On Wed, Sep 24, 2025 at 04:52:54PM -0300, Jason Gunthorpe wrote: > On Wed, Sep 24, 2025 at 12:49:14PM -0700, Nicolin Chen wrote: > > > I really wanted to say this should just always return the > > > default_domain, but it looks like host1x_client_iommu_detach() is the > > > only place outside the iommu drivers that would be unhappy with that. > > > > I suppose any external user that allocates/attaches a domain has a > > risk of potentially using this helper, in which case group->domain > > may not be default_domain? > > Yes, host1x seemed to be the only place that had that intersection.
I meant, we cannot prevent others from calling it like host1x does? Even if we have those replacement APIs that we discussed last time, such a driver might still want its own domain v.s. default_domain, for pgsize or other use? Thanks Nicolin
