RE: [PATCH v5 19/20] kconfig: Activate IOMMUFD for s390x machines

[Duan, Zhenzhong]

>-----Original Message-----
>From: Matthew Rosato <mjrosato@linux.ibm.com>
>Sent: Friday, November 10, 2023 7:00 AM
>Subject: Re: [PATCH v5 19/20] kconfig: Activate IOMMUFD for s390x machines
>
>On 11/9/23 6:45 AM, Zhenzhong Duan wrote:
>> From: Cédric Le Goater <clg@redhat.com>
>>
>> Signed-off-by: Cédric Le Goater <clg@redhat.com>
>> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
>> ---
>>  hw/s390x/Kconfig | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/hw/s390x/Kconfig b/hw/s390x/Kconfig
>> index 4c068d7960..26ad104485 100644
>> --- a/hw/s390x/Kconfig
>> +++ b/hw/s390x/Kconfig
>> @@ -6,6 +6,7 @@ config S390_CCW_VIRTIO
>>      imply VFIO_CCW
>>      imply WDT_DIAG288
>>      imply PCIE_DEVICES
>> +    imply IOMMUFD
>>      select PCI_EXPRESS
>>      select S390_FLIC
>>      select S390_FLIC_KVM if KVM
>
>Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
>
>I also ran tests against vfio-pci (mlx, ism, nvme), vfio-ap and vfio-ccw on 
>s390x
>with an iommufd-enabled host kernel + this series.  Testing included having 
>qemu
>open both fds, passing in one fd and letting qemu open the other, and passing 
>in
>both fds.

Thanks Matthew!

BRs.
Zhenzhong