On 17/12/15 12:37, Tvrtko Ursulin wrote:

Hi,

On 14/12/15 11:36, Chris Wilson wrote:
When the user closes the context mark it and the dependent address space
as closed. As we use an asynchronous destruct method, this has two
purposes.
First it allows us to flag the closed context and detect internal
errors if
we to create any new objects for it (as it is removed from the user's
namespace, these should be internal bugs only). And secondly, it allows
us to immediately reap stale vma.

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
  drivers/gpu/drm/i915/i915_drv.h         |  4 ++++
  drivers/gpu/drm/i915/i915_gem.c         | 15 ++++++++-----
  drivers/gpu/drm/i915/i915_gem_context.c | 39
+++++++++++++++++++++++++++++----
  drivers/gpu/drm/i915/i915_gem_gtt.c     | 11 +++++++---
  drivers/gpu/drm/i915/i915_gem_gtt.h     |  9 ++++++++
  drivers/gpu/drm/i915/i915_gem_stolen.c  |  2 +-
  6 files changed, 66 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h
b/drivers/gpu/drm/i915/i915_drv.h
index 696469a06715..66ecd6b3df95 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -892,6 +892,8 @@ struct intel_context {
      } engine[I915_NUM_RINGS];

      struct list_head link;
+
+    bool closed:1;
  };

  enum fb_op_origin {
@@ -2720,6 +2722,8 @@ int __must_check i915_vma_unbind(struct i915_vma
*vma);
   * _guarantee_ VMA in question is _not in use_ anywhere.
   */
  int __must_check __i915_vma_unbind_no_wait(struct i915_vma *vma);
+void i915_vma_close(struct i915_vma *vma);
+
  int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
  void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv);
  void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
diff --git a/drivers/gpu/drm/i915/i915_gem.c
b/drivers/gpu/drm/i915/i915_gem.c
index 7c13c27a6470..08ea0b7eda8b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2367,12 +2367,13 @@ i915_gem_object_flush_active(struct
drm_i915_gem_object *obj)
      return 0;
  }

-static void i915_vma_close(struct i915_vma *vma)

Can't find this in this series?

Ooops it is in a different mail folder, I did not sport the break in patch numbers...

Regards,

Tvrtko
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