Re: [PATCH v2 1/1] iommu: Allow attaching static domains in iommu_attach_device_pasid()

23 Apr 2025


      On Wed, Apr 23, 2025 at 10:18:39AM +0800, Lu Baolu wrote:
...
@@ -3435,7 +3448,8 @@ int iommu_attach_device_pasid(struct iommu_domain *domain,
       !ops->blocked_domain->ops->set_dev_pasid)
   	return -EOPNOTSUPP;

if (ops != domain->owner || pasid == IOMMU_NO_PASID)


if (!domain_iommu_ops_compatible(ops, domain) ||
   pasid == IOMMU_NO_PASID)

return -EINVAL;

Convert all the places checking domain->owner to the new function..
static int __iommu_attach_group(struct iommu_domain *domain,
    			struct iommu_group *group)
int iommu_replace_device_pasid(struct iommu_domain *domain,
    		       struct device *dev, ioasid_t pasid,
    		       struct iommu_attach_handle *handle)
Jason

    