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 24F52C433F5 for ; Mon, 31 Jan 2022 11:46:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376631AbiAaLqd (ORCPT ); Mon, 31 Jan 2022 06:46:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379780AbiAaLoO (ORCPT ); Mon, 31 Jan 2022 06:44:14 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80AC5C034003; Mon, 31 Jan 2022 03:27:59 -0800 (PST) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1643628478; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=4vunJSw+29nMhKwarhIq3XOACVtrs68uDOcnGTjBogA=; b=08+adjG5kvqly9R27r6UQqPVlHuuR0wvg7AraR+yb44p1SYXk6tzK2abtw7IGSi2A3wXfI 6U1PBy/jkvuCM3fKrPHG2APL7p9nnSGR9rg89/6St5G9+Iod6wSzgG4//1TPbjInXUs8YN AwxB3zkSRCSMca4ho01kA/XiGI4WDXwyqGA/Q1QoCwvYXEwS/NWbubISSEMuoN2RNNZk6X k+mIQEs2lRbseraKMG1ylwlb9XmMSJiXrB/5Msv2UG1+iYWWGnwuZaVGTtIizxYMk1wpBk 7RxcI8ct1tXsnuKIrqrBOd4gsj7C5lweoLU2Rx7EKaWcOJBL6ltT48oEiUJlEw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1643628478; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=4vunJSw+29nMhKwarhIq3XOACVtrs68uDOcnGTjBogA=; b=F4vMMMS/RR2647UpQl2u4kgknqNjM8y1uiJemITMdVUuEzICexEkSEXuPmcOo4kKXCPGTF 66aXb64gMDoB5SDg== To: Guenter Roeck 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 Subject: Re: [patch V3 28/35] PCI/MSI: Simplify pci_irq_get_affinity() In-Reply-To: <20220130171210.GA3545402@roeck-us.net> Date: Mon, 31 Jan 2022 12:27:57 +0100 Message-ID: <87mtjc2lhe.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org 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? Thanks, tglx