[PATCH v7 04/24] iommu: Add IOMMU_DOMAIN_PLATFORM for S390

2023-08-23 Thread Jason Gunthorpe
The PLATFORM domain will be set as the default domain and attached as normal during probe. The driver will ignore the initial attach from a NULL domain to the PLATFORM domain. After this, the PLATFORM domain's attach_dev will be called whenever we detach from an UNMANAGED domain (eg for VFIO). Thi

Re: [PATCH v7 04/24] iommu: Add IOMMU_DOMAIN_PLATFORM for S390

2023-08-25 Thread Jerry Snitselaar
On Wed, Aug 23, 2023 at 01:47:18PM -0300, Jason Gunthorpe wrote: > The PLATFORM domain will be set as the default domain and attached as > normal during probe. The driver will ignore the initial attach from a NULL > domain to the PLATFORM domain. > > After this, the PLATFORM domain's attach_dev wi