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SubjectRe: [PATCH] KVM: s390: pci: VFIO_PCI ZDEV configuration fix
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On 8/17/22 00:15, Matthew Rosato wrote:
> On 8/16/22 4:28 PM, Pierre Morel wrote:
>> Fixing configuration for VFIO PCI interpretation.
>>

> 4)
> CONFIG_KVM=m
> CONFIG_VFIO_PCI_CORE=y
> CONFIG_VFIO_PCI=y
> CONFIG_VFIO_PCI_ZDEV_KVM=m
>
> fails with:
>
> ld: drivers/vfio/pci/vfio_pci_core.o: in function `vfio_pci_core_enable':
> /usr/src/linux/drivers/vfio/pci/vfio_pci_core.c:320: undefined reference to `vfio_pci_zdev_open_device'
> ld: /usr/src/linux/drivers/vfio/pci/vfio_pci_core.c:349: undefined reference to `vfio_pci_zdev_close_device'
> ld: drivers/vfio/pci/vfio_pci_core.o: in function `vfio_pci_core_disable':
> /usr/src/linux/drivers/vfio/pci/vfio_pci_core.c:428: undefined reference to `vfio_pci_zdev_close_device'
> ld: drivers/vfio/pci/vfio_pci_core.o: in function `vfio_pci_core_ioctl':
> /usr/src/linux/drivers/vfio/pci/vfio_pci_core.c:712: undefined reference to `vfio_pci_info_zdev_add_caps'
>
>
> 5)
> CONFIG_KVM=m
> CONFIG_VFIO_PCI_CORE=y
> CONFIG_VFIO_PCI=y
> CONFIG_VFIO_PCI_ZDEV_KVM=y
>
> This forces CONFIG_VFIO_PCI_ZDEV_KVM to 'm' and fails as above.
>
>
>

yes right
I was really too stupid yesterday
I think you are right and you should go as you proposed or use some
pointer hook inside S390 to register with KVM.

--
Pierre Morel
IBM Lab Boeblingen

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