> From: Liu, Yi L <yi.l.liu@xxxxxxxxx> > Sent: Thursday, November 24, 2022 8:27 PM > > This prepares for moving group specific code to separate file. > > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> > --- > drivers/vfio/vfio_main.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c > index edcfa8a61096..fcb9f778fc9b 100644 > --- a/drivers/vfio/vfio_main.c > +++ b/drivers/vfio/vfio_main.c > @@ -878,9 +878,6 @@ static struct file *vfio_device_open(struct vfio_device > *device) > */ > filep->f_mode |= (FMODE_PREAD | FMODE_PWRITE); > > - if (device->group->type == VFIO_NO_IOMMU) > - dev_warn(device->dev, "vfio-noiommu device opened by > user " > - "(%s:%d)\n", current->comm, task_pid_nr(current)); > /* > * On success the ref of device is moved to the file and > * put in vfio_device_fops_release() > @@ -927,6 +924,10 @@ static int vfio_group_ioctl_get_device_fd(struct > vfio_group *group, > goto err_put_fdno; > } > > + if (group->type == VFIO_NO_IOMMU) > + dev_warn(device->dev, "vfio-noiommu device opened by > user " > + "(%s:%d)\n", current->comm, task_pid_nr(current)); > + > fd_install(fdno, filep); > return fdno; > Do we want to support no-iommu mode in future cdev path? If yes keeping the check in vfio_device_open() makes more sense. Just replace direct device->group reference with a helper e.g.: vfio_device_group_noiommu()