> From: Lu Baolu
> Sent: Thursday, May 19, 2022 3:21 PM
>
> The current kernel DMA with PASID support is based on the SVA with a flag
> SVM_FLAG_SUPERVISOR_MODE. The IOMMU driver binds the kernel
> memory address
> space to a PASID of the device. The device driver programs the device with
>
On Thu, May 19, 2022 at 03:20:39PM +0800, Lu Baolu wrote:
> The current kernel DMA with PASID support is based on the SVA with a flag
> SVM_FLAG_SUPERVISOR_MODE. The IOMMU driver binds the kernel memory address
> space to a PASID of the device. The device driver programs the device with
> kernel
The current kernel DMA with PASID support is based on the SVA with a flag
SVM_FLAG_SUPERVISOR_MODE. The IOMMU driver binds the kernel memory address
space to a PASID of the device. The device driver programs the device with
kernel virtual address (KVA) for DMA access. There have been security and
