Subject: Re: [PATCH kernel 0/3] powerpc/iommu: Add iommu_ops to report capabilities and allow blocking domains

From: Michael Ellerman <[email-masked]>
Date: Fri, 02 Sep 2022 17:33:30 +1000

Jason Gunthorpe <[email-masked]> writes:
> On Thu, Jul 14, 2022 at 06:18:19PM +1000, Alexey Kardashevskiy wrote:
>> Here is another take on iommu_ops on POWER to make VFIO work
>> again on POWERPC64.
>> 
>> The tree with all prerequisites is here:
>> https://github.com/aik/linux/tree/kvm-fixes-wip
>> 
>> The previous discussion is here:
>> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/[email-masked]/
>> https://patchwork.ozlabs.org/project/kvm-ppc/patch/[email-masked]/
>> 
>> Please comment. Thanks.
>>
>> 
>> 
>> Alexey Kardashevskiy (3):
>>   powerpc/iommu: Add "borrowing" iommu_table_group_ops
>>   powerpc/pci_64: Init pcibios subsys a bit later
>>   powerpc/iommu: Add iommu_ops to report capabilities and allow blocking
>>     domains
>
> It has been a little while - and I think this series is still badly
> needed by powerpc, right?

Your comments on patch 3 left me with the impression it needed a respin,
but maybe I misread that.

Alexey's reply that it needed testing also made me think it wasn't
ready to pick up.

cheers