> From: Lu Baolu <[email protected]> > Sent: Monday, June 20, 2022 4:17 PM > @@ -2564,7 +2564,7 @@ static int domain_add_dev_info(struct > dmar_domain *domain, struct device *dev) > ret = intel_pasid_setup_second_level(iommu, > domain, > dev, PASID_RID2PASID); > spin_unlock_irqrestore(&iommu->lock, flags); > - if (ret) { > + if (ret && ret != -EBUSY) { > dev_err(dev, "Setup RID2PASID failed\n"); > dmar_remove_one_dev_info(dev); > return ret; > -- > 2.25.1
It's cleaner to avoid this error at the first place, i.e. only do the setup when the first device is attached to the pasid table. _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
