Re: [PATCH v2 04/25] iommu: Add IOMMU_DOMAIN_PLATFORM for S390

2023-06-01 Thread Jason Gunthorpe
On Thu, Jun 01, 2023 at 07:25:32PM +0100, Robin Murphy wrote: > On 2023-05-16 01:00, 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. >

Re: [PATCH v2 04/25] iommu: Add IOMMU_DOMAIN_PLATFORM for S390

2023-06-01 Thread Robin Murphy
On 2023-05-16 01:00, 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 will be called whenever we

[PATCH v2 04/25] iommu: Add IOMMU_DOMAIN_PLATFORM for S390

2023-05-15 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).