Hi Jean-Philippe, On Tue, Apr 09, 2019 at 05:52:38PM +0100, Jean-Philippe Brucker wrote: > This series enables PCI ATS in SMMUv3. Changes since v1 [1]: > > * Simplify the SMMU structures (patches 2-4 are new). > > * Don't enable ATS for devices that are attached to a bypass domain, > because in that case a translation request would cause F_BAD_ATS_TREQ. > Translation requests in that case cause F_BAD_ATS_TREQ. Enable ATS in > attach_dev() rather than add_device(). > > * Enable ATS for stage-1 and stage-2 STEs alike. There is no benefit to > disabling ATS for stage-2 domains. > > [1] https://www.spinics.net/lists/arm-kernel/msg714628.html > > Jean-Philippe Brucker (7): > ACPI/IORT: Check ATS capability in root complex nodes > iommu/arm-smmu-v3: Rename arm_smmu_master_data to arm_smmu_master > iommu/arm-smmu-v3: Store SteamIDs in master > iommu/arm-smmu-v3: Add a master->domain pointer > iommu/arm-smmu-v3: Link domains and devices > iommu/arm-smmu-v3: Add support for PCI ATS > iommu/arm-smmu-v3: Disable tagged pointers Patches 2, 3, 4, 5 and 7 look fine to me. I've left some comments on the other two. Cheers, Will
