# Re: \[PATCH 15/17\] iommu: remove DOMAIN\_ATTR\_NESTING

- From: Auger Eric \<eric.auger@redhat.com\>
- Date: 2021-03-15 07:53:14 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/03/8286037
- Thread: https://ratatoskr.run/kvm/2021/03/8285616/t.md

```text
Hi Christoph,

On 3/14/21 4:58 PM, Christoph Hellwig wrote:
> On Sun, Mar 14, 2021 at 11:44:52AM +0100, Auger Eric wrote:
>> As mentionned by Robin, there are series planning to use
>> DOMAIN_ATTR_NESTING to get info about the nested caps of the iommu (ARM
>> and Intel):
>>
>> [Patch v8 00/10] vfio: expose virtual Shared Virtual Addressing to VMs
>> patches 1, 2, 3
>>
>> Is the plan to introduce a new domain_get_nesting_info ops then?
> 
> The plan as usual would be to add it the series adding that support.
> Not sure what the merge plans are - if the series is ready to be
> merged I could rebase on top of it, otherwise that series will need
> to add the method.
OK I think your series may be upstreamed first.

Thanks

Eric
> 


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