Re: [PATCH V4 05/18] iommu/ioasid: Redefine IOASID set and allocation APIs

From: Jason Gunthorpe
Date: Wed May 05 2021 - 12:45:26 EST

On Wed, May 05, 2021 at 02:28:53PM +1000, Alexey Kardashevskiy wrote:

> This is a good feature in general when let's say there is a linux supported
> device which has a proprietary device firmware update tool which only exists
> as an x86 binary and your hardware is not x86 - running qemu + vfio in full
> emulation would provide a way to run the tool to update a physical device.

That specific use case doesn't really need a vIOMMU though, does it?