On Tue, Jan 03, 2023 at 10:45:24AM +0800, Baolu Lu wrote:> Thanks for the patch! It seems that we also need to call> iommu_group_do_dma_first_attach() in the iommu_probe_device() path?Yes> By the way, I'd like to put above code in a separated patch of the next> version, can I add your signed-off-by?YesJason