Re-review? WAS [PATCH 2/7] drm/ttm: Remove explicit typecasts of vm_private_data

Thomas Hellstrom thellstrom at vmware.com
Wed Sep 18 13:20:07 UTC 2019


Hi, Christian!

Since I introduced this patch and changed the TTM VM helper patch
enough to motivate removing your R-B, I wonder whether you could do a
quick review on these two and if OK also ack merging through vmwgfx?

Thanks,
Thomas


On Wed, 2019-09-18 at 14:59 +0200, Thomas Hellström (VMware) wrote:
> From: Thomas Hellstrom <thellstrom at vmware.com>
> 
> The explicit typcasts are meaningless, so remove them.
> 
> Suggested-by: Matthew Wilcox <willy at infradead.org>
> Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
> ---
>  drivers/gpu/drm/ttm/ttm_bo_vm.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c
> b/drivers/gpu/drm/ttm/ttm_bo_vm.c
> index 76eedb963693..8963546bf245 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
> @@ -109,8 +109,7 @@ static unsigned long ttm_bo_io_mem_pfn(struct
> ttm_buffer_object *bo,
>  static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
>  {
>  	struct vm_area_struct *vma = vmf->vma;
> -	struct ttm_buffer_object *bo = (struct ttm_buffer_object *)
> -	    vma->vm_private_data;
> +	struct ttm_buffer_object *bo = vma->vm_private_data;
>  	struct ttm_bo_device *bdev = bo->bdev;
>  	unsigned long page_offset;
>  	unsigned long page_last;
> @@ -302,8 +301,7 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault
> *vmf)
>  
>  static void ttm_bo_vm_open(struct vm_area_struct *vma)
>  {
> -	struct ttm_buffer_object *bo =
> -	    (struct ttm_buffer_object *)vma->vm_private_data;
> +	struct ttm_buffer_object *bo = vma->vm_private_data;
>  
>  	WARN_ON(bo->bdev->dev_mapping != vma->vm_file->f_mapping);
>  
> @@ -312,7 +310,7 @@ static void ttm_bo_vm_open(struct vm_area_struct
> *vma)
>  
>  static void ttm_bo_vm_close(struct vm_area_struct *vma)
>  {
> -	struct ttm_buffer_object *bo = (struct ttm_buffer_object *)vma-
> >vm_private_data;
> +	struct ttm_buffer_object *bo = vma->vm_private_data;
>  
>  	ttm_bo_put(bo);
>  	vma->vm_private_data = NULL;


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