On Tue, May 19, 2020 at 07:54:50PM +0200, Jean-Philippe Brucker wrote:
> ARMv8.1 extensions added Virtualization Host Extensions (VHE), which allow
> to run a host kernel at EL2. When using normal DMA, Device and CPU address
> spaces are dissociated, and do not need to implement the same
> capabili
ARMv8.1 extensions added Virtualization Host Extensions (VHE), which allow
to run a host kernel at EL2. When using normal DMA, Device and CPU address
spaces are dissociated, and do not need to implement the same
capabilities, so VHE hasn't been used in the SMMU until now.
With shared address space