNhgmjvfd7aBbgdDNbEpl9yOpt5AuS 6OkRfhh96/GKMXsMc6VoXGz1x7/1U/Qpptonja7e78ZOGlmR2rEKYl7hVKMg3WOPeM nChQ8TWcSGfUw== Date: Wed, 19 Jun 2024 21:25:09 +0200 From: Marek =?UTF-8?B?QmVow7pu?= To: Andrew Lunn Cc: Gregory Clement , Sebastian Hesselbarth , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, arm@kernel.org, Andy Shevchenko , Hans de Goede , Ilpo =?UTF-8?B?SsOkcnZpbmVu?= , Pali =?UTF-8?B?Um9ow6Fy?= Subject: Re: [PATCH 1/4] irqchip/armada-370-xp: Do not allow mapping IRQ 0 and 1 Message-ID: <20240619212509.7008b115@thinkpad> In-Reply-To: <3bff3312-ce49-4f7f-9bcc-7127fa43070b@lunn.ch> References: <20240619141134.30900-1-kabel@kernel.org> <20240619141134.30900-2-kabel@kernel.org> <3bff3312-ce49-4f7f-9bcc-7127fa43070b@lunn.ch> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.41; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240619_122521_007688_76768831 X-CRM114-Status: GOOD ( 16.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 19 Jun 2024 19:08:04 +0200 Andrew Lunn wrote: > On Wed, Jun 19, 2024 at 04:11:31PM +0200, Marek Beh=C3=BAn wrote: > > From: Pali Roh=C3=A1r > >=20 > > IRQs 0 (IPI) and 1 (MSI) are handled internally by this driver, > > generic_handle_domain_irq() is never called for these IRQs. > >=20 > > Disallow mapping these IRQs. > >=20 > > Fixes: 344e873e5657 ("arm: mvebu: Add IPI support via doorbells") > > Fixes: 31f614edb726 ("irqchip: armada-370-xp: implement MSI support") > > Signed-off-by: Pali Roh=C3=A1r > > [ changed commit message, added Fixes tags ] > > Signed-off-by: Marek Beh=C3=BAn =20 >=20 > Is this needed in stable? Is the problem being fixed a real bug that > bothers people? Not as far as I know, but I have been asked to add Fixes tag for less. > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html >=20 > If you would like this back ported in stable, please post it as a > separate patch. Otherwise it can be kept as part of the series. The > Fixes: might result in it being backported anyway. I don't need it backported. Semantically it is a fix, but it doesn't bother anyone. I will post v2 without the Fixes tags. Marek