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| author | Chris Wilson | 2017-06-20 13:05:47 +0200 |
|---|---|---|
| committer | Chris Wilson | 2017-06-20 18:13:54 +0200 |
| commit | 1acfc104cdf8a3408f0e83b4115d4419c6315005 (patch) | |
| tree | 34bb5200d992f514e11e1482f17466a577931bc0 /drivers/gpu/drm/i915/i915_gem_context.h | |
| parent | drm/i915: Allow contexts to be unreferenced locklessly (diff) | |
| download | kernel-qcow2-linux-1acfc104cdf8a3408f0e83b4115d4419c6315005.tar.gz kernel-qcow2-linux-1acfc104cdf8a3408f0e83b4115d4419c6315005.tar.xz kernel-qcow2-linux-1acfc104cdf8a3408f0e83b4115d4419c6315005.zip | |
drm/i915: Enable rcu-only context lookups
Whilst the contents of the context is still protected by the big
struct_mutex, this is not much of an improvement. It is just one tiny
step towards reducing our BKL.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170620110547.15947-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.h b/drivers/gpu/drm/i915/i915_gem_context.h index 61146f4aa168..04320f80f9f4 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.h +++ b/drivers/gpu/drm/i915/i915_gem_context.h @@ -100,6 +100,11 @@ struct i915_gem_context { struct kref ref; /** + * @rcu: rcu_head for deferred freeing. + */ + struct rcu_head rcu; + + /** * @flags: small set of booleans */ unsigned long flags; |