From 8f526e12426e284b7d5d659b6b2e8920fa7c9ed9 Mon Sep 17 00:00:00 2001 From: Ross Zwisler Date: Fri, 24 Feb 2017 14:59:04 -0800 Subject: [PATCH] drm: remove unnecessary fault wrappers 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 commit ca0b07d9a969 ("drm: convert drm from nopage to fault") they are just unnecessary wrappers that do nothing. Remove them, and rename the the drm_do_* fault handlers to remove the "do_" since they no longer have corresponding wrappers. Link: http://lkml.kernel.org/r/1486155698-25717-1-git-send-email-ross.zwisler@linux.intel.com Signed-off-by: Ross Zwisler Reviewed-by: Sean Paul Acked-by: Daniel Vetter Cc: Dave Jiang Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/gpu/drm/drm_vm.c | 30 +++++------------------------- 1 file changed, 5 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index bae6e26038ee..1170b3209a12 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -96,7 +96,7 @@ static pgprot_t drm_dma_prot(uint32_t map_type, struct vm_area_struct *vma) * map, get the page, increment the use count and return it. */ #if IS_ENABLED(CONFIG_AGP) -static int drm_do_vm_fault(struct vm_fault *vmf) +static int drm_vm_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct drm_file *priv = vma->vm_file->private_data; @@ -169,7 +169,7 @@ static int drm_do_vm_fault(struct vm_fault *vmf) return VM_FAULT_SIGBUS; /* Disallow mremap */ } #else -static int drm_do_vm_fault(struct vm_fault *vmf) +static int drm_vm_fault(struct vm_fault *vmf) { return VM_FAULT_SIGBUS; } @@ -185,7 +185,7 @@ static int drm_do_vm_fault(struct vm_fault *vmf) * Get the mapping, find the real physical page to map, get the page, and * return it. */ -static int drm_do_vm_shm_fault(struct vm_fault *vmf) +static int drm_vm_shm_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct drm_local_map *map = vma->vm_private_data; @@ -287,7 +287,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) * * Determine the page number from the page offset and get it from drm_device_dma::pagelist. */ -static int drm_do_vm_dma_fault(struct vm_fault *vmf) +static int drm_vm_dma_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct drm_file *priv = vma->vm_file->private_data; @@ -322,7 +322,7 @@ static int drm_do_vm_dma_fault(struct vm_fault *vmf) * * Determine the map offset from the page offset and get it from drm_sg_mem::pagelist. */ -static int drm_do_vm_sg_fault(struct vm_fault *vmf) +static int drm_vm_sg_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct drm_local_map *map = vma->vm_private_data; @@ -349,26 +349,6 @@ 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,