diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2017-10-20 11:07:02 -0600 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2017-10-28 11:01:39 -0400 |
| commit | 3ceaa1411da4d0d5f3ea89e9ecd03af1b7bcd5eb (patch) | |
| tree | bc85e3abb9e4232be63424be4c010ddcadfb9bc8 /drivers | |
| parent | b1fc2839d2f92d09da90d1e09156a73ddaba8a93 (diff) | |
drm/msm: Removed unused struct_mutex_task
Recent changes to locking have rendered struct_mutex_task
unused.
Unused since 0e08270a1f01.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_submit.c | 2 |
2 files changed, 0 insertions, 8 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 9853e3e58042..c46dc12dbbcc 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -154,12 +154,6 @@ struct msm_drm_private { struct shrinker shrinker; struct msm_vblank_ctrl vblank_ctrl; - - /* task holding struct_mutex.. currently only used in submit path - * to detect and reject faults from copy_from_user() for submit - * ioctl. - */ - struct task_struct *struct_mutex_task; }; struct msm_format { diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index d3551aa130fb..69868682f8f4 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -463,7 +463,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, goto out_unlock; } } - priv->struct_mutex_task = current; submit = submit_create(dev, gpu, queue, args->nr_bos, args->nr_cmds); if (!submit) { @@ -581,7 +580,6 @@ out: out_unlock: if (ret && (out_fence_fd >= 0)) put_unused_fd(out_fence_fd); - priv->struct_mutex_task = NULL; mutex_unlock(&dev->struct_mutex); return ret; } |