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 X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A50B1C4361B for ; Tue, 15 Dec 2020 15:40:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 52C1722515 for ; Tue, 15 Dec 2020 15:40:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730195AbgLOPkq (ORCPT ); Tue, 15 Dec 2020 10:40:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53294 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726844AbgLOPkP (ORCPT ); Tue, 15 Dec 2020 10:40:15 -0500 Received: from mail-ot1-x341.google.com (mail-ot1-x341.google.com [IPv6:2607:f8b0:4864:20::341]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B35A8C06179C for ; Tue, 15 Dec 2020 07:39:34 -0800 (PST) Received: by mail-ot1-x341.google.com with SMTP id b24so2249747otj.0 for ; Tue, 15 Dec 2020 07:39:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=CCMZcHb9YzX0hMfzSST+IXmSKcnC7HCoDAqqlcqAUUY=; b=b1UP1oOVHUCYEDcEx3NZHDQ7WvtOxWJtYsuvH8kECvaVBcsYyzIAJc/6fNS5mFQ731 XJwcjET+SgMK0R1g0Ku2ENiWDVGgOlodpzK3F9hKeIZj+qJRWrtZlvkRa/f0LiPMgbMc s+20D50QsBgl0qm27DL+NUr/karY+kuCZaQGHfaYXZEZYjaP2lk2Cwdln1ZPsEPvBPgV hyT637LkDYWbs7oTkCOgK3Z+IWwLwICZMYLJwjxrQG1Sd/T+5t3XDtUHL62q11AP3rDE OAUXz4I43SKr/HuNPGsSldRiIfMJNiZHw0l2Xp6bOa6kXrLmvHN42t8qf7iGrgxKVvtO 80BQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=CCMZcHb9YzX0hMfzSST+IXmSKcnC7HCoDAqqlcqAUUY=; b=ZwkujqiDTr2vbDKhkFmfYy2c8VfmFOAe5v0hNImVZCZMs3Xe/2N/jX3UDqNI8F86hD irso4S0FjrxPjB8F3Hsg9vCZ8zvhozPjBWysk3VAYYFH4s8B5cNhfcQFfMi3bDHUZmb1 AQ9sTteYRcmGZc5kR+TUuFD7EGQF9SxL4TI+7RtBbJUy/9kqDU69/wszCQHN0X2Qdp5S /NoEAZRdHGlVy6D8KmzSqetKVqqQMGGmd5RQsTQpOITgESuNNzx51X/CyNhER95Egy5D W4PDr/BKesQx66J+oosKlsMlfzbhHaJUDed/eMZmJeGXEgcr1QFjtRC8Av5OHVieuMRq Djkg== X-Gm-Message-State: AOAM5330jqedZe1O9cSDXVI7uRVBqJ00iUn7yrNMp8tGAWxaW5w26Ub3 thG2xb6O9o0Xgetw+jMZYTc= X-Google-Smtp-Source: ABdhPJxWt+cvnY0RxudKF3FKgr5ZWz15QnkRLKDLzH03p3jT5pQd8UClgg+dsPH3SibUqcYsyMv05Q== X-Received: by 2002:a9d:a78:: with SMTP id 111mr23355114otg.94.1608046772690; Tue, 15 Dec 2020 07:39:32 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id t3sm4637759oon.14.2020.12.15.07.39.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Dec 2020 07:39:32 -0800 (PST) Sender: Guenter Roeck Subject: Re: [PATCH 3/5] irqchip/bcm2836: Make IPIs use handle_percpu_devid_irq() To: Marc Zyngier Cc: Valentin Schneider , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Andrew Lunn , Lorenzo Pieralisi , Jason Cooper , Scott Branden , Gregory Clement , Florian Fainelli , Ray Jui , Thomas Gleixner , Sebastian Hesselbarth References: <20201109094121.29975-1-valentin.schneider@arm.com> <20201109094121.29975-4-valentin.schneider@arm.com> <20201215002134.GA182208@roeck-us.net> <38f8fbe9ceb7a0adb47e62d62260b297@kernel.org> <1795afb5-a4fd-3a90-99c4-71373476ad65@roeck-us.net> <9007dd8a0d5334141d083b14121ba11c@kernel.org> From: Guenter Roeck Autocrypt: addr=linux@roeck-us.net; keydata= xsFNBE6H1WcBEACu6jIcw5kZ5dGeJ7E7B2uweQR/4FGxH10/H1O1+ApmcQ9i87XdZQiB9cpN RYHA7RCEK2dh6dDccykQk3bC90xXMPg+O3R+C/SkwcnUak1UZaeK/SwQbq/t0tkMzYDRxfJ7 nyFiKxUehbNF3r9qlJgPqONwX5vJy4/GvDHdddSCxV41P/ejsZ8PykxyJs98UWhF54tGRWFl 7i1xvaDB9lN5WTLRKSO7wICuLiSz5WZHXMkyF4d+/O5ll7yz/o/JxK5vO/sduYDIlFTvBZDh gzaEtNf5tQjsjG4io8E0Yq0ViobLkS2RTNZT8ICq/Jmvl0SpbHRvYwa2DhNsK0YjHFQBB0FX IdhdUEzNefcNcYvqigJpdICoP2e4yJSyflHFO4dr0OrdnGLe1Zi/8Xo/2+M1dSSEt196rXaC kwu2KgIgmkRBb3cp2vIBBIIowU8W3qC1+w+RdMUrZxKGWJ3juwcgveJlzMpMZNyM1jobSXZ0 VHGMNJ3MwXlrEFPXaYJgibcg6brM6wGfX/LBvc/haWw4yO24lT5eitm4UBdIy9pKkKmHHh7s jfZJkB5fWKVdoCv/omy6UyH6ykLOPFugl+hVL2Prf8xrXuZe1CMS7ID9Lc8FaL1ROIN/W8Vk BIsJMaWOhks//7d92Uf3EArDlDShwR2+D+AMon8NULuLBHiEUQARAQABzTJHdWVudGVyIFJv ZWNrIChMaW51eCBhY2NvdW50KSA8bGludXhAcm9lY2stdXMubmV0PsLBgQQTAQIAKwIbAwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4ACGQEFAlVcphcFCRmg06EACgkQyx8mb86fmYFg0RAA nzXJzuPkLJaOmSIzPAqqnutACchT/meCOgMEpS5oLf6xn5ySZkl23OxuhpMZTVX+49c9pvBx hpvl5bCWFu5qC1jC2eWRYU+aZZE4sxMaAGeWenQJsiG9lP8wkfCJP3ockNu0ZXXAXwIbY1O1 c+l11zQkZw89zNgWgKobKzrDMBFOYtAh0pAInZ9TSn7oA4Ctejouo5wUugmk8MrDtUVXmEA9 7f9fgKYSwl/H7dfKKsS1bDOpyJlqhEAH94BHJdK/b1tzwJCFAXFhMlmlbYEk8kWjcxQgDWMu GAthQzSuAyhqyZwFcOlMCNbAcTSQawSo3B9yM9mHJne5RrAbVz4TWLnEaX8gA5xK3uCNCeyI sqYuzA4OzcMwnnTASvzsGZoYHTFP3DQwf2nzxD6yBGCfwNGIYfS0i8YN8XcBgEcDFMWpOQhT Pu3HeztMnF3HXrc0t7e5rDW9zCh3k2PA6D2NV4fews9KDFhLlTfCVzf0PS1dRVVWM+4jVl6l HRIAgWp+2/f8dx5vPc4Ycp4IsZN0l1h9uT7qm1KTwz+sSl1zOqKD/BpfGNZfLRRxrXthvvY8 BltcuZ4+PGFTcRkMytUbMDFMF9Cjd2W9dXD35PEtvj8wnEyzIos8bbgtLrGTv/SYhmPpahJA l8hPhYvmAvpOmusUUyB30StsHIU2LLccUPPOwU0ETofVZwEQALlLbQeBDTDbwQYrj0gbx3bq 7kpKABxN2MqeuqGr02DpS9883d/t7ontxasXoEz2GTioevvRmllJlPQERVxM8gQoNg22twF7 pB/zsrIjxkE9heE4wYfN1AyzT+AxgYN6f8hVQ7Nrc9XgZZe+8IkuW/Nf64KzNJXnSH4u6nJM J2+Dt274YoFcXR1nG76Q259mKwzbCukKbd6piL+VsT/qBrLhZe9Ivbjq5WMdkQKnP7gYKCAi pNVJC4enWfivZsYupMd9qn7Uv/oCZDYoBTdMSBUblaLMwlcjnPpOYK5rfHvC4opxl+P/Vzyz 6WC2TLkPtKvYvXmdsI6rnEI4Uucg0Au/Ulg7aqqKhzGPIbVaL+U0Wk82nz6hz+WP2ggTrY1w ZlPlRt8WM9w6WfLf2j+PuGklj37m+KvaOEfLsF1v464dSpy1tQVHhhp8LFTxh/6RWkRIR2uF I4v3Xu/k5D0LhaZHpQ4C+xKsQxpTGuYh2tnRaRL14YMW1dlI3HfeB2gj7Yc8XdHh9vkpPyuT nY/ZsFbnvBtiw7GchKKri2gDhRb2QNNDyBnQn5mRFw7CyuFclAksOdV/sdpQnYlYcRQWOUGY HhQ5eqTRZjm9z+qQe/T0HQpmiPTqQcIaG/edgKVTUjITfA7AJMKLQHgp04Vylb+G6jocnQQX JqvvP09whbqrABEBAAHCwWUEGAECAA8CGwwFAlVcpi8FCRmg08MACgkQyx8mb86fmYHNRQ/+ J0OZsBYP4leJvQF8lx9zif+v4ZY/6C9tTcUv/KNAE5leyrD4IKbnV4PnbrVhjq861it/zRQW cFpWQszZyWRwNPWUUz7ejmm9lAwPbr8xWT4qMSA43VKQ7ZCeTQJ4TC8kjqtcbw41SjkjrcTG wF52zFO4bOWyovVAPncvV9eGA/vtnd3xEZXQiSt91kBSqK28yjxAqK/c3G6i7IX2rg6pzgqh hiH3/1qM2M/LSuqAv0Rwrt/k+pZXE+B4Ud42hwmMr0TfhNxG+X7YKvjKC+SjPjqp0CaztQ0H nsDLSLElVROxCd9m8CAUuHplgmR3seYCOrT4jriMFBtKNPtj2EE4DNV4s7k0Zy+6iRQ8G8ng QjsSqYJx8iAR8JRB7Gm2rQOMv8lSRdjva++GT0VLXtHULdlzg8VjDnFZ3lfz5PWEOeIMk7Rj trjv82EZtrhLuLjHRCaG50OOm0hwPSk1J64R8O3HjSLdertmw7eyAYOo4RuWJguYMg5DRnBk WkRwrSuCn7UG+qVWZeKEsFKFOkynOs3pVbcbq1pxbhk3TRWCGRU5JolI4ohy/7JV1TVbjiDI HP/aVnm6NC8of26P40Pg8EdAhajZnHHjA7FrJXsy3cyIGqvg9os4rNkUWmrCfLLsZDHD8FnU mDW4+i+XlNFUPUYMrIKi9joBhu18ssf5i5Q= Message-ID: Date: Tue, 15 Dec 2020 07:39:30 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <9007dd8a0d5334141d083b14121ba11c@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/15/20 7:26 AM, Marc Zyngier wrote: > On 2020-12-15 15:21, Guenter Roeck wrote: >> Hi Marc, >> >> On 12/15/20 2:19 AM, Marc Zyngier wrote: >>> Hi Gunter, >>> >>> On 2020-12-15 00:21, Guenter Roeck wrote: >>>> On Mon, Nov 09, 2020 at 09:41:19AM +0000, Valentin Schneider wrote: >>>>> As done for the Arm GIC irqchips, move IPIs to handle_percpu_devid_irq() as >>>>> handle_percpu_devid_fasteoi_ipi() isn't actually required. >>>>> >>>>> Signed-off-by: Valentin Schneider >>>> >>>> This patch results in boot failures (silent stall) for the qemu >>>> raspi2 emulation. Unfortunately it can not be reverted because >>>> handle_percpu_devid_fasteoi_ipi no longer exists in next-20201214, >>>> so I don't know if it is the only problem. >>> >>> This is odd. This works just fine for me on both the RPi2 and 3 >>> emulation, running a full Debian userspace. Could this be caused >>> by the version of QEMU you are using? Here's what I have: >>> >>> $ qemu-system-arm --version >>> QEMU emulator version 5.1.0 (Debian 1:5.1+dfsg-4+b1) >>> >> >> I used qemu 5.0 which - up to now - worked fine. Let me try with >> 5.1 and 5.2. Sorry, I should have tried first before bothering you. > > No bother at all. If this works for you on more recent versions of > QEMU, that'd be an interesting data point. I'm also interested in > the result of the patch either way. > It doesn't work for me with qemu 5.1, nor with qemu 5.2. My userspace is generated with buildroot, busybox-based, and very basic. Your patch fixes the problem for me, though, so feel free to add Tested-by: Guenter Roeck if/when you submit it. Thanks, Guenter 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 X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 001C7C4361B for ; Tue, 15 Dec 2020 15:41:10 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 977BA2255F for ; Tue, 15 Dec 2020 15:41:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 977BA2255F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=roeck-us.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=I8WGfQ5cVChCFGwxRqxoevC3MLXZOTD0Yfw+qR4dGUQ=; b=ieQKWVJqqtJKy9JblMSnSxn15 q6EQjZOzDuNspNAFBdHvVjJRLdM+EV4L3aKEP26Rc5RSh3RgMVJKsucQKavmu08batayxdDAGhxJw 1fAhdwTlL0lyvn1+0Fm+Hiz680OsYEHYbTpDDCDUA0LiOFF1S+FPg398x9mbYCF/opqV+Y/BElm+I 8LggsJq+1dMAYfAgN5u0ypX0sb92hny8eHz5NvOWSyaDqZfcw7FNokobClTalYm78n0Zqw/F2UY/W q6xuC238l10KYWpzBy+Xoz/vc4SqI8skOGk5air2g0V3iPoABnSZwvtYo7sBEzE3ssNq1yfqR1vKn sryU/QjAw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kpCQN-00083m-Qs; Tue, 15 Dec 2020 15:39:39 +0000 Received: from mail-ot1-x341.google.com ([2607:f8b0:4864:20::341]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kpCQL-00083K-2R for linux-arm-kernel@lists.infradead.org; Tue, 15 Dec 2020 15:39:37 +0000 Received: by mail-ot1-x341.google.com with SMTP id d20so1790460otl.3 for ; Tue, 15 Dec 2020 07:39:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=CCMZcHb9YzX0hMfzSST+IXmSKcnC7HCoDAqqlcqAUUY=; b=b1UP1oOVHUCYEDcEx3NZHDQ7WvtOxWJtYsuvH8kECvaVBcsYyzIAJc/6fNS5mFQ731 XJwcjET+SgMK0R1g0Ku2ENiWDVGgOlodpzK3F9hKeIZj+qJRWrtZlvkRa/f0LiPMgbMc s+20D50QsBgl0qm27DL+NUr/karY+kuCZaQGHfaYXZEZYjaP2lk2Cwdln1ZPsEPvBPgV hyT637LkDYWbs7oTkCOgK3Z+IWwLwICZMYLJwjxrQG1Sd/T+5t3XDtUHL62q11AP3rDE OAUXz4I43SKr/HuNPGsSldRiIfMJNiZHw0l2Xp6bOa6kXrLmvHN42t8qf7iGrgxKVvtO 80BQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=CCMZcHb9YzX0hMfzSST+IXmSKcnC7HCoDAqqlcqAUUY=; b=QgNduQTUzoNB43OGz2AsBcSqm5QqfqYwmrxXT9D0L/MXQ0LmGNAyqdbg/fLIgbUuNg awxzvpLYH9jCb2Jp1nh0kaTipgijTADPpt5cgWEvmV3SZbcMveWj0JpfE0aXpQfv5ojw FkdcAz8RSaqfVGhgBKyZGlLbYCXRsifxRPPrZfDXI5VgI9K3f38/0VaPQSczhbGyt9qv D32Sk080uUQqhzSfhpMPDJggD1YQmgMKNraskKxndlmKqHGQH7QpC9eAxU6Bx9bf0Ayk acwlBxnQ9NF7B6FUChxJwZMR56xowxcCkm3lAYPIndGb1qmER9HUgksXe2CNnKAKK5iq B39A== X-Gm-Message-State: AOAM530irA6Z7tB8McwzbEv4CZcuat+Gwg6dUxIkkTeItZtCwhpIzFUy EYGKWEOZNkkaEIVjFNxSsAA= X-Google-Smtp-Source: ABdhPJxWt+cvnY0RxudKF3FKgr5ZWz15QnkRLKDLzH03p3jT5pQd8UClgg+dsPH3SibUqcYsyMv05Q== X-Received: by 2002:a9d:a78:: with SMTP id 111mr23355114otg.94.1608046772690; Tue, 15 Dec 2020 07:39:32 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id t3sm4637759oon.14.2020.12.15.07.39.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Dec 2020 07:39:32 -0800 (PST) Subject: Re: [PATCH 3/5] irqchip/bcm2836: Make IPIs use handle_percpu_devid_irq() To: Marc Zyngier References: <20201109094121.29975-1-valentin.schneider@arm.com> <20201109094121.29975-4-valentin.schneider@arm.com> <20201215002134.GA182208@roeck-us.net> <38f8fbe9ceb7a0adb47e62d62260b297@kernel.org> <1795afb5-a4fd-3a90-99c4-71373476ad65@roeck-us.net> <9007dd8a0d5334141d083b14121ba11c@kernel.org> From: Guenter Roeck Autocrypt: addr=linux@roeck-us.net; keydata= xsFNBE6H1WcBEACu6jIcw5kZ5dGeJ7E7B2uweQR/4FGxH10/H1O1+ApmcQ9i87XdZQiB9cpN RYHA7RCEK2dh6dDccykQk3bC90xXMPg+O3R+C/SkwcnUak1UZaeK/SwQbq/t0tkMzYDRxfJ7 nyFiKxUehbNF3r9qlJgPqONwX5vJy4/GvDHdddSCxV41P/ejsZ8PykxyJs98UWhF54tGRWFl 7i1xvaDB9lN5WTLRKSO7wICuLiSz5WZHXMkyF4d+/O5ll7yz/o/JxK5vO/sduYDIlFTvBZDh gzaEtNf5tQjsjG4io8E0Yq0ViobLkS2RTNZT8ICq/Jmvl0SpbHRvYwa2DhNsK0YjHFQBB0FX IdhdUEzNefcNcYvqigJpdICoP2e4yJSyflHFO4dr0OrdnGLe1Zi/8Xo/2+M1dSSEt196rXaC kwu2KgIgmkRBb3cp2vIBBIIowU8W3qC1+w+RdMUrZxKGWJ3juwcgveJlzMpMZNyM1jobSXZ0 VHGMNJ3MwXlrEFPXaYJgibcg6brM6wGfX/LBvc/haWw4yO24lT5eitm4UBdIy9pKkKmHHh7s jfZJkB5fWKVdoCv/omy6UyH6ykLOPFugl+hVL2Prf8xrXuZe1CMS7ID9Lc8FaL1ROIN/W8Vk BIsJMaWOhks//7d92Uf3EArDlDShwR2+D+AMon8NULuLBHiEUQARAQABzTJHdWVudGVyIFJv ZWNrIChMaW51eCBhY2NvdW50KSA8bGludXhAcm9lY2stdXMubmV0PsLBgQQTAQIAKwIbAwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4ACGQEFAlVcphcFCRmg06EACgkQyx8mb86fmYFg0RAA nzXJzuPkLJaOmSIzPAqqnutACchT/meCOgMEpS5oLf6xn5ySZkl23OxuhpMZTVX+49c9pvBx hpvl5bCWFu5qC1jC2eWRYU+aZZE4sxMaAGeWenQJsiG9lP8wkfCJP3ockNu0ZXXAXwIbY1O1 c+l11zQkZw89zNgWgKobKzrDMBFOYtAh0pAInZ9TSn7oA4Ctejouo5wUugmk8MrDtUVXmEA9 7f9fgKYSwl/H7dfKKsS1bDOpyJlqhEAH94BHJdK/b1tzwJCFAXFhMlmlbYEk8kWjcxQgDWMu GAthQzSuAyhqyZwFcOlMCNbAcTSQawSo3B9yM9mHJne5RrAbVz4TWLnEaX8gA5xK3uCNCeyI sqYuzA4OzcMwnnTASvzsGZoYHTFP3DQwf2nzxD6yBGCfwNGIYfS0i8YN8XcBgEcDFMWpOQhT Pu3HeztMnF3HXrc0t7e5rDW9zCh3k2PA6D2NV4fews9KDFhLlTfCVzf0PS1dRVVWM+4jVl6l HRIAgWp+2/f8dx5vPc4Ycp4IsZN0l1h9uT7qm1KTwz+sSl1zOqKD/BpfGNZfLRRxrXthvvY8 BltcuZ4+PGFTcRkMytUbMDFMF9Cjd2W9dXD35PEtvj8wnEyzIos8bbgtLrGTv/SYhmPpahJA l8hPhYvmAvpOmusUUyB30StsHIU2LLccUPPOwU0ETofVZwEQALlLbQeBDTDbwQYrj0gbx3bq 7kpKABxN2MqeuqGr02DpS9883d/t7ontxasXoEz2GTioevvRmllJlPQERVxM8gQoNg22twF7 pB/zsrIjxkE9heE4wYfN1AyzT+AxgYN6f8hVQ7Nrc9XgZZe+8IkuW/Nf64KzNJXnSH4u6nJM J2+Dt274YoFcXR1nG76Q259mKwzbCukKbd6piL+VsT/qBrLhZe9Ivbjq5WMdkQKnP7gYKCAi pNVJC4enWfivZsYupMd9qn7Uv/oCZDYoBTdMSBUblaLMwlcjnPpOYK5rfHvC4opxl+P/Vzyz 6WC2TLkPtKvYvXmdsI6rnEI4Uucg0Au/Ulg7aqqKhzGPIbVaL+U0Wk82nz6hz+WP2ggTrY1w ZlPlRt8WM9w6WfLf2j+PuGklj37m+KvaOEfLsF1v464dSpy1tQVHhhp8LFTxh/6RWkRIR2uF I4v3Xu/k5D0LhaZHpQ4C+xKsQxpTGuYh2tnRaRL14YMW1dlI3HfeB2gj7Yc8XdHh9vkpPyuT nY/ZsFbnvBtiw7GchKKri2gDhRb2QNNDyBnQn5mRFw7CyuFclAksOdV/sdpQnYlYcRQWOUGY HhQ5eqTRZjm9z+qQe/T0HQpmiPTqQcIaG/edgKVTUjITfA7AJMKLQHgp04Vylb+G6jocnQQX JqvvP09whbqrABEBAAHCwWUEGAECAA8CGwwFAlVcpi8FCRmg08MACgkQyx8mb86fmYHNRQ/+ J0OZsBYP4leJvQF8lx9zif+v4ZY/6C9tTcUv/KNAE5leyrD4IKbnV4PnbrVhjq861it/zRQW cFpWQszZyWRwNPWUUz7ejmm9lAwPbr8xWT4qMSA43VKQ7ZCeTQJ4TC8kjqtcbw41SjkjrcTG wF52zFO4bOWyovVAPncvV9eGA/vtnd3xEZXQiSt91kBSqK28yjxAqK/c3G6i7IX2rg6pzgqh hiH3/1qM2M/LSuqAv0Rwrt/k+pZXE+B4Ud42hwmMr0TfhNxG+X7YKvjKC+SjPjqp0CaztQ0H nsDLSLElVROxCd9m8CAUuHplgmR3seYCOrT4jriMFBtKNPtj2EE4DNV4s7k0Zy+6iRQ8G8ng QjsSqYJx8iAR8JRB7Gm2rQOMv8lSRdjva++GT0VLXtHULdlzg8VjDnFZ3lfz5PWEOeIMk7Rj trjv82EZtrhLuLjHRCaG50OOm0hwPSk1J64R8O3HjSLdertmw7eyAYOo4RuWJguYMg5DRnBk WkRwrSuCn7UG+qVWZeKEsFKFOkynOs3pVbcbq1pxbhk3TRWCGRU5JolI4ohy/7JV1TVbjiDI HP/aVnm6NC8of26P40Pg8EdAhajZnHHjA7FrJXsy3cyIGqvg9os4rNkUWmrCfLLsZDHD8FnU mDW4+i+XlNFUPUYMrIKi9joBhu18ssf5i5Q= Message-ID: Date: Tue, 15 Dec 2020 07:39:30 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <9007dd8a0d5334141d083b14121ba11c@kernel.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201215_103937_148649_F40CB2DC X-CRM114-Status: GOOD ( 20.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Lunn , Lorenzo Pieralisi , Jason Cooper , Scott Branden , Ray Jui , Gregory Clement , linux-kernel@vger.kernel.org, Florian Fainelli , Thomas Gleixner , Valentin Schneider , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 12/15/20 7:26 AM, Marc Zyngier wrote: > On 2020-12-15 15:21, Guenter Roeck wrote: >> Hi Marc, >> >> On 12/15/20 2:19 AM, Marc Zyngier wrote: >>> Hi Gunter, >>> >>> On 2020-12-15 00:21, Guenter Roeck wrote: >>>> On Mon, Nov 09, 2020 at 09:41:19AM +0000, Valentin Schneider wrote: >>>>> As done for the Arm GIC irqchips, move IPIs to handle_percpu_devid_irq() as >>>>> handle_percpu_devid_fasteoi_ipi() isn't actually required. >>>>> >>>>> Signed-off-by: Valentin Schneider >>>> >>>> This patch results in boot failures (silent stall) for the qemu >>>> raspi2 emulation. Unfortunately it can not be reverted because >>>> handle_percpu_devid_fasteoi_ipi no longer exists in next-20201214, >>>> so I don't know if it is the only problem. >>> >>> This is odd. This works just fine for me on both the RPi2 and 3 >>> emulation, running a full Debian userspace. Could this be caused >>> by the version of QEMU you are using? Here's what I have: >>> >>> $ qemu-system-arm --version >>> QEMU emulator version 5.1.0 (Debian 1:5.1+dfsg-4+b1) >>> >> >> I used qemu 5.0 which - up to now - worked fine. Let me try with >> 5.1 and 5.2. Sorry, I should have tried first before bothering you. > > No bother at all. If this works for you on more recent versions of > QEMU, that'd be an interesting data point. I'm also interested in > the result of the patch either way. > It doesn't work for me with qemu 5.1, nor with qemu 5.2. My userspace is generated with buildroot, busybox-based, and very basic. Your patch fixes the problem for me, though, so feel free to add Tested-by: Guenter Roeck if/when you submit it. Thanks, Guenter _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel