On Thu, Jan 25, 2024 at 07:33:45PM +0800, Baolu Lu wrote: > > check. Is the drop intended? and if so, should we just get rid of > > IOMMU_PAGE_RESP_PASID_VALID? > > In my opinion, we should keep this hardware detail in the individual > driver. When the page fault handling framework in IOMMU and IOMMUFD > subsystems includes a valid PASID in the fault message, the response > message should also contain the *same* PASID value. Individual drivers > should be responsible for deciding whether to include the PASID in the > messages they provide for the hardware. +1 Jason
