On Mon, Mar 27, 2023 at 02:40:34AM -0700, Yi Liu wrote: > vfio_device_first_open() requires the caller to provide either a valid > iommufd (the group path in iommufd compat mode) or a valid container > (the group path in legacy container mode). As preparation for noiommu > support in device cdev path it's extended to allow both being NULL. The > caller is expected to verify noiommu permission before passing NULL > to this function. > > Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx> > Tested-by: Terrence Xu <terrence.xu@xxxxxxxxx> > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> > --- > drivers/vfio/group.c | 8 ++++++++ > drivers/vfio/vfio.h | 1 + > drivers/vfio/vfio_main.c | 12 ++++++++---- > 3 files changed, 17 insertions(+), 4 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason