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Mon, 31 Jan 2022 11:28:02 +0000 (UTC) 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 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 Cc: Nishanth Menon , Mark Rutland , Stuart Yoder , linux-pci@vger.kernel.org, Will Deacon , Peter Ujfalusi , Ashok Raj , Michael Ellerman , Jassi Brar , Sinan Kaya , Vinod Koul , Bjorn Helgaas , Megha Dey , Jason Gunthorpe , Benjamin Herrenschmidt , xen-devel@lists.xenproject.org, Kevin Tian , Arnd Bergmann , linuxppc-dev@lists.ozlabs.org, Alex Williamson , Cedric Le Goater , Santosh Shilimkar , Bjorn Helgaas , linux-arm-kernel@lists.infradead.org, Juergen Gross , Tero Kristo , Greg Kroah-Hartman , LKML , iommu@lists.linux-foundation.org, Marc Zygnier , dmaengine@vger.kernel.org, Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu