[PATCH 05/20] iommu: Add iommu_paging_domain_alloc() interface

Baolu Lu baolu.lu at linux.intel.com
Thu May 30 01:59:03 UTC 2024


On 5/29/24 5:04 PM, Yi Liu wrote:
> On 2024/5/29 13:32, Lu Baolu wrote:
>> Commit <17de3f5fdd35> ("iommu: Retire bus ops") removes iommu ops from
>> bus. The iommu subsystem no longer relies on bus for operations. So the
>> bus parameter in iommu_domain_alloc() is no longer relevant.
>>
>> Add a new interface named iommu_paging_domain_alloc(), which explicitly
>> indicates the allocation of a paging domain for DMA managed by a kernel
>> driver. The new interface takes a device pointer as its parameter, that
>> better aligns with the current iommu subsystem.
> 
> you may want to move this patch before patch 03/04.

Emm, why?

Best regards,
baolu


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