On Fri, Aug 26, 2022 at 08:11:35PM +0800, Lu Baolu wrote: > The ARM SMMUv3 hardwares support blocking DMA transactions by clearing > the translation table entries. This implements a real blocking domain > to avoid using an empty UNMANAGED domain. > > Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> > Tested-by: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx> > --- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) IMHO I'd send this separately since it optimizes VFIO today Looks OK though Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
