Re: [PATCH] sample/vfio-mdev: Change return type to vm_fault_t

From: Alex Williamson
Date: Thu Jul 05 2018 - 15:44:38 EST


On Wed, 4 Jul 2018 21:00:14 +0530
Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:

> convert mbochs_region_vm_fault and mbochs_dmabuf_vm_fault
> to return vm_fault_t type.
>
> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
> ---
> samples/vfio-mdev/mbochs.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c
> index 2960e26..7743fbc 100644
> --- a/samples/vfio-mdev/mbochs.c
> +++ b/samples/vfio-mdev/mbochs.c
> @@ -657,7 +657,7 @@ static void mbochs_put_pages(struct mdev_state *mdev_state)
> dev_dbg(dev, "%s: %d pages released\n", __func__, count);
> }
>
> -static int mbochs_region_vm_fault(struct vm_fault *vmf)
> +static vm_fault_t mbochs_region_vm_fault(struct vm_fault *vmf)
> {
> struct vm_area_struct *vma = vmf->vma;
> struct mdev_state *mdev_state = vma->vm_private_data;
> @@ -695,7 +695,7 @@ static int mbochs_mmap(struct mdev_device *mdev, struct vm_area_struct *vma)
> return 0;
> }
>
> -static int mbochs_dmabuf_vm_fault(struct vm_fault *vmf)
> +static vm_fault_t mbochs_dmabuf_vm_fault(struct vm_fault *vmf)
> {
> struct vm_area_struct *vma = vmf->vma;
> struct mbochs_dmabuf *dmabuf = vma->vm_private_data;


Looks good to me, I'll include this in my vfio for-linus branch for
v4.18. Thanks,

Alex