[Intel-gfx] [PATCH v14 17/26] vfio: Move device_del() before waiting for the last vfio_device registration refcount

[Jason Gunthorpe]

On Mon, Jul 10, 2023 at 07:59:19PM -0700, Yi Liu wrote:
> device_del() destroys the vfio-dev/vfioX under the sysfs for vfio_device.
> There is no reason to keep it while the device is going to be unregistered.
> 
> This movement is also a preparation for adding vfio_device cdev. Kernel
> should remove the cdev node of the vfio_device to avoid new registration
> refcount increment while the device is going to be unregistered.
> 
> Signed-off-by: Yi Liu <yi.l.liu at intel.com>
> ---
>  drivers/vfio/vfio_main.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason