Re: [PATCH v12 01/15] iommu: Introduce attach/detach_pasid_table API

2020-11-16 Thread kernel test robot
Hi Eric, I love your patch! Perhaps something to improve: [auto build test WARNING on iommu/next] [also build test WARNING on linus/master v5.10-rc4 next-20201116] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as docu

[PATCH v12 01/15] iommu: Introduce attach/detach_pasid_table API

2020-11-16 Thread Eric Auger
In virtualization use case, when a guest is assigned a PCI host device, protected by a virtual IOMMU on the guest, the physical IOMMU must be programmed to be consistent with the guest mappings. If the physical IOMMU supports two translation stages it makes sense to program guest mappings onto the