Re: [PATCH v2 3/5] mm: Add structure to keep sva information

From: Baolu Lu
Date: Wed Aug 30 2023 - 22:45:26 EST


On 2023/8/27 16:43, Tina Zhang wrote:
Introduce iommu_mm_data structure to keep sva information (pasid and the
related sva domains). Add iommu_mm pointer, pointing to an instance of
iommu_mm_data structure, to mm.

Signed-off-by: Tina Zhang<tina.zhang@xxxxxxxxx>
---
include/linux/iommu.h | 5 +++++
include/linux/mm_types.h | 2 ++
2 files changed, 7 insertions(+)

Nit:

iommu also has a per-device private pointer, it's defined as struct
dev_iommu and stored at dev->iommu. Is it valuable to align both?

Best regards,
baolu