Re: [PATCH vhost v4 05/15] vdpa: Accept VHOST_BACKEND_F_CHANGEABLE_VQ_STATE_IN_SUSPEND backend feature

[Eugenio Perez Martin]

On Tue, Dec 19, 2023 at 7:09 PM Dragos Tatulea <dtatulea@xxxxxxxxxx> wrote:
>
> If userland sets this feature, allow it.
>
> Signed-off-by: Dragos Tatulea <dtatulea@xxxxxxxxxx>
> Suggested-by: Eugenio Pérez <eperezma@xxxxxxxxxx>

Acked-by: Eugenio Pérez <eperezma@xxxxxxxxxx>

> ---
>  drivers/vhost/vdpa.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index 2250fcd90e5b..b4e8ddf86485 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
> @@ -750,6 +750,7 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep,
>                                  BIT_ULL(VHOST_BACKEND_F_SUSPEND) |
>                                  BIT_ULL(VHOST_BACKEND_F_RESUME) |
>                                  BIT_ULL(VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND) |
> +                                BIT_ULL(VHOST_BACKEND_F_CHANGEABLE_VQ_STATE_IN_SUSPEND) |
>                                  BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK)))
>                         return -EOPNOTSUPP;
>                 if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) &&
> --
> 2.43.0
>