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authorDaniel Vetter <daniel.vetter@ffwll.ch>2015-10-15 09:36:24 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-10-16 15:51:00 +0200
commit4e270f088011c6954034d6c4b5453e5cd7e02c7a (patch)
treea228e6df32e7d88f6742f2680fd2b99436591d73 /drivers/gpu/drm/drm_gem.c
parent70d994704e2c93a3d6be1de0c9f103fc7c186022 (diff)
downloadop-kernel-dev-4e270f088011c6954034d6c4b5453e5cd7e02c7a.zip
op-kernel-dev-4e270f088011c6954034d6c4b5453e5cd7e02c7a.tar.gz
drm/gem: Drop struct_mutex requirement from drm_gem_mmap_obj
Since commit 131e663bd6f1055caaff128f9aa5071d227eeb72 Author: Daniel Vetter <daniel.vetter@ffwll.ch> 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 <dh.herrmann@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
-rw-r--r--drivers/gpu/drm/drm_gem.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 3c2d4ab..7dc4a8a 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;
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