Re: [patch 14/32] s390/pci: Rework MSI descriptor walk

Thomas Gleixner
2021-11-29T14:28:35Z

Niklas,

On Mon, Nov 29 2021 at 11:31, Niklas Schnelle wrote:
> On Sat, 2021-11-27 at 02:23 +0100, Thomas Gleixner wrote:
>
> while the change looks good to me I ran into some trouble trying to
> test it. I tried with the git repository you linked in the cover
> letter:
> git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git msi-v1-part-3
>
> But with that I get the following linker error on s390:
>
> s390x-11.2.0-ld: drivers/pci/msi/legacy.o: in function `pci_msi_legacy_setup_msi_irqs':
> /home/nschnelle/mainline/drivers/pci/msi/legacy.c:72: undefined reference to `msi_device_populate_sysfs'
> s390x-11.2.0-ld: drivers/pci/msi/legacy.o: in function `pci_msi_legacy_teardown_msi_irqs':
> /home/nschnelle/mainline/drivers/pci/msi/legacy.c:78: undefined reference to `msi_device_destroy_sysfs'
> make: *** [Makefile:1161: vmlinux] Error 1

Yes, that got reported before and I fixed it locally already.

> This is caused by a misspelling of CONFIG_PCI_MSI_ARCH_FALLBACKS
> (missing the final S) in kernel/irq/msi.c. With that fixed everything
> builds and MSI IRQs work fine. So with that fixed you have my
>
> Acked-by: Niklas Schnelle <schnelle@linux.ibm.com>
> Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>

Thanks for testing and dealing with my ineptness.

tglx