From 4e270f088011c6954034d6c4b5453e5cd7e02c7a Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Thu, 15 Oct 2015 09:36:24 +0200 Subject: drm/gem: Drop struct_mutex requirement from drm_gem_mmap_obj Since commit 131e663bd6f1055caaff128f9aa5071d227eeb72 Author: Daniel Vetter Date: Thu Jul 9 23:32:33 2015 +0200 drm/gem: rip out drm vma accounting for gem mmaps there is no need for this any more. v2: Fixup compile noise spotted by 0-day build. Link: http://mid.gmane.org/1444894601-5200-9-git-send-email-daniel.vetter@ffwll.ch Reviewed-by: David Herrmann Signed-off-by: Daniel Vetter --- drivers/gpu/drm/drm_gem.c | 4 ---- 1 file changed, 4 deletions(-) (limited to 'drivers/gpu/drm/drm_gem.c') diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 3c2d4abd71c5..7dc4a8a066a3 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -810,8 +810,6 @@ EXPORT_SYMBOL(drm_gem_vm_close); * drm_gem_mmap() prevents unprivileged users from mapping random objects. So * callers must verify access restrictions before calling this helper. * - * NOTE: This function has to be protected with dev->struct_mutex - * * Return 0 or success or -EINVAL if the object size is smaller than the VMA * size, or if no gem_vm_ops are provided. */ @@ -820,8 +818,6 @@ int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size, { struct drm_device *dev = obj->dev; - lockdep_assert_held(&dev->struct_mutex); - /* Check for valid size. */ if (obj_size < vma->vm_end - vma->vm_start) return -EINVAL; -- cgit v1.2.3