Re: [PATCH v5 17/19] vfio: Add VFIO_DEVICE_AT[DE]TACH_IOMMUFD_PT

Jason Gunthorpe
2023-02-28T13:25:39Z

On Tue, Feb 28, 2023 at 01:22:50PM +0000, Liu, Yi L wrote:

> > A null iommufd pointer and a bound df flag is sufficient to see that
> > it is compat mode.
>
> Hope df->is_cdev_device suits your expectation.:-) The code will look
> like below:

Yes, this is better.. However I'd suggest 'uses_container' as it is
clearer what the special case is

Jason