On Thu, Oct 30, 2025 at 12:43:59PM -0700, Nicolin Chen wrote: > FWIW, I am thinking of another design based on Jason's remarks: > https://lore.kernel.org/linux-iommu/aQBopHFub8wyQh5C@Asurada-Nvidia/ > > So, instead of core initiating the round trip between the blocking > domain and group->domain, it forwards dev_reset_prepare/done to the > driver where it does a low-level attachment that wouldn't fail: > For SMMUv3, it's an STE update. > For intel_iommu, it seems to be the context table update?
Kevin, how bad do you think the UAPI issue is if we ignore it? Jason

