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SubjectRe: [PATCH] drm: remove unnecessary fault wrappers
On Mon, Jan 30, 2017 at 12:20:02PM -0700, Ross Zwisler wrote:
> The fault wrappers drm_vm_fault(), drm_vm_shm_fault(), drm_vm_dma_fault()
> and drm_vm_sg_fault() used to provide extra logic beyond what was in the
> "drm_do_*" versions of these functions, but as of this commit:
>
> commit ca0b07d9a969 ("drm: convert drm from nopage to fault.")
>
> They are just unnecessary wrappers that do nothing. Remove them.

Can we rename the drm_do_* functions to remove "do_" instead? I don't think it
adds anything and this seems like a good time to fix that.

Sean

>
> Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
> ---
> drivers/gpu/drm/drm_vm.c | 28 ++++------------------------
> 1 file changed, 4 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
> index bae6e26..e677b11 100644
> --- a/drivers/gpu/drm/drm_vm.c
> +++ b/drivers/gpu/drm/drm_vm.c
> @@ -349,50 +349,30 @@ static int drm_do_vm_sg_fault(struct vm_fault *vmf)
> return 0;
> }
>
> -static int drm_vm_fault(struct vm_fault *vmf)
> -{
> - return drm_do_vm_fault(vmf);
> -}
> -
> -static int drm_vm_shm_fault(struct vm_fault *vmf)
> -{
> - return drm_do_vm_shm_fault(vmf);
> -}
> -
> -static int drm_vm_dma_fault(struct vm_fault *vmf)
> -{
> - return drm_do_vm_dma_fault(vmf);
> -}
> -
> -static int drm_vm_sg_fault(struct vm_fault *vmf)
> -{
> - return drm_do_vm_sg_fault(vmf);
> -}
> -
> /** AGP virtual memory operations */
> static const struct vm_operations_struct drm_vm_ops = {
> - .fault = drm_vm_fault,
> + .fault = drm_do_vm_fault,
> .open = drm_vm_open,
> .close = drm_vm_close,
> };
>
> /** Shared virtual memory operations */
> static const struct vm_operations_struct drm_vm_shm_ops = {
> - .fault = drm_vm_shm_fault,
> + .fault = drm_do_vm_shm_fault,
> .open = drm_vm_open,
> .close = drm_vm_shm_close,
> };
>
> /** DMA virtual memory operations */
> static const struct vm_operations_struct drm_vm_dma_ops = {
> - .fault = drm_vm_dma_fault,
> + .fault = drm_do_vm_dma_fault,
> .open = drm_vm_open,
> .close = drm_vm_close,
> };
>
> /** Scatter-gather virtual memory operations */
> static const struct vm_operations_struct drm_vm_sg_ops = {
> - .fault = drm_vm_sg_fault,
> + .fault = drm_do_vm_sg_fault,
> .open = drm_vm_open,
> .close = drm_vm_close,
> };
> --
> 2.7.4

--
Sean Paul, Software Engineer, Google / Chromium OS

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