On Tue, Nov 18, 2025 at 01:38:40PM +0800, Baolu Lu wrote: > The VT-d driver enables ATS in the iommu probe_finalize() path (for > scalable mode). .. > iommu_enable_pci_ats() will eventually call pci_enable_ats() after some > necessary checks. Oh, I missed that one. Thanks! Nicolin