Re: [PATCH v3 16/19] iommu/amd: Add domain_alloc_user based domain allocation

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On 10/17/2023 8:07 PM, Joao Martins wrote:
> On 17/10/2023 15:14, Joao Martins wrote:
>> On 17/10/2023 14:10, Jason Gunthorpe wrote:
>>> On Tue, Oct 17, 2023 at 10:07:11AM +0100, Joao Martins wrote:
>>>>
>>>>  static struct iommu_domain *do_iommu_domain_alloc(unsigned int type,
>>>> -                                                 struct amd_iommu *iommu,
>>>>                                                   struct device *dev,
>>>>                                                   u32 flags)
>>>>  {
>>>>         struct protection_domain *domain;
>>>> +       struct amd_iommu *iommu = NULL;
>>>> +
>>>> +       if (dev) {
>>>> +               iommu = rlookup_amd_iommu(dev);
>>>> +               if (!iommu)
>>>
>>> This really shouldn't be rlookup_amd_iommu, didn't the series fixing
>>> this get merged?
>>
>> From the latest linux-next, it's still there.
>>
> I'm assuming you refer to this new helper:
> 
> https://lore.kernel.org/linux-iommu/20231013151652.6008-3-vasant.hegde@xxxxxxx/
> 
> But it's part 3 out of a 4-part multi-series; and only the first part has been
> merged.

That's correct. Part 2 parts are merged. For now you can use
rlookup_amd_iommu(). I can fix it later.

-Vasant



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