Re: [PATCH v5 4/7] iommu/vt-d: Use pci_real_dma_dev() for mapping

Lu Baolu
2020-01-22T04:39:08Z

On 1/21/20 9:37 PM, Jon Derrick wrote:
> The PCI device may have a DMA requester on another bus, such as VMD
> subdevices needing to use the VMD endpoint. This case requires the real
> DMA device when mapping to IOMMU.
>
> Signed-off-by: Jon Derrick<jonathan.derrick@intel.com>

Acked-by: Lu Baolu <baolu.lu@linux.intel.com>

Thanks,
baolu