iommu/amd/iommu.c

2600 	struct protection_domain *pdomain = to_pdomain(domain);
2608 	spin_lock_irqsave(&pdomain->lock, flags);
2609 	if (!(pdomain->dirty_tracking ^ enable)) {
2610 		spin_unlock_irqrestore(&pdomain->lock, flags);
2614 	list_for_each_entry(dev_data, &pdomain->dev_list, list) {
2631 		amd_iommu_domain_flush_all(pdomain);
2633 	pdomain->dirty_tracking = enable;
2634 	spin_unlock_irqrestore(&pdomain->lock, flags);
2644 	struct protection_domain *pdomain = to_pdomain(domain);
2645 	struct io_pgtable_ops *ops = &pdomain->iop.iop.ops;
2651 	spin_lock_irqsave(&pdomain->lock, lflags);
2652 	if (!pdomain->dirty_tracking && dirty->bitmap) {
2653 		spin_unlock_irqrestore(&pdomain->lock, lflags);
2656 	spin_unlock_irqrestore(&pdomain->lock, lflags);