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SubjectRe: [patch V3 28/35] PCI/MSI: Simplify pci_irq_get_affinity()
Date
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

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