Re: [Intel-gfx] [PATCH v4 03/19] vfio: Accept vfio device file in the driver facing kAPI

[Liu, Yi L]

> From: Tian, Kevin <kevin.t...@intel.com>
> Sent: Wednesday, February 22, 2023 3:16 PM
> 
> > From: Liu, Yi L <yi.l....@intel.com>
> > Sent: Tuesday, February 21, 2023 11:48 AM
> >
> >  /**
> >   * vfio_file_is_valid - True if the file is valid vfio file
> >   * @file: VFIO group file or VFIO device file
> >   */
> >  bool vfio_file_is_valid(struct file *file)
> >  {
> > -   return vfio_group_from_file(file);
> > +   return vfio_group_from_file(file) ||
> > +          vfio_device_from_file(file);
> >  }
> >  EXPORT_SYMBOL_GPL(vfio_file_is_valid);
> 
> Following previous Alex's comment I'd leave pci hot reset path
> to continue calling vfio_file_is_group() at this point so the uAPI
> semantics is not changed here before patch 9 comes to properly
> handle device fd in that path.

Done.