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 6EFD2C433F5 for ; Mon, 31 Jan 2022 15:21:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379355AbiAaPVs (ORCPT ); Mon, 31 Jan 2022 10:21:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241253AbiAaPVr (ORCPT ); Mon, 31 Jan 2022 10:21:47 -0500 Received: from mail-oi1-x236.google.com (mail-oi1-x236.google.com [IPv6:2607:f8b0:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C326EC061714; Mon, 31 Jan 2022 07:21:46 -0800 (PST) Received: by mail-oi1-x236.google.com with SMTP id e81so27254954oia.6; Mon, 31 Jan 2022 07:21:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:message-id:date:mime-version:user-agent:content-language:to :cc:references:from:subject:in-reply-to:content-transfer-encoding; bh=oVZWckNIPsWHeKbXJ2sFvACBl5okPcSAEIsKC6XhxDU=; b=NXQ2vh5WqJcNrwvi+uhxOeXRwL3TuQvr8zI74nXKNlbA4THVcrFQe20l84a2F3rCSl fb+2O3VmewcReatZ19klOskQ2upf6qljRrD6n2B9Y4PhroYWW+XOfsdsfB3MZuirxQ9t X+vPYa1ikH13JYbnSKqVdMeH1jmxa4D6k59/FHZubOFHJbDfNxiaB8VfMIjtaMgLtJV+ 3A2GEeuqlrodVHjFD7y9lvjUf+N31nBGTmFabP1WX1nvXw95IBSd2qgNRGX0BxRvAmns 3J8DZp0qcC/r7rrsLbS0TgQNcR7BR3VDw0NU5D6j9PO9dXHpEDeoVqLmRligf9NcdWA6 MSIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:message-id:date:mime-version:user-agent :content-language:to:cc:references:from:subject:in-reply-to :content-transfer-encoding; bh=oVZWckNIPsWHeKbXJ2sFvACBl5okPcSAEIsKC6XhxDU=; b=KywFr/OqYMsf3qiaElSRqlSWv6PhIuJkZBMaeZcZmCrMnwj09ZfcYxqGtcZ+jVolwZ KlB7ay/40xZ+j8S3irzoABlLB3gcmKr4gNvKvocXi2Wod3WPESxpYfZHJ8de7p88QCxr DrqidW7OpNKBtFJhjdth2pyPrGFKzwWo0mqOeP5hanlcFKmHpoWEjJ/ZSpDt4hLEEhfP R6a/d9heCj46D9wqtCpIj8AGC8RpskMOJp91B2Unpt5xFqa6B0xTpIxhdronb+AOoDEu 5ht0V9CuMBAg+mOWDvkV9Wy0viP80Al/upgtdU5avyipYryyvjlt+i7C2JQirSaoCNgZ t9kg== X-Gm-Message-State: AOAM530Cl83PjeZaRDrEZUBsw/MaSrRs2zOSzgRdmn2ZDhWPsHTdcd49 SRu7+VoFIDWdA/ppoXmtVwM= X-Google-Smtp-Source: ABdhPJwZ2DsfGoZh9WlCulrelJMyxXaQWZM7t1bPVVjVsAMl6JMrpJ5ac6K1xcqWaqkMGtPCEBWrHw== X-Received: by 2002:a05:6808:211f:: with SMTP id r31mr12780920oiw.194.1643642506160; Mon, 31 Jan 2022 07:21:46 -0800 (PST) Received: from ?IPV6:2600:1700:e321:62f0:329c:23ff:fee3:9d7c? ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id d65sm9789045otb.17.2022.01.31.07.21.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 Jan 2022 07:21:44 -0800 (PST) Sender: Guenter Roeck Message-ID: Date: Mon, 31 Jan 2022 07:21:40 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Content-Language: en-US To: Thomas Gleixner Cc: LKML , Nishanth Menon , Mark Rutland , Stuart Yoder , Benjamin Herrenschmidt , Will Deacon , Ashok Raj , Michael Ellerman , Jassi Brar , Sinan Kaya , iommu@lists.linux-foundation.org, Peter Ujfalusi , Bjorn Helgaas , linux-arm-kernel@lists.infradead.org, Jason Gunthorpe , linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org, Kevin Tian , Arnd Bergmann , Robin Murphy , Alex Williamson , Cedric Le Goater , Santosh Shilimkar , Bjorn Helgaas , Megha Dey , Juergen Gross , Tero Kristo , Greg Kroah-Hartman , Vinod Koul , Marc Zygnier , dmaengine@vger.kernel.org, linuxppc-dev@lists.ozlabs.org References: <87mtjc2lhe.ffs@tglx> From: Guenter Roeck Subject: Re: [patch V3 28/35] PCI/MSI: Simplify pci_irq_get_affinity() In-Reply-To: <87mtjc2lhe.ffs@tglx> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/31/22 03:27, Thomas Gleixner wrote: > On Sun, Jan 30 2022 at 09:12, Guenter Roeck wrote: >> On Fri, Dec 10, 2021 at 11:19:26PM +0100, Thomas Gleixner wrote: >> This patch results in the following runtime warning when booting x86 >> (32 bit) nosmp images from NVME in qemu. >> >> [ 14.825482] nvme nvme0: 1/0/0 default/read/poll queues >> ILLOPC: ca7c6d10: 0f 0b >> [ 14.826188] ------------[ cut here ]------------ >> [ 14.826307] WARNING: CPU: 0 PID: 7 at drivers/pci/msi/msi.c:1114 pci_irq_get_affinity+0x80/0x90 > > This complains about msi_desc->affinity being NULL. > >> git bisect bad f48235900182d64537c6e8f8dc0932b57a1a0638 >> # first bad commit: [f48235900182d64537c6e8f8dc0932b57a1a0638] PCI/MSI: Simplify pci_irq_get_affinity() > > Hrm. Can you please provide dmesg and /proc/interrupts from a > kernel before that commit? > Sure. Please see http://server.roeck-us.net/qemu/x86/. The logs are generated with with v5.16.4. Guenter